VT machining offers CNC Milling for SPCC Steel (JIS G3141 / ~DC01 / ~1008 CR), typically supplied cold-rolled sheet. Cold-rolled commercial sheet with clean surface for painting.
CNC Milling Notes for SPCC Steel
SPCC Steel mills well with conventional strategies; finishing passes are planned to meet flatness and finish callouts.
For estimating, a 100 × 100 × 10 mm block of SPCC Steel weighs about 0.79 kg.
Starting Parameters for CNC Milling SPCC Steel
| Cutting speed (carbide) | 135-235 m/min |
|---|---|
| Feed per tooth | 0.035-0.123 mm |
| Spindle speed, Ø10 mm end mill | 4300-7480 rpm |
| Insert / tool class | ISO P — CVD-coated carbide |
| Coolant | Emulsion (5-8%); dry is possible for interrupted cuts |
| Thermal growth, 100 mm part, +10 °C | 11.7 µm (CTE 11.7 µm/m·K) |
Starting values for SPCC Steel, Cold-rolled sheet; optimised on the first article.
SPCC Steel Data Relevant to CNC Milling
| Equivalent designations | JIS G3141 / ~DC01 / ~1008 CR |
|---|---|
| Key composition | C ≤0.15% |
| Typical supply condition | Cold-rolled sheet |
| Hardness (typical) | ~50-65 HRB |
| Machinability rating | 55% (AISI B1112 = 100%) |
Typical values; we work to your drawing and mill certificate.
How SPCC Steel Differs
Cold-rolled commercial sheet with clean surface for painting.
Typical applications: Sheet-metal enclosures, brackets, panels.
SPCC Steel vs Similar Grades
| SPCC Steel | Q345 Steel | SECC Steel | Q235 Steel | |
|---|---|---|---|---|
| Key composition | C ≤0.15% | C ≤0.20%, Mn ≤1.7% | SPCC base + electro-zinc | C ≤0.22%, Mn ≤1.4% |
| Hardness | ~50-65 HRB | ~150 HB | ~50-65 HRB | ~120 HB |
| Tensile (MPa) | ≥270 | 470-630 | ≥270 | 370-500 |
| Machinability % | 55 | 65 | 55 | 70 |
| Typical use | Sheet-metal enclosures, brackets, panels | Bridges, machine bases, pressure parts | Computer chassis, electrical cabinets | Frames, plates, general fabrications |
More on CNC Milling Steel
Finishing options, quality documentation and general cnc milling guidance for all steel grades are on our CNC Milling Steel page.
No drawing yet? Sketch the part in our free 3D + 2D builder and send it with your RFQ.
Quoting CNC Milling SPCC Steel
Send a STEP/IGES model or PDF drawing, confirm SPCC Steel and its condition (we usually see it supplied cold-rolled sheet), the quantity, critical tolerances and any finish or certificate requirements.
SPCC Steel in Other Processes
Related
Send the drawing, the SPCC Steel condition and the quantity — pricing and lead time come back the same or next business day.
Request a QuoteFrequently Asked Questions
What is CNC Milling SPCC Steel and how is it done?
CNC Milling SPCC Steel refers to multi-axis milling cutters remove material to produce prismatic features, pockets, slots and contoured 3D surfaces. Applied to SPCC Steel — strong, economical and widely available — VT machining produces each part to your CAD drawing, selecting parameters from your tolerance, finish and quantity requirements.
Why is SPCC Steel a good choice for CNC Milling?
SPCC Steel is strong, economical and widely available, which makes it well suited to CNC Milling. We tune the process to the alloy so the finished SPCC Steel machining part meets your dimensional and functional requirements.
Which industries use CNC Milling SPCC Steel parts?
CNC Milling SPCC Steel parts are used across aerospace, medical, automotive, electronics, semiconductor and general industrial sectors — anywhere precise SPCC Steel components are required.
What is the typical lead time and minimum order for CNC Milling SPCC Steel?
CNC Milling prototypes for SPCC 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.