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SAE4130 4140 4340 Forged Alloy Steel Shafts Forged Steel Bar

China SAE4130 4140 4340 Forged Alloy Steel Shafts Forged Steel Bar, Find details about China 4140 Forging, 4140 Forged Steel from SAE4130 4140 4340 Forged Alloy Steel Shafts Forged Steel Bar

Model NO.
forged steel bar
Special Use
Cold Heading Steel, Mold Steel
Application
Structural Steel Bar
Main Grade
SAE1045 A105 4140 4130 4150 4340 8620
Heat Treatment
Qt/Normalized/Annealing
Ready Stock
Yes
Delivery Time
30days
Toerlance of Rough Machining
-0/+0.5mm
Trademark
Shandong
Transport Package
Seaworthy Packaging
Specification
200mm-1000mm
Origin
China
Model NO.
forged steel bar
Special Use
Cold Heading Steel, Mold Steel
Application
Structural Steel Bar
Main Grade
SAE1045 A105 4140 4130 4150 4340 8620
Heat Treatment
Qt/Normalized/Annealing
Ready Stock
Yes
Delivery Time
30days
Toerlance of Rough Machining
-0/+0.5mm
Trademark
Shandong
Transport Package
Seaworthy Packaging
Specification
200mm-1000mm
Origin
China
SAE4130 4140 forged steel shafts  forged steel bar with QT
Alloy Steel Round Bar 4140/Aisi 4140 Round Bar,1.7225 Steel,4140 Round Steel Bar
1.4140 42CrMo SCM440 steel rod Chemical Composition (%):
GradeCSiMnPSCrMo
42CrMo40.38-0.450.17-0.370.40-0.70≤0.035≤0.0350.90-1.200.15-0.25
1.72250.38-0.45≤0.400.60-0.90≤0.025≤0.0350.90-1.200.15-0.30
41400.38-0.430.15-0.350.75-1.00≤0.035≤0.0400.80-1.100.15-0.25
2.4140 alloy steel bar avaliable sizes
Commodity delivery conditionDimensions
Hot rolled steel round bars10mm to 350mm
Forged steel round bars200mm to 800mm
Forged steel square block200mm*200mm to 500mm*500mm
Forged steel flat block(150mm to 500mm)*(200mm to 500mm)
Hot rolled and peeled or turned steel bright bars20mm to 800mm
SAE4130 4140 4340 Forged Alloy Steel Shafts Forged Steel BarSAE4130 4140 4340 Forged Alloy Steel Shafts Forged Steel Bar
4.42CrMo4 steel bar delivery condition:
Hot rolled or forged, Peeled or black surface, annealed or QT.
4.4140 SCM440 steel bar applications:
Statically and dynamically stressed components for vehicles, engines and machines. For parts of larger cross-sections, crankshafts, gears.
5.1.7225 42CrMo4 steel round bar heat treatment:
Soft annealing: heat to 680-720°C, cool slowly.
Hardness after annealing: Max. 241 HB
Hardening: 820 - 850 °C
Normalizing temperature: 840-880°C
Tempering: 540-680°C
6.SCM400 4140 steel bar  inspection:
Spectral Tested, Microstructure Tested,Hardness Test,Macrostructure Test,Ultrasonic according to the test standards:SEP1921-84,GR.3 CLASS C/C
7.Steel bar packing situation:  
standard seaworthy packing or as customer required
8. 4140 steel bar delivery time:  
always ready stock shipped within 7days,30 days for new material
9. 42CrMo4 alloy steel bar production process:  
EAF+LF+VD ( necessary) +UT+ Peeled(optional)  +Turned (optional) + Heat Treatment (optional)
10.Our service
With dynamic and passionate professional sales team and technical team,Our company Dajin make great efforts to integrate China's steel resources and dedication to customers the provision of specialized steel products and services.Hope establish a good relationship with clients, growth together.

Forged steel round bar cutting 
SAE4130 4140 4340 Forged Alloy Steel Shafts Forged Steel BarSAE4130 4140 4340 Forged Alloy Steel Shafts Forged Steel Bar

Hot forging of forged steel alloy bars


SAE4130 4140 4340 Forged Alloy Steel Shafts Forged Steel BarSAE4130 4140 4340 Forged Alloy Steel Shafts Forged Steel BarSAE4130 4140 4340 Forged Alloy Steel Shafts Forged Steel BarSAE4130 4140 4340 Forged Alloy Steel Shafts Forged Steel Bar
Forged steel round bars with grade 4130 4140 4150 4340 8620 en24 en19 
SAE4130 4140 4340 Forged Alloy Steel Shafts Forged Steel BarSAE4130 4140 4340 Forged Alloy Steel Shafts Forged Steel BarSAE4130 4140 4340 Forged Alloy Steel Shafts Forged Steel BarSAE4130 4140 4340 Forged Alloy Steel Shafts Forged Steel Bar

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