When we talk about Gr.70 plate, it always means ASTM A516 Gr 70 steel plate, Gr.70 plate is its trade name. ASTM A516 Gr 70 steel plate is PVQ plate and is highly popular among various industrial applications. ASTM A516 Gr 70 steel plate is commonly used to fabricate the low-to-medium boilers, pressure vessels, and various processing equipment.
ASTM A516 Gr 70 steel plate chemical composition:
| Composition |
Percentage % |
Composition |
Percentage % |
| C |
0.18 |
Cu |
0.3 |
| Si |
0.4 |
Ni |
0.3 |
| Mn |
0.95/1.50 |
Mo |
0.08 |
| P |
0.015 |
Nb |
0.01 |
| S |
0.008 |
Ti |
0.03 |
| Al |
0.02 (Min) |
V |
0.02 |
| Cr |
0.3 |
- |
- |
ASTM A516 Gr 70 steel plate mechanical properties:
| Properties |
Value |
| Tensile strength (N/mm2) |
415- 580 Mpa |
| Yield stress/ min (N/mm2) |
265 Mpa |
ASTM A516 Gr 70 steel plate is used throughout the oil and gas, chemical and power generation industry and can be tested to exceed your specified requirements. HIC Testing is one such requirement as ASTM A516 Gr 70 steel plate is used commonly in sour service/ wet h2s corrosive environments and so knowing how susceptible ASTM A516 Gr 70 steel platel will be to hydrogen sulphide corrosion is imperative.
