Let’s take a look at the commonly used standards for stainless steel seamless elbows!
Stainless steel seamless elbows are mainly used in pipeline turns. They account for 80% of all pipe fittings in the pipeline system and are the most used. So do you know its common standards?
Japanese standard
Standard No. Description JIS B2311 General purpose 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 execution standards:
Standard number Description
ASME/ANSI B16.9 Factory Made Forged Steel Butt Weld Fittings
ASME/ANSI B16.11 Socket Weld and Threaded Forged Fittings
ASME/ANSI B16.28 Steel Butt Weld Small Radius Elbows and Return Bends
ASME B16.5 Pipe Flanges and Flange Accessories
MSS SP-43 Forged Stainless Steel Butt Welding Pipe Fittings
MSS SP-79 Socket Weld Reducing Insert
MSS SP-83 Socket Weld and Threaded Unions
MSS SP-97 Integral Reinforced Pipe Seats for Socket Weld, Threaded and Butt Weld Ends
Electricity standards
Standard number Description
GB2000 Typical Design Manual for Steam and Water Pipe Parts and Components of Thermal Power Plants
DL/T515-93 power station elbow
D-GD87-1101 Typical design of pipe parts and components
Chemical standards for pipe fittings implementation standards:
Standard number Description
HGJ514 carbon steel, low alloy steel seamless butt welding pipe fittings
HGJ528 steel seamed butt welded pipe fittings
HGJ10 forged steel socket welded pipe fittings
HGJ529 Forged Steel Socket Weld, Threaded and Butt Weld Pipe Stands
Sinopec standards
Standard number Description
SH3408 -1996 Steel butt welded seamless pipe fittings
SH3409-1996 Forged steel socket welded pipe fittings
SH3410-1996 Forged steel socket welded pipe fittings
SH3065-1994 Technical Standard for Sharp Bends of Petrochemical Tube Furnaces
National standard
Standard number Description
GB/T12459-2017 Steel butt welding pipe fittings types and parameters
GB/T13401-2017 Technical specifications for steel butt welded pipe fittings
GBT 14383-2008 Forged socket weld and threaded pipe fittings
GB/T17185-1995 steel flange fittings
Among the pipe fittings implementation standards, petroleum standards:
Standard number Description
SY/T0510-1998 Steel butt welding pipe fittings
SY/T5257-2004 Steel elbow
02S403 National Construction Standard for Steel Pipe Fittings
Marine standards
GB/T10752-1995 Marine steel pipe butt welding joints
CB/T3590-94 aluminum brass elbow