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Description

Japan JIS TC120 Carbon tool steel and TC120 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Tool Steel And Hard Alloy: TC120
Category Type Steel Grade Standard Country Application
Steel GradesTool Steel And Hard Alloy TC120 JIS Japan Carbon tool steel
S2-9-1
1.3346
S2-9-2
1.3348
S18-0-1
1.3355
SK140
SK1
SK120
SK2

Chemical composition(mass fraction)(wt.%) of the TC120

C(%) Si(%) Mn(%) P(%) S(%)
1.15-1.25 0.15-0.35 0.15-0.50 Max 0.030 Max 0.030

Mechanical Properties of steel grade TC120

Yield
Rp0.2 (MPa)
Tensile
Rm (MPa)
Impact
KV/Ku (J)
Elongation
A (%)
Reduction in cross section on fracture
Z (%)
As-Heat-Treated Condition Brinell hardness (HBW)
378 (≥) 971 (≥) 33 11 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 124

Physical Properties of steel grade TC120

Temperature
(°C)
Modulus of elasticity
(GPa)
Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and Thermal conductivity
(W/m·°C)
Specific thermal capacity
(J/kg·°C)
Specific electrical resistivity
(Ω mm²/m)
Density
(kg/dm³)
Poisson’s coefficient, ν
24 - -     0.23 -  
563 982 - 22.3 333   -  
744 - 22 44.2   441 423

Heat Treatment of steel grade TC120

Heat treated : 1468°C - 1228°C

Technological Curves of steel grade TC120

Cross Reference Table (Equivalent Grade) of TC120

Grade Standard Country Application
TC120 JIS Japan Carbon tool steel

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