AISI 4340 Alloy Steel Seamless Pipe & Tube - 10.3-609mm OD, 0.25-100mm Thickness, ISO 9001 Certified
Price:
610 - 820 USD/Ton
MOQ:
4 Tons
Delivery Time:
5 - 10 days based on the quantity
Brand:
DELTA
Product Description
AISI 4340 Alloy Steel Seamless Pipes & Tubes
Product Specifications
| Grade | AISI 4340, UNS G43400 |
|---|---|
| Outside Diameter | Round: 10.3-609mm | Square: 10×10-1000×1000mm | Rectangular: 10×15-800×1100mm |
| Thickness | 0.25-100mm (customizable) |
| Length | 1-12 meters (customizable) |
| Technique | Hot Rolled / Cold Rolled / Cold Drawn |
| Lead Time | 7-15 days |
| Quality Certificate | ISO 9001 Certified |
Chemical Composition
| Element | Percentage |
|---|---|
| Carbon | 0.38-0.43% |
| Chromium | 0.7-0.9% |
| Nickel | 1.65-2.00% |
| Molybdenum | 0.2-0.3% |
| Manganese | 0.6-0.8% |
| Silicon | 0.15-0.3% |
| Phosphorus | 0.035% max |
| Sulfur | 0.04% max |
| Iron | Balance |
Key Features
- High strength alloy steel with excellent toughness
- Through-hardening capability for large section sizes
- Good combination of ductility and strength after heat treatment
- Excellent fatigue strength for heavily stressed components
- Favorable response to oil quenching and tempering processes
Applications
- Piston pins and bearings
- Gears, dies, and pressure vessels
- Structural components requiring high strength
- Precision machine parts and ordnance equipment
- High-pressure boiler pipes and oil casing systems
Processing Characteristics
- Machinability: Best in annealed or normalized condition
- Forming: Good ductility in annealed state with 3t bend radii
- Welding: Fusion or resistance welding with pre/post heat treatment
- Heat Treatment: Oil quench at 1525°F followed by tempering
- Forging Range: 1800-2250°F
Physical Properties
| Density | 0.28 lb/cu.in. (7.8 SG) |
|---|---|
| Melting Point | 2600°F |
| Thermal Conductivity | 21 |
| Specific Heat | 0.116 Btu/lb/°F |
Product Images
Similar Products
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