Steel butt-welding pipe fittings for ordinary use
普通钢制对焊管件
2015-01-01
DL/T 695-2014
电站钢制对焊管件
Steel pipe butt welding fittings for power plant
2014-03-18
KS B 1500
강제 맞대기 용접식 관이음쇠의 기본 치수 및 허용차
钢制对接焊管件的基本尺寸和公差
2020-08-18
KS B 1500
강제 맞대기 용접식 관이음쇠의 기본 치수 및 허용차
钢制对焊管件的基本尺寸和公差
2022-12-05
SH/T 3410-2012
石油化工锻钢制承插焊和螺纹管件
Forged steel socket-welded and threaded fittings in petrochemical industry
2012-11-07
BS 1868-1975+A1-1990
Specification for steel check valves (flanged and butt-welding ends) for the petroleum, petrochemical and allied industries
石油、石化和相关工业用钢制止回阀（法兰和对焊端）规范
2010-01-31
JIS B 2309-2009
Butt-welding pipe fittings for light gauge stainless steel tubes for ordinary use
普通用轻型不锈钢管的对焊管件
2009-01-01
BS EN 10253-2-2021
Butt-welding pipe fittings-Non alloy and ferritic alloy steels with specific inspection requirements
对焊管件
2021-08-31
ASTM A758/A758M-24
Standard Specification for Wrought-Carbon Steel Butt-Welding Piping Fittings with Improved Notch Toughness
具有改进缺口韧性的锻制碳钢对焊管件的标准规范
2024-05-01
BS 1873-1975
Specification for steel globe and globe stop and check valves (flanged and butt-welding ends) for the petroleum, petrochemical and allied industries
石油、石化和相关工业用钢制截止阀、截止阀和止回阀（法兰和对焊端）规范
1975-04-30
BS EN 10253-1-1999
Butt-welding pipe fittings-Wrought carbon steel for general use and without specific inspection requirements
对焊管件 无特殊检验要求的通用锻造碳钢
1999-12-15
BS 3799-1974
Specification for steel pipe fittings, screwed and socket-welding for the petroleum industry
石油工业用螺纹和承插焊接钢管配件规范
1974-08-30
UNE-EN 10253-2-2010
Butt-welding pipe fittings - Part 2: Non alloy and ferritic alloy steels with specific inspection requirements
对焊管件.第2部分:有特殊检验要求的非合金和铁素体合金钢
2010-09-15
BS EN 10253-4-2008
Butt-welding pipe fittings-Wrought austenitic and austenitic-ferritic (duplex) stainless steels with specific inspection requirements
对焊管件