... .85~1.15≤0.025≤0.025≤0.30 Mettal mechanical property of welding seamσb(MPa)σs(MPa)δ5 (%)AKV(J ... , metallurgical equipment production, bridges, civil works, petrochemical industry, production of pressure vessels of boilers, locomotive vehicles, etc. At present, the production and ... Metal (%) CMnSiSPCu0.071.270.760.0140.0150.15Mechanical Properties of Deposited Metal Test ItemRm(MPa)ReLRp0.2(Mpa)A(%)KV2( ...