■ Overview
High yield strength S620QL,S620QL steel plate,S620QL steel sheet under EN 10025-6 owned the minimum yield strength at 620 Mpa and tensile strength within 700-890 Mpa.The necessary technical requirement when rolling steel plate S620QL contains quenching and tempering heat treatment,low temperature impacting test under minus 40 centigrade.The additional technical has Ultrasonic examination.Xinsteel roll structural steel plate S620QL completely under steel standard EN 10025-6 and would issue the original mill test certificate under format EN 10204 3.1.
■ Full Data
Technical Requirements & Additional Services for S620QL steel plate:
♦ Low temperature impacting test
♦ Quenching and Tempering heat treatment
♦ Ultrasonic test under EN 10160,ASTM A435,A577,A578
♦ 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
♦ Low temperature impacting test
♦ Quenching and Tempering heat treatment
♦ Ultrasonic test under EN 10160,ASTM A435,A577,A578
♦ 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 S620QL steel plate:
Thickness (mm) | |||
S620QL | ≥ 3 ≤ 50 | > 50 ≤ 100 | > 100 |
Yield strength (≥Mpa) | 620 | 580 | 560 |
Tensile strength (Mpa) | 700-890 | 700-890 | 650-830 |
►Chemical composition for S620QL steel plate (Heat Analysis Max%)
Main chemical elements composition of S620QL steel plate | |||||||
C | Si | Mn | P | S | N | B | Cr |
0.20 | 0.80 | 1.70 | 0.020 | 0.010 | 0.015 | 0.005 | 1.50 |
Cu | Mo | Nb | Ni | Ti | V | Zr | |
0.50 | 0.70 | 0.06 | 2.0 | 0.05 | 0.12 | 0.15 |