T Welding Pipe
Standard:API 5L PSL1/PSL2,ASTM A53,ASTM A500,JIS G3466,ASTM A252,EN10219-1
Grade:A,B,1,2,3,S235,S355,S460,S355JR,S355J0,S355J2,S460JR,S460J0,S460J2
Outside diameter: 406.4- 5000 mm
Thickness :7mm-200 mm
Length：3m-70m
Uses: Used in petroleum, chemical, natural gas transmission, piling and urban water supply, heating, gas supply and other projects
Tolerance of Outside Diameter and Wall Thickness
Types | Standard | |||||
SY/T5040-2000 | SY/T5037-2000 | SY/T9711.1-1977 | ASTM A252 | AWWA C200-97 | API 5L PSL1 | |
Tube end OD deviation | ±0.5%D | ±0.5%D | -0.79mm～+2.38mm | <±0.1%T | <±0.1%T | ±1.6mm |
Wall thickness | ±10.0%T | D<508mm, ±12.5%T | -8%T～+19.5%T | <-12.5%T | -8%T～+19.5%T | 5.0mm<t<15.0mm, ±0.11=”” <=”” p=”” style=”padding: 0px; margin: 0px;”></t<15.0mm,> |
D>508mm, ±10.0%T | T≥15.0mm, ±1.5mm | |||||
ASTM A53 | Standard Specification for Pipe, Steel, Black and Hot-Dipped, Zinc-Coated, Welded and Seamless |
API 5L | Specification for Line Pipe(Two levels PSL 1 and PSL 2 of seamless and welded steel pipes for use in pipeline transportation systems in the petroleum and natural gas industries.) |
A252 | Standard Specification for Welded and Seamless Steel Pipe Piles |
A500 | Specification for Cold-Formed Welded and Seamless Carbon Steel Structural Tubing in Rounds and Shapes |
A139 | Standard Specification for Electric-Fusion (Arc)-Welded Steel Pipe (NPS 4 and Over) |
A672 | Specification for Electric-Fusion-Welded Steel Pipe for High-Pressure Service at Moderate Temperatures |
A691 | Specification for Carbon and Alloy Steel Pipe, Electric-Fusion-Welded for High-Pressure Service at High Temperatures |