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■ Overview
Nickel alloy pressure vessel A203 Grade A,A203GrA steel plate,A203GrA steel sheet under ASTM A203/A203M steel specification.Generally when rolling A203 Grade A pressure vessel steel plate,the heat treatment shall be Normalized,if the end user demands,Xinsteel also can do Tempered for boiler steel plate A203 Grade A,the minimum tempering temperature shall be above 595 centigree,and the tempered time shall be above half an hour.Besides,the general technical requirements shall be followed with steel standard (S)A20/(S)A20M.
■ Full Data
Technical Requirements & Additional Services for A203GrA steel plate:
♦ High tension test
♦ Low temperature impacting test
♦ 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
♦ 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 A203 Grade A steel plate:
►Chemical composition for A203 Grade A steel plate (Heat Analysis Max%)
| Yield strength (≥Mpa) | Tensile strength (Mpa) | Elongation in ≥,% | |
| 255 | 450-585 | 200mm | 50mm |
| 19 | 23 | ||
►Chemical composition for A203 Grade A steel plate (Heat Analysis Max%)
| Main chemical elements composition of A203 Grade A steel plate | ||||||
| Thickness(mm) | C | Si | Mn | P | S | Ni |
| T≤50 | 0.17 | 0.15-0.40 | 0.70 | 0.035 | 0.035 | 2.10-2.50 |
| 50<T | 0.20 | 0.80 | ||||
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