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Metals -> Structural steel -> Low alloy structural steel for welding construct

Characteristics of the material 09G2S ( 09G2S, 09Г2С ).

Material :	09G2S ( 09G2S, 09Г2С )
Substitute:	09Г2, 09Г2ДТ, 09Г2Т,10Г2С
Classification :	Low alloy structural steel for welding construct

Chemical composition in % of the material 09G2S ( 09G2S, 09Г2С ) .

C	Si	Mn	Ni	S	P	Cr	N	Cu	As
max 0.12	0.5 - 0.8	1.3 - 1.7	max 0.3	max 0.04	max 0.035	max 0.3	max 0.008	max 0.3	max 0.08

Temperature of critical points of the grade 09G2S ( 09G2S, 09Г2С ).

Ac₁ = 725 , Ac₃(Ac_m) = 860 , Ar₃(Arc_m) = 780 , Ar₁ = 625

Mechanical properties under Т=20^oС of the material 09G2S ( 09G2S, 09Г2С ) .

Assortment	Dimension	Direct.	s_в	s_T	d₅	y	KCU	Heat treatment
-	mm	-	MPa	MPa	%	%	kJ / m²	-
Sheet	4		500	350	21

Physical properties of the material 09G2S ( 09G2S, 09Г2С ) .

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
100		11.4
200		12.2
300		12.6
400		13.2
500		13.8
T	E 10^{- 5}	a 10⁶	l	r	C	R 10⁹

Technological properties of the material 09G2S ( 09G2S, 09Г2С ) .

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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