AISI 4140 Alloy Steel Round Bar 10-300mm Diameter 95,000 PSI Tensile Strength Chromium Molybdenum
Price:
600-885USD/Ton
MOQ:
1 Ton
Delivery Time:
5 - 12 days based on the quantity
Brand:
DELTA
Product Description
AISI 4140 Alloy Steel Round Bar Specifications
| Parameter | Value |
|---|---|
| Diameter Range | 10 - 300mm |
| Standard Length | 6 meters (custom cutting available) |
| Manufacturing Type | Hot Rolled |
| Available Brands | BAOSTEEL, DELTA, DONGBEI, HUAXI, SHAGANG |
| Minimum Order Quantity | 1 Ton |
| Standard Delivery Time | 5-7 days for stock materials |
| Applicable Standards | ASTM, GB, EN, DIN |
AISI 4140 Steel Grade Overview
AISI 4140 is a versatile chromium-molybdenum alloy steel known for its exceptional toughness, high fatigue strength, and superior abrasion and impact resistance. This low-alloy steel is widely used across multiple industries due to its excellent mechanical properties and hardenability.
Key Manufacturing Advantages
- 1500+ tons daily stock of 4140 alloy plate and flat bar
- Available in hot rolled, annealed, and quenched & tempered conditions
- Thickness range: 4-300mm (1-3 days shipment)
- Cold rolled sheets: 1-10mm thickness (30 days lead time)
- Custom cutting services: width and length customization
- Precision machining to tolerance and surface roughness requirements
Mechanical Properties
AISI 4140 steel delivers outstanding performance characteristics:
- Tensile Strength: Approximately 95,000 psi
- High toughness and ductility
- Superior hardenability
- Excellent fatigue strength
- Good low-temperature impact toughness
Chemical Composition
| Element | Content (%) |
|---|---|
| Carbon (C) | 0.38-0.43 |
| Chromium (Cr) | 0.80-1.10 |
| Manganese (Mn) | 0.75-1.00 |
| Silicon (Si) | 0.15-0.30 |
| Molybdenum (Mo) | 0.15-0.25 |
| Sulfur (S) | 0.040 max |
| Phosphorus (P) | 0.035 max |
| Iron (Fe) | Balance |
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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