Hastelloy C-22

Product Overview:

Better overall corrosion resistance than Hastelloy C-4 & C-276 and Inconel 625.
Outstanding resistance to pitting, crevice corrosion and stress corrosion cracking.

Category:

Hastelloy

Key word:

Inconel | Hastelloy

MAIL: info@bh-alloy.com

MOB: +86-511-80269668

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Product Details

Element	Min %	Max %
Cr	20.00	22.50
Mo	12.50	14.50
Fe	2.00	6.00
W	2.50	3.50
C	–	0.015
Si	–	0.08
Co	–	2.50
Mn	–	0.50
V	–	0.35
P	–	0.02
S	–	0.02
Ni	bal	–

Designations: AWS 053

Specifications: ASTM B574,ASTM B575,ASTM B619

Alloy Details

Density	Melting Point	Coefficient of Expansion	Modulus of Rigidity	Modulus of Elasticity
8.69 g/cm³	1399 °C	12.4 μm/m °C (20 – 100 °C)	78.6 kN/mm²	205.5 kN/mm²
0.314 lb/in³	2550 °F	6.9 x 10-6 in/in °F (70 – 212 °F)	11400 ksi	29806 ksi

Heat treatment of finished parts

Condition as supplied by AWI	Type	Temperature	Time	Cooling
Annealed or Spring Temper	Stress Relieve	400 – 450 °C (750 – 840 °F)	2 Hr	Air

Properties

Annealed
Approx. tensile strength	<1100 N/mm²	<159 ksi
Approx. operating temperature depending on loading and environment	-200 to +400 °C	-330 to +750 °F

Spring Temper
Approx. tensile strength	1400 – 1700 N/mm²	203 – 247 ksi
Approx. operating temperature depending on loading and environment	-200 to +400 °C	-330 to +750 °F