Steel Solutions since 1982

Peeled Round Bars / Carbon Steel

AISI 1018

Low Carbon Steel

Material Overview

AISI 1018 - Low Carbon Steel

Material Type

Composition: ~0.18% carbon

Key Benefit: Excellent machinability and weldability

Characteristics

  • Weldability: Excellent - can be welded by all methods
  • Machinability: Excellent - easy to machine and form
  • Cold Forming: Good for cold working operations
  • Carburizing: Suitable for case hardening

Mechanical Properties

Tensile Strength: 440-480 MPa
Yield Strength: 370 MPa
Hardness: ~120 HB
Elongation: 15-20%

Applications

  • Pins, dowels, and shafts
  • Studs and machine components
  • Carburized parts (gears, cams)
  • General engineering components
  • Structural parts and brackets
  • Low-stress applications

Advantages

  • Cost-Effective: Economical material for general use
  • Easy Machining: Excellent chip formation and tool life
  • Good Weldability: No pre-heat or post-weld treatment needed
  • Formability: Excellent for cold forming and bending
  • Surface Hardening: Can be carburized for wear resistance

Processing Characteristics

  • Machining: Excellent - high cutting speeds possible
  • Welding: All standard welding methods applicable
  • Heat Treatment: Can be normalized, carburized, or case hardened
  • Cold Working: Good ductility for forming operations