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Characteristics for grade     А40G   ( А40Г )

      Grade :     А40G   ( А40Г )
      Classification :   Rolled steel of improved and high cutting machinability
      Equivalent grades:   Go here



Chemical composition in % for grade   А40G   ( А40Г )
C Si Mn S P Cu
0.37 - 0.450.15 - 0.351.2 - 1.550.18 - 0.3max   0.05max   0.25


Temperature of critical points for grade   А40G   ( А40Г ).
Ac1 = 730 ,      Ac3(Acm) = 830


Mechanical properties under Т=20oС for grade   А40G   ( А40Г )
Assortment Dimension Direct. sв sT d5 y KCU Heat treatment
- mm - MPa MPa % % kJ / m2 -
Rolled stock hotrolled, GOST 1414-75     590   14 20  
Rolled stock cold-drawn , GOST 1414-75     590   17   Annealing


    Brinell hardness for     А40G   ( А40Г )   ,     Rolled stock GOST 1414-75 HB 10 -1 = 207   MPa
    Brinell hardness for     А40G   ( А40Г )   (annealing) ,     Rolled stock GOST 1414-75 HB 10 -1 = 229   MPa


Technological properties for grade   А40G   ( А40Г )
 Flakes : predisposed
Temper brittleness: predisposed


Equivalent steels for grade     А40G   ( А40Г )
Warning! Indicated both exact and nearest equivalents.
USAGermanyJapanFranceEnglandEuropeanItalySpainChinaBulgariaHungaryPolandRomaniaCzechia
-DIN,WNrJIS AFNORBSEN UNIUNEGBBDSMSZPNSTASCSN
1141
1144
C1144
G11410
G11440
G11444
G11460
44SMn28
45S20
46S20
SUM42
SUM43
45MF6
216M36
226M44
44SMn28
1.0762
44SMn28
CF44SMn28
45MnS6
Y40Mn
44SMn28
A45
ANS2
A35G2
A45
AUT40Mn
11140


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]

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

  А40G   ( А40Г ) - Rolled steel of improved and high cutting machinability: 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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