4140 42CrMo4 4150 Forged Alloy Round Steel Bar Forging Steel for Surger Company

• Customization: Available
• Type: Round
• Standard: AISI, ASTM, DIN, JIS, GB
• Model NO.: forged steel bar
• Composition: Alloy Steel
• Technique: Forged
• Shape: Block, Flat Bar, Round or Square
• Surface Treatment: Rough Machining or Black Surface
• Special Use: Mold Steel
• Application: Structural Steel Bar
• Forged Steel Bar Usage: Roller Shaft
• Main Grade: En24 En19 4340 4140 1045 1020 42CrMo Scm440
• Raw Material: Steel Ingot or Steel Bloom
• Ut Guarantee: Yes
• Factory Visiting: Yes
• Transport Package: Seaworhty Packaging
• Specification: 200mm-1000mm
• Trademark: Shandong
• Origin: China
• Production Capacity: 5000tons

Product Description

Forged alloy round steel bar
4340 42CrMo4 4145 4150 8620 alloy steel bar
steel bar
EN24 EN19 forging steel bar 
forging shafts roller shaft

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

Forged alloy round steel bar EN24 EN19 4340 42Crmo4 4150
 

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 for Manufacturing of Special steel;Europe CE Mark Certificate;JIS MARK,KS MARK.

alloy steel bar QT



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