St37 galvanized seamless steel tube

Standard

ANSI,ASTM,API.DIN,GB.JIS

Material

A106 GrA,B,A53 Gr B,A333 Gr 6,A335 P11,A335 P22,TP304,TP321,TP316,TP304L,TP316L,A335P5,ST37,ST35.8,ST52,1.0309,

OD

1/4"-40",13mm-1020mm

WT

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

Usage

StructureUse,water transport,Building,Machinery,Traffic,Aviation,Oil development ect.

ODTollerance

D<50mm,+-0.5mm,d>50MM,+-1%

WTTollerance

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%

Tensilestrength

390MPA

YieldPoint

WT<16MM245MPA,WT 16-30MM 235MPA

Elong-Ation

20

Othertest

HY,ETaccording to request

Length

2-12m

Suface

Blackpaint as rusty protect

Ends

2"belowplain ends,2" above beveled ends

Methord

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

Packing

Hexangularpacking in bundles.