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Standard

ANSI,ASTM ,API.DIN,GB.JIS

Material

A106 Gr A,B,A53 Gr B,ASTM A179,A106GrB,ASTM A53GrB,St42,St45,A179,A135,A315B,A214CA333 Gr 6,A335 P11,A335 P22,TP304,TP321,TP316,TP304L,TP316L,A335 P5,ST37,ST35.8,ST52,1.0309,

OD

1/4"-40",13mm-1000mm

WT

SCH5,SCH10,SCH20,SCH40,SCH60,SCH80,SCH100,SCH120,SCH160,XXS

Usage

Structure Use,water transport,Building,Machinery,Traffic,Aviation,Oil development ect.

OD Tollerance

D<50mm,+-0.5mm , t;50MM,+-1%

WT Tollerance

WT +-12.5%

Chemical

C:0.17-0.24%,Si:0.17-0.37%,MN:0.35-0.65%,P:<0.035%,S:<0.035%,Cu:<0.25%,Ni<0.25%,Cr:<0.25%

Tensile strength

390MPA

Yield Point

WT<16MM 245MPA,WT 16-30MM 235MPA

Elong-Ation

20

other test

HY,ET according to request

Length

2-12m Random,5.8M FIXED,6M FIXED,9M FIXED

Suface

Black paint as rusty protect

Ends

2"below plain ends,2" above beveled ends

Methord

140mm below cold drawn,140mm above hot rolled,273mm above hot expand

Packing

6 steel strip,bundles,Caps , plastic wrap,loading belt

erw pipe

Reference standard

ASTM, JIS, EN,API

material

10#,20# ,45#

grade

X42--X70 ,Q235