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Characteristics for grade     25G   ( 25Г )

      Grade :     25G   ( 25Г )
      Classification :   Alloy structurall steel
      Equivalent grades:   Go here



Chemical composition in % for grade   25G   ( 25Г )
C Si Mn Ni S P Cr Cu
0.22 - 0.30.17 - 0.370.7 - 1max   0.3max   0.035max   0.035max   0.3max   0.3


Temperature of critical points for grade   25G   ( 25Г ).
Ac1 = 723 ,      Ac3(Acm) = 820


Mechanical properties under Т=20oС for grade   25G   ( 25Г )
Assortment Dimension Direct. sв sT d5 y KCU Heat treatment
- mm - MPa MPa % % kJ / m2 -
Blank, GOST 4543-71 to 25   500 300 22 50880Guenching 880oC, water, Drawing 560oC, air,


    Brinell hardness for     25G   ( 25Г )   (annealing) ,       GOST 4543-71 HB 10 -1 = 197   MPa


Equivalent steels for grade     25G   ( 25Г )
Warning! Indicated both exact and nearest equivalents.
USAGermanyJapanEnglandChina
-DIN,WNrJIS BSGB
1026
1026H
1029
1525
G10260
G10290
G15250
GS-Ck25
S25C
STB410
070M26
080A25
25
25MnG
25Z


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]

  25G   ( 25Г ) - Alloy structurall 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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