Chinese Standard: 20#, 25#, 35#, 45#, 50#, 60#;
Japan Standard: S20C, S25C, S35C, S45C, S55C, S60C;
US Standard: AISI1020, AISI1040, AISI1045, AISI1050;
Europe Standard: CK15, C. 22, C45, CK45, C60, CK60; C45E;
Alloy Steel:
Chinese Standad: 16Mn, 20Mn, 30Mn2, 30Mn5, 40Cr, 42CrMo,
20CrMo, 38CrMoAl, 40CrNiMo; 48CrMo, 5CrNiMo;
Janpan Standard: SCM415, SCM420, SCM440, SNCM439, SNCM220; SACM645
USA Standard: SAE4140, SAE4130, SAE9840, SAE4340, AISI4145H,
SAE4150, SAE8620,
Europe Standard: 42CrMo4, 25CrMo4, 34CrNiMo6, 39CrNiMo3,
17NiCrMo6, 18CrNiMo7-6, S355J2G3, ASTM A105, ST52-3, 16MnCr5,
20MnCr5, 16MnCrS5, 20MnCrS5, 21CrMoV511, 56NiCrMoV7, 18NiCrMo5,
30CrNiMo8, 34NiCrMo16, 41CrAlNi7, 34CrAlNi7, B7, B16, F11,
F12, F22, F5, F9, 51Cr4.
Tool Steel: 1.2714, H13, H11, P20, SKD61;
Delivery condtion: Hot forged+Normalzied+Rough Machined+Q/T
Size: Dia90mm- Dia1200mm.
Steel ingot: EAF+LF+VD.
Ultra-sonic test: As per SEP 1921 Group III C/c, D/d, E/e;
As forged condition straightness: ≤ 4mm/m, RT bar straightness: ≤ 2mm/m
As forged diameter tolerance: -0/+8mm; RT diameter tolerance: -0/+3 mm
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
Quantity: 15MT or double per size
Mill certificate as per EN 10204/3.1. B
Delivery time: Within 60 days
