SAE4130 4140 4145 Forged Alloy Steel Bar Forging Shaft Block

• Type: Round
• Standard: AISI, ASTM, DIN, JIS, GB
• Composition: Carbon and Alloy Grade
• Technique: Forged
• Shape: Bar
• Surface Treatment: Black Surface or Machining with Bright Surface
• Model NO.: forged steel bar
• Special Use: Mold Steel
• Application: Structural Steel Bar
• Main Material: Carbon or Alloy Steel
• Main Grade: SAE4140 4340 4145 8620 1045 1020
• Supply Condtion: Foregd+Qt/Nomalized+Rough Machining
• Main Usage: Auto Parts/Shafts
• Surface: Black Surface or Bright
• Hardness: According to Client′s Request
• Ut: Guarantee
• Transport Package: Seaworthy Packaging
• Specification: 200mm-1000mm
• Trademark: Shandong
• Origin: China
• Production Capacity: 10000

Product Description

4140 SCM440 42CrMo4 1.7225 Hot Forged Alloy Steel Bar

forging steel round bar
flat bar
forging shafts
forging rings
 

C	Si	Mn	P	S	Cr	Ni	Mo	Cu	V	Al
0.38/0.43	0.15/0.35	0.65/0.85	<=0.025	<=0.025	0.7/0.9	1.65/2.0	0.2/0.3	<=0.2	<=0.05	0.02/0.05

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
• 

Other forging products

Forging shafts with material 4140 

Forging rings with grade 4130


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