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4140 1.7225 Scm440 42CrMo4 4130 4340 Sugar Company Forged Alloy Steel

Price $900.00
Min Order 10 Tons
Availability In Stock
Shipping From Shandong, China
Popularity 442 people viewed
Model NO.:
Round Steel Bar
Type:
Round
Standard:
AISI, ASTM, DIN, JIS, GB, BS
Composition:
Alloy Steel
Technique:
Forged
Shape:
Bar
Surface Treatment:
Black or Rough Machine
Special Use:
Cold Heading Steel, Mold Steel
Application:
Structural Steel Bar
Main Material:
Forged Alloy Steel or Carbon Steel Grade
Main Grade:
SAE4140 4150 4340 8620 1045 A105
Heat Treatment:
Qt/Normalized/Annealing
Tolerance:
-0/+0.5mm
Trademark:
Shandong
Transport Package:
Seaworthy Packaging
Specification:
200mm-1000mm
Origin:
China
Product Description
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

3.Production process




4.42CrMo4 steel bar d
elivery 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.
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