SAE4140 1.7225 SCM440 42CrMo Alloy Mechanical Strcuture Round Steel
China SAE4140 1.7225 SCM440 42CrMo Alloy Mechanical Strcuture Round Steel, Find details about China alloy steel, steel plate from SAE4140 1.7225 SCM440 42CrMo Alloy Mechanical Strcuture Round Steel
Basic Info.
Model NO.
SAE4140/42CrMo/1.7225/SCM440
Size
Diameter: 20-450mm
Delivery condition
hot rolled black surface
Delivery Times
7days
Condition
stock
Shape
Round bar
Quality Assurance
100% UT passed
Trade term
FOB/CIF
Trademark
customized
Transport Package
Standard/Customized
Specification
standard/customized
Origin
China
HS Code
7228300000
Model NO.
SAE4140/42CrMo/1.7225/SCM440
Size
Diameter: 20-450mm
Delivery condition
hot rolled black surface
Delivery Times
7days
Condition
stock
Shape
Round bar
Quality Assurance
100% UT passed
Trade term
FOB/CIF
Trademark
customized
Transport Package
Standard/Customized
Specification
standard/customized
Origin
China
HS Code
7228300000
Product Desciption
SAE4140 1.7225 SCM440 42CrMo Alloy Mechanical Strcuture Round Steel
1. Chemical Composition
2. Heat Treatment
3. Features
C. Good hardenability
4. Stock Size
6. Application
1. Chemical Composition
| Grades | C | Si | Mn | P | S | Cr | Mo | Cu | Ni |
| 4140 | 0.38-0.45 | 0.17-0.37 | 0.5-0.8 | ≤0.035 | ≤0.035 | 0.9-1.2 | 0.15-0.25 | ≤0.3 | ≤0.035 |
| 42CrMo | 0.38-0.45 | 0.17-0.35 | 0.5-0.8 | ≤0.035 | ≤0.035 | 0.9-1.2 | 0.15-0.25 | ≤0.03 | ≤0.03 |
| 440 | 0.38-0.43 | 0.15-0.35 | 0.6-0.85 | ≤0.03 | ≤0.03 | 0.9-1.2 | 0.15-0.3 | ≤0.3 | ≤0.25 |
2. Heat Treatment
| Quenching | Tempering | ||||
| Heating Temperature/ºC | Cooling | Hardness/HRC | Heating Temperature/ºC | Cooling | Hardness/HRC |
| 820-840 | Oil | ≥53 | 450-650 | Air | 25-40 |
3. Features
A.Belong to the ultra-high strength steel
B. High strength and toughness C. Good hardenability
4. Stock Size
| Plate | Thickness | 20-120mm |
| Width | 2200mm | |
| Length | 4000-10000mm | |
| round bar | Diameter | 16-450mm |
| Length | 4000-10000mm |
5. Product photos
6. Application
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