Shandong, China
Business Type:
Trading Company
Business Range:
Manufacturing & Processing Machinery
Management System Certification:
ISO 9001, ISO 9000
OEM/ODM Availability:
Yes
OEM/ODM Service
Sample Available

Forging Alloy Round Steel Bar, AISI 4340 Round Steel Bar, AISI 4340 Round Bar manufacturer / supplier in China, offering Forging Alloy Round Steel Bar/ AISI 4340 Round Steel Bar/ AISI 4340 Round Bar, Scm415 Scm420 Scm435 Scm440 JIS Alloy Steel Round Bars, Astma193 B7 4140 5140 Gr10.9 Qt Steel Bar for High Tensile Bolts and so on.

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Supplier Homepage Products Black surface steel bar Forged steel bar Forging Alloy Round Steel Bar/ AISI 4340 Round Steel Bar/ AISI 4340 Round Bar
  • Forging Alloy Round Steel Bar/ AISI 4340 Round Steel Bar/ AISI 4340 Round Bar
  • Forging Alloy Round Steel Bar/ AISI 4340 Round Steel Bar/ AISI 4340 Round Bar
  • Forging Alloy Round Steel Bar/ AISI 4340 Round Steel Bar/ AISI 4340 Round Bar
  • Forging Alloy Round Steel Bar/ AISI 4340 Round Steel Bar/ AISI 4340 Round Bar
  • Forging Alloy Round Steel Bar/ AISI 4340 Round Steel Bar/ AISI 4340 Round Bar
  • Forging Alloy Round Steel Bar/ AISI 4340 Round Steel Bar/ AISI 4340 Round Bar

Forging Alloy Round Steel Bar/ AISI 4340 Round Steel Bar/ AISI 4340 Round Bar

Get Latest Price
Min. Order / Reference FOB Price
10 Yards US $700-900/ Yard
Port: Qingdao, China
Production Capacity: 2000tons
Payment Terms: L/C, T/T, D/P, Western Union
Type: Round
Standard: AISI, ASTM, DIN, JIS, GB
Composition: Alloy Steel Bar
Technique: Forged
Shape: Bar
Surface Treatment: Black Surface or Rough Machine

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Basic Info

Model NO.
steel bar
Special Use
Free Cutting Steel, Mold Steel
Application
Structural Steel Bar
Supply Condition
Hot Forged or Qt
Forged Shaft
Rough Machine
Main Material
Carbon or Allloy
Main Grade
4140 4340 4150 4145 8620
Cutting Service
Yes
Forging Rings
Yes
Trademark
Shandong
Transport Package
Seaworth Packaging
Specification
200mm-1000mm
Origin
China
Forged steel round bars
EN19 EN24 froged round steel bars
Hot forging shafts
Alloy Steel Round Bar 4140
 1.7225
1.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.Available sizes:
Round: Dia. 16 - 1000mm
16mm-350mm with hot rolled supply condition;
200-1000mm with forged supply condition
3.Delivery condition: Hot rolled or forged, Peeled or black surface, annealed or QT.
4.Applications:
Statically and dynamically stressed components for vehicles, engines and machines. For parts of larger cross-sections, crankshafts, gears.
5.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. Inspection: 100% Ultrasonic according to the test standards:SEP1921-84,GR.3 CLASS C/C
7. Packing situation:  standard seaworthy packing or as customer required
8. Delivery time:  30 days after order confirmed 
9. Process:  EAF+LF+VD ( necessary) +UT+ Peeled(optional)  +Turned (optional) + Heat Treatment (optional)

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         forged steel bar/en19 forged steel bars/en24 forged steel bar/forging shafts/forging ring
Forging Alloy Round Steel Bar/ AISI 4340 Round Steel Bar/ AISI 4340 Round Bar
Forging Alloy Round Steel Bar/ AISI 4340 Round Steel Bar/ AISI 4340 Round Bar
Forging Alloy Round Steel Bar/ AISI 4340 Round Steel Bar/ AISI 4340 Round Bar
Forging Alloy Round Steel Bar/ AISI 4340 Round Steel Bar/ AISI 4340 Round Bar

 

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