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Chemical composition of P355GH boiler plate steel plate

P355GH boiler plate under EN10028-2 standard is a non-alloy steel material with elevated temperature properties. It is equal to Chinese steel grade Q345R and Japanese steel grade SPV36. The maximum thickness can reach 300mm if it meets the European standard flaw detection level.
P355GH steel specifications: thickness * width * length: (8—300) * (1500—4020) * (5000—1880)
 
P355GH steel chemical composition
C: 0.10-0.22, Si≤0.60, Mn: 1.10-1.70, P≤0.025, S≤0.010, N≤0.012, Cr≤0.30, Cu≤0.30, Mo≤0.08, Nb≤0.040, Ni≤0.30, Ti≤ 0.03, V≤0.02.
 
Delivery status: Hot rolled, controlled rolled or normalized/AR, CR or N.
 
P355GH boiler plate has good plasticity, toughness, cold bending performance and welding performance, and is suitable for manufacturing nuclear island steel containment, pressure vessel and equipment components.
 
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