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Characteristics for grade 25KH2GNTА ( 25Х2ГНТА )

Grade :	25KH2GNTА ( 25Х2ГНТА )
Classification :	Alloy structurall steel
Equivalent grades:	Is absent

Chemical composition in % for grade 25KH2GNTА ( 25Х2ГНТА )

C	Si	Mn	Ni	S	P	Cr	Ti	Cu
0.22 - 0.29	0.2 - 0.5	0.8 - 1.1	0.9 - 1.3	max 0.03	max 0.03	1.3 - 1.7	0.06 - 0.12	max 0.3

Mechanical properties under Т=20^oС for grade 25KH2GNTА ( 25Х2ГНТА )

Assortment	Dimension	Direct.	s_в	s_T	d₅	y	KCU	Heat treatment
-	mm	-	MPa	MPa	%	%	kJ / m²	-
			1500-1650					Guenching 860^oC, oil, Drawing 200 - 230^oC, 2 - 3h,

Physical properties for grade 25KH2GNTА ( 25Х2ГНТА )

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	1.95			7800
100		12	41.9
200		13	41.1
300		13.7	40.7
T	E 10^{- 5}	a 10⁶	l	r	C	R 10⁹

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]

25KH2GNTА ( 25Х2ГНТА ) - Alloy structurall steel: 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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