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Characteristics for grade L-NiCr20-3 ( L-NiCr20-3 )

Grade :	L-NiCr20-3 ( L-NiCr20-3 )
Classification :	Nickel cast iron
Equivalent grades:	Is absent

Chemical composition in % for grade L-NiCr20-3 ( L-NiCr20-3 )

C	Si	Mn	Ni	Cr	Cu
max 3	1 - 2.8	0.5 - 1.5	18 - 22	2.5 - 3.5	max 0.5

Mechanical properties under Т=20^oС for grade L-NiCr20-3 ( L-NiCr20-3 )

Assortment	Dimension	Direct.	s_в	s_T	d₅	y	KCU	Heat treatment
-	mm	-	MPa	MPa	%	%	kJ / m²	-
Casting, GOST 7769-82			190-240		1.5

Brinell hardness for L-NiCr20-3 ( L-NiCr20-3 ) , GOST 7769-82

HB 10^-1 = 160 - 250 MPa

Physical properties for grade L-NiCr20-3 ( L-NiCr20-3 )

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	1.05

Types of delivery of grade L-NiCr20-3 ( L-NiCr20-3 )

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]

L-NiCr20-3 ( L-NiCr20-3 ) - Nickel 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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