42CrMo4 Scm440 SAE4140 Alloy Steel Bar 18nicrmo7-6 H13 Forged Steel
Model NO.
alloy steel bar
Special Use
Shaft
Application
Structural Steel Bar
Material
Alloy Steel Bar or Carbon Grade
Grade
1045 4140 4150 Scm440
Surface
Black or Bright
Supply Condition
Hot Forging
Transport Package
Seaworthy Packaging
Specification
200-800mm
Trademark
dajin
Origin
China
HS Code
72285000
Production Capacity
50000
Reference Price
$ 828.00 - 846.00
Description
Product Description
Forged Alloy Steel Round Bar 4140 1.7225
Hot forging steel bar
Forged parts
SCM440 SCM435 4130 4140 4145 forged bars
1.Chemical Composition (%):
2.Available sizes:
Round: Dia. 1 6 - 1000mm
16 mm-3 5 0mm 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)
Hot forging steel bar
Forged parts
SCM440 SCM435 4130 4140 4145 forged bars
1.Chemical Composition (%):
| 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. 1 6 - 1000mm
16 mm-3 5 0mm 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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