Y12 Free-Cutting Steel

What is Y12?

Y12 is an engineering material with free-cutting steel. This guide covers chemical composition, mechanical properties, and machining per GB/T or ASTM standards.

Chemical Composition

Element Content (%) Standard
C 0.10-0.45 GB/T or ASTM
Mn 0.70-1.00 GB/T or ASTM
S ≥0.15 GB/T or ASTM
Pb 0.15-0.35 GB/T or ASTM

Mechanical Properties

Property Value Standard
Tensile Strength ≥500 MPa ASTM/GB
Yield Strength ≥350 MPa ASTM/GB
Elongation ≥15% ASTM/GB
Hardness 180 HV HV
Density 7.85 g/cm³ 20°C

Key Features

  • Good mechanical properties
  • Suitable for industrial applications
  • Good machinability
  • Cost-effective

Applications

  • Industrial components
  • Automotive parts
  • Machine tool components
  • Structural applications

Machinability

Y12 has good machinability. Recommended: Carbide tools, appropriate cutting parameters, adequate coolant.

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