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Characteristics for grade     30KH3S3GML   ( 30Х3С3ГМЛ )



      Grade :     30KH3S3GML   ( 30Х3С3ГМЛ )
      Classification :   Casting alloy steel for general purposes
      Equivalent grades:     Is absent



Chemical composition in % for grade   30KH3S3GML   ( 30Х3С3ГМЛ )
C Si Mn S P Cr Mo
0.29 - 0.332.8 - 3.20.7 - 1.2max   0.02max   0.022.8 - 3.20.5 - 0.6


Mechanical properties under Т=20oС for grade   30KH3S3GML   ( 30Х3С3ГМЛ )
Assortment Dimension Direct. sв sT d5 y KCU Heat treatment
- mm - MPa MPa % % kJ / m2 -
Casting, GOST 977-88     1766 1472 4 15196 


Heat treatment of the material   30KH3S3GML   ( 30Х3С3ГМЛ )
Pre - processing - Normalizing 970 -990 ° C, Tempering 700 - 720 ° C
Final processing - Hardening 980 - 1000 ° C, Tempering 200 - 220 ° C



Types of delivery of grade   30KH3S3GML   ( 30Х3С3ГМЛ )
B82 - Steel Castings


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]

Physical properties :
T - Test temperature , [Grade]
E - Young modulus , [MPa]
a - Coefficient of linear expansion (range 20o - T ) , [1/Grade]
l - Termal (heat) condition coefficient , [Watt/(m·Grade)]
r - Density , [kg/m3]
C - Specific heat ( range 20o - T ), [J/(kg·Grade)]
R - Electrical resistance , [Ohm·m]

  30KH3S3GML   ( 30Х3С3ГМЛ ) - Casting alloy steel for general purposes: 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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