Y20 Free-Cutting Steel

What is Y20?

Y20 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 0.17-0.24 ASTM/GB
Mn 0.35-0.65 ASTM/GB
P ≤0.035 ASTM/GB
S ≤0.035 ASTM/GB
Si 0.17-0.37 ASTM/GB
Fe Balance ASTM/GB

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

Y20 has good machinability. Recommended: Carbide tools, appropriate cutting parameters, adequate coolant.

Why Choose Us?

We specialize in precision machining. Contact us for a quote!

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