| Similar grade in different standard | SAE4140/1.7225/SCM440/42CrMo4/42CrMo | 
| Available sizes | 
Forged steel round bar
:200mm-800mm
 Forged steel square:block200mm*200mm-500mm*500mm Forged steel flat block (150mm-500mm)*(200mm-500mm) Forged Shaf t:according to client's drawing,we also can supply drawing according to client's requirement  | 
| Production Process | EAF+LF+VD ( necessary) +forged+UT+ rough machined(optional) +UT+ Heat Treatment (optional)+UT+Precision machining | 
| Delivery condition | 
Forged+black surface
 Forged+rough machined Forged+rough turned+QT/annealed/normalized  | 
| Heat treatment: | Normalized / Annealed / Quenched / tempered (optional) | 
| Applications | 
Statically and dynamically stressed components for vehicles, engines and machines. For parts of larger cross-sections, crankshafts, gears.
 | 
| Inspection | Spectral Tested, Microstructure Tested,Hardness Test,Macrostructure Test,100% UT test according to :SEP1921-84,GR.3 CLASS C/c or D/d | 
| Packing situation | standard seaworthy packing or as customer required | 
| Delivery time | 7days for stock,30days for new material | 
| Payment term | T/T or L/C | 
| Our mill 's certificate s | 
ISO901&ISO.TS16949,ISO4001,OHSAS18001
 Special Equipment Manufacturing License of P.R.C for pipeline plate,steel plate for boiler&Vessel; ISO/TS16949 2009 for Manufacturing of Special steel;Europe CE Mark Certificate;JIS MARK,KS MAk  |