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Characteristics for grade     09G2   ( 09Г2 )

      Grade :     09G2   ( 09Г2 )
      Substitute:   10Г2, 09Г2С, 09Г2Д, 09Г2Т
      Classification :   Structural steel for welding construct
      Equivalent grades:   Go here



Chemical composition in % for grade   09G2   ( 09Г2 )
C Si Mn Ni S P Cr V N Cu As
max   0.120.17 - 0.371.4 - 1.8max   0.3max   0.035max   0.03max   0.3max   0.12max   0.008max   0.3max   0.08


Temperature of critical points for grade   09G2   ( 09Г2 ).
Ac1 = 720 ,      Ac3(Acm) = 830 ,       Ar3(Arcm) = 710 ,       Ar1 = 620 ,       Mn = 320


Mechanical properties under Т=20oС for grade   09G2   ( 09Г2 )
Assortment Dimension Direct. sв sT d5 y KCU Heat treatment
- mm - MPa MPa % % kJ / m2 -
Sheet, GOST 19282-73 4   450 310 21    
Bars to 140   480 345 21    


Technological properties for grade   09G2   ( 09Г2 )
  Weldability: without limitations.
 Flakes : not predisposed
Temper brittleness: not predisposed


Equivalent steels for grade     09G2   ( 09Г2 )
Warning! Indicated both exact and nearest equivalents.
GermanyEnglandChinaBulgariaPoland
DIN,WNrBSGBBDSPN
7Mn6
G8Mn7
68F62H5
09Mn2
09G2
09G2


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

  09G2   ( 09Г2 ) - Structural steel for welding construct: 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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