Alloys B2

Brand name	Nimofer® 6928

Trade name	Alloy B-2

Standards	Material No. 2.4617 EN Designation NiMo28 UNS N10665 Alloy B-2

Description	Alloy B-2 / 2.4617 is a nickel-molybdenum alloy.

Special properties	Good corrosion resistance to reducing environments. Excellent resistance against sulphuric acid.

Chemical Composition	C % 0.01 Si ≤ % 0.08 Mn ≤ % 1.00 P ≤ % 0.025 S ≤ % 0.015 Cr % ≤ 1.00 Mo % 26.0-30.0 Ni % Rest Cu % ≤ 0.50 Co % ≤ 1.00 Fe % ≤ 2.00

Mechanical Properties 20°C	0.2% Yield strength Rp ≥ N/mm² 350 Tensile strength Rm N/mm² ≥ 760 Elongation A5 ≥ % 40 Modulus of elasticity kN/mm² 217

Physical Properties 20°C	Density g/cm³ 9.2 Specific heat capacity J/kg K 377 Thermal conductivity W/m K 11.4 Electrical resistivity Ω mm²/m 1.37

Suitable welding filler materials	2.4616

Application	Chemical process industry, acetic acid production

Available forms for 2.4617 / ALLOY B-2	Sheets/Plates Bars Wire Tubes/Pipes Fittings Forged / cast parts Finished part (drawing)