Alloys 693

Brand name	Inconel® Alloy 693

Trade name	Alloy 693

Standards	UNS N06693 Alloy 693

Description	Alloy 693 is a nickel-chromium-iron-aluminum alloy with niobium addition.

Special properties	Best resistance to metal dusting in chemical and petrochemical processing environments of any conventional nickel-alloy currently manufactured.

Chemical Composition	C % ≤ 0.15 Si ≤ % 0.50 Mn ≤ % 1.00 S ≤ % 0.01 Cr % 27.0-31.0 N % 0.50-2.50 Ti ≤ % 1.00 Cu % ≤ 0.50 Al % 2.50-4.00 Fe % 2.50-6.00

Mechanical Properties 20°C	Hardness HB 30 ≤ HB 330 0.2% Yield strength Rp ≥ N/mm² 1000 Tensile strength Rm N/mm² ≥ 1150 Elongation A5 ≥ % 15 Modulus of elasticity kN/mm² 200

Physical Properties 20°C	Density g/cm³ 7.77 Specific heat capacity J/kg K 475 Thermal conductivity W/m K 16 Electrical resistivity Ω mm²/m 1.16

Application	Chemical and petrochemical industry

Available forms for / ALLOY 693	Sheets/Plates Bars Tubes/Pipes Fittings Forged / cast parts Finished part (drawing)