A516 Gr 70 PVQ Carbon Steel Plate
ASTM A516 boiler vessel plate is sedated steel, and should meet the requirements of ASTM A20/A20M standard fine austenite grain size. The thickness of ASTM A516 boiler vessel plate is limited only by the ability of the chemical composition to meet the requirements of the specified mechanical properties. However, the thickness of Grade 55 plate is normally limited to 305 mm. The thickness of Grade 60, 65 and 70 plates is limited to 205 mm.
A516 Gr70 Boiler Steel Plate Chemical Composition
| Property | Value | Condition | Related Standards | Shape |
|---|---|---|---|---|
|
Carbon |
0.27 % |
As-Rolled or Normalized and/or Stress Relieved |
ASTM A516 |
Plate |
|
Manganese |
0.85 - 1.2 % |
As-Rolled or Normalized and/or Stress Relieved |
ASTM A516 |
Plate |
|
Phosphorus |
0.025 % |
As-Rolled or Normalized and/or Stress Relieved |
ASTM A516 |
Plate |
|
Silicon |
0.15 - 0.4 % |
As-Rolled or Normalized and/or Stress Relieved |
ASTM A516 |
Plate |
|
Sulfur |
0.025 % |
As-Rolled or Normalized and/or Stress Relieved |
ASTM A516 |
Plate |
A516 Gr70 Pressure Vessel Steel Plate Mechanical Property
| Property | Value | Condition | Related Standards | Shape | Comment |
|---|---|---|---|---|---|
|
Elastic modulus |
190 - 210 GPa |
Typical for Steel |
|||
|
Elongation |
17 % |
As-Rolled or Normalized and/or Stress Relieved |
ASTM A516 |
Plate |
A200 |
|
18.1 % |
Predicted Value, A80 |
||||
|
18.7 % |
Predicted Value, Transverse |
||||
|
19.8 % |
Predicted Value, A80 Transverse |
||||
|
21 % |
As-Rolled or Normalized and/or Stress Relieved |
ASTM A516 |
Plate |
A50 |
|
|
22.6 % |
Predicted Value |
||||
|
Poisson's ratio |
0.3 [-] |
Typical for Steel |
|||
|
Reduction of area |
42.4 % |
Predicted Value |
|||
|
43.1 % |
Predicted Value, Transverse |
||||
|
Shear modulus |
79.6 GPa |
Predicted Value |
|||
|
Shear strength |
505.7 MPa |
Predicted Value |
|||
|
Tensile strength |
485 - 620 MPa |
As-Rolled or Normalized and/or Stress Relieved |
ASTM A516 |
Plate |
a516 gr70 pressure vessel steel plate Thermal coefficient
| Property | Value | Comment |
|---|---|---|
|
Coefficient of thermal expansion |
11.87 1/K |
Predicted Value |
|
Specific heat capacity |
457.4 J/(kg·K) |
Predicted Value |
|
Thermal conductivity |
39.62 W/(m·K) |
Predicted Value |
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