VT machining offers CNC Turning for 1018 Steel (UNS G10180 / C15 / S20C), typically supplied cold-drawn. The most common low-carbon machining bar; good finish and carburisable.
CNC Turning Notes for 1018 Steel
1018 Steel turns with good chip control at standard cutting data.
For estimating, a 100 × 100 × 10 mm block of 1018 Steel weighs about 0.79 kg.
Starting Parameters for CNC Turning 1018 Steel
| Cutting speed (carbide) | 225-390 m/min |
|---|---|
| Feed | 0.1-0.35 mm/rev |
| Spindle speed, Ø25 mm bar | 2860-4970 rpm |
| Insert / tool class | ISO P — CVD-coated carbide |
| Coolant | Emulsion (5-8%); dry is possible for interrupted cuts |
Starting values for 1018 Steel, Cold-drawn; optimised on the first article.
1018 Steel Data Relevant to CNC Turning
| Equivalent designations | UNS G10180 / C15 / S20C |
|---|---|
| Key composition | C 0.15-0.20%, Mn 0.6-0.9% |
| Typical supply condition | Cold-drawn |
| Hardness (typical) | ~71 HRB |
| Machinability rating | 78% (AISI B1112 = 100%) |
Typical values; we work to your drawing and mill certificate.
How 1018 Steel Differs
The most common low-carbon machining bar; good finish and carburisable.
Typical applications: Shafts, pins, spacers, fixtures.
1018 Steel vs Similar Grades
| 1018 Steel | 1010 Steel | 1020 Steel | 1008 Steel | |
|---|---|---|---|---|
| Key composition | C 0.15-0.20%, Mn 0.6-0.9% | C 0.08-0.13% | C 0.18-0.23% | C ≤0.10% |
| Hardness | ~71 HRB | ~55-65 HRB | ~68 HRB | ~50-60 HRB |
| Tensile (MPa) | ~440 | ~330-365 | ~420 | ~300-340 |
| Machinability % | 78 | 55 | 72 | 55 |
| Typical use | Shafts, pins, spacers, fixtures | Formed parts, rivets, cold-headed parts | Axles, bolts, general parts | Stampings, deep-drawn parts, panels |
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 1018 Steel
Send a STEP/IGES model or PDF drawing, confirm 1018 Steel and its condition (we usually see it supplied cold-drawn), the quantity, critical tolerances and any finish or certificate requirements.
1018 Steel in Other Processes
Related
Send the drawing, the 1018 Steel condition and the quantity — pricing and lead time come back the same or next business day.
Request a QuoteFrequently Asked Questions
Can VT machining make custom 1018 Steel parts to my drawing?
Yes. 1018 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.
What surface finish is achievable on 1018 Steel with CNC Turning?
Surface finish on 1018 Steel is controlled to your specification; we confirm the achievable Ra against your callout.
Why is 1018 Steel a good choice for CNC Turning?
1018 Steel is strong, economical and widely available, which makes it well suited to CNC Turning. We tune the process to the alloy so the finished 1018 Steel turning part meets your dimensional and functional requirements.
Does CNC Turning 1018 Steel require dedicated tooling?
Most 1018 Steel turning work uses standard cutting tools and CNC programs; dedicated fixtures are made only when geometry or volume requires them.
How clean are the edges produced by CNC Turning on 1018 Steel?
Machined 1018 Steel edges are clean and to specification; edge-break or deburring is added when your drawing calls for it.
What is the typical lead time and minimum order for CNC Turning 1018 Steel?
CNC Turning prototypes for 1018 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.