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

Characteristics of the material VSt4ps ( VSt4ps, ВСт4пс ).

Material :	VSt4ps ( VSt4ps, ВСт4пс )
Substitute:	ВСт4пс
Classification :	Normal quality structural carbon steel

Chemical composition in % of the material VSt4ps ( VSt4ps, ВСт4пс ) .

C	Si	Mn	Ni	S	P	Cr	Cu	As
0.18 - 0.27	0.05 - 0.17	0.4 - 0.7	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 VSt4ps ( VSt4ps, ВСт4пс ).

Ac₁ = 735 , Ac₃(Ac_m) = 840 , Ar₃(Arc_m) = 825 , Ar₁ = 680

Mechanical properties under Т=20^oС of the material VSt4ps ( VSt4ps, ВСт4пс ) .

Assortment	Dimension	Direct.	s_в	s_T	d₅	y	KCU	Heat treatment
-	mm	-	MPa	MPa	%	%	kJ / m²	-
			390	240	33	70	1080
Steel hotrolled	to 20		410-530	265	24			As-delivered state
Steel hotrolled	20 - 40		410-530	255	23			As-delivered state
Steel hotrolled	40 - 100		410-530	245	21			As-delivered state

Physical properties of the material VSt4ps ( VSt4ps, ВСт4пс ) .

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	1.96
100	1.83
200	1.74
300	1.67
400	1.58
T	E 10^{- 5}	a 10⁶	l	r	C	R 10⁹

Technological properties of the material VSt4ps ( VSt4ps, ВСт4пс ) .

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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