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Name:Y12
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Brief introduction: Y12
Y12 is the code name of a steel. Y12 is divided into two types, sulfur-phosphorus composite low-carbon free-cutting steel and free-cutting steel.
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Mechanical Properties


Tensile strength 387~662 σb/MPa
Yield Strength 452 σ 0.2 ≥/MPa
Elongation 15 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 022~672 -
HRC 30 -

Physical Properties

Thermal expansion 66-36 e-6/K
Thermal conductivity 61-35 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 7382-8745 째C
Density 5424-9973 kg/m3
Resistivity 0.50-0.60 Ohm.mm2/m
     

Heat Treatment Regime

Annealing

Quenching

Tempering

Normalizing

Q & T

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