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20MnMoR

20MnMoR Pressure Vessel Steel Plate

 

20MnMo is a low-alloy pressure vessel forged steel, used to manufacture -40 ℃ ~ 470 ℃ pressure vessel components, such as forging. The carbon content of 0.2%, Mn and MO content of less than 1.5%, the chemical composition of the forgings are C, Si, Mn, Mo, Cr, Ni and other alloying elements. Nuclear chemical containers SA508-3cl.2 steel chemical composition is very similar.

 

Chemical Component (Wt,%):

C Si Mn Mo Ni Cr P S Cu
0.17-0.23 0.17-0.37 1.10-1.40 0.20-0.35 ≤0.30 ≤0.30 ≤0.025 ≤0.015 ≤0.25

 

Mechnical Property:

Yield Strength(Mpa) Tensile Strength(Mpa) Elastic (%) Charpy ImpactAKv(10℃)
370 530-700 18 34