VT machining offers CNC Turning for 1045 Steel (UNS G10450 / C45 / S45C), typically supplied normalised or cold-drawn. Medium carbon; can be induction- or flame-hardened.
CNC Turning Notes for 1045 Steel
1045 Steel turns with good chip control at standard cutting data.
For estimating, a 100 × 100 × 10 mm block of 1045 Steel weighs about 0.79 kg.
Starting Parameters for CNC Turning 1045 Steel
| Cutting speed (carbide) | 165-285 m/min |
|---|---|
| Feed | 0.1-0.35 mm/rev |
| Spindle speed, Ø25 mm bar | 2100-3630 rpm |
| Insert / tool class | ISO P — CVD-coated carbide |
| Coolant | Emulsion (5-8%); dry is possible for interrupted cuts |
Starting values for 1045 Steel, Normalised or cold-drawn; optimised on the first article.
1045 Steel Data Relevant to CNC Turning
| Equivalent designations | UNS G10450 / C45 / S45C |
|---|---|
| Key composition | C 0.43-0.50% |
| Typical supply condition | Normalised or cold-drawn |
| Hardness (typical) | ~170-210 HB |
| Machinability rating | 57% (AISI B1112 = 100%) |
Typical values; we work to your drawing and mill certificate.
How 1045 Steel Differs
Medium carbon; can be induction- or flame-hardened.
Typical applications: Shafts, gears, axles, studs.
1045 Steel vs Similar Grades
| 1045 Steel | 1020 Steel | 1060 Steel | 1018 Steel | |
|---|---|---|---|---|
| Key composition | C 0.43-0.50% | C 0.18-0.23% | C 0.55-0.65% | C 0.15-0.20%, Mn 0.6-0.9% |
| Hardness | ~170-210 HB | ~68 HRB | ~180-230 HB | ~71 HRB |
| Tensile (MPa) | ~570-625 | ~420 | ~680 | ~440 |
| Machinability % | 57 | 72 | 51 | 78 |
| Typical use | Shafts, gears, axles, studs | Axles, bolts, general parts | Springs, blades, wear plates | Shafts, pins, spacers, fixtures |
More on CNC Turning Steel
Finishing options, quality documentation and general cnc turning guidance for all steel grades are on our CNC Turning Steel page.
No drawing yet? Sketch the part in our free 3D + 2D builder and send it with your RFQ.
Quoting CNC Turning 1045 Steel
Send a STEP/IGES model or PDF drawing, confirm 1045 Steel and its condition (we usually see it supplied normalised or cold-drawn), the quantity, critical tolerances and any finish or certificate requirements.
1045 Steel in Other Processes
Related
Send the drawing, the 1045 Steel condition and the quantity — pricing and lead time come back the same or next business day.
Request a QuoteFrequently Asked Questions
What tolerances can you hold for CNC Turning 1045 Steel?
Achievable tolerances for 1045 Steel turning depend on the alloy, geometry and feature size. Turning holds diameter tolerances to around ±0.005 mm with concentricity within 0.01 mm. Exact figures are confirmed against your drawing callouts.
What is the typical lead time and minimum order for CNC Turning 1045 Steel?
CNC Turning prototypes for 1045 Steel can be produced quickly and scaled to series production. Send your drawing and quantity and we will advise lead time and any minimum order.
Does CNC Turning 1045 Steel require dedicated tooling?
Most 1045 Steel turning work uses standard cutting tools and CNC programs; dedicated fixtures are made only when geometry or volume requires them.
What is CNC Turning 1045 Steel and how is it done?
CNC Turning 1045 Steel refers to cNC turning rotates the workpiece against a single-point tool to produce cylindrical features, threads and grooves. Applied to 1045 Steel — strong, economical and widely available — VT machining produces each part to your CAD drawing, selecting parameters from your tolerance, finish and quantity requirements.
What material thickness or size range suits CNC Turning 1045 Steel?
Turned 1045 Steel parts are produced from bar or chuck stock across a wide diameter range.
Can VT machining make custom 1045 Steel parts to my drawing?
Yes. 1045 Steel turning is made to order from your CAD/2D drawing. Share your geometry, material grade, tolerance and quantity and we will confirm feasibility, lead time and pricing.