AISI 5140 SCH40 Seamless Steel Pipe 8-680mm OD with 1-120mm Wall Thickness ASTM A519 Alloy Tube
Price:
600 - 800 USD/Ton
MOQ:
2 Tons
Delivery Time:
5 - 12 days based on the quantity
Brand:
DELTA
Product Description
Product Overview
AISI 5140 SCH40 seamless steel pipe manufactured to ASTM A519 standards, designed for demanding industrial applications requiring superior mechanical properties and dimensional precision.
Technical Specifications
| Parameter | Specification |
|---|---|
| Material Grade | AISI 5140 (1.7035) |
| Outer Diameter Range | 8mm to 680mm |
| Thickness Range | 1mm to 120mm |
| Length Tolerance | +/- 5mm |
| Surface Treatment | Polishing, annealing, pickling, bright |
| Manufacturing Process | Cold/hot rolling |
Material Properties
Chemical Composition
| Element | Content (%) | Element | Content (%) |
|---|---|---|---|
| Carbon (C) | 0.38-0.43 | Manganese (Mn) | 0.70-0.90 |
| Silicon (Si) | 0.15-0.35 | Phosphorus (P) | ≤0.025 |
| Sulfur (S) | ≤0.040 | Chromium (Cr) | 0.70-0.90 |
| Molybdenum (Mo) | ≤0.06 | Nickel (Ni) | ≤0.25 |
Heat Treatment Parameters
| Process | Temperature Range (°C) |
|---|---|
| Hot Working | 1050-850 |
| Annealing | 680-720 |
| Normalizing | 840-880 |
| Quenching | 820-850 (water), 830-860 (oil) |
| Tempering | 540-680 |
Key Features
- Excellent hardenability and mechanical properties
- Superior fatigue strength and toughness
- Good machinability in normalized or tempered condition
- High-frequency quenching capability
- Precision dimensional tolerances: OD +/-0.5mm, thickness +/-0.05mm
Applications
- Machine tool gears and shafts
- Automotive mechanical components
- Piston bolts, spindles, and camshafts
- Oil pump rotors and sliding blocks
- Industrial structural applications
International Equivalents
| Country | Standard | Grade |
|---|---|---|
| USA | ASTM/AISI/UNS/SAE | 5140 / G51400 |
| Germany | DIN, WNr | 41Cr4 / 1.7035 |
| China | GB | 40Cr |
| Japan | JIS | SCr440 |
Product Images
Quality Assurance
All pipes undergo comprehensive testing including squash test, extended test, water pressure test, and crystal rot test to ensure compliance with international standards including ASTM A213, A312, A269, GB/T8162-2018, and DIN 17456.
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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