不锈钢管件的焊接
2013-07-23 10:03:58
动态详情
| 标准代号 Standard Code |
标准名称 Standard Name |
| ASME SA-234 | 中、高温用钢制碳钢和合金钢管道配件 |
| Medium and high temperature used carbon and alloy steel pipe fittings | |
| ASME SA-420 | 低温用锻制碳钢和合金钢管配件 |
| Low temperature forged carbon and alloy steel pipe fittings | |
| ASME SA-403 | 锻制奥氏体不锈钢管配件 |
| Forged Durimet pipe fittings | |
| ASME B16.9 | 工厂制造的钢制对焊管件 |
| Factory-Made wrought steel pipe fittings | |
| ASME B16.11 | 承插焊和螺纹锻钢管件 |
| Socket-welding and Threaded forged fittings | |
| ASME B16.28 | 锻钢对焊小半径弯头和回弯头 |
| Wrought steel butt-welding short radius elbows and returns | |
| ISO 5251 | 不锈钢对焊管件 |
| Stainless steel butt-welding fittings | |
| MSS SP-43 | 锻制不锈钢对焊管件 |
| Wrought stainless steel butt-welding fittings | |
| MSS SP-75 | 锻钢制对焊管件 |
| Forging butt-welding fittings | |
| MSS SP-79 | 承插焊异径插入件 |
| Socket-welding reducing Inserts | |
| MSS SP-83 | 3000磅级的钢制承插焊和螺纹活接头 |
| Class 3000 steel socket-welding and threaded unions | |
| MSS SP-95 | 缩渐管和圆堵头 |
| Swaged nipples and round plugs | |
| MSS SP-97 | 承插焊、螺纹和对焊端的整体加强式管座 |
| SW 、TH and BW ends for integrally reinforced forged branch outlet | |
| JIS B2311 | 通用钢制对焊管件 |
| Universal steel butt-welding pipe fittings | |
| JIS B2312 | 钢制对焊管件 |
| Steel butt-welding pipe fittings | |
| JIS B2313 | 钢板制对焊管件 |
| Steel plate butt-welding pipe fittings | |
| JIS B2316 | 钢制承插焊管件 |
| Steel socket-welding pipe fittings | |
| DIN 2605 | 钢制对焊管件弯头和弯管 |
| Steel butt-welding pipe fittings.elbows and bends | |
| DIN 2615 | 钢制对焊管件三通 |
| Steel butt-welding pipe fittings.tees | |
| DIN 2616 | 钢制对焊管件异径管 |
| Steel butt-welding pipe fittings.reducers | |
| DIN 2617 | 钢制对焊管件管帽 |
| Steel butt-welding pipe fittings.caps | |
| GB/T 12459 | 钢制对焊无缝管件 |
| Steel butt-welding seamless fittings | |
| GB/T 13401 | 钢板制对焊管件 |
| Steel plate butt-welding pipe fittings | |
| GB/T 14383 | 锻钢制承插焊管件 |
| Forged steel socket-welding pipe fittings | |
| GB/T 14626 | 锻钢制螺纹管件 |
| Forged steel threaded pipe fittings | |
| SH 3065 | 石油化工管式炉急弯弯管技术标准 |
| Specification for tube fumace sharp bend for petrochemical industry | |
| SH 3406 | 石油化工钢制管法兰 |
| Steel pipe flanges for petrochemical industry | |
| SH 3408 | 钢制对焊无缝管件 |
| Steel butt-welding seamless fittings | |
| SH 3409 | 钢板制对焊管件 |
| Steel plate butt-welding pipe fittings | |
| SH 3410 | 锻钢承插焊管件 |
| Forged steel socket-welding fittings | |
| HGJ10 (HG/T21634) | 锻钢承插焊管件 |
| Forged steel socket-welding fittings | |
| HGJ514 (HG/T21635) | 碳钢、低合金钢无缝管件 |
| Carbon steel、low-alloy steel butt-welding seamless fittings | |
| HGJ528 (HG/T21631) | 钢制有缝对焊管件 |
| Steel plate butt-welding fittings | |
| GD87-1011 | 火力发电厂汽水管道零件及部件典型设计手册 |
| Typical design manual of pipe parts for steam power plant | |
| DL/T515 | 电站弯管 |
| Bends for power plant | |
| DL/T695 | 电站钢制对焊管件 |
| Steel butt-welding fittings for power plant | |
| SY/T0510 | 钢制对焊管件 |
| Steel butt-welding pipe fittings | |
| SY5257 | 钢制弯管 |
| Steel bends | |
| ISO3419 | 非合金和合金钢对焊管件 |
| Non-alloy steel and alloy steel butt-welding fittings | |
| Q/320281AQD01-2000 | 钢制对焊高压带直段弯头 |
| Steel butt-welding elbow with a straight pipe section |
| 标准代号 Standard Code |
标准名称 Standard Name |
| ASME SA-234 | 中、高温用钢制碳钢和合金钢管道配件 |
| Medium and high temperature used carbon and alloy steel pipe fittings | |
| ASME SA-420 | 低温用锻制碳钢和合金钢管配件 |
| Low temperature forged carbon and alloy steel pipe fittings | |
| ASME SA-403 | 锻制奥氏体不锈钢管配件 |
| Forged Durimet pipe fittings | |
| ASME B16.9 | 工厂制造的钢制对焊管件 |
| Factory-Made wrought steel pipe fittings | |
| ASME B16.11 | 承插焊和螺纹锻钢管件 |
| Socket-welding and Threaded forged fittings | |
| ASME B16.28 | 锻钢对焊小半径弯头和回弯头 |
| Wrought steel butt-welding short radius elbows and returns | |
| ISO 5251 | 不锈钢对焊管件 |
| Stainless steel butt-welding fittings | |
| MSS SP-43 | 锻制不锈钢对焊管件 |
| Wrought stainless steel butt-welding fittings | |
| MSS SP-75 | 锻钢制对焊管件 |
| Forging butt-welding fittings | |
| MSS SP-79 | 承插焊异径插入件 |
| Socket-welding reducing Inserts | |
| MSS SP-83 | 3000磅级的钢制承插焊和螺纹活接头 |
| Class 3000 steel socket-welding and threaded unions | |
| MSS SP-95 | 缩渐管和圆堵头 |
| Swaged nipples and round plugs | |
| MSS SP-97 | 承插焊、螺纹和对焊端的整体加强式管座 |
| SW 、TH and BW ends for integrally reinforced forged branch outlet | |
| JIS B2311 | 通用钢制对焊管件 |
| Universal steel butt-welding pipe fittings | |
| JIS B2312 | 钢制对焊管件 |
| Steel butt-welding pipe fittings | |
| JIS B2313 | 钢板制对焊管件 |
| Steel plate butt-welding pipe fittings | |
| JIS B2316 | 钢制承插焊管件 |
| Steel socket-welding pipe fittings | |
| DIN 2605 | 钢制对焊管件弯头和弯管 |
| Steel butt-welding pipe fittings.elbows and bends | |
| DIN 2615 | 钢制对焊管件三通 |
| Steel butt-welding pipe fittings.tees | |
| DIN 2616 | 钢制对焊管件异径管 |
| Steel butt-welding pipe fittings.reducers | |
| DIN 2617 | 钢制对焊管件管帽 |
| Steel butt-welding pipe fittings.caps | |
| GB/T 12459 | 钢制对焊无缝管件 |
| Steel butt-welding seamless fittings | |
| GB/T 13401 | 钢板制对焊管件 |
| Steel plate butt-welding pipe fittings | |
| GB/T 14383 | 锻钢制承插焊管件 |
| Forged steel socket-welding pipe fittings | |
| GB/T 14626 | 锻钢制螺纹管件 |
| Forged steel threaded pipe fittings | |
| SH 3065 | 石油化工管式炉急弯弯管技术标准 |
| Specification for tube fumace sharp bend for petrochemical industry | |
| SH 3406 | 石油化工钢制管法兰 |
| Steel pipe flanges for petrochemical industry | |
| SH 3408 | 钢制对焊无缝管件 |
| Steel butt-welding seamless fittings | |
| SH 3409 | 钢板制对焊管件 |
| Steel plate butt-welding pipe fittings | |
| SH 3410 | 锻钢承插焊管件 |
| Forged steel socket-welding fittings | |
| HGJ10 (HG/T21634) | 锻钢承插焊管件 |
| Forged steel socket-welding fittings | |
| HGJ514 (HG/T21635) | 碳钢、低合金钢无缝管件 |
| Carbon steel、low-alloy steel butt-welding seamless fittings | |
| HGJ528 (HG/T21631) | 钢制有缝对焊管件 |
| Steel plate butt-welding fittings | |
| GD87-1011 | 火力发电厂汽水管道零件及部件典型设计手册 |
| Typical design manual of pipe parts for steam power plant | |
| DL/T515 | 电站弯管 |
| Bends for power plant | |
| DL/T695 | 电站钢制对焊管件 |
| Steel butt-welding fittings for power plant | |
| SY/T0510 | 钢制对焊管件 |
| Steel butt-welding pipe fittings | |
| SY5257 | 钢制弯管 |
| Steel bends | |
| ISO3419 | 非合金和合金钢对焊管件 |
| Non-alloy steel and alloy steel butt-welding fittings | |
| Q/320281AQD01-2000 | 钢制对焊高压带直段弯头 |
| Steel butt-welding elbow with a straight pipe section |
由于不锈钢管件大小不一，按照焊接 的地方，尽可能减小热输入量，故采用手工电弧焊、氩弧焊两种方法，d>Φ159 mm的采用氩弧焊打底，手工电弧焊盖面。d≦Φ159 mm的全用氩弧焊。
焊接流程
①手工电弧焊时焊机采用直流反接，氩弧焊时采用直流正接;
②焊前应将焊丝用不锈钢丝刷刷掉表面的氧化皮，并用丙酮洗濯;焊条应在200-250℃烘干1h，随取随用;
③焊前将工件坡口两侧25 mm范围内的油污等清理干净，并用丙酮洗濯坡口两侧25 mm范围;
④氩弧焊时，喷嘴直径Φ2 mm，钨极为钵钨极，规格Φ2.5 mm;
⑤氩弧焊焊接不锈钢时，背面 充氩气保护，才能背面成形。采用在管道内局部充氩的方法，流量为5-14L/min，正面氩气流量为12一13L/min。
打底焊时焊缝厚度应尽量薄，与根部熔合，收弧时要成缓坡形，如有收弧缩孔，应用磨光机磨掉。 在坡口内引弧熄弧，熄弧时应填满弧坑，防止弧坑裂纹
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