ASTM A387 CL1,CL2 steel plate/sheet,ASTM A387 grade 12 CL1/A387 grade 12 CL2 steel plate/sheet, under ASTM standard, we can regard A387 gr.11 CL1/A387 gr.11 CL2 steel plate/sheet for steel with Cr., Mo.,Cr-Mo steels used for high temperature and pressure vessels.
ASTM A387 CL1,CL2 steel grade is a kind of steel which with Cr., Mo.,Cr-Mo which is mainly used for high temperature and pressure vessels.The steel grade A387 gr 12 CL1/A387gr 12 CL2 is according to ASTM standard .The followings are the chemical composition and mechanical properties of ASTM A387CL1/A387CL2 steel plate.
A387CL1/A387CL2 steel chemical composition
| C | Mn | S | P | Si | Cr | Ni | Cu | Mo | Nb+V+Ti |
| 0.05- 0.21 |
0.55-0.80 | 0.035 max |
0.035 max |
0.15-0.40 | 050-0.80 | - | - | 0.45- 0.60 |
- |
| - | - | - | - | - | - | - | - | - | - |
A387CL1/A387CL2 steel Mechanical properties
| Permissible yield point ratio |
Yield Strength MPa(min) |
Tensile Strength MPa |
Elongation % (min) |
| - | 228 | 380-550 |
22 |
| - | 310 | 485-620 | 22 |
A387 CL1,CL2 steel covers chromium-molybdenum Alloy steel plates for welded boilers and pressure vessels designed for elevated temperature service. A387 steel considered under this specification are available in grades 2, 12, 11, 22, 22L, 21, 21L, 5, 9 and 91. The steel materials shall be killed and shall be thermally treated. A387 gr11/12 CL1/2 steel shall undergo heat analysis and product analysis and shall conform to the chemical requirements for carbon, manganese, phosphorus, sulfur, silicon, chromium, molybdenum, nickel, vanadium, columbium, boron, nitrogen, aluminum, titanium, and zirconium. A387 gr11/12 CL1/2 steel shall also undergo tension tests and shall conform to the required values of tensile strength, yield strength, and elongation.
we also can supply A387gr11,A387gr12,please contact us if you need
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