Jiaxing MT stainless steel co.,ltd.
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Bright Annealed ASTM 789 UNS S31803 Stainless Duplex Steel Tube
Duplex Steel Tube:
Duplex steels have a mixed microstructure with about equal proportions of ferrite and austenite. Duplex stainless steels are a family of grades, which range in corrosion performance depending on their alloy content.
Duplex Steel Tube Basic Information:
| Item | Description | |
| Basic Information | Material Grade | S32205 , S31803 , S32304 , S32750 , F51 , F53 , 2205 , 2507 etc |
| Outer Diameter | 3.18mm - 101.6mm | |
| Wall Thickness | 0.5mm - 20mm | |
| Length | Normally fixed length 6m , can as per customer’s requirement | |
| Standard | ASTM A789 ; ASTM A790 ; EN 10216-5 ect . | |
| Process Method | Cold Drawn or Cold Rolled | |
Duplex Steel Tube Terms & Conditions :
1 . Price Term : FOB , CFR , CIF or as negotiation
2 . Payment : T / T , L / C or as negotiation
3 . Delivery time : 30 working days after received your deposit ( Normally according to the order quantity )
4 . Package : Iron case ; woven bag or as per customer’s requirement
5 . Quality Requirement : Mill Test Certificate will be supplied with shipment , Third Part Inspection is acceptable
Duplex Steel Tube Chemical Composition:
| UNS Designation | C | Si | Mn | P | S | Cr | Ni | Mo | N | Cu |
| max | max | max | max | max | ||||||
| S31803 | 0.03 | 1 | 2 | 0.03 | 0.02 | 21.0 - 23.0 | 4.5 - 6.5 | 2.5 - 3.5 | 0.08 - 0.20 | - |
| S32205 | 0.03 | 1 | 2 | 0.03 | 0.02 | 22.0 - 23.0 | 4.5 - 6.5 | 3.0 - 3.5 | 0.14 - 0.20 | - |
| S32750 | 0.03 | 0.8 | 1.2 | 0.035 | 0.02 | 24.0 - 26.0 | 6.0 - 8.0 | 3.0 - 5.0 | 0.24 - 0.32 | 0.5 max |
| S32760 | 0.05 | 1 | 1 | 0.03 | 0.01 | 24.0 - 26.0 | 6.0 - 8.0 | 3.0 - 4.0 | 0.20 - 0.30 | 0.50 -1.00 |
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