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Superduplex stainless steels have a very high resistance to localized corrosion in chloride media, combined with a high mechanical strength. The series consists of three grades: UR 2507 (EN 1.4410), UR 2507Cu (EN 1.4507) with addition of copper for enhanced resistance in sulfuric acid media, and UR 2507W (1.4501), with tungsten additions for enhanced localized corrosion resistance. The corrosion resistance of these grades is better than UR 904 and comparable to 6Mo austenitics.
All these steels have a pitting resistance equivalent number, PREN, above 40, and a minimum guaranteed yield strength of 550 MPa, allowing for leaner design in load bearing applications.
The alloy composition, including molybdenum and nitrogen additions, has been optimized to obtain a 50/50 austeno-ferritic microstructure with outstanding corrosion resistance even for heavy plates.
The URANUS 2507 series of duplex grades provide cost-efficient alternatives for a wide range of applications, including offshore, phosphoric and sulfuric acid production as well as flue gas cleaning.
Duplex Stainless 2507cu Applications
▪ Pharmaceutical Equipment
▪ Chemical Equipment
▪ Sea Water Equipment
▪ Heat Exchangers
▪ Condensers
▪ Pulp and Paper Industry
▪ Off-Shore Oil Drilling Companies
▪ Power Generation
▪ Petrochemicals
▪ Gas Processing
▪ Specialty Chemicals
▪ Pharmaceuticals
2507cu Standards
| Grade | EN | ASTM/UNS | |
| UR2507Cu | 1.4507 | X2CrNiMoCuN 25-6-3 | S32520/32550 |
Duplex Stainless 2507Cu Chemical Composition
| C | Si | Mn | P | S | Cr | Ni | Mo | N | Cu |
| ≤0.04 | ≤1.0 | ≤1.5 | ≤0.04 | ≤0.03 | 24-27 | 4.5-6.5 | 2.9-3.9 | 0.1-0.25 | 1.5-2.5 |
| °C | Rp 0.2 MPa | Rp 1.0 MPa | Rm MPa | °F | YS 0.2% KSI | YS 1.0% KSI | UTS KSI | A/El% |
| 20 | 550 | 570 | 770 | 68 | 78 | 83 | 111 | 25 |
| 100 | 485 | 500 | 700 | 212 | 70 | 72 | 102 | 25 |
| 250 | 400 | 420 | 640 | 500 | 57 | 61 | 92 | 25 |
| 2507Cu stainless steel pipe sizes and specifications | |
| Grade | 2507Cu |
| Stainless steel seamless pipe | Outside diameter: 4.0 - 1219mm, Thickness: 0.5 -100mm,Length: 24000mm |
| Stainless steel welded pipe | Outside diameter: 6.0 - 2800mm, Thickness: 0.3 -45mm,Length: 18000mm |
| Stainless steel capillary pipe | Outside diameter: 0.4 - 16.0mm, Thickness: 0.1 -2.0mm,Length: 18000mm |
| Stainless steel seamless sanitary pipe | Outside diameter: 6.0- 219mm, Thickness: 1.0 -6.0mm |
| Stainless steel square pipe | Side Length: 4*4 - 300*300mm, Thickness: 0.25 - 8.0mm, Length: 18000mm |
| Stainless steel rectangular pipe | Side Length: 4*6 - 200*400mm, Thickness: 0.25 - 8.0mm, Length: 18000mm |
| Stainless steel coil pipe | Outside diameter: 0.4 - 16mm, Thickness: 0.1 - 2.11mm |
| Standard | American Standard: ASTM A312, ASME SA269, ASTM A269, ASME SA213, ASTM A213 ASTM A511 ASTM A789, ASTM A790, ASTM A376, ASME SA335, B161, SB163, SB338, SB667/668 Germany Standard: DIN2462.1-1981, DIN17456-85, DIN17458-85· European Standard: EN10216-5, EN10216-2 Japanese Standard: JIS G3463-2006, JISG3459-2012 Russian Standard: GOST 9941-81 |
Q1: Do you accept the trial order ?
A1: Yes,if we have the exactly size in stock.we can delivery even 1 piece/meter .
Q2: Can I have free sample before making orders?
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