+86 371 55057610 
inquiry@xsteelplate.com
■ Overview
ASME SA299 Grade B steel plate supplying with yield strength above 325 Mpa and tensile strength within 550-690 Mpa.Xinsteel stock SA299 Grade B steel materials as SA299GRB steel plate,SA299GrB steel sheet,SA299GrB steel pipe with various dimensions.
■ Full Data
Technical Requirements & Additional Services for SA299 Grade B 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 SA299 Grade B steel plate:
| Thickness (mm) | Yield strength (≥Mpa) | Tensile strength (Mpa) | Elongation in ≥,% | |
| T≤25 | 325 | 550-690 | 200mm | 50mm |
| 25<T | 310 | 16 | 19 | |
►Chemical composition for SA299 Grade B steel plate (Product Analysis Max%)
| Main chemical elements composition of SA299 Grade B | |||||
| Thickness(mm) | C | Si | Mn | P | S |
| T≤25 | 0.28 | 0.13-0.45 | 0.84-1.52 | 0.035 | 0.035 |
| 25<T | 0.30 | 0.84-1.62 | |||
Tel：+86 371 55057610 
Fax： +86 371 5505 7611