Ковка круглых баров 56NiCrMoV7

Hot Forged Round bars; Grade:56NiCrMoV7 Chemical compistion C 0.50-0.60;Mn 0.65-0.95;Si 0.10-0.40;P&S<=0.030; Cr 1.00-1.20;Mo 0.45-0.55;Ni 1.50-1.80;V 0.07-0.12; Delivery condition Hot forged+Normalized+Rough Turned. Grain Size 6-8 Melting process EAF+LF+VD+Ingot casting(bottom poured) Forging reduction ratio ≥4.0:1. Dia. tolerance:-0/+3mm.straightness: max. 2mm/m. Ultra-sonic test:According to Sep1921-84,PG3,D/d. Length:4m and up or fix length according the needs; Manufature Jiangsu Zhuhong Forging Co.,Ltd Other grade that we supply 21CrMoV511,AISI 1045/SAE 1045/S45C, AISI 4130/SAE 4130;56NiCrMoV7 AISI 4140/SAE 4140, AISI 4145/SAE 4145, AISI 4150/SAE 4150, AISI 4340/SAE 4340, AISI 8620/SAE 8620, CK45, EN-8, EN-8D, EN-9, EN-19, EN-24, EN-31, EN-36C, EN-41B, EN-47, 20MnCr5, SAE52100, 42CrMo4, 42CrMo4V,42CrMoS4, 42CrMoS4V, 25CrMo4, 34CrNiMo6, 34CrNiMo6V, 16MnCr5, AISI H-13 Din 1.2344, ,16CrMo44, ASTM A105, LF2, C45, C45N, C60, C60N, S355J2G3 ST 52-3 ,S355J2G3+N, ST52-3+N, 42CrMo4V+HT, 42CrMoS4V, 42CrMoS4V+HT, 42CrMo4V+QT,42CrMoS4V+QT,17CrNiMo6,18CrNiMo7-6, 39CrNiMo3,30CrNiMo8,18CrNiMo5,SNCM439,38CrMoAl;SCM415,SCM420,SCM440,20MnCr5.