石油化工钢制管法兰用紧固件
Fasteners for steel pipe flanges in petrochemical industry
2013-10-17
SH/T 3554-2013
石油化工钢制管道焊接热处理规范(附条文说明)
Specification for heat treatment of steel piping in petrochemical industry
2013-10-17
HG/T 20553-2011
化工配管用无缝及焊接钢管尺寸选用系列(附条文说明)
Selection series of steel pipe size for chemical piping
2011-05-18
SH/T 3402-2013
石油化工钢制管法兰用聚四氟乙烯包覆垫片
Polytetrafluoroethylene envelope gaskets for steel pipe flanges in petrochemical industry
2013-10-17
SH/T 3407-2013
石油化工钢制管法兰用缠绕式垫片
Spiral wound gaskets for steel pipe flanges in petrochemical industry
2013-10-17
SH/T 3401-2013
石油化工钢制管法兰用非金属平垫片
Nonmetallic flat gaskets for steel pipe flanges in petrochemical industry
2013-10-17
SH/T 3403-2013
石油化工钢制管法兰用金属环垫
Metallic ring joint gaskets for steel pipe flanges in petrochemical industry
2013-10-17
SH/T 3501-2021
石油化工有毒、可燃介质钢制管道工程施工及验收规范(附条文说明)
Construction and acceptance specification for toxic and combustible fluid steel piping engineering in petrochemical industry
2021-08-21
BS 3293-1960
Specification for carbon steel pipe flanges (over 24 inches nominal size) for the petroleum industry
石油工业用碳钢管法兰（公称尺寸超过24英寸）规范