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| Port | Shanghai |
| Packaging | Woven bag, wooden case or as per customer's requirement. |
| Lead Time | 30 |
Duplex stainless steels are extremely corrosion resistant, work hardenable alloys. Their microstructures consist of a mixture of austenite and ferrite phases. As a result, duplex stainless steel display properties characteristic of both austenitic and ferritic stainless steel. This combination of properties can mean some compromise when compared with pure austenitic and pure ferritic grades.
Duplex stainless steels are in most cases, tougher than ferritic stainless steel Strengths of duplex stainless steel can in some cases be double that for austenitic stainless steel.
Whilst duplex stainless steels are considered resistant to stress corrosion cracking, they are not as resistant to this form of attack as ferritic stainless steel. However, the corrosion resistance of the least resistant duplex stainless steel is greater than that for the most commonly used grades of stainless steel, i.e. 304 and 316.
| Stainless Duplex Steel Pipe A789 S32750 SAF2507 SA789 S31803 SAF2205 | |
| Outside Diameter | 6-203mm |
| Wall Thickness | 0.5-25mm |
| Length | Up to 25m |
| Standard | ASTM A789, A790, etc. |
| Grade | S32304/S31803/S32205/S32750/S31260/S32550/S32760,S32707,etc. |
| Delivery Condition | Pickled, Polished, Bright Annealed |
| Technique | Seamless/Welded |
| Application | Heat Exchanger, Heater, Condenser, Machining, Bearing Machining, API Service… |
| Marking | LOGO, Standard, Grade, Size, Heat Number. |
| Package | Woven bag, wooden case, or as per customer's requirement. |
| Quality Requirement | Mill Test Certificate (EN 10204/3.1); Third Part Inspection is acceptable. |
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