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A709 Gr50 A709 Grade 50 Bridge building steel plate
Source:Xin Steel Industry Date:2015/06/29
A709 Gr50 A709 Grade 50 Bridge steel plate
Steel Grade: ASTM A709 Grade 36,A709 Grade 50
Relative steel grades:A709 Gr.36,A709 Gr.50,A709 Gr.36T,A709 Gr.50T,A709 Gr.50W,A709 Gr.50S,A709 Gr.HPS 70W,A709 Gr.HPS 50W,A709 Gr.HPS 100W.
Main application: These carbon and high-strength low alloy steel structural shapes, plates and bars and quenched and tempered alloy steel for structural plates intended for use in bridges
Rolling range: Thickness*Width*Length 5-450mm*1500-4200mm*5000-18000mm
Surface Treatment:Shop primer painting under SA2.5 standard
Test: Low temperature impacting test,Ultrasonic examination,Normalized,Quenched and Tempered,NACE,HIC,SSCC and Third party inspections by end user.
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►Mechnical property for A709 Grade 50 low alloy steel:
|
Yield strength (≥Mpa) |
Tensile strength (≥Mpa) |
Elongation in ≥,% | |
|
345 |
450 |
200mm |
50mm |
|
18 |
21 | ||
►Chemical composition for A709Gr50 low alloy steel (Heat Analysis Max%)
|
Main chemical elements composition of A709Gr50 | ||||||
|
Thickness(mm) |
C |
Si |
Mn |
P |
S |
Cu (Min) |
|
T≤10 |
0.23 |
0.40 |
0.50-1.35 |
0.04 |
0.05 |
0.20 |
|
10<T≤40 |
0.80-1.35 | |||||
|
40<T |
0.15-0.40 | |||||