VT machining offers CNC Turning for 1095 Steel (UNS G10950 / C100S / SK4), typically supplied annealed or hardened. Very high carbon; machined annealed then hardened for blades and springs.
CNC Turning Notes for 1095 Steel
1095 Steel turns with good chip control at standard cutting data.
For estimating, a 100 × 100 × 10 mm block of 1095 Steel weighs about 0.79 kg.
Starting Parameters for CNC Turning 1095 Steel
| Cutting speed (carbide) | 120-210 m/min |
|---|---|
| Feed | 0.1-0.35 mm/rev |
| Spindle speed, Ø25 mm bar | 1530-2670 rpm |
| Insert / tool class | ISO P — CVD-coated carbide |
| Coolant | Emulsion (5-8%); dry is possible for interrupted cuts |
Starting values for 1095 Steel, Annealed or hardened; optimised on the first article.
1095 Steel Data Relevant to CNC Turning
| Equivalent designations | UNS G10950 / C100S / SK4 |
|---|---|
| Key composition | C 0.90-1.03% |
| Typical supply condition | Annealed or hardened |
| Hardness (typical) | ~190 HB annealed; up to ~60 HRC hardened |
| Machinability rating | 42% (AISI B1112 = 100%) |
Typical values; we work to your drawing and mill certificate.
How 1095 Steel Differs
Very high carbon; machined annealed then hardened for blades and springs.
Typical applications: Knives, springs, cutting tools.
1095 Steel vs Similar Grades
| 1095 Steel | 1060 Steel | 1117 Steel | 1045 Steel | |
|---|---|---|---|---|
| Key composition | C 0.90-1.03% | C 0.55-0.65% | C 0.14-0.20%, S 0.08-0.13% | C 0.43-0.50% |
| Hardness | ~190 HB annealed; up to ~60 HRC hardened | ~180-230 HB | ~80 HRB | ~170-210 HB |
| Tensile (MPa) | ~680 annealed | ~680 | ~470 | ~570-625 |
| Machinability % | 42 | 51 | 91 | 57 |
| Typical use | Knives, springs, cutting tools | Springs, blades, wear plates | Case-hardened pins, shafts, studs | Shafts, gears, axles, studs |
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 1095 Steel
Send a STEP/IGES model or PDF drawing, confirm 1095 Steel and its condition (we usually see it supplied annealed or hardened), the quantity, critical tolerances and any finish or certificate requirements.
1095 Steel in Other Processes
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Send the drawing, the 1095 Steel condition and the quantity — pricing and lead time come back the same or next business day.
Request a QuoteFrequently Asked Questions
Which industries use CNC Turning 1095 Steel parts?
CNC Turning 1095 Steel parts are used across aerospace, medical, automotive, electronics, semiconductor and general industrial sectors — anywhere precise 1095 Steel components are required.
What is the typical lead time and minimum order for CNC Turning 1095 Steel?
CNC Turning prototypes for 1095 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 tolerances can you hold for CNC Turning 1095 Steel?
Achievable tolerances for 1095 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 CNC Turning 1095 Steel and how is it done?
CNC Turning 1095 Steel refers to cNC turning rotates the workpiece against a single-point tool to produce cylindrical features, threads and grooves. Applied to 1095 Steel — strong, economical and widely available — VT machining produces each part to your CAD drawing, selecting parameters from your tolerance, finish and quantity requirements.