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Metals -> Tool steel -> Carbon tool steel

Characteristics of the material U12А   ( U12А,   У12А ).

Material : U12А   ( U12А,   У12А )
Classification : Carbon tool steel


Chemical composition in % of the material U12А   ( U12А,   У12А ) .
C Si Mn Ni S P Cr Cu
1.16 - 1.230.17 - 0.330.17 - 0.28max   0.2max   0.018max   0.025max   0.2max   0.2


Temperature of critical points of the grade U12А   ( U12А,   У12А ).
Ac1 = 730 ,      Ac3(Acm) = 820 ,       Ar1 = 700 ,       Mn = 200


Mechanical properties under Т=20oС of the material U12А   ( U12А,   У12А ) .
Assortment Dimension Direct. sв sT d5 y KCU Heat treatment
- mm - MPa MPa % % kJ / m2 -
Band annealed 0.08 - 3   750   10    


    Brinell hardness of the material   U12А   ( U12А,   У12А )   (annealing) ,       HB 10 -1= 207   MPa


Physical properties of the material U12А   ( U12А,   У12А ) .
T E 10- 5 a 10 6 l r C R 10 9
Grade MPa 1/Grade Watt/(m·Grade) kg/m3 J/(kg·Grade) Ohm·m
20       7810    



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]

Database of steels and alloys (Marochnik) contains information about chemical composition and properties of 1500 steels and alloys (stainless steel, alloy steel, carbone steel, structural steel, tool steel, cast iron, aluminum alloy, titanium alloy, copper alloy, nickel alloy, magnesium alloy and others).
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