09MnNiDR pressure vessel steel plate mechanical properties

Steel grade: 09MnNiDR
Steel classification: MnNiDR steel
Product name: pressure vessel steel plate
09MnNiDR pressure vessel steel plate executive standard: GB3531, ultrasonic inspection standard according to GB/T2970.

09MnNiDR steel plate delivery status: normalizing or normalizing + tempering. The specific delivery status shall be indicated in the MTC.

09MnNiDR pressure vessel steel plate chemical composition:
Note: the actual chemical composition is subject to the steel manufacturer's MTC.
C≤0.18%, Si 0.15-0.50%, Mn 1.20%-1.60%, P≤0.20%, S≤0.012%, Nb≤0.04%, Ni 0.80-1.20%, Alt≥0.020%

09MnNiDR steel plate mechanical property:
Note: the actual mechanical property is subject to the steel manufacturer's MTC.
09MnNiDR tensile strength（ σ b/MPa）：440-580
09MnNiDR yield point（ σ s/MPa）：≧265
09MnNiDR elongation after fracture（ δ 5/%）：≧22
09MnNiDR impact temperature: - 70 °C
09MnNiDR impact energy Akv (J): ≥ 34
09MnNiDR sample size: sample blank size is 18mm