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Metals -> Structural steel -> Normal quality structural carbon steel

Characteristics of the material VSt3sp ( VSt3sp, ВСт3сп ).

Material :	VSt3sp ( VSt3sp, ВСт3сп )
Substitute:	ВСт3пс
Classification :	Normal quality structural carbon steel

Chemical composition in % of the material VSt3sp ( VSt3sp, ВСт3сп ) .

C	Si	Mn	Ni	S	P	Cr	Cu	As
0.14 - 0.22	0.12 - 0.3	0.4 - 0.65	max 0.3	max 0.05	max 0.04	max 0.3	max 0.3	max 0.08

Temperature of critical points of the grade VSt3sp ( VSt3sp, ВСт3сп ).

Ac₁ = 735 , Ac₃(Ac_m) = 850 , Ar₃(Arc_m) = 835 , Ar₁ = 680

Mechanical properties under Т=20^oС of the material VSt3sp ( VSt3sp, ВСт3сп ) .

Assortment	Dimension	Direct.	s_в	s_T	d₅	y	KCU	Heat treatment
-	mm	-	MPa	MPa	%	%	kJ / m²	-
Rolled stock hotrolled	to 20		370-480	245	26			As-delivered state
Forging	to 100		353	175	28	55	640	Normalizing
Forging	100 - 300		353	175	24	50	590	Normalizing

Physical properties of the material VSt3sp ( VSt3sp, ВСт3сп ) .

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	1.94
100	1.92
200	1.87
300	1.83
400	1.78
500	1.67
600	1.59
700	1.46
800	1.2
900	0.99
T	E 10^{- 5}	a 10⁶	l	r	C	R 10⁹

Technological properties of the material VSt3sp ( VSt3sp, ВСт3сп ) .

Weldability:	without limitations.
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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