Database of Steel and Alloy (Marochnik)

Home

Steel and Alloy

Search

Equivalent Grades

GOST Standards

Grading

Contacts

YOU HERE: Steel and Alloy -> Structural steel

Characteristics for grade AS40Kh ( АС40Х )

Grade :	AS40Kh ( АС40Х )
Classification :	Rolled steel of improved and high cutting machinability
Equivalent grades:	Is absent

Chemical composition in % for grade AS40Kh ( АС40Х )

C	Si	Mn	Ni	S	P	Cr	Cu	Pb	-
0.36 - 0.44	0.17 - 0.37	0.6 - 0.9	max 0.3	max 0.035	max 0.035	0.8 - 1.1	max 0.3	0.15 - 0.3	S+P <0.06

Mechanical properties under Т=20^oС for grade AS40Kh ( АС40Х )

Assortment	Dimension	Direct.	s_в	s_T	d₅	y	KCU	Heat treatment
-	mm	-	MPa	MPa	%	%	kJ / m²	-
Rolled stock, GOST 1414-75			980	784	10	45	590	Normalizing and drawing

Brinell hardness for AS40Kh ( АС40Х ) (hot-rolled, annealing) , GOST 1414-75	HB 10^-1 = 217 MPa
Brinell hardness for AS40Kh ( АС40Х ) (cold-drawn, cold-worked) , GOST 1414-75	HB 10^-1 = 269 MPa
Brinell hardness for AS40Kh ( АС40Х ) (high tempering) , GOST 1414-75	HB 10^-1 = 235 MPa

Types of delivery of grade AS40Kh ( АС40Х )

В22 - Graded and shaped rolling

В32 - Graded and shaped rolling

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]

AS40Kh ( АС40Х ) - Rolled steel of improved and high cutting machinability: 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.