A516 Grade 70 Boiler Steel Plate are mainly used in welded pressure vessels where improved notch toughness is important.Generally As rolled is ok for rolling A516Gr70 pressure vessel steel plate,however,for improve steel property and toughness,BBN Steel engineers suggest the end users accept rolling A516 Grade 70 steel plates under Normalized,especially for the steel plates thickness above 40mm.NACE MR-0175 A516 Grade 70 also offered by BBN Steel with HIC test and SSCC test.
ASTM A516 Grade 70 Steel Plate Specification:
Thickness:3-150mm
Width:1220-4200mm
Length:5000-18000mm
ASTM A516 Grade 70 Steel Plate Chemical Composition
| Carbon(C) |
% |
Manganese(Mn) |
% |
Phosphorus(P) |
% |
12.55mm 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 |
ASTM A516Gr70 Steel Plate Mechanical Properties
| Description |
Grade70 |
Tensile Strength(Ksi)
Tensile Strength(MPa)
Yield Strength(Ksi)
Elongation in 200mm(min.%)
Elongation in 50mm(min.%)
Thickness(max/min) |
70-79
485-620
38
260
17
21
205 |
A516GR70 steel materials are widely used in the application fields including oil, gas and petrochemical industries to provide manufacturing support for industrial boilers and pressure vessel manufacturers.
BBN Steel as the most popular ASTM A516Gr70 Steel Plate suppliers,we only provide qualified ASTM A516Gr70 Steel Plate products with the best quality and reasonable price for our customers.If you are interested in our products,please feel free to contact us.
