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ASTM A656 Grade 70|A656 Gr.70|A656 Gr70 steel plate
| Gangsteel Grade : | A656 Grade 70 | 
| Specification: | Thickness 8mm-200mm, Width: 1500-4020mm, Length: 3000-27000mm | 
| Standard: | ASTM A656 Standard Specification for High-Strength Low-Alloy Columbium-Vanadium Structural Steel | 
| Approval By Third Party | ABS, DNV, GL, CCS, LR , RINA, KR, TUV, CE | 
| Classification: | Normalized rolled weldable fine grain structural steels | 
Gangsteel is specialized in supplying ASTM steel plate in A656 Grade 60 .For more information of A656 Grade 50 steel plates, please check them in following:
Chemical composition % of the Product analysis of grade A656 Grade 70
| A656 Grade 70 Chemical Composition | ||||||||
| Grade | The Element Max (%) | |||||||
| C | Si | Mn | P | S | V | Ni | Co | |
| A656 Grade 70 | 0.18 | 0.6 | 1.65 | 0.025 | 0.035 | 0.08 | 0.020 | 0.10 | 
AThe contents of columbium and vanadium shall additionally be in accordance with one of the following:
columbium 0.008-0.10 % with vanadium <0.008 %;
columbium <0.008 % with vanadium 0.008-0.15 %; or
columbium 0.008-0.10 % with vanadium 0.008-0.15 % and columbium plus vanadium not in excess of 0.20 %.
Mechanical properties of grade A656 Grade 70
| Grade | Thickness(mm) | Min Yield (Mpa) | Tensile(MPa) | Elongation(%) | 
| A656 Grade 70 | 8mm-50mm | 415Mpa | 485Mpa | 14% | 
| 50mm-200mm | 415Mpa | 485Mpa | 17% | 
Related grades A565 Gr.50|A565 Gr.60| A565 Gr.70 |A565 Gr.80
Gangsteel Grade : A656 Grade 50 Specification: Thickness 8mm-200mm, Width: 1500-4020mm, Length: 3000-27000mm St
Gangsteel Grade : A656 Grade 70 Specification: Thickness 8mm-200mm, Width: 1500-4020mm, Length: 3000-27000mm St
Gangsteel supply Grade : A656 Grade 80 Specification: Thickness 8mm-200mm, Width: 1500-4020mm, Length: 3000-27
ASTM A656 Grade 60|A656 Gr.60|A656 Gr60 steel plate Gangsteel Grade : A656 Grade 60 Specification: Thickness 8m