Database of Steel and Alloy (Marochnik)

Home

Steel and Alloy

Search

Equivalent Grades

GOST Standards

Grading

Contacts

YOU HERE: Steel and Alloy -> Casting steel

Characteristics for grade 20DKHL ( 20ДХЛ )

Grade :	20DKHL ( 20ДХЛ )
Classification :	Casting alloy steel for general purposes
Equivalent grades:	Is absent

Chemical composition in % for grade 20DKHL ( 20ДХЛ )

C	Si	Mn	S	P	Cr	Cu
0.15 - 0.25	0.2 - 0.4	0.5 - 0.8	max 0.04	max 0.04	0.8 - 1.1	1.4 - 1.6

Mechanical properties under Т=20^oС for grade 20DKHL ( 20ДХЛ )

Assortment	Dimension	Direct.	s_в	s_T	d₅	y	KCU	Heat treatment
-	mm	-	MPa	MPa	%	%	kJ / m²	-
Casting, GOST 977-88			491	392	12	30	294
Casting, GOST 977-88			638	540	12	30	392

Brinell hardness for 20DKHL ( 20ДХЛ ) ,	HB 10^-1 = 143 - 187 MPa
Brinell hardness for 20DKHL ( 20ДХЛ ) (quenching, tempering) ,	HB 10^-1 = 187 - 240 MPa

Heat treatment of the material 20DKHL ( 20ДХЛ )

Normalizing 880 - 890 ° C, Tempering 560 - 600 ° C

Hardening 880 - 890 ° C, Tempering 560 - 600 ° C

Types of delivery of grade 20DKHL ( 20ДХЛ )

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]

20DKHL ( 20ДХЛ ) - 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

© 2003 - 2024 Database of Steel and Alloy (russian title is the Marochnik)
Administration of the Marochnik is not responsible for the content's use.