Basic Info.
Model NO.
alloy steel bar
Special Use
Roller Shaft
Application
Structural Steel Bar
Mateial
Alloy Steel Bar
Main Grade
Scm420 Scm435 Scm440 4130 4140 4150 42CrMo4 1.7225
Supply Condition
Forged Steel Bar
Surface
Black or Bright Steel Bar
Rough Machining
Qt Heat Treatment
Transport Package
Anti-Rust Packaging
Specification
200-800mm
Trademark
dajin
Origin
China
Production Capacity
2000
Product Description
forged bars SCM440 4140 1.7225 forged alloy steel
SCM440 SCM435 4130 4140 4145 forged bars
1.forged steel 4140 Chemical Composition and alternative grade (%):
2.Forged steel bar 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)
10.Other grade we can supply
4140 Forged steel round bar,4145 forged steel,4340 a105 forged steel,a105 forged steel fittings,astm a105 forged steel,best forged steel anvil,cola 4340 forged steel crankshafts,forged,steel a105,forged steel aisi 4140 properties,4140 forged steel,4140 forged steel,crankshaft position sensor location,4140 forged steel eye bolt,4140 forged steel grades,cold,hammer-forged 4140 chrome-moly steel,forged steel aisi 4140,forged high strength,4140 alloy steel,forging 4140 tool steel,SCM440 forged steel bar,42CrMo4 forged round bar,4150 forged steel,forged parts,alloy forging,hot forging
Our advantage
SCM440 SCM435 4130 4140 4145 forged bars
1.forged steel 4140 Chemical Composition and alternative grade (%):
| Grade | C | Si | Mn | P | S | Cr | Mo |
| 42CrMo4 | 0.38-0.45 | 0.17-0.37 | 0.40-0.70 | ≤0.035 | ≤0.035 | 0.90-1.20 | 0.15-0.25 |
| 1.7225 | 0.38-0.45 | ≤0.40 | 0.60-0.90 | ≤0.025 | ≤0.035 | 0.90-1.20 | 0.15-0.30 |
| 4140 | 0.38-0.43 | 0.15-0.35 | 0.75-1.00 | ≤0.035 | ≤0.040 | 0.80-1.10 | 0.15-0.25 |
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)
10.Other grade we can supply
4140 Forged steel round bar,4145 forged steel,4340 a105 forged steel,a105 forged steel fittings,astm a105 forged steel,best forged steel anvil,cola 4340 forged steel crankshafts,forged,steel a105,forged steel aisi 4140 properties,4140 forged steel,4140 forged steel,crankshaft position sensor location,4140 forged steel eye bolt,4140 forged steel grades,cold,hammer-forged 4140 chrome-moly steel,forged steel aisi 4140,forged high strength,4140 alloy steel,forging 4140 tool steel,SCM440 forged steel bar,42CrMo4 forged round bar,4150 forged steel,forged parts,alloy forging,hot forging
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
