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■ Overview
A387Gr12CL1 steel plate owned minimum yield strength at 275 Mpa,and tensile strength within 450-585 Mpa for pressure vessel used.Pressure vessel steel plate SA387 Grade 12 CL 1 is in American standard ASME SA 387/SA 387M.Boiler steel plate A387 Grade 12 Cl 1 are according to ASTM A387/A387M.These steel materials also shall conform to steel specification A 20/A 20M.These requirements outline the testing and retesting methods and procedures,permissible variations in dimensions and weight,quality and repair of defects,marking,loading,etc.
■ Full Data
Technical Requirements & Additional Services for A387Gr12Cl1 steel plate:
♦ High tension test
♦ Low temperature impacting test
♦ Normalised and Tempered Heat treatment
♦ Simulated post-welded heat treatment (PWHT)
♦ Rolling under standard NACE MR-0175 (HIC+SSCC)
♦ Issued Orginal Mill test certificate under EN 10204 FORMAT 3.1/3.2
♦ Shot blasting and Painting,Cutting and welding as per end user’s demands
♦ High tension test
♦ Low temperature impacting test
♦ Normalised and Tempered Heat treatment
♦ Simulated post-welded heat treatment (PWHT)
♦ Rolling under standard NACE MR-0175 (HIC+SSCC)
♦ Issued Orginal Mill test certificate under EN 10204 FORMAT 3.1/3.2
♦ Shot blasting and Painting,Cutting and welding as per end user’s demands
■ Techicals
►Mechnical property for A387Gr12Cl1 boiler steel plate:
| Yield strength (≥Mpa) | Tensile strength (Mpa) | Elongation in ≥,% | |
| 230 | 380-550 | 200mm | 50mm |
| 18 | 22 | ||
►Chemical composition for A387 Grade 12 Cl1 boiler steel plate(Product Analysis Max%)
| Main chemical elements composition of A387Gr12Cl1 steel plate | ||||||
| C | Si | Mn | P | S | Mo | Cr |
| 0.04-0.17 | 0.13-0.45 | 0.35-0.73 | 0.035 | 0.035 | 0.40-0.65 | 0.74-1.21 |
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