Alloys 800

Brand name	INCOLOY® Alloy 800, Nicrofer® 3220 H

Trade name	Alloy 800

Standards	Material No. 1.4876 EN Designation X10CrNiAlTi32-21 UNS N08800 Alloy 800

Description	Alloy 800 / 1.4876 is an austenitic heat resistant nickel-iron-chromium alloy.

Special properties	Good resistance to reducing, oxidizing and nitriding atmospheres. Metallurgical stability in long-term application at high temperatures.

Chemical Composition	C % ≤ 0.12 Si ≤ % 1.00 Mn ≤ % 2.00 P ≤ % 0.03 S ≤ % 0.015 Cr % 19.0-23.0 Ni % 30.0-34.0 Ti ≤ % 0.15-0.60 Al % 0.15-0.60

Mechanical Properties 20°C	Hardness HB 30 ≤ HB 192 0.2% Yield strength Rp ≥ N/mm² 170 Tensile strength Rm N/mm² 450-680 Elongation A5 ≥ % 30 Resistant on air up to °C 1100 Modulus of elasticity kN/mm² 194

Physical Properties 20°C	Density g/cm³ 8 Specific heat capacity J/kg K 550 Thermal conductivity W/m K 12 Electrical resistivity Ω mm²/m 1

Suitable welding filler materials	2.4806; 2.4648

Application	Furnaces and furnace components, oil industry

Available forms for 1.4876 / ALLOY 800	Sheets/Plates Bars Wire Tubes/Pipes Fittings Forged / cast parts Finished part (drawing)