What material is 12MnNiVR pressure vessel plate

12MnNiVR pressure vessel plate executive standard: GB/T3531
Ultrasonic inspection standard: GB/T2970
Delivery status: hot rolled or normalized + tempered, the specific delivery status should be indicated in the MTC.

12MnNiVR pressure vessel plate chemical composition:
Note: The actual chemical composition is subject to the steel plant warranty.
C: 0.09, Si: 0.26, Mn: 1.45, P: 0.008, S: 0.002, Cr: 0.04, Mo: 0.23, V: 0.042, Nb: 0.0232, Ni: 0.22, Ceq: 0.41, Ti: 0.015

Range of mechanical properties of 12MnNiVR pressure vessel plate:
Note: The actual mechanical properties are subject to the steel plant warranty.
Tensile strength of 12MnNiVR pressure vessel plate (σb/MPa): 640
Yield point of 12MnNiVR pressure vessel plate (σs/MPa): 555
12MnNiVR vessel plate elongation after fracture (δ5/%): ≧22
12MnNiVR steel plate impact energy Akv (J): ≥56
12MnNiVR plate sample size: sample blank size is 16mm