Min. Order: | 2 T |
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Keywords: | seamless steel pipe , ASTM steel pipe |
Origin: | Made In China |
Brand: | The Great Wall |
Company Name | Cangzhou Huarui Pipe fittings Co., Ltd. |
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Country/Region: | He Bei - China |
Business Nature: | Manufacturer |
Contact: | MaQiangSales manager |
Phone: | 15612770266 |
Last Online: | 08 Nov, 2017 |
alloy structural steel. Unified digital code: A31132. Standard: GB/T3077-1999
Chemical composition
C:0.07 0.15
Si:0.18 0.37
Mn:0.41 0.70
Cr:0.90 1.20
Mo:0.25 0.35
V:0.15 0.30
Mechanical properties
[ ] sample blank size
30mm
[ ] heat treatment
The heating temperature of quenching ( c ): 970: free coolant;
Tempering temperature ( c ): 750: free coolant;
Mechanical properties of [ ]
Pull strength (σ b/MPa≥ 490 ):
Yield point (σ s/MPa≥ 245 ):
Elongation (δ 5/% ):≤ 22
Section shrinkage (ψof≥ 50 ):
Impact absorbing energy ( Aku2/J ) : 71
Impact toughness ofα kV ( J/cm2 )≥ 88 ( 9):
Brinell hardness ( HBS100/3000 ) ( or high temperature tempering annealing state ):≤ 179