Basic Info.
Model NO.
forged steel
Special Use
Mold Steel
Application
Auto Parts
Supply Condition
Hot Forged
Steel Shape
Round Bar/Square Bar/Rings
Surface
Black or Bright Surface
Qt Treatment
Avaliable
Other Heat Treatments
Annealling
Main Grade
AISI4140/42CrMo/4340/8620
Free Sample
Yes
Tolerance
-0mm/+0.1mm
Transport Package
Seaworth Packaging
Specification
200-1000mm
Trademark
Shandong
Origin
China
Production Capacity
8000tons
Product Description
AISI4140 42CrMo SCM440 4150 4145 forged steel bar
Grade:4140
Process: Forged from vacuum degassed ingots.
Shape: Round /Square/Plat/shaft/block
Factory Quality Control
PO=>Make production plan(By professional QA team)=>Select perfect raw material(100% checked by Metal Analyzer)=>Cut raw material(marking transfer)=>Heating&forged(production record to control the forge ratio=>HT after forged(Time&TEMP record)=>check black forged(grain size,UT&Sizes)=>rough machining(UT&Sizes)=>Heat treatment(controlled by computers)=>check mechanical property&hardness(universal testing machine&KING hardness tester)=>Semi finish machining(UT,MT&sizes)=>final check(all QC records)=>Packing&warehousing(all docs)=>delivery on time
Our advantage
Grade:4140
Process: Forged from vacuum degassed ingots.
Shape: Round /Square/Plat/shaft/block
| 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 Shaft: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 certificates | ISO901&ISO.TS16949,ISO4001,OHSAS18001 Special Equipment Manufacturing License of P.R.C for pipeline plate,steel plate for boiler&Vessel; ISO/TS16949 2009;Europe CE Mark Certificate;JIS MARK,KS MARK. |
Factory Quality Control
PO=>Make production plan(By professional QA team)=>Select perfect raw material(100% checked by Metal Analyzer)=>Cut raw material(marking transfer)=>Heating&forged(production record to control the forge ratio=>HT after forged(Time&TEMP record)=>check black forged(grain size,UT&Sizes)=>rough machining(UT&Sizes)=>Heat treatment(controlled by computers)=>check mechanical property&hardness(universal testing machine&KING hardness tester)=>Semi finish machining(UT,MT&sizes)=>final check(all QC records)=>Packing&warehousing(all docs)=>delivery on time
Our advantage
- Computer-Aided Design (CAD) System
- Multiple Wire EDM (Electric Discharge Machining) Machines
- Plunge EDM (Solid Electrode Electric Discharge Machining)
- Complete Manufacturing of Carbide Dies
- Contoured Straightener Rolls
- Profile Shape Shear Knives
- Fast Tooling Changes and Modifications
- An Advanced Quality Planning System Used for Prototyping
