Nickel Alloy Incoloy 925 UNS N09925
Nickel Alloy Incoloy 925 UNS N09925
Nickel Alloy Incoloy 925 UNS N09925

Nickel Alloy Incoloy 925 UNS N09925

Incoloy 925 (Alloy 925, UNS N09925) is a Nickel-Iron-Chromium Alloy that significantly improves upon the strength of Incoloy 825 (Alloy 825, UNS N08825, 2.4858). At the same time, this copper-nickel alloy retains its favourable corrosion resistance, particularly against sulphuric acid, making an ideal material for use in the chemical industry. It is supplied in aged condition.

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الدردشة الآن

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مقدمة المنتج

Incoloy 925 (UNS N09925) is an age hardenable nickel-iron-chromium alloy with additions of molybdenum, copper, titanium and aluminum. The alloy's chemical composition is designed to provide a combination of high strength and excellent corrosion resistance. The nickel content is sufficient for protection against chloride-ion stresscorrosion cracking. The nickel, in conjunction with the molybdenum and copper, also gives outstanding resistance to reducing chemicals. The molybdenum aids resistance to pitting and crevice corrosion. The alloy's chromium content provides resistance to oxidizing environments. The titanium and aluminum additions cause a strengthening reaction during heat treatment.

			Nb (+Ta)		W		C		N		P	S
19.5	42	2.5	0.08	1.9		1.5							0.1
22.5	46	3.5	0.5	2.4		3	0.025	1		0.35	0.02	0.003	0.5

0.2% Proof Stress	758-965 N/mm²	110-140 ksi
	965 N/mm²	140 ksi
Elongation, 5.65√S₀ and 4D	18%
	25%
	38 HRC max.
Impact Strength(-60^o	47J av (43J min)	35 ft.lb av (32 ft.lb min)

Density (Kg.m-1)	8080
Magnetic Permeability (20 degree )	1.001
²)	199
Specific Heat, 20 degree (J/(g.K))	435
Electrical Resistivity, 20 degree (Ω-m)	1.17x10^-6
Electrical Conductivity, 20 degree (mΩ/mm2)	0.25 (1.48% IACS)
Thermal conductivity, 20 degree (W/(m.K))	12
Mean coefficient of thermal expansion, 20-100 degree (m/m/K)	13.2x10^-6