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

Characteristics of the material VSt6sp ( VSt6sp, ВСт6сп ).

Material :	VSt6sp ( VSt6sp, ВСт6сп )
Substitute:	ВСт5сп
Classification :	Normal quality structural carbon steel

Chemical composition in % of the material VSt6sp ( VSt6sp, ВСт6сп ) .

C	Si	Mn	Ni	S	P	Cr	Cu	As
0.38 - 0.49	0.15 - 0.35	0.5 - 0.8	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 VSt6sp ( VSt6sp, ВСт6сп ).

Ac₁ = 725 , Ac₃(Ac_m) = 790 , Ar₃(Arc_m) = 780 , Ar₁ = 690

Mechanical properties under Т=20^oС of the material VSt6sp ( VSt6sp, ВСт6сп ) .

Assortment	Dimension	Direct.	s_в	s_T	d₅	y	KCU	Heat treatment
-	mm	-	MPa	MPa	%	%	kJ / m²	-
Rolled stock			535	325	25	52	630

Physical properties of the material VSt6sp ( VSt6sp, ВСт6сп ) .

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	1.97
100	1.97
200	1.86
300	1.75
400	1.68
T	E 10^{- 5}	a 10⁶	l	r	C	R 10⁹

Technological properties of the material VSt6sp ( VSt6sp, ВСт6сп ) .

Weldability:	limited weldability.
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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