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Metals -> Cast iron -> Grey cast iron

Characteristics of the material SCH25 ( SCH25, СЧ25 ).

Material :	SCH25 ( SCH25, СЧ25 )
Classification :	Grey cast iron

Chemical composition in % of the material SCH25 ( SCH25, СЧ25 ) .

C	Si	Mn	S	P
3.2 - 3.4	1.4 - 2.2	0.7 - 1	max 0.15	max 0.2

Mechanical properties under Т=20^oС of the material SCH25 ( SCH25, СЧ25 ) .

Assortment	Dimension	Direct.	s_в	s_T	d₅	y	KCU	Heat treatment
-	mm	-	MPa	MPa	%	%	kJ / m²	-
			250

Brinell hardness of the material SCH25 ( SCH25, СЧ25 ) ,

HB 10^-1= 156 - 260 MPa

Physical properties of the material SCH25 ( SCH25, СЧ25 ) .

T	E 10^{- 5}	a 10⁶	l	r	C	R 10⁹
Grade	MPa	1/Grade	Watt/(m·Grade)	kg/m³	J/(kg·Grade)	Ohm·m
20	1		50	7200
100		10			500

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]

Database of steels and alloys (Marochnik) contains information about chemical composition and properties of 1500 steels and alloys (stainless steel, alloy steel, carbone steel, structural steel, tool steel, cast iron, aluminum alloy, titanium alloy, copper alloy, nickel alloy, magnesium alloy and others).
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