AISI 4140 Alloy Steel Round Bar 42CrMo Rod - Diameter 20-350mm in 6m Length with 655 MPa Tensile Strength
Price:
600-850 USD/Ton
MOQ:
1 Ton
Delivery Time:
5 - 12 days based on the quantity
Brand:
DELTA
Product Description
AISI 4140 Alloy Steel Round Bar
High-strength 42CrMo steel rods available in diameters 20-350mm with standard 6m length or custom cutting options. Certified quality from leading manufacturers including BAOSTEEL, DELTA, DONGBEI, and SHAGANG.
Product Specifications
| Parameter | Specification |
|---|---|
| Diameter Range | 10 - 350 mm |
| Standard Length | 6 meters |
| Material Type | Hot Rolled AISI 4140 / 42CrMo |
| Available Brands | BAOSTEEL, DELTA, DONGBEI, HUAXI, SHAGANG |
| Minimum Order | 1 Ton |
| Delivery Time | 5-7 days for stock materials |
| Standards | ASTM, GB, EN, DIN |
| Primary Applications | Structural and Industrial Components |
Standard Available Diameters
10, 12, 15, 18, 20, 25, 30, 35, 40, 45, 50, 55, 60, 65, 70, 75, 80, 85, 90, 95, 100, 105, 110, 120, 130, 140, 150, 160, 180, 200, 210, 220, 230, 250, 270, 300, 320, 330, 350 mm
Material Characteristics
AISI 4140 alloy steel features excellent strength, hardenability, and toughness with minimal deformation during quenching. This chromium-molybdenum steel offers high creep strength and sustained performance at elevated temperatures.
Chemical Composition
| Element | Content (%) |
|---|---|
| Chromium (Cr) | 0.80 - 1.10 |
| Manganese (Mn) | 0.75 - 1.0 |
| Carbon (C) | 0.380 - 0.430 |
| Silicon (Si) | 0.15 - 0.30 |
| Molybdenum (Mo) | 0.15 - 0.25 |
| Sulfur (S) | 0.040 max |
| Phosphorous (P) | 0.035 max |
| Iron (Fe) | Balance |
Mechanical Properties
| Property | Metric | Imperial |
|---|---|---|
| Tensile Strength | 655 MPa | 95,000 psi |
| Yield Strength | 415 MPa | 60,200 psi |
| Elongation at Break | 25.70% | 25.70% |
| Hardness (Brinell) | 197 | 197 |
| Elastic Modulus | 190-210 GPa | 27,557-30,458 ksi |
Physical Properties
| Property | Metric | Imperial |
|---|---|---|
| Density | 7.85 g/cm³ | 0.284 lb/in³ |
| Melting Point | 1416°C | 2580°F |
| Thermal Conductivity | 42.6 W/mK | 296 BTU in/hr.ft².°F |
Industry Applications
- Automotive components: gears, shafts, axles, pistons, valves
- Construction materials: bolts, nuts, screws
- Tool manufacturing: chisels, punches, taps
- Aerospace and oil & gas equipment
- Agricultural machinery and sporting goods
Product Images
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Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
JIANGSU MITTEL STEEL INDUSTRIAL LIMITED
Location
No.283-1, Youyi Middle Road, Xishan District, Wuxi City, Jiangsu Province
Contact Person
Gao Ben