AISI 1090 SAE UNS G10900 Carbon Steel Foundry

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Steel foundry in China for producing AISI 1090 SAE UNS G10900 Carbon Steel castings. The followings are this material's chemical composition, physical and mechanical properties and equivalent material grades.

The following datasheet will discuss in detail about AISI 1090 carbon steel.

Chemical Composition

The following table shows the chemical composition of AISI 1090 carbon steel.

Element	Content (%)
Iron, Fe	98.03 - 98.55
Carbon, C	0.85 - 0.980
Manganese, Mn	0.60 - 0.90
Sulfur, S	≤ 0.050
Phosphorous, P	≤ 0.040

Physical Properties

The physical properties of AISI 1090 carbon steel are tabulated below.

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

Mechanical Properties

The mechanical properties of cold drawn AISI 1090 carbon steel are outlined in the following table.

Properties	Metric	Imperial
Tensile strength	696 MPa	101000 psi
Yield strength	540 MPa	78300 psi
Bulk modulus (typical for steel)	140 GPa	20300 ksi
Shear modulus (typical for steel)	80 GPa	11600 ksi
Elastic modulus	190-210 GPa	27557-30458 ksi
Poisson's ratio	0.27-0.30	0.27-0.30
Elongation at break (in 50 mm)	10%	10%
Reduction of area	40%	40%
Hardness, Brinell	197	197
Hardness, Knoop (converted from Brinell hardness)	219	219
Hardness, Rockwell B (converted from Brinell hardness)	92	92
Hardness, Rockwell C (converted from Brinell hardness. Value below normal HRC range, for comparison purposes only)	13	13
Hardness, Vickers (converted from Brinell hardness)	207	207