{"id":3120,"date":"2026-05-15T11:10:04","date_gmt":"2026-05-15T03:10:04","guid":{"rendered":"https:\/\/tigweldingaluminum.com\/?post_type=cxb_products&p=3120"},"modified":"2026-07-21T14:05:05","modified_gmt":"2026-07-21T06:05:05","slug":"pipe-with-flange","status":"publish","type":"cxb_products","link":"https:\/\/tigweldingaluminum.com\/ja\/products\/pipe-with-flange\/","title":{"rendered":"\u30d5\u30e9\u30f3\u30b8\u4ed8\u304d\u30d1\u30a4\u30d7\u6eb6\u63a5\u30b5\u30fc\u30d3\u30b9 304 \u30b9\u30c6\u30f3\u30ec\u30b9 \u81ea\u52d5\u8eca\u30b7\u30b9\u30c6\u30e0\u7528"},"content":{"rendered":"

Why Professional Pipe with Flange Welding Defines Auto Exhaust Performance\uff1f
\u306a\u305c\u30d7\u30ed\u30d5\u30a7\u30c3\u30b7\u30e7\u30ca\u30eb\u306a\u30d5\u30e9\u30f3\u30b8\u4ed8\u304d\u30d1\u30a4\u30d7\u6eb6\u63a5\u304c\u81ea\u52d5\u8eca\u6392\u6c17\u6027\u80fd\u3092\u6c7a\u5b9a\u3065\u3051\u308b\u306e\u304b\uff1f<\/h2>\n\n\n\n

Many exhaust system leaks occur not at the muffler or catalytic converter but at the flange connection where the pipe meets another component. A poorly fabricated pipe with flange creates uneven sealing surfaces, misaligned bolt holes, or insufficient weld penetration. These defects are often invisible until the engine runs and exhaust gases escape. Over time, thermal cycling causes gasket failure and annoying noise.
\u591a\u304f\u306e\u6392\u6c17\u30b7\u30b9\u30c6\u30e0\u306e\u6f0f\u308c\u306f\u3001\u30de\u30d5\u30e9\u30fc\u3084\u89e6\u5a92\u30b3\u30f3\u30d0\u30fc\u30bf\u30fc\u3067\u306f\u306a\u304f\u3001\u30d1\u30a4\u30d7\u304c\u5225\u306e\u90e8\u54c1\u3068\u63a5\u3059\u308b\u30d5\u30e9\u30f3\u30b8\u63a5\u7d9a\u90e8\u3067\u767a\u751f\u3057\u307e\u3059\u3002\u7c97\u60aa\u306b\u88fd\u9020\u3055\u308c\u305f\u30d5\u30e9\u30f3\u30b8\u4ed8\u304d\u30d1\u30a4\u30d7\u306f\u3001\u4e0d\u5747\u4e00\u306a\u30b7\u30fc\u30eb\u9762\u3001\u30dc\u30eb\u30c8\u7a74\u306e\u4f4d\u7f6e\u305a\u308c\u3001\u307e\u305f\u306f\u4e0d\u5341\u5206\u306a\u6eb6\u3051\u8fbc\u307f\u6eb6\u63a5\u3092\u5f15\u304d\u8d77\u3053\u3057\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u6b20\u9665\u306f\u3001\u30a8\u30f3\u30b8\u30f3\u304c\u4f5c\u52d5\u3057\u3066\u6392\u6c17\u30ac\u30b9\u304c\u6f0f\u308c\u308b\u307e\u3067\u898b\u3048\u306a\u3044\u3053\u3068\u304c\u3088\u304f\u3042\u308a\u307e\u3059\u3002\u6642\u9593\u306e\u7d4c\u904e\u3068\u3068\u3082\u306b\u3001\u71b1\u30b5\u30a4\u30af\u30eb\u306b\u3088\u308a\u30ac\u30b9\u30b1\u30c3\u30c8\u304c\u6545\u969c\u3057\u3001\u4e0d\u5feb\u306a\u9a12\u97f3\u304c\u767a\u751f\u3057\u307e\u3059\u3002.<\/p>\n\n\n\n

A properly welded pipe with flange produces a leak free seal that maintains clamping force through thousands of heating and cooling cycles. The stainless steel base material resists corrosion from condensation and road salts. Our welding process ensures the flange face remains flat and true, preventing the warping that plagues lower quality components. Additionally, this component type is the most service friendly method of connecting exhaust sections. Unlike band clamps that crush pipe ends or slip joints that eventually seize, a flanged connection allows repeated disassembly for maintenance.
\u9069\u5207\u306b\u6eb6\u63a5\u3055\u308c\u305f\u30d5\u30e9\u30f3\u30b8\u4ed8\u304d\u30d1\u30a4\u30d7\u306f\u3001\u4f55\u5343\u3082\u306e\u52a0\u71b1\u3068\u51b7\u5374\u30b5\u30a4\u30af\u30eb\u3092\u901a\u3058\u3066\u30af\u30e9\u30f3\u30d7\u529b\u3092\u7dad\u6301\u3059\u308b\u6f0f\u308c\u306e\u306a\u3044\u30b7\u30fc\u30eb\u3092\u751f\u6210\u3057\u307e\u3059\u3002\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306e\u6bcd\u6750\u306f\u3001\u7d50\u9732\u3084\u9053\u8def\u5869\u306b\u3088\u308b\u8150\u98df\u306b\u8010\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u5f53\u793e\u306e\u6eb6\u63a5\u30d7\u30ed\u30bb\u30b9\u306b\u3088\u308a\u3001\u30d5\u30e9\u30f3\u30b8\u9762\u304c\u5e73\u5766\u3067\u771f\u76f4\u3050\u306b\u4fdd\u305f\u308c\u3001\u4f4e\u54c1\u8cea\u306e\u90e8\u54c1\u306b\u898b\u3089\u308c\u308b\u53cd\u308a\u3092\u9632\u304e\u307e\u3059\u3002\u3055\u3089\u306b\u3001\u3053\u306e\u90e8\u54c1\u30bf\u30a4\u30d7\u306f\u3001\u6392\u6c17\u30bb\u30af\u30b7\u30e7\u30f3\u3092\u63a5\u7d9a\u3059\u308b\u6700\u3082\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u3057\u3084\u3059\u3044\u65b9\u6cd5\u3067\u3059\u3002\u30d1\u30a4\u30d7\u7aef\u3092\u6f70\u3059\u30d0\u30f3\u30c9\u30af\u30e9\u30f3\u30d7\u3084\u3001\u6700\u7d42\u7684\u306b\u56fa\u7740\u3059\u308b\u30b9\u30ea\u30c3\u30d7\u30b8\u30e7\u30a4\u30f3\u30c8\u3068\u306f\u7570\u306a\u308a\u3001\u30d5\u30e9\u30f3\u30b8\u63a5\u7d9a\u306f\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u306e\u305f\u3081\u306b\u7e70\u308a\u8fd4\u3057\u5206\u89e3\u3067\u304d\u307e\u3059\u3002.<\/p>\n\n\n\n

Our shop has invested in CNC flange machining and GTAW welding stations to produce each pipe with flange with consistent quality. Automated welding reduces variability and ensures squareness between the pipe axis and flange face. For production runs of 50 pieces or more, we recommend robotic welding for best results.
\u5f53\u793e\u306e\u5de5\u5834\u306f\u3001CNC\u30d5\u30e9\u30f3\u30b8\u52a0\u5de5\u3068GTAW\u6eb6\u63a5\u30b9\u30c6\u30fc\u30b7\u30e7\u30f3\u306b\u6295\u8cc7\u3057\u3001\u4e00\u8cab\u3057\u305f\u54c1\u8cea\u3067\u5404\u30d5\u30e9\u30f3\u30b8\u4ed8\u304d\u30d1\u30a4\u30d7\u3092\u88fd\u9020\u3057\u3066\u3044\u307e\u3059\u3002\u81ea\u52d5\u6eb6\u63a5\u306b\u3088\u308a\u3070\u3089\u3064\u304d\u304c\u4f4e\u6e1b\u3055\u308c\u3001\u30d1\u30a4\u30d7\u8ef8\u3068\u30d5\u30e9\u30f3\u30b8\u9762\u306e\u76f4\u89d2\u5ea6\u304c\u4fdd\u8a3c\u3055\u308c\u307e\u3059\u300250\u500b\u4ee5\u4e0a\u306e\u751f\u7523\u30ed\u30c3\u30c8\u306b\u306f\u3001\u6700\u826f\u306e\u7d50\u679c\u3092\u5f97\u308b\u305f\u3081\u306b\u30ed\u30dc\u30c3\u30c8\u6eb6\u63a5\u3092\u304a\u52e7\u3081\u3057\u307e\u3059\u3002.<\/p>\n\n\n\n

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\"\u81ea\u52d5\u8eca\u30b7\u30b9\u30c6\u30e0\u5411\u30513\u30a4\u30f3\u30c1304\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306b\u3088\u308b\u30d5\u30e9\u30f3\u30b8\u4ed8\u304d\u30d1\u30a4\u30d7\u6eb6\u63a5\u30b5\u30fc\u30d3\u30b9\"<\/figure>\n<\/div>\n\n\n\n
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\"\u30ab\u30b9\u30bf\u30e0\u30ab\u30fc\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u5411\u3051304\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u30d1\u30a4\u30d7\u4ed8\u304d\u30d5\u30e9\u30f3\u30b8\u6eb6\u63a5\u30b5\u30fc\u30d3\u30b9\"<\/figure>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n

What Is Stainless Steel Pipe with Flange Welding\uff1f
\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u30d5\u30e9\u30f3\u30b8\u4ed8\u304d\u30d1\u30a4\u30d7\u6eb6\u63a5\u3068\u306f\uff1f<\/h2>\n\n\n\n

This component consists of a stainless steel pipe with a flange welded to one or both ends, allowing bolted connections to other exhaust components. Stainless steel contains at least 10.5 percent chromium, which forms a passive oxide layer on the surface.
\u3053\u306e\u90e8\u54c1\u306f\u3001\u4e00\u7aef\u307e\u305f\u306f\u4e21\u7aef\u306b\u30d5\u30e9\u30f3\u30b8\u304c\u6eb6\u63a5\u3055\u308c\u305f\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u30d1\u30a4\u30d7\u3067\u69cb\u6210\u3055\u308c\u3001\u4ed6\u306e\u6392\u6c17\u90e8\u54c1\u3078\u306e\u30dc\u30eb\u30c8\u63a5\u7d9a\u3092\u53ef\u80fd\u306b\u3057\u307e\u3059\u3002\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306b\u306f\u5c11\u306a\u304f\u3068\u308210.5%\u306e\u30af\u30ed\u30e0\u304c\u542b\u307e\u308c\u3066\u304a\u308a\u3001\u8868\u9762\u306b\u4e0d\u52d5\u614b\u9178\u5316\u76ae\u819c\u3092\u5f62\u6210\u3057\u307e\u3059\u3002.<\/p>\n\n\n\n

Our welding technique uses shielding gas\u2014typically argon or a helium argon mix\u2014to protect the molten weld pool from oxygen. This allows the chromium to re form its protective layer as the weld cools. A properly welded stainless steel pipe with flange will resist rust at the weld line as effectively as the base metal. We also control heat input carefully because too much heat causes chromium carbide precipitation, a condition known as weld decay. By using low heat input and proper technique, we prevent this problem. The result is a seamless, strong, and corrosion proof joint that outlasts the surrounding material.
\u5f53\u793e\u306e\u6eb6\u63a5\u6280\u8853\u3067\u306f\u3001\u30b7\u30fc\u30eb\u30c9\u30ac\u30b9\uff08\u901a\u5e38\u306f\u30a2\u30eb\u30b4\u30f3\u307e\u305f\u306f\u30d8\u30ea\u30a6\u30e0\u3068\u30a2\u30eb\u30b4\u30f3\u306e\u6df7\u5408\u30ac\u30b9\uff09\u3092\u4f7f\u7528\u3057\u3066\u3001\u6eb6\u878d\u6eb6\u63a5\u30d7\u30fc\u30eb\u3092\u9178\u7d20\u304b\u3089\u4fdd\u8b77\u3057\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u6eb6\u63a5\u304c\u51b7\u3048\u308b\u969b\u306b\u30af\u30ed\u30e0\u304c\u4fdd\u8b77\u5c64\u3092\u518d\u5f62\u6210\u3067\u304d\u307e\u3059\u3002\u9069\u5207\u306b\u6eb6\u63a5\u3055\u308c\u305f\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u30d5\u30e9\u30f3\u30b8\u4ed8\u304d\u30d1\u30a4\u30d7\u306f\u3001\u6bcd\u6750\u3068\u540c\u69d8\u306b\u6eb6\u63a5\u7dda\u3067\u306e\u9306\u306b\u8010\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u307e\u305f\u3001\u71b1\u5165\u529b\u3092\u6ce8\u610f\u6df1\u304f\u5236\u5fa1\u3057\u307e\u3059\u3002\u904e\u5ea6\u306e\u71b1\u306f\u30af\u30ed\u30e0\u70ad\u5316\u7269\u306e\u6790\u51fa\uff08\u6eb6\u63a5\u52a3\u5316\u3068\u3057\u3066\u77e5\u3089\u308c\u308b\u72b6\u614b\uff09\u3092\u5f15\u304d\u8d77\u3053\u3059\u305f\u3081\u3067\u3059\u3002\u4f4e\u71b1\u5165\u529b\u3068\u9069\u5207\u306a\u6280\u8853\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u3053\u306e\u554f\u984c\u3092\u9632\u304e\u307e\u3059\u3002\u7d50\u679c\u3068\u3057\u3066\u3001\u5468\u56f2\u306e\u6750\u6599\u3088\u308a\u3082\u9577\u6301\u3061\u3059\u308b\u3001\u30b7\u30fc\u30e0\u30ec\u30b9\u3067\u5f37\u56fa\u304b\u3064\u8010\u98df\u6027\u306e\u3042\u308b\u7d99\u624b\u304c\u5f97\u3089\u308c\u307e\u3059\u3002.<\/p>\n\n\n\n

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\u5f53\u793e\u304c\u4f7f\u7528\u3059\u308b\u30d5\u30e9\u30f3\u30b8\u9762\u306e\u6e96\u5099\u65b9\u6cd5\uff1a<\/h2>\n\n\n\n

As Sawn Flange Face \u2013 For non critical applications:
\u92f8\u5207\u65ad\u30d5\u30e9\u30f3\u30b8\u9762 \u2013 \u91cd\u8981\u3067\u306a\u3044\u7528\u9014\u5411\u3051\uff1a<\/h3>\n\n\n\n

Sawn flanges are cut from plate then deburred. This surface works for low pressure systems with soft graphite gaskets. However, this specification is not recommended for turbocharged engines.
\u92f8\u5207\u65ad\u30d5\u30e9\u30f3\u30b8\u306f\u30d7\u30ec\u30fc\u30c8\u304b\u3089\u5207\u65ad\u3055\u308c\u3001\u30d0\u30ea\u53d6\u308a\u304c\u884c\u308f\u308c\u307e\u3059\u3002\u3053\u306e\u8868\u9762\u306f\u3001\u67d4\u3089\u304b\u3044\u30b0\u30e9\u30d5\u30a1\u30a4\u30c8\u30ac\u30b9\u30b1\u30c3\u30c8\u3092\u4f7f\u7528\u3059\u308b\u4f4e\u5727\u30b7\u30b9\u30c6\u30e0\u306b\u9069\u3057\u3066\u3044\u307e\u3059\u3002\u305f\u3060\u3057\u3001\u3053\u306e\u4ed5\u69d8\u306f\u30bf\u30fc\u30dc\u30c1\u30e3\u30fc\u30b8\u30e3\u30fc\u30a8\u30f3\u30b8\u30f3\u306b\u306f\u63a8\u5968\u3055\u308c\u307e\u305b\u3093\u3002.<\/p>\n\n\n\n

CNC\u30d5\u30e9\u30a4\u30b9\u52a0\u5de5\u30d5\u30e9\u30f3\u30b8\u9762 \u2013 \u307b\u3068\u3093\u3069\u306e\u81ea\u52d5\u8eca\u7528\u9014\u5411\u3051\uff1a<\/h3>\n\n\n\n

Milling produces a smooth surface with 32 microinch RA finish. A gasket seals reliably against this face. This preparation accounts for 80 percent of our pipe with flange production for auto car exhaust systems.
\u30d5\u30e9\u30a4\u30b9\u52a0\u5de5\u306b\u3088\u308a\u300132\u30de\u30a4\u30af\u30ed\u30a4\u30f3\u30c1RA\u4ed5\u4e0a\u3052\u306e\u6ed1\u3089\u304b\u306a\u8868\u9762\u304c\u5f97\u3089\u308c\u307e\u3059\u3002\u30ac\u30b9\u30b1\u30c3\u30c8\u306f\u3053\u306e\u9762\u306b\u5bfe\u3057\u3066\u78ba\u5b9f\u306b\u30b7\u30fc\u30eb\u3057\u307e\u3059\u3002\u3053\u306e\u524d\u51e6\u7406\u306f\u3001\u81ea\u52d5\u8eca\u6392\u6c17\u30b7\u30b9\u30c6\u30e0\u5411\u3051\u306e\u30d5\u30e9\u30f3\u30b8\u4ed8\u304d\u30d1\u30a4\u30d7\u751f\u7523\u306e80%\u3092\u5360\u3081\u307e\u3059\u3002.<\/p>\n\n\n\n

\u8868\u9762\u7814\u524a\u30d5\u30e9\u30f3\u30b8\u9762 \u2013 \u9ad8\u30d6\u30fc\u30b9\u30c8\u7528\u9014\u5411\u3051\uff1a<\/h3>\n\n\n\n

After milling, we surface grind the flange to achieve 16 microinch RA or better. This component seals without a gasket on some precision mating parts. Typically used on turbocharged and racing exhaust systems.
\u30d5\u30e9\u30a4\u30b9\u52a0\u5de5\u5f8c\u3001\u30d5\u30e9\u30f3\u30b8\u3092\u8868\u9762\u7814\u524a\u3057\u306616\u30de\u30a4\u30af\u30ed\u30a4\u30f3\u30c1RA\u4ee5\u4e0b\u3092\u5b9f\u73fe\u3057\u307e\u3059\u3002\u3053\u306e\u90e8\u54c1\u306f\u3001\u4e00\u90e8\u306e\u7cbe\u5bc6\u5d4c\u5408\u90e8\u54c1\u3067\u306f\u30ac\u30b9\u30b1\u30c3\u30c8\u306a\u3057\u3067\u30b7\u30fc\u30eb\u3057\u307e\u3059\u3002\u901a\u5e38\u3001\u30bf\u30fc\u30dc\u30c1\u30e3\u30fc\u30b8\u30e3\u30fc\u4ed8\u304d\u304a\u3088\u3073\u30ec\u30fc\u30b7\u30f3\u30b0\u6392\u6c17\u30b7\u30b9\u30c6\u30e0\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002.<\/p>\n\n\n\n

For all pipe with flange projects, we inspect flange flatness with a machinist straight edge. Any flange with more than 0.002 inch warp is rejected before welding begins.
\u3059\u3079\u3066\u306e\u30d5\u30e9\u30f3\u30b8\u4ed8\u304d\u30d1\u30a4\u30d7\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306b\u304a\u3044\u3066\u3001\u6a5f\u68b0\u5de5\u7528\u76f4\u5b9a\u898f\u3067\u30d5\u30e9\u30f3\u30b8\u306e\u5e73\u9762\u5ea6\u3092\u691c\u67fb\u3057\u307e\u3059\u30020.002\u30a4\u30f3\u30c1\u3092\u8d85\u3048\u308b\u53cd\u308a\u304c\u3042\u308b\u30d5\u30e9\u30f3\u30b8\u306f\u3001\u6eb6\u63a5\u958b\u59cb\u524d\u306b\u4e0d\u5408\u683c\u3068\u306a\u308a\u307e\u3059\u3002.<\/p>\n\n\n\n

\n
<\/div>\n<\/div>\n\n\n\n

\u30d1\u30a4\u30d7\u3068\u30d5\u30e9\u30f3\u30b8\u306e\u7d99\u624b\u69cb\u6210\uff1a<\/h2>\n\n\n\n

\u5b8c\u5168\u6eb6\u3051\u8fbc\u307f\u7a81\u5408\u305b\u6eb6\u63a5 \u2013 \u6700\u5927\u5f37\u5ea6\u5411\u3051\uff1a<\/h3>\n\n\n\n

The pipe butts directly against a counterbore in the flange. We weld from the outside with 100 percent root fusion. This configuration for pipe with flange has no internal ledge to trap exhaust deposits. Recommended for turbo downpipes and high performance exhausts.
\u30d1\u30a4\u30d7\u306f\u30d5\u30e9\u30f3\u30b8\u306e\u30b6\u30b0\u30ea\u7a74\u306b\u76f4\u63a5\u7a81\u304d\u5f53\u3066\u3089\u308c\u307e\u3059\u3002\u5916\u9762\u304b\u3089100%\u30eb\u30fc\u30c8\u878d\u5408\u3067\u6eb6\u63a5\u3057\u307e\u3059\u3002\u3053\u306e\u30d5\u30e9\u30f3\u30b8\u4ed8\u304d\u30d1\u30a4\u30d7\u306e\u69cb\u6210\u306b\u306f\u3001\u6392\u6c17\u5806\u7a4d\u7269\u3092\u6355\u6349\u3059\u308b\u5185\u90e8\u6bb5\u5dee\u304c\u3042\u308a\u307e\u305b\u3093\u3002\u30bf\u30fc\u30dc\u30c0\u30a6\u30f3\u30d1\u30a4\u30d7\u304a\u3088\u3073\u9ad8\u6027\u80fd\u6392\u6c17\u30b7\u30b9\u30c6\u30e0\u306b\u63a8\u5968\u3055\u308c\u307e\u3059\u3002.<\/p>\n\n\n\n

\u5916\u5074\u3059\u307f\u8089\u6eb6\u63a5 \u2013 \u6a19\u6e96\u4ea4\u63db\u90e8\u54c1\u5411\u3051\uff1a<\/h3>\n\n\n\n

The pipe inserts into a recess in the flange. A single fillet weld on the outside joins them. This design is common on OEM replacement parts. Strong enough for naturally aspirated engines and daily drivers.
\u30d1\u30a4\u30d7\u306f\u30d5\u30e9\u30f3\u30b8\u306e\u51f9\u90e8\u306b\u633f\u5165\u3055\u308c\u307e\u3059\u3002\u5916\u9762\u306e1\u672c\u306e\u3059\u307f\u8089\u6eb6\u63a5\u3067\u63a5\u5408\u3057\u307e\u3059\u3002\u3053\u306e\u8a2d\u8a08\u306fOEM\u4ea4\u63db\u90e8\u54c1\u3067\u4e00\u822c\u7684\u3067\u3059\u3002\u81ea\u7136\u5438\u6c17\u30a8\u30f3\u30b8\u30f3\u3084\u65e5\u5e38\u4f7f\u7528\u8eca\u4e21\u306b\u5341\u5206\u306a\u5f37\u5ea6\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n\n\n\n

\u5185\u5074\u304a\u3088\u3073\u5916\u5074\u6eb6\u63a5 \u2013 \u904e\u9177\u306a\u7528\u9014\u5411\u3051\uff1a<\/h3>\n\n\n\n

The pipe passes through a fully machined hole. We weld both inside and outside. This construction is nearly impossible to separate. Used on off road race vehicles and competition exhaust systems.
\u30d1\u30a4\u30d7\u306f\u5b8c\u5168\u306b\u6a5f\u68b0\u52a0\u5de5\u3055\u308c\u305f\u7a74\u3092\u901a\u308a\u307e\u3059\u3002\u5185\u5074\u3068\u5916\u5074\u306e\u4e21\u65b9\u3092\u6eb6\u63a5\u3057\u307e\u3059\u3002\u3053\u306e\u69cb\u9020\u306f\u5206\u96e2\u304c\u307b\u307c\u4e0d\u53ef\u80fd\u3067\u3059\u3002\u30aa\u30d5\u30ed\u30fc\u30c9\u30ec\u30fc\u30b9\u8eca\u4e21\u304a\u3088\u3073\u7af6\u6280\u7528\u6392\u6c17\u30b7\u30b9\u30c6\u30e0\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002.<\/p>\n\n\n\n

For each pipe with flange order, we document the joint configuration so you can reorder identical parts.
\u30d5\u30e9\u30f3\u30b8\u4ed8\u304d\u30d1\u30a4\u30d7\u306e\u3054\u6ce8\u6587\u3054\u3068\u306b\u3001\u7d99\u624b\u69cb\u6210\u3092\u6587\u66f8\u5316\u3057\u3066\u3001\u540c\u4e00\u90e8\u54c1\u3092\u518d\u6ce8\u6587\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u307e\u3059\u3002.<\/p>\n\n\n\n

\n
<\/div>\n<\/div>\n\n\n\n

\u7570\u306a\u308b\u30c1\u30e5\u30fc\u30d6\u8089\u539a\u306b\u5bfe\u3059\u308b\u6eb6\u63a5\u30d7\u30ed\u30bb\u30b9\uff1a<\/h2>\n\n\n\n

\u8089\u539a1.5mm\uff5e3mm\u306e\u30c1\u30e5\u30fc\u30d6\u7528GTAW\uff1a<\/h3>\n\n\n\n

Manual TIG gives fine control over the weld puddle. For a thin wall pipe with flange, we use a copper backing bar inside the pipe to prevent drop through. Amperage ranges from 70 to 130 amps with 1\/16 inch 308L filler. Travel speed is approximately 3 to 4 inches per minute.
\u624b\u52d5TIG\u306f\u6eb6\u63a5\u30d7\u30fc\u30eb\u306e\u5fae\u7d30\u306a\u5236\u5fa1\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002\u8584\u8089\u306e\u30d5\u30e9\u30f3\u30b8\u4ed8\u304d\u30d1\u30a4\u30d7\u306e\u5834\u5408\u3001\u30d1\u30a4\u30d7\u5185\u90e8\u306b\u9285\u88fd\u30d0\u30c3\u30ad\u30f3\u30b0\u30d0\u30fc\u3092\u4f7f\u7528\u3057\u3066\u843d\u3061\u8fbc\u307f\u3092\u9632\u304e\u307e\u3059\u3002\u30a2\u30f3\u30da\u30a2\u6570\u306f70\uff5e130\u30a2\u30f3\u30da\u30a2\u30011\/16\u30a4\u30f3\u30c1308L\u30d5\u30a3\u30e9\u30fc\u30ef\u30a4\u30e4\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002\u79fb\u52d5\u901f\u5ea6\u306f\u6bce\u5206\u7d043\uff5e4\u30a4\u30f3\u30c1\u3067\u3059\u3002.<\/p>\n\n\n\n

\u8089\u539a2mm\uff5e5mm\u306e\u539a\u8089\u30c1\u30e5\u30fc\u30d6\u7528\u30d1\u30eb\u30b9MIG\uff1a<\/h3>\n\n\n\n

Pulsed spray transfer reduces spatter and allows out of position welding. Our pulsed MIG production runs at 180 to 230 amps with 0.045 inch 309L wire. Most cost effective for orders over 50 pieces.
\u30d1\u30eb\u30b9\u30b9\u30d7\u30ec\u30fc\u79fb\u884c\u306f\u30b9\u30d1\u30c3\u30bf\u3092\u4f4e\u6e1b\u3057\u3001\u59ff\u52e2\u5916\u6eb6\u63a5\u3092\u53ef\u80fd\u306b\u3057\u307e\u3059\u3002\u5f53\u793e\u306e\u30d1\u30eb\u30b9MIG\u751f\u7523\u306f\u30010.045\u30a4\u30f3\u30c1309L\u30ef\u30a4\u30e4\u3092\u4f7f\u7528\u3057\u3001180\uff5e230\u30a2\u30f3\u30da\u30a2\u3067\u7a3c\u50cd\u3057\u307e\u3059\u300250\u500b\u4ee5\u4e0a\u306e\u3054\u6ce8\u6587\u306b\u6700\u3082\u30b3\u30b9\u30c8\u52b9\u7387\u304c\u826f\u3044\u3067\u3059\u3002.<\/p>\n\n\n\n

\u5927\u91cf\u751f\u7523\u7528\u30ed\u30dc\u30c3\u30c8MIG\uff1a<\/h3>\n\n\n\n

For customers needing 200 or more identical units, robotic welding ensures each pipe with flange matches the last. We program weld paths directly from CAD files. Cycle time is typically 60 to 120 seconds per flange.
200\u500b\u4ee5\u4e0a\u306e\u540c\u4e00\u30e6\u30cb\u30c3\u30c8\u304c\u5fc5\u8981\u306a\u304a\u5ba2\u69d8\u306b\u306f\u3001\u30ed\u30dc\u30c3\u30c8\u6eb6\u63a5\u306b\u3088\u308a\u5404\u30d5\u30e9\u30f3\u30b8\u4ed8\u304d\u30d1\u30a4\u30d7\u304c\u524d\u56de\u3068\u4e00\u81f4\u3059\u308b\u3053\u3068\u3092\u4fdd\u8a3c\u3057\u307e\u3059\u3002CAD\u30d5\u30a1\u30a4\u30eb\u304b\u3089\u76f4\u63a5\u6eb6\u63a5\u7d4c\u8def\u3092\u30d7\u30ed\u30b0\u30e9\u30e0\u3057\u307e\u3059\u3002\u30b5\u30a4\u30af\u30eb\u30bf\u30a4\u30e0\u306f\u901a\u5e38\u3001\u30d5\u30e9\u30f3\u30b81\u500b\u3042\u305f\u308a60\uff5e120\u79d2\u3067\u3059\u3002. <\/p>\n\n\n\n

\n
<\/div>\n<\/div>\n\n\n\n

\u30d5\u30e9\u30f3\u30b8\u6eb6\u63a5\u6642\u306e\u6b6a\u307f\u5236\u5fa1\uff1a<\/h2>\n\n\n\n

Flanges warp from weld heat because the weld shrinks as it cools. Stainless steel expands approximately 9.9 micro inches per inch per degree Fahrenheit. A 4 inch flange heated locally to 500\u00b0F pulls out of flat.
\u30d5\u30e9\u30f3\u30b8\u306f\u6eb6\u63a5\u71b1\u306b\u3088\u308a\u53cd\u308a\u307e\u3059\u3002\u6eb6\u63a5\u90e8\u304c\u51b7\u3048\u308b\u969b\u306b\u53ce\u7e2e\u3059\u308b\u305f\u3081\u3067\u3059\u3002\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306f\u83ef\u6c0f1\u5ea6\u3042\u305f\u308a1\u30a4\u30f3\u30c1\u3042\u305f\u308a\u7d049.9\u30de\u30a4\u30af\u30ed\u30a4\u30f3\u30c1\u81a8\u5f35\u3057\u307e\u3059\u30024\u30a4\u30f3\u30c1\u306e\u30d5\u30e9\u30f3\u30b8\u304c\u5c40\u6240\u7684\u306b\u83ef\u6c0f500\u5ea6\u306b\u52a0\u71b1\u3055\u308c\u308b\u3068\u3001\u5e73\u5766\u6027\u304c\u5931\u308f\u308c\u307e\u3059\u3002.<\/p>\n\n\n\n

Balanced welding \u2013 Weld opposite sides of the flange in sequence
\u30d0\u30e9\u30f3\u30b9\u6eb6\u63a5 \u2013 \u30d5\u30e9\u30f3\u30b8\u306e\u53cd\u5bfe\u5074\u3092\u9806\u756a\u306b\u6eb6\u63a5<\/p>\n\n\n\n

Strongback clamping \u2013 Bolt the flange to a thick steel plate during welding
\u30b9\u30c8\u30ed\u30f3\u30b0\u30d0\u30c3\u30af\u30af\u30e9\u30f3\u30d7 \u2013 \u6eb6\u63a5\u4e2d\u306b\u30d5\u30e9\u30f3\u30b8\u3092\u539a\u3044\u92fc\u677f\u306b\u30dc\u30eb\u30c8\u56fa\u5b9a<\/p>\n\n\n\n

Copper chill rings \u2013 Placed inside the pipe near the weld zone
\u9285\u88fd\u30c1\u30eb\u30ea\u30f3\u30b0 \u2013 \u6eb6\u63a5\u30be\u30fc\u30f3\u8fd1\u304f\u306e\u30d1\u30a4\u30d7\u5185\u90e8\u306b\u914d\u7f6e<\/p>\n\n\n\n

Low heat input technique \u2013 Use smallest possible filler wire
\u4f4e\u71b1\u5165\u529b\u6280\u8853 \u2013 \u53ef\u80fd\u306a\u9650\u308a\u7d30\u3044\u30d5\u30a3\u30e9\u30fc\u30ef\u30a4\u30e4\u3092\u4f7f\u7528<\/p>\n\n\n\n

Post weld flange resurfacing \u2013 Light milling after welding if needed
\u6eb6\u63a5\u5f8c\u30d5\u30e9\u30f3\u30b8\u518d\u8868\u9762\u52a0\u5de5 \u2013 \u5fc5\u8981\u306b\u5fdc\u3058\u3066\u6eb6\u63a5\u5f8c\u306b\u8efd\u3044\u30d5\u30e9\u30a4\u30b9\u52a0\u5de5<\/p>\n\n\n\n

Using these methods, we hold flange flatness to within 0.002 inch for most pipe with flange applications. For critical sealing surfaces on turbo exhausts, we add post weld stress relieving in an oven at 400\u00b0F for one hour.
\u3053\u308c\u3089\u306e\u65b9\u6cd5\u3092\u4f7f\u7528\u3057\u3066\u3001\u307b\u3068\u3093\u3069\u306e\u30d5\u30e9\u30f3\u30b8\u4ed8\u304d\u30d1\u30a4\u30d7\u7528\u9014\u3067\u30d5\u30e9\u30f3\u30b8\u5e73\u9762\u5ea6\u30920.002\u30a4\u30f3\u30c1\u4ee5\u5185\u306b\u7dad\u6301\u3057\u307e\u3059\u3002\u30bf\u30fc\u30dc\u6392\u6c17\u306e\u91cd\u8981\u306a\u30b7\u30fc\u30eb\u9762\u306b\u306f\u3001\u83ef\u6c0f400\u5ea6\u306e\u30aa\u30fc\u30d6\u30f3\u30671\u6642\u9593\u306e\u6eb6\u63a5\u5f8c\u5fdc\u529b\u9664\u53bb\u3092\u8ffd\u52a0\u3057\u307e\u3059\u3002.<\/p>\n\n\n\n

\n
\n
\n
\n
\"\u30ab\u30b9\u30bf\u30e0\u30ab\u30fc\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u5411\u3051304\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u30d1\u30a4\u30d7\u4ed8\u304d\u30d5\u30e9\u30f3\u30b8\u6eb6\u63a5\u30b5\u30fc\u30d3\u30b9\"<\/figure>\n<\/div>\n\n\n\n
\n
\"\u81ea\u52d5\u8eca\u6392\u6c17\u304a\u3088\u3073\u6d41\u4f53\u30b7\u30b9\u30c6\u30e0\u5411\u3051\u7cbe\u5bc6\u6eb6\u63a5\u30d1\u30a4\u30d7\u4ed8\u304d\u30d5\u30e9\u30f3\u30b8\u30a2\u30bb\u30f3\u30d6\u30ea\"<\/figure>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n
\n
<\/div>\n<\/div>\n\n\n\n

\u5f53\u793e\u304c\u88fd\u9020\u3059\u308b\u30d5\u30e9\u30f3\u30b8\u30b9\u30bf\u30a4\u30eb\u3068\u30dc\u30eb\u30c8\u30d1\u30bf\u30fc\u30f3:<\/h2>\n\n\n\n

3 Bolt Triangular Flange:
3\u30dc\u30eb\u30c8\u4e09\u89d2\u5f62\u30d5\u30e9\u30f3\u30b8\uff1a<\/h3>\n\n\n\n

Found on many Japanese vehicles including Honda, Toyota, and Subaru. Each pipe with flange for this pattern uses 8mm or 10mm bolts. Gasket center hole matches pipe ID from 2 to 3 inches.
\u30db\u30f3\u30c0\u3001\u30c8\u30e8\u30bf\u3001\u30b9\u30d0\u30eb\u3092\u542b\u3080\u591a\u304f\u306e\u65e5\u672c\u8eca\u306b\u898b\u3089\u308c\u307e\u3059\u3002\u3053\u306e\u30d1\u30bf\u30fc\u30f3\u306e\u5404\u30d5\u30e9\u30f3\u30b8\u4ed8\u304d\u30d1\u30a4\u30d7\u306f\u30018mm\u307e\u305f\u306f10mm\u306e\u30dc\u30eb\u30c8\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002\u30ac\u30b9\u30b1\u30c3\u30c8\u306e\u4e2d\u5fc3\u7a74\u306f\u30012\uff5e3\u30a4\u30f3\u30c1\u306e\u30d1\u30a4\u30d7\u5185\u5f84\u306b\u9069\u5408\u3057\u307e\u3059\u3002.<\/p>\n\n\n\n

2 Bolt Oval Flange:<\/h3>\n\n\n\n

BMW\u3001\u30e1\u30eb\u30bb\u30c7\u30b9\u3001\u30d5\u30a9\u30eb\u30af\u30b9\u30ef\u30fc\u30b2\u30f3\u306a\u3069\u306e\u6b27\u5dde\u8eca\u306b\u4e00\u822c\u7684\u3067\u3059\u3002\u3053\u306e\u8a2d\u8a08\u306b\u3088\u308a\u3001\u7d44\u307f\u7acb\u3066\u6642\u306e\u56de\u8ee2\u304c\u53ef\u80fd\u3067\u3059\u3002\u901a\u5e38\u3001\u6392\u6c17\u63a5\u7d9a\u306b\u306fM8\u307e\u305f\u306fM10\u30b9\u30bf\u30c3\u30c9\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002.<\/p>\n\n\n\n

4 Bolt Square Flange:<\/h3>\n\n\n\n

\u30d5\u30a9\u30fc\u30c9\u3001\u30b7\u30dc\u30ec\u30fc\u3001\u30c0\u30c3\u30b8\u306e\u30a2\u30e1\u30ea\u30ab\u30f3V8\u30a8\u30f3\u30b8\u30f3\u306b\u6a19\u6e96\u88c5\u5099\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u30d1\u30bf\u30fc\u30f3\u306e\u30d1\u30a4\u30d7\u4ed8\u304d\u30d5\u30e9\u30f3\u30b8\u306f\u30013.5\u30a4\u30f3\u30c1\u307e\u305f\u306f4\u30a4\u30f3\u30c1\u306e\u30dc\u30eb\u30c8\u9593\u9694\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u307e\u3059\u3002\u30d1\u30a4\u30d7\u30b5\u30a4\u30ba\u306f2\u301c4\u30a4\u30f3\u30c1\u3067\u3059\u3002.<\/p>\n\n\n\n

\u30ab\u30b9\u30bf\u30e0\u30d5\u30e9\u30f3\u30b8\u5f62\u72b6:<\/h3>\n\n\n\n

\u30e6\u30cb\u30fc\u30af\u306a\u81ea\u52d5\u8eca\u7528\u9014\u5411\u3051\u306e\u4efb\u610f\u306e\u30dc\u30eb\u30c8\u30d1\u30bf\u30fc\u30f3\u307e\u305f\u306f\u5916\u5f62\u8f2a\u90ed\u3002\u30d5\u30e9\u30f3\u30b8\u3092CNC\u52a0\u5de5\u3057\u3001\u305d\u306e\u5f8c\u30d1\u30a4\u30d7\u3092\u6eb6\u63a5\u3057\u307e\u3059\u3002\u5404\u30ab\u30b9\u30bf\u30e0\u90e8\u54c1\u306f\u304a\u5ba2\u69d8\u306e\u56f3\u9762\u306b\u57fa\u3065\u3044\u3066\u88fd\u9020\u3055\u308c\u307e\u3059\u3002.<\/p>\n\n\n\n

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\n
<\/div>\n<\/div>\n\n\n\n

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Pipe with Flange Welding Service in 3 inch 304 stainless steel provides durable, precision welded assemblies for automotive exhaust and fluid transfer applications.
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