AISI AISI1141 Free-Cutting Steel

What is AISI1141?

AISI1141 steel is an AISI/SAE standard material with free-cutting steel. This comprehensive guide covers chemical composition, mechanical properties, and machining characteristics per AISI/SAE standards.

Chemical Composition

Element Content (%) Standard
C 0.37-0.45 AISI/SAE
Mn 1.35-1.65 AISI/SAE
S 0.08-0.13 AISI/SAE

Mechanical Properties

Property Value Standard
Tensile Strength ≥600 MPa AISI/SAE
Yield Strength ≥400 MPa AISI/SAE
Elongation ≥15% AISI/SAE
Hardness 195 HV HV
Density 7.85 g/cm³ 20°C

Key Features

  • Good mechanical properties for general applications
  • Suitable for heat treatment
  • Good machinability
  • Widely used in automotive and machinery
  • Cost-effective carbon steel

Applications

  • Automotive components
  • Machine parts and shafts
  • Bolts and fasteners
  • Structural applications

Machinability

AISI1141 steel has good machinability. Recommended: Carbide tools, cutting speed 100-180 m/min, feed 0.15-0.35 mm/rev, soluble oil coolant.

Why Choose Us?

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

Turn this machining question into a manufacturable part

Need this material or process for your next CNC project?

Send your STEP, STP, IGES, DXF, PDF, material, quantity, surface finish, and tolerance requirements. We will review manufacturability and reply with practical quotation guidance.

Email Drawings WhatsApp RFQ
Scroll to Top
WhatsApp RFQ