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Characteristics for grade 30KhL ( 30ХЛ )

Grade :	30KhL ( 30ХЛ )
Classification :	Casting alloy steel for general purposes
Equivalent grades:	Is absent

Chemical composition in % for grade 30KhL ( 30ХЛ )

C	Si	Mn	S	P	Cr
0.25 - 0.35	0.2 - 0.5	0.5 - 0.9	max 0.04	max 0.04	0.5 - 0.8

Mechanical properties under Т=20^oС for grade 30KhL ( 30ХЛ )

Assortment	Dimension	Direct.	s_в	s_T	d₅	y	KCU	Heat treatment
-	mm	-	MPa	MPa	%	%	kJ / m²	-
Casting, GOST 977-88			530	285	15	30	265
Casting, GOST 977-88			677	432	15	30	402
Casting, GOST 21357-87			660	550	10	20		Guenching and drawing

Heat treatment of the material 30KhL ( 30ХЛ )

Normalizing 900 - 920 ° C, Tempering 550 - 650 ° C

Hardening 890 - 910° C, Tempering 620 - 660 ° C

Types of delivery of grade 30KhL ( 30ХЛ )

B82 - Steel Castings

B83 - Castings with special properties (cast iron and steel)

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]

30KhL ( 30ХЛ ) - Casting alloy steel for general purposes: 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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