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Characteristics for grade 20KH21N46V8RL ( 20Х21Н46В8РЛ )

Grade :	20KH21N46V8RL ( 20Х21Н46В8РЛ )
Classification :	Casting alloy steel with specific properties
Equivalent grades:	Is absent

Chemical composition in % for grade 20KH21N46V8RL ( 20Х21Н46В8РЛ )

Fe	C	Si	Mn	Ni	S	P	Cr	W	B
19.015 - 30.4	0.1 - 0.25	0.2 - 0.8	0.3 - 0.8	43 - 48	max 0.035	max 0.04	19 - 22	7 - 9	max 0.06

Mechanical properties under Т=20^oС for grade 20KH21N46V8RL ( 20Х21Н46В8РЛ )

Assortment	Dimension	Direct.	s_в	s_T	d₅	y	KCU	Heat treatment
-	mm	-	MPa	MPa	%	%	kJ / m²	-
Casting, GOST 977-88			441		6	8	294

Heat treatment of the material 20KH21N46V8RL ( 20Х21Н46В8РЛ )

Aging 890 - 910 ° C, 5 hours , Air cooling

Types of delivery of grade 20KH21N46V8RL ( 20Х21Н46В8РЛ )

B82 - Steel Castings

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]

20KH21N46V8RL ( 20Х21Н46В8РЛ ) - Casting alloy steel with specific properties: 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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