Incoloy 825

• Material: Ni Cr
• Condition: Bright, Annealed
• Transport Package: in Spool, Carton, Wooden Case
• Trademark: Ualloy
• Origin: China
• Model NO.: Incoloy 825
• HS Code: 75062000
• Production Capacity: 500 Tons/Year

Product Description

Incoloy 825 is a Nickel-Iron-Chromium alloy with additions of Molybdenum and Copper. It has excellent resistance to both reducing and oxidising acids, to stress-corrosion cracking and to localised pitting and crevice corrosion. It is also especially resistant to sulphuric and phosphoric acids.

Chemical Composition

Specifications

Designations

Key Features

Typical Applications

Element	Min %	Max %
Ni	38.00	46.00
Co	-	2.00
Cu	1.50	3.00
Cr	19.50	23.50
Mo	2.50	3.50
Al	-	0.20
C	-	0.05
Si	-	0.50
Mn	-	1.00
S	-	0.03
Ti	0.60	1.20
Fe	Bal

ASTM B425
BS 3075 NA 16
BS 3076 NA 16
ISO 15156-3
(NACE MR 0175)

W.Nr 2.4858
UNS N08825
AWS 022

Resistant to reducing environments such as those containing sulphuric and phosphoric acids
Resistant to a variety of oxidising substances such as nitric acid and nitrates
Resistant to chloride-ion stress corrosion cracking and, pitting & crevice corrosion
Good for chemical processing

Chemical Processing
Nuclear Fuel Reprocessing
Acid Production
Pickling Equipment

Density	8.14 g/cm³	0.294 lb/in³
Melting Point	1400°C	2550°F
Coefficient of Expansion	14.0 μm/m °C (20 - 100°C)	7.8 x 10-6 in/in °F (70 - 212°F)
Modulus of Rigidity	75.9 kN/mm²	11009 ksi
Modulus of Elasticity	196 kN/mm²	28428 ksi

Heat Treatment of Finished Parts
Condition as supplied by Alloy Wire	Type	Temperature		Time (Hr)	Cooling
		°C	°F
Annealed or Spring Temper	Stress Relieve	450 - 470	840 - 880	0.5 - 1	Air

Properties
Condition	Approx. tensile strength		Approx. operating temperature
	N/mm²	ksi	°C	°F
Annealed	600 - 800	87 - 116	-100 to +250	-145 to +480
Spring Temper	800 - 1100	116 - 159	-100 to +250	-145 to +480

The above tensile strength ranges are typical. If you require different please ask.