China’s steel foundry produces AISI 1085 SAE UNS G10850 carbon steel castings. Today, Yide Casting will introduce to you the chemical composition, physical and mechanical properties of the material and the equivalent material grade.

Chemical Composition

The chemical composition of AISI 1085 carbon steel is outlined in the following table.

Element Content (%)
Iron, Fe ~ 99
Carbon, C 0.80 – 0.93
Manganese, Mn 0.70 – 1
Sulfur, S 0.05 (max)
Phosphorous, P 0.04 (max)

Physical Properties

The physical properties of AISI 1085 carbon steel are tabulated below.

Properties Metric Imperial
Density 7.7-8.03 g/cm3 0.278-0.290 lb/in³

Mechanical Properties

The following table shows mechanical properties of AISI 1085 carbon steel.

Properties Metric Imperial
Elastic modulus 190-210 GPa 29700-30458 ksi
Poisson’s ratio 0.27-0.30 0.27-0.30

Thermal Properties

The thermal properties of AISI 1085 carbon steel are given in the following table.

Properties Conditions
T (ºC) Treatment
Thermal expansion co-efficient 14.7 x (10-6/ ºC) 0 – 700 annealed

Other Designations

Other designations that are equivalent to AISI 1085 carbon steel include the following: ASTM A510 (1085), ASTM A682 (1085), ASTM A830, QQ S700 (C1085), SAE J1397 (1085), SAE J403 (1085), SAE J412 (1085).


Yide casting can provide iron casting and machining services, as an experienced iron casting foundry in China. We also cooperate with cast steel factories, so as to broaden our range of service. If you have any requirements or questions about cast iron, please don’t hesitate to contact us for more details.