T Welding Pipe

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

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