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Super Duplex  Technical Data Super Duplex Stainless Steel is a highly alloyed, good performance Duplex steel with a pitting resistance. Super Duplex offers good resistance to pitting and crevice corrosion. Super Duplex is suited for use in aggressive environments. Super Duplex Stainless has good resistance to stress corrosion cracking in chloride and sour environments. Super Duplex has good resistance to erosion corrosion and corrosion fatigue. TYPICAL ANALYSIS                  C. Cr. Cu. Mn. Mo. N. Ni. P. S. Si. W. 0.03% 24.00- 0.50- 1.00% 3.00- 0.20- 6.00- 0.035% 0.015% 1.00% 0.50- max 26.00% 1.00% max 4.00% 0.30% 8.00% max max max 1.00% Typical Mechanical Properties     Tensile Strength N/mm2 730 - 930 MPa   0.2% Proof Stress N/mm2 530 MPa   Elongation 25%   Hardness (Brinell) 290 HB Properties are for solution annealed super duplex at room temperature. Thickness up to 160mm max. Hardness for guidance only. Heat Treatment AT = Solution annealed.  1040-1120°C.  Water quench Available forms:      Super Duplex Stainless Steel Grades UNS S32750 S32760 32750 32760 F55 BS EN10088 Pt 3 1995 2005 X2CrNiMoCuWN25 7 4 1.4501  1.4410 SS 2328 DIN SAF 2207