■ Overview
A299 Grade A,A299GrA steel plate,A299GrA steel sheet for pressure vessel used are specification for carbon steel and Manganese-Silicon.As for A299 Grade A steel plate which produced from steel coil SA299 Grade A and furnished without heat treatment or just with stress relieving only,the additional requirements,including additional testing requirements and the reporting of additional test results shall be applied for A20/A20M steel standard.
■ Full Data
Technical Requirements & Additional Services for A299GrA 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 A299 Grade A steel plate:
►Chemical composition for A299 Grade A steel plate (Product Analysis Max%)
Thickness (mm) | Yield strength (≥Mpa) | Tensile strength (Mpa) | Elongation in ≥,% | |
T≤25 | 290 | 515-655 | 200mm | 50mm |
25<T | 275 | 16 | 19 |
►Chemical composition for A299 Grade A steel plate (Product Analysis Max%)
Main chemical elements composition of A299 Grade A steel plate | |||||
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 |