|
Standard |
ASTMA106 GRB /API5LGRB/ASTMA53GRB |
|
Material |
GRB 20# STEEL |
|
OD |
1/4"-24",13mm-610mm |
|
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 |
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