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high quality ASTM A516 Grade 70 steel

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ASTM A516 Grade 70 steel excellent at low temperature and good notch toughness is one of the most proper steels for heat exchanger, boilers and pressure vessels. ASTM A516 Grade70 steel plate is mainly used in a large number of pressure applications. The customers who use the plates for utilization in the oil, gas and natural gas industry, we can meet the customers’ needs in the technical quality.

ASTM A516 Grade 70 steel

Chemical Composition of ASTM A516 Grade 70

Carbon (C) % Manganese (Mn) % Phosphorus (P) %
12.5mm or less
12.5 - 50mm
50 - 100mm
100 - 200mm
> 200mm
0.27
0.28
0.30
0.31
0.31
12.5mm or less
• Heat Analysis :
• Product Analysis :
Over 12.5mm
• Heat Analysis :
• Product Analysis :

0.85-1.20
0.79-1.30

0.85-1.20
0.79-1.30
(max) 0.035
Sulphur (S) % Silicon (Si) %  
(max) 0.035       • Heat Analysis :
• Product Analysis :
0.15-0.40
0.13-0.45

Mechanical Properties of ASTM A516 Grade 70

Mechanical Properties Grade 70
Tensile strength (ksi)
Tensile strength (MPa)
Yield strength (ksi)
Yield strength (MPa)
Elongation in 200mm (min)(%)
Elongation in 50mm (min) (%)
Thickness (max)(mm)
70-90
485-620
38
260
17
21
205
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