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Metals -> Structural steel -> Spring structural steel

Characteristics of the material 65S2VА ( 65S2VА, 65С2ВА ).

Material :	65S2VА ( 65S2VА, 65С2ВА )
Substitute:	60С2А, 60С2ХА
Classification :	Spring structural steel

Chemical composition in % of the material 65S2VА ( 65S2VА, 65С2ВА ) .

C	Si	Mn	Ni	S	P	Cr	W	Cu
0.61 - 0.69	1.5 - 2	0.7 - 1	max 0.25	max 0.025	max 0.025	max 0.3	0.8 - 1.2	max 0.2

Mechanical properties under Т=20^oС of the material 65S2VА ( 65S2VА, 65С2ВА ) .

Assortment	Dimension	Direct.	s_в	s_T	d₅	y	KCU	Heat treatment
-	mm	-	MPa	MPa	%	%	kJ / m²	-
Steel			1860	1665	5	20		Guenching 850^oC, oil, Drawing 420^oC,
Band annealed			900		8

Brinell hardness of the material 65S2VА ( 65S2VА, 65С2ВА ) (annealing) ,	HB 10^-1= 285 MPa
Brinell hardness of the material 65S2VА ( 65S2VА, 65С2ВА ) (without heat treatment) ,	HB 10^-1= 321 MPa

Physical properties of the material 65S2VА ( 65S2VА, 65С2ВА ) .

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	2.11		27	7850
100	2.06	11.5	27		475
200	2	12.5	28		500
300	1.95	13	29		510
400	1.85	13.5	29		530
500	1.78	13.8	29		555
600	1.54	14.3	29		580
700	1.36	14.5	28		615
800	1.31	13.5	28		690
T	E 10^{- 5}	a 10⁶	l	r	C	R 10⁹

Technological properties of the material 65S2VА ( 65S2VА, 65С2ВА ) .

Weldability:	is not used.
Flakes :	not predisposed
Temper brittleness:	not predisposed

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]

Weldability :
without limitations	- welding is done without heating and subsequent heat treeting
limited weldability	- welding is possible under heating up to 100-120 grade and subsequent heat treeting
hard weldability	- obtaining the quality welding needs the additional operations:heating up to 200-300 grade; the heat treeting ia annealing

Database of steels and alloys (Marochnik) contains information about chemical composition and properties of 1500 steels and alloys (stainless steel, alloy steel, carbone steel, structural steel, tool steel, cast iron, aluminum alloy, titanium alloy, copper alloy, nickel alloy, magnesium alloy and others).
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