Basic Info.
Model NO.
forged steel bar
Special Use
Cold Heading Steel, Mold Steel
Application
Machine Parts/Shaft
Main Grade
4140 1045 Ck45 A105 4150 4340 8620 etc.
Heat Treatment
Qt/Normalized/Annealing
Ready Stock Grade
4140 1045
Delivery Time of New Bars
30days
Dia Tolerance
-0/+0.5mm
Cutting Service
Yes
Transport Package
Seaworthy Pacakging
Specification
200mm-1000mm
Trademark
Shandong
Origin
China
Production Capacity
5000tons
Product Description
SAE4140 EN24 EN19 forged steel round bars forging steel
Forged steel round bar
Forged steel square bar
forged shafts
forging rings
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
Forged steel round bar
Forged steel square bar
forged shafts
forging rings
| 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
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