+86 371 55057610 
inquiry@xsteelplate.com
■ Overview
High strength Q370R,Q370R steel plate,Q370R boiler plate shall be done Normalized heat treatment normally when rolling.The ultrasonic examination is necessary for all pressure vessel steel plates.The ultrasonic test grade and standard for Q370R steel plate can be choosed end users when making orders.
■ Full Data
Technical Requirements & Additional Services for Q370R steel plate:
♦ High tension test
♦ Cutting and welding as per end user’s demands
♦ 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
♦ Ultrasonic test under GB/T2970,JB4730,EN 10160,ASTM A435,A577,A578
♦ High tension test
♦ Cutting and welding as per end user’s demands
♦ 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
♦ Ultrasonic test under GB/T2970,JB4730,EN 10160,ASTM A435,A577,A578
■ Techicals
►Mechnical property for Q370R Pressure vessel steel plate:
| Thickness (mm) | ||||||
| Q370R | > 3 ≤ 16 | > 16 ≤ 36 | > 36 ≤ 60 | >60 ≤ 100 | >100 ≤ 150 | >150 |
| Yield strength (≥Mpa) | 370 | 360 | 340 | 340 | 340 | 340 |
| Tensile strength (Mpa) | 530-630 | 520-620 | ||||
►Chemical composition for Q370R Pressure vessel steel plate(Heat Analysis Max%)
| Main chemical elements composition of Q370R steel plate | |||||
| C | Si | Mn | P | S | Nb |
| 0.18 | 0.55 | 1.20-1.60 | 0.025 | 0.015 | 0.015-0.050 |
Tel：+86 371 55057610 
Fax： +86 371 5505 7611