Plain carbon steel

SAE 1045 / C45 Steel Billets

SAE 1045 / C45 medium carbon steel. A common medium carbon steel with good strength and machinability. Often used in the normalised or quenched and tempered condition.

SAE 1045 / C45 chemical composition

C0.43 – 0.50 %
Si0.40 max %
Mn0.60 – 0.90 %
P0.040 max %
S0.050 max %

Indicative ranges from the common grade standard. The final analysis is as per the order and the heat test certificate.

Equivalent grades

C45 / 1.0503 (EN 10083) · EN8 approx. · S45C (JIS)

Equivalents are approximate. See the grade equivalents guide.

SAE 1045 / C45 billets and blooms

1045 / C45 billets and blooms are an everyday forging and machining grade.

Kesari Alloys supplies SAE 1045 / C45 as continuous cast billets and blooms from 100 × 100 to 250 × 250 mm and 200 mm round, in lengths up to 12 metres. See the billet size chart for weight per metre.

Heat treatment: Normalised, or hardened and tempered. Surface hardening is possible by induction.

Typical uses of SAE 1045 / C45

Industries: re-rolling mills, sugar mill shafts and rollers, railway components, fasteners and bolts, flange forging.

Related grades

SAE 1045 / C45 questions

What is SAE 1045 / C45 steel used for?

SAE 1045 / C45 is used for shafts and spindles, gears and sprockets, machine parts, bolts and studs.

What is the equivalent of SAE 1045 / C45?

C45 / 1.0503 (EN 10083) · EN8 approx. · S45C (JIS). Equivalents are approximate, so check the limits in your specification.

Does Kesari Alloys supply SAE 1045 / C45 billets?

Yes. SAE 1045 / C45 is available as continuous cast billets and blooms (100 to 250 mm and 200 mm round, up to 12 m). Send the size, length, quantity and standard to info@ksl.in for a quotation.