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ASTM A789 Stainless Steel Duplex Tube With Good Impact Toughness
SSDST20 - ASTM A789 1.4462 / S32205 Stainless Steel Duplex Tube With Good Impact Toughness
Price: From $5500-8000USD/TON
Material: S32205, S31803, 1.4462;
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ASTM A789 1.4462 / S32205 Stainless Steel Duplex Tube With Good Impact Toughness
Material Grade: S32205 , S31803 , S32304 , S32750, F51 , F53 , 2205 , 2507 etc
Outer Diameter: 3.18mm - 101.6mm
Wall Thickness: 0.5mm - 20mm
Length: as per customer's requirement
Standard: ASTM A789 ; ASTM A790 ; EN 10216-5 etc.
| 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 |
| Price Item | FOB, CFR, CIF or as negotiation |
| Payment | T/T, LC or as negotiation |
| Delivery Time | 30 working days after received your deposit (Normally according to the order quantity) |
| Package | Iron case; woven bag or as per customer’s requirement |
| Quality Requirement | Mill Test Certificate will be supplied with shipment, Third Part Inspection is acceptable |
| Test | NTD(Ultrasonic test, Eddy Current test); |
| Mechanical Test(Tension Test, Flaring Test, Flattening Test, Hardness Test, Hydraulic test); | |
| Metal Test(Metallographic Analysis, Impact Test-High/low temperature); | |
| Chemical Analysis(Photoelectric Emission Spectroscopic) | |
| Main Market | Europe, Middle East, Southeast Asia, South America. etc |
Features :
1 . Outstanding resistance to pitting and crevice corrosion in seawater and other chloride containing environments, with critical pitting temperature exceeding 50°C
2 . Excellent ductility and impact strength at both ambient and sub-zero temperatures
3 . High resistance to abrasion, erosion and cavitation erosion
4 . Excellent resistance to stress corrosion cracking in chloride containing environments
5 . ASME approval for pressure vessel application
Super duplex stainless such as duplex is a mixed microstructure of austenite and ferrite which has improved strength over ferritic and austenitic steel grades . The main difference is super duplex has a higher molybdenum and chromium content which gives the material greater corrosion resistance . Super duplex has the same benefits as its counterpart - it has lower production costs when compared with similar ferritic and austenitic grades and due to the materials increased tensile and yield strength , in many cases this gives the purchaser the welcomed option of purchasing smaller thicknesses without the need to compromise on quality and performance .
VIP SERVICE
VR (Virtual) Mill Introduction
Professional Remote Technical Guidanceion
Accept Third-party Inspection
Door to Door Shipment
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