J607RH J607QR J757Ni J857CrNi 高强钢焊条

牌号型号AWS熔敷金属化学成分(wt.%)熔敷金属机械性能CMnSiSPCrNiMoV其他R m(MPa)ReL(MPa)A(%)KV2(J)PWHTJ607RHE6215-N2M1E9015-G≤0.120.70-1.50≤0.80≤0.015≤0.020—0.80-1.500.10-0.40——≥620≥530≥17-40℃≥54620℃×1hJ607QRE6215-N5M1E9015-G≤0.120.60-1.20≤0.80≤0.015≤0.020—2.0-2.75≤0.30——≥620≥530≥17-60℃≥54580℃×6hJ757NiE7615-GE11015-G≤0.10≥1.00≤0.60≤0.020≤0.020≤0.202.00-2.600.40-0.70——≥760≥670≥15-50℃≥54620℃×1hJ857CrNiE8315-GE12015-G≤0.101.30-2.25≤0.60≤0.020≤0.0200.30-1.501.75-2.500.30-0.55≤0.05—≥830≥740≥12-50℃≥54620℃×1h