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Characteristics for grade CHKH22 ( ЧХ22 )

Grade :	CHKH22 ( ЧХ22 )
Classification :	High alloy cast iron
Equivalent grades:	Is absent

Chemical composition in % for grade CHKH22 ( ЧХ22 )

C	Si	Mn	S	P	Cr	V	Ti
2.4 - 3.6	0.2 - 1	1.5 - 2.5	max 0.08	max 0.1	19 - 25	0.15 - 0.35	0.15 - 0.35

Mechanical properties under Т=20^oС for grade CHKH22 ( ЧХ22 )

Assortment	Dimension	Direct.	s_в	s_T	d₅	y	KCU	Heat treatment
-	mm	-	MPa	MPa	%	%	kJ / m²	-
Casting, GOST 7769-82			290

Brinell hardness for CHKH22 ( ЧХ22 ) , GOST 7769-82

HB 10^-1 = 330 - 610 MPa

Types of delivery of grade CHKH22 ( ЧХ22 )

В81 - Castings of cast iron (gray and malleable cast iron)

Specification :

Mechanical properties :
s_в	- Tensile strength , [MPa]
s_T	- Yield stress, [MPa]
d₅	- Specific elongation at fracture , [ % ]
y	- Reduction of area , [ % ]
KCU	- Impact strength , [ kJ / m²]
HB	- Brinell hardness , [MPa]

Physical properties :
T	- Test temperature , [Grade]
E	- Young modulus , [MPa]
a	- Coefficient of linear expansion (range 20^o - T ) , [1/Grade]
l	- Termal (heat) condition coefficient , [Watt/(m·Grade)]
r	- Density , [kg/m³]
C	- Specific heat ( range 20^o - T ), [J/(kg·Grade)]
R	- Electrical resistance , [Ohm·m]

CHKH22 ( ЧХ22 ) - High alloy cast iron: chemical composition, mechanical and physical properties, hardness
Database of steels and alloys (Marochnik) contains information about chemical composition and properties more then 3000 steels and alloys

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