AISI 1045 SAE UNS G1045 Carbon

Yide Casting now can provide the service of producing and machining AISI 1045 SAE UNS G10400 carbon steel. Please feel free to contact us for professional service, if you have any thoughts on this material product.

Today, we will introduce the chemical composition, physical and mechanical properties and equivalent material grades of AISI 1045 carbon steel.

Chemical Composition

The chemical composition of AISI 1045 carbon steel is outlined in the following table.

Element Content (%)
Carbon, C 0.43-0.50
Manganese, Mn 0.60-0.90
Sulfur, S 0.05 (max)
Phosphorous, P 0.04 (max)
Iron, Fe Balance

Physical Properties

The physical properties of AISI 1045 carbon steel are tabulated below.

Properties Metric Imperial
Density 7.87 g/cm3 0.284 lb/in3

Mechanical Properties

The following table shows mechanical properties of cold rolled AISI 1045 carbon steel.

Properties Metric Imperial
Tensile strength 585 MPa 84800 psi
Yield strength 450 MPa 65300 psi
Modulus of elasticity 200 GPa 29000 ksi
Shear modulus (typical for steel) 80 GPa 11600 ksi
Poisson’s ratio 0.29 0.29
Elongation at break (in 50 mm) 12 % 12 %
Hardness, Brinell 163 163
Hardness, Knoop (converted from Brinell hardness) 184 184
Hardness, Rockwell B (converted from Brinell hardness) 84 84
Hardness, Vickers (converted from Brinell hardness) 170 170

Thermal Properties

The thermal properties of cold drawn AISI 1045 carbon steel are given in the following table.

Properties Metric Imperial
Thermal conductivity 51.9 W/mK 360 BTU in/hr.ft2.°F
Thermal expansion co-efficient (@0.000-100°C/32-212°F) 11.2 µm/m°C 6.22 µm/m°C

Other Designations

Other designations that are equivalent to AISI 1045 carbon steel include: AFNOR XC 42 TS, AFNOR XC 45, AFNOR XC 48, AFNOR XC42, DIN 1.1191, JIS S 45C, JIS S 48 C, SS 1672, ASTM A29, ASTM A510, ASTM A519, ASTM A576, FED QQ-S-635 (C1045), FED QQ-S-700 (1045), SAE J403, ASTM A682, SAE J414, ASTM A183 (2-Nuts), ASTM A236 (1045), SAE J412, ASTM A266 (1045), ASTM A827, ASTM A830, QQ S700 (C1045), SAE J1397 (1045).

Fabrication and Heat Treatment

  • Heat Treatment

AISI 1045 carbon steel can be heat treated using flame and induction hardening.

  • Forging

AISI 1045 carbon steel can be hammer forged.

  • Applications

The application areas of AISI 1045 carbon steel includes: Boltsm, Studs, Gears, Axles, Shafts, Machine parts.

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