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ASTM A789 Super Duplex Stainless Steel Tube
| Model No. : | ASTM A789 S32304 |
|---|---|
| Brand Name : | TORICH |
| standard : | Astm |
Ningbo, Zhejiang, China
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Product description
ASTM A789 Super Duplex Stainless Steel Tube
Material
The ASTM A789 specification covers seamless and welded super duplex stainless steel tubes for general corrosive service. These tubes are particularly designed for applications in aggressive environments where resistance to crevice corrosion, pitting, and stress corrosion cracking is essential.
Specification
The ASTM A789 standard encompasses various grades of super duplex stainless steel tubes, including S31803 (2205), S32205, S32750, and S32760. It outlines the chemical and mechanical properties, as well as the dimensions and tolerances for these tubes.
Chemical Composition
| Element | S31803 (2205) | S32205 | S32750 | S32760 |
|---|---|---|---|---|
| Carbon | 0.030 max | 0.030 max | 0.030 max | 0.050 max |
| Manganese | 2.00 max | 2.00 max | 1.20 max | 1.00 max |
| Phosphorus | 0.030 max | 0.030 max | 0.035 max | 0.030 max |
| Sulfur | 0.020 max | 0.020 max | 0.020 max | 0.010 max |
| Silicon | 1.00 max | 1.00 max | 0.80 max | 1.00 max |
| Chromium | 21.00-23.00 | 22.00-23.00 | 24.00-26.00 | 24.00-26.00 |
| Nickel | 4.50-6.50 | 4.50-6.50 | 6.00-8.00 | 6.00-8.00 |
| Molybdenum | 2.50-3.50 | 3.00-3.50 | 3.00-5.00 | 3.00-4.00 |
| Nitrogen | 0.08-0.20 | 0.14-0.20 | 0.24-0.32 | 0.20-0.30 |
Mechanical Properties
| Grade | S31803 (2205) | S32205 | S32750 | S32760 |
|---|---|---|---|---|
| Tensile Strength (MPa) | 620 min | 655 min | 800 min | 750 min |
| Yield Strength (0.2% Offset) (MPa) | 450 min | 450 min | 550 min | 550 min |
| Elongation (%) | 25 min | 25 min | 15 min | 25 min |
| Hardness (HBN) | 293 max | 293 max | 310 max | 310 max |
Application
The ASTM A789 Super Duplex Stainless Steel Tubes find widespread application in various industries such as chemical processing, oil and gas exploration, desalination plants, marine environments, petrochemical plants, and in instances where high strength and exceptional corrosion resistance are necessary. The distinctive properties of these tubes make them suitable for use in aggressive environments, offering robust performance and extended service life.
Q: Are you trading company or manufacturer ?
A: manufacturer,also can do trading.
Q: How long is your delivery time?
A: Generally speaking,it is 10-15 days if the goods are in stock,or it is 30-40 days if the goods are not in stock, it is according to quantity.
Q: Do you provide samples? is it free or extra ?
A: Yes, we could offer the sample for free charge but need pay the cost of freight.
Q: What is your terms of payment ?
A: Payment<=2000USD, 100% in advance. Payment>=2000USD, 30% T/T in advance ,balance before shippment.
If you have another question, pls feel free to contact with me.
Ningbo, Zhejiang, China
- Distributor/Wholesaler
- Manufacturer
- Service
- Trade Company
- OEM service
- Gold Supplier
- Platform Certification
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