StandardCode 轨范名称 Standard Name ASME SA-234 中、高温用钢制碳钢和合金钢管道配件 Medium hightemperature used carbon alloysteel pipe fittings ASME SA-420 低温用锻制碳钢和合金钢管配件 Low temperature forged carbon alloysteel pipe fittings ASME SA-403 锻制奥氏体不锈钢管配件 Forged Durimet pipe fittings ASME B16.9 工场缔造的钢制对焊管件 Factory-Made wrought steel pipe fittings ASME B16.11 承插焊和螺纹锻钢管件 Socket-welding Threadedforged fittings ASME B16.28 锻钢对焊小半径弯头和回弯头 Wrought steel butt-welding short radius elbows returnsISO 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 Forgingbutt-welding fittings MSS SP-79 Socket-weldingreducing Inserts MSS SP-83 3000 磅级的钢制承插焊和螺纹活接头 Class 3000 steel socket-welding threadedunions MSS SP-95 Swagednipples roundplugs MSS SP-97 承插焊、螺纹和对焊端的整体加紧式管座 SW 、TH BWends integrallyreinforced 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 Steelplate butt-w