Chinese steel foundries produce AISI 1026 SAE UNS G10260 carbon steel castings. Today, we will introduce the chemical composition, physical and mechanical properties and equivalent material grades of AISI 1026. The following sections will give you an overview of AISI 1026 carbon steel in details.

Chemical Composition

The chemical composition of AISI 1026 carbon steel is outlined in the following table.

ElementContent (%)
Iron, Fe98.73-99.18
Carbon, C0.220-0.280
Manganese, Mn0.60-0.90
Sulfur, S≤ 0.050
Phosphorous, P≤ 0.040

Physical Properties

The following table shows the physical properties of AISI 1026 carbon steel.

Density7.858 g/ cm30.2839 lb/in³

Mechanical Properties

The mechanical properties of cold drawn AISI 1026 carbon steel are displayed in the following table.

Tensile strength490 MPa71100 psi
Yield strength415 MPa60200 psi
Bulk modulus (typical for steel)140 GPa20300 ksi
Shear modulus (typical for steel)80.0 GPa11600 ksi
Elastic modulus190-210 GPa27557-30458 ksi
Poisson’s ratio0.27-0.300.27-0.30
Elongation at break (In 50 mm)15.00%15.00%
Reduction of area40.00%40.00%
Hardness, Brinell143143
Hardness, Knoop (converted from Brinell hardness)163163
Hardness, Rockwell B (converted from Brinell hardness)7878
Hardness, Vickers (converted from Brinell hardness)149149
Machinability (based on AISI 1212 steel as 100 machinability. The machinability of Group I bar, rod, and wire products can be improved by cold drawing.)7575

Thermal Properties

The thermal properties of AISI 1026 carbon steel are given in the following table.

Thermal expansion co-efficient (@0.000-100°C/32-212°F)12.1 µm/m°C6.72 µin/in°F
Thermal conductivity (0ºC)51.9 W/mK360 BTU in/hr.ft².°F

Other Designations

Equivalent materials to AISI 1026 carbon steel are given in the following table.

ASTM A545ASTM A576ASTM A830MIL F-20670MIL S-22698
MIL S-24093SAE J1397SAE J403SAE J412SAE J414

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