631 Alloy Stainless Steel Precision Pipe 3-800mm Diameter with 1140-1230 MPa Tensile Strength
Price:
Negotiable
MOQ:
1ton
Delivery Time:
5-15 days
Product Description
631 Alloy Stainless Steel Pipe Overview
631 alloy stainless steel (0Cr17Ni7Al/SUS631) is a semi-austenitic precipitation hardening stainless steel offering exceptional strength, hardness, and corrosion resistance for demanding industrial applications.
Material Composition
Carbon (C) ≤0.09%, Silicon (Si) ≤1.00%, Manganese (Mn) ≤1.00%, Sulfur (S) ≤0.030%, Phosphorus (P) ≤0.035%, Chromium (Cr) 16.00-18.00%, Nickel (Ni) 6.50-7.75%, Copper (Cu) ≤0.50%, Aluminum (Al) 0.75-1.50%
Performance Characteristics
- High Strength & Hardness: Tensile strength reaches 1140 MPa after 565°C aging treatment and 1230 MPa after 510°C aging treatment
- Excellent Corrosion Resistance: Maintains performance in various corrosive environments
- Superior Fatigue Resistance: Withstands repeated stress for long-term stability
Product Specifications
| Parameter | Specification |
|---|---|
| Diameter Range | 3mm to 800mm |
| Length | 1 to 12 meters |
| Available Materials | 201, 202, 304, 304L, 316, 316L, 321, 431, 416, 630, 17-4PH, S31803 (F51), S32205 (F60), S32750 (F53), S32760 (F55) |
| Standards | ASTM 276, ASTM A564, ASTM A582, ASTM A484 |
| Surface Finishes | Bright, peeled, CNC machined, polished, black |
| Diameter Tolerance | H9, H11, H13, K9, K11, K13 (customizable) |
| Length Tolerance | 0/+50mm |
| Heat Treatment | Solution treated |
Application Areas
- Aerospace: Aircraft engine parts, landing gear, structural components
- Medical Equipment: Surgical instruments, implants requiring high strength and corrosion resistance
- Automotive Manufacturing: High-performance engine parts, transmission systems
- Industrial Applications: Shipbuilding, marine shafts, propeller shafts, transmission shafts, bolts & nuts, machinery, food industry, paper mill equipment
Frequently Asked Questions
Q1. Can I have a sample order for stainless steel products?
Yes, we welcome sample orders to test and check quality. Mixed samples are acceptable.
Q2. What about the lead time?
Samples take 3-5 days, production time takes 7-15 days for orders over 28 tons.
Q3. Do you have any MOQ limit for stainless steel products order?
Low MOQ - 1 piece for sample checking.
Q4. How do you ship and how long does it take to arrive?
Samples: DHL, UPS, FedEx or TNT (3-5 days). Mass products: Airline and sea shipping available.
Q5. Is it OK to print my logo on the product?
Yes, OEM and ODM services available.
Q6. Do you provide guarantee for the product?
Yes, we provide 5-10 years warranty for our products.
Q7. How to deal with the failure?
Our products undergo strict quality control with a defective rate below 0.2%.
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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
Shandong Lanchuan Iron and Steel Co., LTD
Location
Room 801-2, Building 4, Zone 3, Hanyu Financial Business Center, High-tech Zone, Jinan City, Shandong Province
Contact Person
kerr