ASTM A790 / A789 S31803 / S32750 Duplex Stainless Steel Pipe Cold Rolled ISO
ASTM A790 / A789 S31803 / S32750 Duplex Stainlss Steel Pipe Cold Rolled
| Material Grade | S32205 , S31803 , S32304 , S32750, F51 , F53 , 2205 , 2507 etc |
| Outer Diameter | 10.3mm - 1219mm |
| Wall Thickness | 1.24mm - 25.4mm |
| Length | as per customer’s requirement |
| Standard |
ASTM A789 ; ASTM A790 ; EN 10216-5ect . |
| 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 |
Duplex stainless steel that was developed to combat common corrosion problems encountered with the 300 series
stainless steels . “ Duplex ” describes a family of stainless steels that are neither fully austenitic , like 304 stainless , nor purely ferritic , like 430 stainless . The advantage of a duplex structure is that it combines the favorable qualities of a ferritic alloy ( stress corrosion cracking resistance and high strength ) with those of an austenitic alloy ( ease of fabrication and corrosion resistance ) .
Application:
a) Petroleum
b) Chemical industry
c) Instrument
d) Industrial transportation
e) Mechanical structure industry
f) Need high corrision ability pipe's industry, such as offshore industry etc
| UNS Designation | C | Si | Mn | P | S | Cr | Ni | Mo | N | Cu |
| max | max | max | max | max | ||||||
| S31803 ( F51 ) | 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 ( F60 ) | 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 ( F53 ) | 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 ( F55 ) | 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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