Standard

ASTMA106 GRB /API5LGRB/ASTMA53GRB

Material

GRB 20# STEEL

OD

1/2"-56"

WT

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

Usage

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

OD Tollerance

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

WT Tollerance

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

30

other test

HY,ET 

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

Min Order

More quantity price very low