Commodity:  round bar  AISI4140/42.

Grade: SKD61 CK45, CK60, S355J2G3, A105, ST52-3,4140/42 ,4130, 4340, 42CrMo4V, 41AlCrMo7, 21CrMoV5-11, 34CrNiMo6, 30CrNiMo8, 39NiCrMo3, 18CrNiMo7-6, 1.2714, 1.2344, 1.2343, H13, H11, O1, S7, 304L, 316L, 321, etc.  

Ingot melting: EAF + LF + VD

As forged condition straightness: ≤4mm/m,  RT bar straightness: ≤2mm/m

Ultra-sonic test: as per SEP 1921 Group III C/c or D/D

Grain size: as per ASTM E112-96 Grade 5 or finer for normalized/annealed/QT condition

Non-metal inclusion: as per ASTM E45 A/B/C/D heavy  ≤2, thin  ≤2.5

 Mill certificate as per EN 10204:2004 3.1

Application: auto manufacturing, shipping building, aerospace industry, petrochemical plant, auto-power, wind-engine, metallurgical machinery, precision tools, etc.  

 Delivery condition: forged, forged + rough machined, forged + finish machined, annealed, normalized, quenched & tempered, solution treated, etc.

 Size: dia.150mm to dia.900mm.

 Length: 3.m to 12m.

Weight: max. 30MT/piece