A302 Grade A is a manganese-molybdenum alloy steel plate material specified under the ASTM A302/A302M standard, primarily used for welded boilers and other pressure vessels.
| Main chemical elements composition of A302Grade A steel plate | ||||||
| C | P | S | ||||
| T<=25 | 0.20 | 0.13-0.45 | 0.87-1.41 | 0.035 | 0.035 | 0.41-0.64 |
| 25<> | 0.23 | |||||
| 50<> | 0.25 | |||||
Mechnical property for A302GrA steel plate:
| 310 | 515-655 | 200mm | 50mm |
| 15 | 19 | ||
Technical Requirements & Additional Services for A302 GRA steel plate:
1,High tension test
2, Low temperature impacting test
3, Normalised for thick plates over 40mm
4,Simulated post-welded heat treatment (PWHT)
5, Rolling under standard NACE MR-0175 (HIC+SSCC)
6,Issued Orginal Mill test certificate under EN 10204 FORMAT 3.1/3.2
7,Shot blasting and Painting,Cutting and welding as per end user's demands
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