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Characteristics for grade KCH55-4 ( КЧ55-4 )

Grade :	KCH55-4 ( КЧ55-4 )
Classification :	Malleable cast iron
Equivalent grades:	Go here

Chemical composition in % for grade KCH55-4 ( КЧ55-4 )

C	Si	Mn	S	P	Cr	-
2.5 - 2.8	1.1 - 1.3	0.3 - 1	max 0.2	max 0.1	max 0.08	C+Si = 3.6 - 3.9

Mechanical properties under Т=20^oС for grade KCH55-4 ( КЧ55-4 )

Assortment	Dimension	Direct.	s_в	s_T	d₅	y	KCU	Heat treatment
-	mm	-	MPa	MPa	%	%	kJ / m²	-
Casting, GOST 1215-79			539		3-4

Brinell hardness for KCH55-4 ( КЧ55-4 ) , GOST 1215-79

HB 10^-1 = 192 - 241 MPa

Equivalent steels for grade KCH55-4 ( КЧ55-4 )Warning! Indicated both exact and nearest equivalents.

USA

Germany

Japan

France

England

Italy

Poland

Czechia

DIN,WNr

JIS

AFNOR

UNI

CSN

6004

GTS55-04

FCMP540

MN550-4

P55-04

Zcp55004

422555

Types of delivery of grade KCH55-4 ( КЧ55-4 )

В61 - Pipes of ferrous metals and alloys cast and connecting parts to them

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]

KCH55-4 ( КЧ55-4 ) - Malleable 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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