Alloys G3

Brand name	Nicrofer® 4823hMo, INCONEL® G-3

Trade name	Alloy G-3

Standards	Material No. 2.4619 EN Designation NiCr22Mo7Cu UNS N06985 Alloy G-3

Description	Alloy G-3 / 2.4619 is a stabilized austenitic nickel-chromium-iron alloy with a high molybdenum content and with an addition of cobalt and copper.

Special properties	Very good 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 % 0.015 Si ≤ % 1.00 Mn ≤ % 1.00 P ≤ % 0.025 S ≤ % 0.015 Cr % 21.0-23.5 Mo % 6.00-8.00 Ni % Rest Cu % 1.50-2.50 Co % ≤ 5.00 Fe % 18.0-21.0 W % ≤ 1.50 Nb % ≤ 0.50

Mechanical Properties 20°C	0.2% Yield strength Rp ≥ N/mm² 240 Tensile strength Rm N/mm² ≥ 620 Elongation A5 ≥ % 45 Modulus of elasticity kN/mm² 211

Physical Properties 20°C	Density g/cm³ 8.3 Specific heat capacity J/kg K 441 Thermal conductivity W/m K 11.1 Electrical resistivity Ω mm²/m 1.15

Suitable welding filler materials	2.4621

Application	Chemical process industry, acetic acid production

Available forms for 2.4619 / ALLOY G-3	Sheets/Plates Bars Tubes/Pipes