AISI/SAE 1045 C45 Round Steel Bar

AISI/SAE 1045 C45 round steel bar offers good strength and machinability at a competitive price, suitable for general structural and mechanical applications. For corrosive environments, surface treatments like galvanizing or alloy steel grades are recommended.
Description

AISI/SAE 1045 C45 Round Steel Bar

AISI 1045 / C45 is a medium carbon steel grade, widely recognized for balanced tensile strength, hardness and machining performance. It is the most popular medium carbon round bar for mechanical manufacturing all over the world. It can be normalized, quenched and tempered to achieve higher mechanical properties.

AISI/SAE 1045 C45 round steel bar offers good strength and machinability at a competitive price, suitable for general structural and mechanical applications. For corrosive environments, surface treatments like galvanizing or alloy steel grades are recommended.

Product Features

  • Medium carbon content, good hardenability after heat treatment
  • Excellent cutting and machinability
  • Great tensile strength and wear resistance compared with low carbon steel
  • Available in hot rolled, cold drawn and forged types
  • Custom surface, cutting and heat treatment service available

Main Applications

  • Shafts, gears, pins, bolts and mechanical spare parts
  • Engineering machinery, agricultural machinery components
  • Automotive parts, hydraulic equipment accessories
  • General structural parts requiring higher strength

Product Parameters

Product NameAISI/SAE 1045 C45 Round Steel Bar
StandardEN/DIN/JIS/ASTM/BS/ASME/AISI, etc.
Common Round Bar Specifications3.0-50.8 mm, Over 50.8-300mm
Flat Steel Common Specifications6.35×12.7mm, 6.35×25.4mm, 12.7×25.4mm
Hexagon Bar Common SpecificationsAF5.8mm-17mm
Square Bar Common SpecificationsAF2mm-14mm, AF6.35mm, 9.5mm, 12.7mm, 15.98mm, 19.0mm, 25.4mm
Length1-6 meters, custom length available
Diameter(mm)Hot Rolling Round Bar25-600Cold Rolling Square Bar6-50.8
Hot Rolling Square Bar21-54Cold Rolling Hexagon Bar9.5-65
Cold Rolling Round bar6-101.6Forged Rebar200-1000
Surface ProcessBright, Polished, Black

Packing & Inspection

Packed in bundles with steel straps and waterproof wrapping. MTC mill test certificate is supplied before shipment. We support chemical composition test, tensile test, hardness test and UT inspection as customer’s requirement. Flexible trade terms: EXW, FOB, CIF.