Alloys 22

Brand name	Nicrofer® 5621hMoW, INCONEL® Alloy 22

Trade name	Alloy 22

Standards	Material No. 2.4602 EN Designation NiCr21Mo14W UNS N06022 Alloy 22

Description	Alloy 22 / Alloy 22 is a nickel-chromium-molybdenum alloy containing tungsten with extremely low carbon and silicon contents.

Special properties	Outstanding resistance to a wide range of corrosive media under both oxidizing and reducing conditions. Excellent resistance to crevice and pitting corrosion and to stress-corrosion cracking.

Chemical Composition	C % ≤ 0.010 Si ≤ % 0.08 Mn ≤ % 0.50 P ≤ % 0.025 S ≤ % 0.015 Cr % 20.0-22.5 Mo % 12.5-14.5 Ni % Rest V % ≤ 0.35 Co % ≤ 2.50 Fe % 2.00-6.00 W % 2.50-3.50

Mechanical Properties 20°C	Hardness HB 30 ≤ HB 240 0.2% Yield strength Rp ≥ N/mm² 310 Tensile strength Rm N/mm² 690-950 Elongation A5 ≥ % 45 Modulus of elasticity kN/mm² 205

Physical Properties 20°C	Density g/cm³ 8.7 Specific heat capacity J/kg K 406 Thermal conductivity W/m K 10.1 Electrical resistivity Ω mm²/m 1.14

Suitable welding filler materials	2.4638; 2.4635

Application	Waste incineration, chemical industry

Available forms for 2.4602 / ALLOY 22	Sheets/Plates Bars Wire Tubes/Pipes Fittings Forged / cast parts Finished part (drawing)