A387GR11 Steel Plates For Boilers And Pressure Vessels
A387GR11 steel Product Introduction
SA387 Gr11 is a chromium-molybdenum alloy steel plate for pressure vessels in the American standard, and the implementation standard is: ASME SA-387/SA-387M-2019
SA387Gr11 is a grade of chromium-molybdenum alloy steel plate for pressure vessels in the steel plate. It has the performance of preventing hydrogen embrittlement, hydrogen corrosion, hydrogen stripping, and sulfide corrosion in the hydrogen environment at medium temperature (350 ~ 480 ℃), and has good low temper brittleness. The standards implemented by this steel plate are American standard ASME and ASTM standards. The delivery state is mostly in the normalized state, and it can also be delivered in hot rolling, controlled rolling or quenching and tempering states.
A387GR11 Steel plate Product Details
ASTM A38 7grade11 steel chemical composition
| Grades | C | Mn | S | P | Si | Cr | Ni | Cu | Mo | Nb+V+Ti |
| A387gr11 | 0.05- 0.17 |
0.40- 0.65 |
0.035 max |
0.035 max |
0.15- 0.40 |
0.80- 1.15 |
- | - | 0.45- 0.60 |
- |
ASTM A387grade 11 steel Mechanical properties
| Grade |
Permissible yield point ratio |
Yield Strength MPa(min) |
Tensile Strength MPa |
Elongation % (min) |
| A387gr11 | - | 242 | 415-585 | 22 |
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