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Characteristics for grade     АS40KHGNM   ( АС40ХГНМ )

      Grade :     АS40KHGNM   ( АС40ХГНМ )
      Classification :   Rolled steel of improved and high cutting machinability
      Equivalent grades:     Is absent



Chemical composition in % for grade   АS40KHGNM   ( АС40ХГНМ )
C Si Mn Ni S P Cr Mo Cu Pb -
0.37 - 0.430.17 - 0.370.5 - 0.80.7 - 1.1max   0.03max   0.0350.6 - 0.90.15 - 0.25max   0.30.15 - 0.3 S+P <0.06


Mechanical properties under Т=20oС for grade   АS40KHGNM   ( АС40ХГНМ )
Assortment Dimension Direct. sв sT d5 y KCU Heat treatment
- mm - MPa MPa % % kJ / m2 -
Blank, GOST 1414-75 25   1000 850 12  900Guenching 830 - 850oC, oil, Drawing 580 - 620oC, air,


    Brinell hardness for     АS40KHGNM   ( АС40ХГНМ )   (hot-rolled, annealing) ,       GOST 1414-75 HB 10 -1 = 241   MPa
    Brinell hardness for     АS40KHGNM   ( АС40ХГНМ )   (cold-drawn, cold-worked) ,       GOST 1414-75 HB 10 -1 = 269   MPa
    Brinell hardness for     АS40KHGNM   ( АС40ХГНМ )   (high tempering) ,       GOST 1414-75 HB 10 -1 = 255   MPa


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]

  АS40KHGNM   ( АС40ХГНМ ) - 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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