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

Characteristics of the material 60 ( 60, 60 ).

Material :	60 ( 60, 60 )
Substitute:	55, 65Г
Classification :	High quality structural carbon steel

Chemical composition in % of the material 60 ( 60, 60 ) .

C	Si	Mn	Ni	S	P	Cr	Cu	As
0.57 - 0.65	0.17 - 0.37	0.5 - 0.8	max 0.25	max 0.04	max 0.35	max 0.25	max 0.25	max 0.08

Temperature of critical points of the grade 60 ( 60, 60 ).

Ac₁ = 725 , Ac₃(Ac_m) = 750 , Ar₃(Arc_m) = 745 , Ar₁ = 690

Mechanical properties under Т=20^oС of the material 60 ( 60, 60 ) .

Assortment	Dimension	Direct.	s_в	s_T	d₅	y	KCU	Heat treatment
-	mm	-	MPa	MPa	%	%	kJ / m²	-
Steel			700	510	17	60		Guenching and drawing
Steel	30	К	920	590	19	50	240	Guenching 780 - 830^oC, oil, Drawing 560^oC,

Brinell hardness of the material 60 ( 60, 60 ) (normalize) ,	HB 10^-1= 217 MPa
Brinell hardness of the material 60 ( 60, 60 ) ,	HB 10^-1= 255 MPa

Physical properties of the material 60 ( 60, 60 ) .

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	2.04			7800
100		11	68		483
200	2.08	11.9	53		487
300	1.89
400	1.74	13.9	36		529
500		14.6
600					567
T	E 10^{- 5}	a 10⁶	l	r	C	R 10⁹

Technological properties of the material 60 ( 60, 60 ) .

Weldability:	is not used.
Flakes :	weakly 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).
Helpfull for specialists in material technology, structural engineer, mechanical engineer, metallurgy and metal trader

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