VT machining offers CNC Turning for 1020 Steel (UNS G10200 / C22 / S20C), typically supplied hot-rolled or cold-drawn. Close to 1018 with slightly lower Mn; general machined parts.
CNC Turning Notes for 1020 Steel
1020 Steel turns with good chip control at standard cutting data.
For estimating, a 100 × 100 × 10 mm block of 1020 Steel weighs about 0.79 kg.
Starting Parameters for CNC Turning 1020 Steel
| Cutting speed (carbide) | 205-360 m/min |
|---|---|
| Feed | 0.1-0.35 mm/rev |
| Spindle speed, Ø25 mm bar | 2610-4580 rpm |
| Insert / tool class | ISO P — CVD-coated carbide |
| Coolant | Emulsion (5-8%); dry is possible for interrupted cuts |
Starting values for 1020 Steel, Hot-rolled or cold-drawn; optimised on the first article.
1020 Steel Data Relevant to CNC Turning
| Equivalent designations | UNS G10200 / C22 / S20C |
|---|---|
| Key composition | C 0.18-0.23% |
| Typical supply condition | Hot-rolled or cold-drawn |
| Hardness (typical) | ~68 HRB |
| Machinability rating | 72% (AISI B1112 = 100%) |
Typical values; we work to your drawing and mill certificate.
How 1020 Steel Differs
Close to 1018 with slightly lower Mn; general machined parts.
Typical applications: Axles, bolts, general parts.
1020 Steel vs Similar Grades
| 1020 Steel | 1018 Steel | 1045 Steel | 1010 Steel | |
|---|---|---|---|---|
| Key composition | C 0.18-0.23% | C 0.15-0.20%, Mn 0.6-0.9% | C 0.43-0.50% | C 0.08-0.13% |
| Hardness | ~68 HRB | ~71 HRB | ~170-210 HB | ~55-65 HRB |
| Tensile (MPa) | ~420 | ~440 | ~570-625 | ~330-365 |
| Machinability % | 72 | 78 | 57 | 55 |
| Typical use | Axles, bolts, general parts | Shafts, pins, spacers, fixtures | Shafts, gears, axles, studs | Formed parts, rivets, cold-headed parts |
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 1020 Steel
Send a STEP/IGES model or PDF drawing, confirm 1020 Steel and its condition (we usually see it supplied hot-rolled or cold-drawn), the quantity, critical tolerances and any finish or certificate requirements.
1020 Steel in Other Processes
Related
Send the drawing, the 1020 Steel condition and the quantity — pricing and lead time come back the same or next business day.
Request a QuoteFrequently Asked Questions
What material thickness or size range suits CNC Turning 1020 Steel?
Turned 1020 Steel parts are produced from bar or chuck stock across a wide diameter range.
What is CNC Turning 1020 Steel and how is it done?
CNC Turning 1020 Steel refers to cNC turning rotates the workpiece against a single-point tool to produce cylindrical features, threads and grooves. Applied to 1020 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 is the typical lead time and minimum order for CNC Turning 1020 Steel?
CNC Turning prototypes for 1020 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.
What surface finish is achievable on 1020 Steel with CNC Turning?
Surface finish on 1020 Steel is controlled to your specification; we confirm the achievable Ra against your callout.
What tolerances can you hold for CNC Turning 1020 Steel?
Achievable tolerances for 1020 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.