Description
42CrMo4/1.7225/SCM440TK/4140 Steel Pipe – Mechanical Tubing – Seamless Alloy Steel Tube
Shape Options:
- Round Pipe: Outer Diameter (O.D): 6 mm – 1200 mm; Wall Thickness (W.T.): 1 mm – 400 mm (Available in Cold Rolled, Cold Drawn, Hot Rolled, and Forged).
- Square Pipe: Side (S): 15 mm – 600 mm; Wall Thickness (W.T.): 1 mm – 100 mm.
- Rectangular Pipe: Side (S): 15 mm – 600 mm; Width (W): 1 mm – 100 mm.
- Profiled Pipe: Manufactured according to customer specifications.
Surface Finishes:
- Options for surface finishes include Smooth, Peeled, Turned, Ground, Polished, and Black.
Inspection Standards:
- Each product undergoes rigorous inspections, including:
- Chemical Composition Analysis
- Mechanical Property Testing
- Hardness Testing
- Ultrasonic Testing
- Magnetic Testing
- Metallographic Examination
- Dimensional and Surface Quality Assessment
Packaging:
- Customized packaging options to meet specific customer requirements.
Minimum Order Quantity (MOQ):
- 2 – 5 tons
Place of Origin:
- Zhejiang/Hubei, China
Applications of 42CrMo4/1.7225/SCM440TK/4140 Steel Pipe
The 42CrMo4/1.7225/SCM440TK/4140 Steel Pipe is versatile and is used in various applications, including:
- Structural Parts: Suitable for making strong and durable structural components.
- Mechanical Parts: Ideal for manufacturing mechanical components.
- Hydraulic Cylinders: Used in hydraulic systems for pressure and fluid transfer.
Quality Standards
Our 42CrMo4/1.7225/SCM440TK/4140 Steel Pipe meets established quality standards, including:
- ASTM A519: Standard Specification for Seamless Carbon and Alloy Steel Mechanical Tubing.
- EN 10297: Seamless Circular Steel Tubes for Mechanical and General Engineering Purposes.
- JIS G3441: Seamless Steel Tubes for General and Engineering Purposes.
All Grades Comparison
| ASTM | EN | JIS | GB |
|---|---|---|---|
| 4140 | 42CrMo4/1.7225 | SCM440TK | 42CrMo |
Chemical Composition (%)
| Steel Grade | C | Si | Mn | P | S | Cr | Mo |
|---|---|---|---|---|---|---|---|
| 4140 | 0.38 – 0.43 | 0.15 – 0.35 | 0.75 – 1.00 | 0.040 max | 0.040 max | 0.80 – 1.10 | 0.15 – 0.25 |
| 42CrMo4 | 0.38 – 0.45 | 0.40 max | 0.60 – 0.90 | 0.025 max | 0.035 max | 0.90 – 1.20 | 0.15 – 0.30 |
| SCM440TK | 0.38 – 0.43 | 0.15 – 0.35 | 0.60 – 0.90 | 0.030 max | 0.030 max | 0.90 – 1.20 | 0.15 – 0.30 |
| 42CrMo | 0.38 – 0.45 | 0.17 – 0.37 | 0.50 – 0.80 | 0.030 max | 0.030 max | 0.90 – 1.20 | 0.15 – 0.25 |
Mechanical Properties
| Condition | Tensile Strength Rm (Mpa) | Yield Strength R2 (Mpa) | Elongation in 2 in or 50 mm A (%) |
|---|---|---|---|
| +HR | 855 min | 621 min | 15 min |
| +SR | 855 min | 689 min | 10 min |
| +A | 552 min | 414 min | 25 min |
| +N | 855 min | 621 min | 20 min |
