Japanese standard
Standard number Description
JIS B2311 general steel butt welding pipe fittings
JIS B2312 steel butt welding pipe fittings
JIS B2313 steel plate butt welding pipe fittings
JIS B2316 steel socket welded pipe fittings
American standards for pipe fittings implementation standards:
Standard number Description
ASME/ANSI B16.9 factory-made forged steel butt-welded pipe fittings
ASME/ANSI B16.11 socket welding and threaded forging pipe fittings
ASME/ANSI B16.28 steel butt welding small radius elbow and back bend
ASME B16.5 pipe flanges and flange accessories
MSS SP-43 forged stainless steel butt welding pipe fittings
MSS SP-79 Socket Welding Reducing Insert
MSS SP-83 socket welding and threaded union
MSS SP-97 Integral reinforced socket for socket welding, threaded and butt welding ends
Electricity standard
Standard number Description
GB2000 Thermal Power Plant Steam and Water Pipe Parts and Components Typical Design Manual
DL/T515-93 power station elbow
D-GD87-1101 Typical design of pipe parts and components
Chemical standards for pipe fittings:
Standard number Description
HGJ514 carbon steel, low alloy steel seamless butt welding pipe fittings
HGJ528 steel seam butt welding pipe fittings
HGJ10 forged steel socket welding pipe fittings
HGJ529 forged steel socket welding, thread and butt welding pipe stand
HGJ-44-76-91 steel pipe flanges, gaskets, fasteners
HG20592-20635 steel pipe flanges, gaskets, fasteners
Sinopec Standard
Standard number Description
SH3406 -1996 Petrochemical Steel Pipe Flange
SH3408 -1996 steel butt welding seamless pipe fittings
SH3409-1996 forged steel socket welding pipe fittings
SH3410 -1996 forged steel socket welding pipe fittings
SH3065-1994 Petrochemical Tube Furnace Sharp Bend Technical Standard
National standard
Standard number Description
GB/T12459-2017 steel butt welding pipe fittings
GB/T14383 forged steel socket welded pipe fittings
GB/T17185-1995 steel flange pipe fittings
Pipe fittings implementation standard China Petroleum Standard:
Standard number Description
SY/T0510-2017 steel butt welding pipe fittings
SY/T5257-2012 steel elbow
02S403 National Construction Standard for Steel Pipe Fittings
Marine standard
GB/T10752-1995 Marine steel pipe butt welding joint
CB/T3590-94 aluminum brass elbow
Our company produces various standard elbows, we can also provide elbow customization services, you are welcome to send us your needs to our email: st@strpipeline.com
Contact Person: Mr. Janson
Tel: 0086-317-5298199
Fax: 86-317-5295979