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Characteristics for grade     60S2А   ( 60С2А )

      Grade :     60S2А   ( 60С2А )
      Substitute:   60С2Н2А, 60С2Г, 50ХФА
      Classification :   Spring structural steel
      Equivalent grades:   Go here



Chemical composition in % for grade   60S2А   ( 60С2А )
C Si Mn Ni S P Cr Cu
0.58 - 0.631.6 - 20.6 - 0.9max   0.25max   0.025max   0.025max   0.3max   0.2


Temperature of critical points for grade   60S2А   ( 60С2А ).
Ac1 = 770 ,      Ac3(Acm) = 820 ,       Ar3(Arcm) = 770 ,       Ar1 = 700 ,       Mn = 305


Mechanical properties under Т=20oС for grade   60S2А   ( 60С2А )
Assortment Dimension Direct. sв sT d5 y KCU Heat treatment
- mm - MPa MPa % % kJ / m2 -
Rolled stock, GOST 14959-79     1570 1375 6 20 Guenching 870oC, oil, Drawing 420oC,
Band annealed , GOST 2283-79 0.1 - 4   880   8    
Band cold-worked , GOST 2283-79 0.1 - 4   780-1180       


    Brinell hardness for     60S2А   ( 60С2А )   (annealing) ,       GOST 14959-79 HB 10 -1 = 269   MPa
    Brinell hardness for     60S2А   ( 60С2А )   (without heat treatment) ,       GOST 14959 HB 10 -1 = 302   MPa


Technological properties for grade   60S2А   ( 60С2А )
  Weldability: is not used.
 Flakes : not predisposed
Temper brittleness: not predisposed


Physical properties for grade   60S2А   ( 60С2А )
T E 10- 5 a 10 6 l r C R 10 9
Grade MPa 1/Grade Watt/(m·Grade) kg/m3 J/(kg·Grade) Ohm·m
20 2.12   28 7680    
100 2.06 11.8 29 7660 510  
200 1.98 12.7 29 7630 510  
300 1.92 13.3 30 7590 520  
400 1.81 13.7 30 7570 535  
500 1.78 14.1 30 7520 565  
600 1.58 14.5 29   585  
700 1.44 14.4 29   620  
800 1.34 12.2 28   700  
T E 10- 5 a 10 6 l r C R 10 9


Equivalent steels for grade     60S2А   ( 60С2А )
Warning! Indicated both exact and nearest equivalents.
USAGermanyJapanFranceEnglandChinaBulgariaPoland
-DIN,WNrJIS AFNORBSGBBDSPN
9260
G92600
60MnSiCr4
60SiCr7
65Si7
SUP6
SUP7
61SiCr7
251H60
60Si2Mn
60S2A
60S2A

Types of delivery of grade   60S2А   ( 60С2А )
В22 - Graded and shaped rolling
B23 - Sheets and Strips
В32 - Graded and shaped rolling
B33 - Sheets and Strips
B34 - Ribbons
В72 - Medium-high and high-carbon steel wire
B73 - Steel Alloy Wire


Specification :
Mechanical properties :
sв - Tensile strength , [MPa]
sT - 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 20o - T ) , [1/Grade]
l - Termal (heat) condition coefficient , [Watt/(m·Grade)]
r - Density , [kg/m3]
C - Specific heat ( range 20o - 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

  60S2А   ( 60С2А ) - Spring structural steel: chemical composition, mechanical and physical properties, hardness
Database of steels and alloys (Marochnik) contains information about chemical composition and properties more then 3000 steels and alloys

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