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■ Overview
Under steel specification ASTM A203/A203 M and SA203/SA203M, there are Nickel alloy A203 Grade D,A203GrD steel plate,A203GrD steel sheet.The steel plate A203 Grade D intended primarily for welded pressure vessels. As a steel making practice, the steel shall be killed and shall conform to fine grain size requirements.Generally, for steel grades SA203 grade A,SA203 Grade B and SA203 Grade D and SA203 Grade E,the heat treatment shall be done Normalized.For pressure vessel steel plate SA203 Grade F,the heat treatment shall be Quenched and Tempered.
■ Full Data
Technical Requirements & Additional Services for A203GRD 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 D steel plate:
| Yield strength (≥Mpa) | Tensile strength (Mpa) | Elongation in ≥,% | |
| 255 | 450-585 | 200mm | 50mm |
| 19 | 23 | ||
►Chemical composition for A203 Grade D steel plate (Heat Analysis Max%)
| Main chemical elements composition of A203 Grade D steel plate | ||||||
| Thickness(mm) | C | Si | Mn | P | S | Ni |
| T≤50 | 0.17 | 0.15-0.40 | 0.70 | 0.035 | 0.035 | 3.25-3.75 |
| 50<T | 0.20 | 0.80 | ||||
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