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■ Overview
ASME SA515Gr70 steel plate and SA515Gr70 steel sheet owned tensile strength within 485-620 Mpa,and the minimum yield strength shall be above 260 Mpa.SA515 Grade 70 steel plate shall be supplied to Specification ASME SA 20/SA 20M and SA 515/SA 515M.
■ Full Data
Technical Requirements & Additional Services for SA515 Grade 70 steel plate:
♦ Charpy V-nocth impacting test
♦ Simulated post-welded heat treatment (PWHT)
♦ Rolling under standard NACE MR-0175 (HIC+SSCC)
♦ Shot blasting comply to SA2.5 and Painting with shop primer
♦ Normalized heat treatment for steel plates thickness over 40mm
♦ Issued Orginal Mill test certificate under EN 10204 FORMAT 3.2 with third party insepction witness
♦ Charpy V-nocth impacting test
♦ Simulated post-welded heat treatment (PWHT)
♦ Rolling under standard NACE MR-0175 (HIC+SSCC)
♦ Shot blasting comply to SA2.5 and Painting with shop primer
♦ Normalized heat treatment for steel plates thickness over 40mm
♦ Issued Orginal Mill test certificate under EN 10204 FORMAT 3.2 with third party insepction witness
■ Techicals
►Mechnical property for SA515 Grade 70 boiler steel plate
| Yield strength (Mpa) | Tensile strength (Mpa) | Elongation in ≥,% | |
| 260 | 485-620 | 200mm | 50mm |
| 17 | 21 | ||
►Chemical composition for SA515 Grade 70 boiler steel plate (Product Analysis Max%)
| Main chemical elements composition of SA515 Grade 70 | |||||
| Thickness(mm) | C | Si | Mn | P | S |
| T≤25 | 0.24 | 0.13-0.45 | 0.98 | 0.025 | 0.025 |
| 25<T≤50 | 0.27 | ||||
| 50<T≤100 | 0.29 | ||||
| T>100 | 0.31 | ||||
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