■ Overview
SA302 Grade D steel plate contains a higher Nickel element in rolling than Boiler steel plate SA302 Grade C.Pressure vessel steel plate owned the same value range in mechanical property for SA302 Grade B and SA302 Grade C,yield strength above 345 Mpa,and tensile strength within 550-690 Mpa.Xinsteel would like to offer MTC under format EN 10204 3.1 or EN 10204 3.2 with third party inspections for SA302 Grade D steel plate.
■ Full Data
Technical Requirements & Additional Services for SA302 Grade D steel plate:
♦ High tension test
♦ Low temperature impacting test
♦ Normalised for thick plates over 40mm
♦ 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 for thick plates over 40mm
♦ 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 SA302GrD steel plate:
Yield strength (≥Mpa) | Tensile strength (Mpa) | Elongation in ≥,% | |
345 | 550-690 | 200mm | 50mm |
17 | 20 |
►Chemical composition for SA302 Grade D steel plate (Product Analysis Max%)
Main chemical elements composition of SA302Grade D | |||||||
Thickness(mm) | C | Si | Mn | P | S | Mo | Ni |
T≤25 | 0.20 | 0.13-0.45 | 1.07-1.62 | 0.035 | 0.035 | 0.41-0.64 | 0.67-1.03 |
25<T≤50 | 0.23 | ||||||
50<T | 0.28 |