Duplex Steel

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A790 S31803 seamless tube
S31803, 2205, 1.4462(X2CrNiMoN22-5-3) Pipe/Tube

S31803 is a nitrogen alloyed (≥ 0.15%) austenitic - ferritic stainless steel with improved structure stability and high general, localised and stress corrosion resistance. Its typical operation temperatures is - 50°C/+280°C (- 58°F/+536°F). Lower temperatures could be considered, but require additional precautions, in particular for welded structures...

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A789 S32205 seamless tube
S32205, 2205, 1.4462(X2CrNiMoN22-5-3) Pipe/Tube

S32205 is with 22% Cr and 3% Mo additions, which is 1% Cr and 0.5% Mo more than S31803, it performs much better than 316L grade in almost all corrosive media. The yield strength is about twice that of austenitic stainless steels. This allows the designer to save weight and makes the alloy more cost competitive when compared to 316L grade ...

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S32750 seamless pipe
S32750, 2507, 1.4410(X2CrNiMoN25-7-4) Pipe/Tube

S32750 is superduplex stainless steels which is with a very high resistance to localized corrosion in chloride media, combined with a high mechanical strength. The corrosion resistance of these grade is better than 904L and comparable to 6 Mo austenitics...

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A790 S32760 seamless pipe
S32760, 1.4501(X2CrNiMoWCuWN25-7-4) Pipe/Tube

S32760 is a high alloy super-duplex (austenitic-ferritic) stainless steel for service in highly corrosive conditions. It's with excellent resistance to stress corrosion cracking in chloride-bearing environments, pitting and crevice corrosion, and it is also with very high mechanical strength ...

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S32202 duplex steel seamless pipe
S32202, 2202, 1.4062(X2CrNiN22-2) Pipe/Tube

S32202 is a low nickel, low molybdenum stainless steel designed to match the corrosion resistance of 304L in most environments. Its higher strength allows the designer to use thinner sections to construct containment equipment...

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S32304 duplex steel pipe
S32304, 2304, 1.4362(X2CrNiN23-4) Pipe/Tube

S32304 is a 21.5% Cr, 3% Nickel, Mo free duplex stainless steel (2304). The alloy has a corrosion resistance similar to 316L. Furthermore, its mechanical properties i.e. yield strength, are twice those of 304/316 austenitic grades...

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