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Characteristics for grade     40GR   ( 40ГР )

      Grade :     40GR   ( 40ГР )
      Classification :   Alloy structurall steel
      Equivalent grades:   Go here



Chemical composition in % for grade   40GR   ( 40ГР )
C Si Mn Ni S P Cr Cu B
0.37 - 0.450.17 - 0.370.7 - 1max   0.3max   0.035max   0.035max   0.3max   0.30.001 - 0.005


Mechanical properties under Т=20oС for grade   40GR   ( 40ГР )
Assortment Dimension Direct. sв sT d5 y KCU Heat treatment
- mm - MPa MPa % % kJ / m2 -
Bar, GOST 4543-71 Ø 25   590 355 17 45590Guenching 860oC, air, Drawing 600oC, air,


    Brinell hardness for     40GR   ( 40ГР )   ,       GOST 4543 HB 10 -1 = 207   MPa


Equivalent steels for grade     40GR   ( 40ГР )
Warning! Indicated both exact and nearest equivalents.
USAGermany
-DIN,WNr
1039
G10390
G10400
G10430
40Mn4


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]

  40GR   ( 40ГР ) - 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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