Super Duplex Steel S32750/S32760 Pipes & Tubes
Sankalp Alloys Overseas is a famous manufacturer, supplier, stockist, and exporter of Super Duplex Steel UNS S32750 & S32760 Pipes & Tubes. Because of their excellent resistance towards corrosion, in effect, it is recommended highly in those areas where alkali or acid solutions are heavily used and also in places where durability against corrosion is effectively required, for chemical processing, oil and gas exploration purposes, and marine engineering.
Super Duplex Steel UNS S32750 Pipes have 25% chromium, 7% nickel, and 3.7% molybdenum, while UNS S32760 Pipes have 25.4% chromium, 5.6% nickel, and 3% molybdenum. Both grades have nitrogen and excellent yield strength. UNS S32760 yields even more corrosion resistance compared to UNS S. The high molybdenum, chromium, and nitrogen content of UNS S32750 in a duplex structure provides much better resistance to chloride pitting and crevice corrosion.
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UNS S32750 Super Duplex Pipes shall be suitable for service under critical conditions due to their excellent corrosion and high resistance properties of up to around 600°F. Holding at higher temperatures reduces both the toughness and the resistance to corrosion of these seamless pipes, which, however, find wide usage in several industries, viz, power and marine, chemical industry, pulp and paper manufacturing, petrochemical, water desalination, and oil and gas production.
Super Duplex Steel UNS S32760 Pipes are exclusively designed to operate in aggressive chloride-contaminated conditions by adding tungsten and copper over what UNS S32750 offers. It offers excellent resistance to pitting, crevice corrosion, and stress corrosion cracking, along with high mechanical strength. UNS S32760 is particularly noted for its resistance to sulfide stress corrosion cracking in sour gas environments. This involves welded tubes broadly applied in other areas, such as oil and gas, hydropower, pressure vessels, pulp and paper, structural components, and chemical tankers.
Sankalp Alloys Overseas is fully committed to providing the best quality of products and raw materials, supported by documents and test certificates that help in building trust. One such document is the Certificate of Origin legalised/attested by the Chamber of Commerce. There are also Material Test Certificates, Material Traceability Records, Guarantee Letters, Fumigation Certificates, etc. Our commitment to quality and excellence enables us to grow as a trusted partner in the supply of Super Duplex Steel UNS S32750 and S32760 Pipes & Tubes.
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Chemical Alloyion of Super Duplex Steel Pipes & Tubes
| C | Cr | Ni | Mo | N | Others |
|---|---|---|---|---|---|
| 0.020 | 25 | 7 | 4.0 | .27 | S=0.001 |
Mechanical Properties Of Super Duplex Steel Seamless and Welded Pipes & Tubes
| Ultimate Tensile Strength, ksi | 116 min. |
|---|---|
| 0.2% Offset Yield Strength 0.2%, ksi | 80 min. |
| 0.1% Offset Yield Strength 0.2%, ksi | 91 min. |
| Elongation in 2 inches, % | 15 min. |
| Hardness Rockwell C | 32 max. |
| Impact Energy, ft.-lbs. | 74 min. |
Physical Properties of UNS S32760/S32750 Super Duplex Steel Pipes & Tubes
| Density | lb/in3 | 0.28 |
|---|---|---|
| Modulus of Elasticity | psi x 106 | 29 |
| Coefficient of Thermal Expansion 68-212°F/°F |
x10-6/°F | 7.2 |
| Thermal Conductivity | Btu/h ft °F | 8.7 |
| Heat Capacity | Btu/lb/°F | 0.12 |
| Electrical Resistivity | W-in x 10-6 | 31.5 |
OUR EXPORT
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