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.

ElementContent (%)
Carbon, C0.43-0.50
Manganese, Mn0.60-0.90
Sulfur, S0.05 (max)
Phosphorous, P0.04 (max)
Iron, FeBalance

Physical Properties

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

Density7.87 g/cm30.284 lb/in3

Mechanical Properties

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

Tensile strength585 MPa84800 psi
Yield strength450 MPa65300 psi
Modulus of elasticity200 GPa29000 ksi
Shear modulus (typical for steel)80 GPa11600 ksi
Poisson’s ratio0.290.29
Elongation at break (in 50 mm)12 %12 %
Hardness, Brinell163163
Hardness, Knoop (converted from Brinell hardness)184184
Hardness, Rockwell B (converted from Brinell hardness)8484
Hardness, Vickers (converted from Brinell hardness)170170

Thermal Properties

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

Thermal conductivity51.9 W/mK360 BTU in/hr.ft2.°F
Thermal expansion co-efficient (@0.000-100°C/32-212°F)11.2 µm/m°C6.22 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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