AISI 1064 Carbon Steel (UNS G10640)

Sep 18 2012

Topics Covered

Introduction
Chemical Composition
Physical Properties
Mechanical Properties
Thermal Properties
Other Designations

Introduction

Carbon steels are the steels having carbon as the main alloying element. They also contain up to 0.4% silicon and 1.2% manganese. In addition, the residual elements such as copper, molybdenum, aluminium, chromium and nickel are present in these steels.

The following sections will give an overview of AISI 1064 carbon steel in detail.

Chemical Composition

The chemical composition of AISI 1064 carbon steel is outlined in the following table.

Element Content (%)
Iron, Fe 98.41 - 98.9
Carbon, C 0.60 - 0.70
Manganese, Mn 0.50 - 0.80
Sulfur, S ≤ 0.050
Phosphorous, P ≤ 0.040

Physical Properties

The physical properties of AISI 1064 carbon steel are tabulated below.

Properties Metric Imperial
Density 7.85 g/cm3 0.284 lb/in³

Mechanical Properties

The following table shows mechanical properties of cold drawn AISI 1064 carbon steel.

Properties Metric Imperial
Tensile strength, ultimate 615 MPa 89200 psi
Tensile strength, yield 475 MPa 68900 psi
Modulus of elasticity 190-210 GPa 29700-30458 ksi
Bulk modulus (typical for steel) 140 GPa 20300 ksi
Shear modulus (typical for steel) 80 GPa 11600 ksi
Poissons ratio 0.27-0.30 0.27-0.30
Elongation at break (in 50 mm) 10% 10%
Reduction of area 45% 45%
Hardness, Brinell 183 183
Hardness, Knoop (converted from Brinell hardness) 204 204
Hardness, Rockwell B (converted from Brinell hardness) 89 89
Hardness, Vickers (converted from Brinell hardness) 192 192
Machinability (based on AISI 1212 steel. as 100 machinability) 60 60

Thermal Properties

The thermal properties of AISI 1064 carbon steel are given in the following table.

Properties Metric Imperial
Thermal conductivity 49.8 W/mK 346 BTU in/hr.ft².°F

Other Designations

Other designations that are equivalent to AISI 1064 carbon steel include the following:

  • AFNOR XC 60
  • AFNOR XC 65
  • DIN 1.1221
  • SS 1665
  • SS 1678
  • ASTM A230
  • ASTM A26
  • ASTM A29
  • ASTM A57
  • ASTM A682
  • SAE J403
  • SAE J412
  • SAE J414

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