Type

carbon steel pipe  welded pipe galvanized pipe,   seamless steel pipe  spiral steel pipe  alloy pipe    

Standard

ASTM A106 GRB/API5LGRB/ASTMA53GRB DIN ANSI GB SH HG API

Material

GRB20#STEEL,A3,A234,ASTM,Q235,Q345,10#,45#,12CrMo, ,ST37 ,16Mn,

Cr5Mo,15CrMo

OD

1/4''-24'',13mm-610mm

WT

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

Usage

Petroleum, Smelting, Boiler Use, Water transport, Building, Machinery, Traffic,

Aviation, Oil development, etc

OD Tolerance

D<48.3mm,+-0.4mm/-0.79mm,D48.3-114.3mm,+-0.79%,D>114.3mm +-1.59/-0.79mm

WT Tolerance

WT+-12.5%

Chemical

C:<0.30%,SI:>0.10%,MN:0.29-1.06%,P:<0.035%,S:<0.035%,Cu:<0.40%,

Ni<0.40%,Cr:<0.40%,Mo:0.15%,V:0.08%

Tensile

Strength

415MPA

Yield Point

240MPA

Elong Ation

20

other test

HY,ET

Length

2-12m Random

Surface

Black paint as rusty protect

Ends

2''below pain ends,2''above beveled ends

Method

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

Packing

6 steel strip, bundles, Caps, Plastic wrap, loading belt, or as customer's request

Advantage

high wear-resisting ,aging resistant , service life is long, high security,

highly pressurized, widely used

Min order

3 tons