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Metals -> Structural steel -> High workability structural steel

Characteristics of the material А40G   ( А40G,   А40Г ).

Material : А40G   ( А40G,   А40Г )
Classification : High workability structural steel


Chemical composition in % of the material А40G   ( А40G,   А40Г ) .
C Si Mn S P
0.37 - 0.450.15 - 0.351.2 - 1.550.18 - 0.3max   0.05


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


Mechanical properties under Т=20oС of the material А40G   ( А40G,   А40Г ) .
Assortment Dimension Direct. sв sT d5 y KCU Heat treatment
- mm - MPa MPa % % kJ / m2 -
Bar hotrolled     590   14 20 As-delivered state


    Brinell hardness of the material   А40G   ( А40G,   А40Г )   (hot-rolled) ,       HB 10 -1= 207   MPa
    Brinell hardness of the material   А40G   ( А40G,   А40Г )   (high tempering) ,       HB 10 -1= 229   MPa


Technological properties of the material А40G   ( А40G,   А40Г ) .
 Flakes : predisposed
Temper brittleness: predisposed



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

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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