CNC Routing 1020 Steel

Need reliable CNC Routing 1020 Steel? VT machining machines 1020 Steel to tight tolerances and consistent quality. As a material, 1020 Steel is strong, economical and widely available; we adapt feeds, speeds and tooling to suit.

CNC Routing Capability for 1020 Steel

  • Carbon/low-alloy grades
  • Economical & weldable
  • Tolerance to ±0.02 mm
  • Hardenable by heat treat

1020 Steel Material Data

1020 Steel — typical properties, quoted for 1045
Density7.85 g/cm³
Tensile strength585 MPa
Yield strength (0.2%)450 MPa
Hardness170 HB
Melting point1420–1460 °C
Thermal conductivity51.9 W/m·K
Thermal expansion11.5 ×10⁻⁶/K
Electrical conductivity9%
Machinability (C36000 = 100%)57%
Grades we run1018, 1045, 1215, A36, S45C, St37, 4140 (see alloy steel)

Published typical values for 1045. Other grades in the family differ — the certificate supplied with your order carries the actual heat-lot figures.

Machining 1020 Steel — what actually causes trouble

Rust. Bare steel flash-rusts within hours in a humid container, so parts are oiled or passivated before packing unless you specify otherwise.

Machining 1020 Steel with CNC Routing

The machinability of 1020 Steel is good to excellent depending on carbon content; free-machining grades cut cleanly. For CNC Routing we select tooling, feeds, speeds and coolant to match, keeping the 1020 Steel workpiece stable and the result accurate.

Because we machine 1020 Steel regularly, proven settings shorten setup and keep quality repeatable across reorders.

Achievable Tolerances for CNC Routing 1020 Steel

CNC Routing 1020 Steel — achievable tolerances
FeatureStandardPrecision
Linear dimension (< 100 mm)±0.05 mm±0.010 mm
Linear dimension (100–300 mm)±0.10 mm±0.025 mm
Hole diameter (reamed)H9H7
True position of hole pattern±0.10 mm±0.025 mm
Flatness over 100 mm0.05 mm0.015 mm
Perpendicularity0.10 mm0.020 mm
Surface finish, as machinedRa 1.6 µmRa 0.4 µm

Standard is what a normal quotation assumes. Precision is available on nominated features and is priced separately, because it needs extra setups, in-process gauging and CMM verification. Call out only the features that need it — blanket-tightening a drawing is the single most common reason a quote comes back expensive.

Secondary Operations & Finishing

We complete 1020 Steel components with the secondary steps your drawing calls for. We arrange heat treatment, surface treatment, marking and assembly as needed. Tell us the final spec and we will plan the full route so parts arrive ready to use.

CNC Routing Quality & Inspection

Consistent quality comes from disciplined process control. Critical dimensions on 1020 Steel parts are checked in-process and verified at final inspection using calibrated instruments and, where required, CMM measurement. Full documentation — dimensional reports, mill certs, FAIR — is available when your programme needs it.

Why 1020 Steel?

Specifying 1020 Steel for CNC Routing 1020 Steel is usually about its properties: strong, economical and widely available. Tell us the condition you need and we machine to it.

Design Tips for CNC Routing 1020 Steel

A few design choices make a real difference to cost and quality. Generous internal radii, sensible pocket depth-to-width ratios and avoiding very thin unsupported walls all reduce cost and improve accuracy in 1020 Steel. If you send your model early, we will return practical DFM feedback before you commit to production.

CNC Routing Tolerances & Surface Finish

For CNC Routing, dimensional and positional tolerances around ±0.01 mm are routine, tightening toward ±0.005 mm on precision setups. Surface finish on machined faces typically falls in the Ra 0.4–1.6 µm range depending on tooling and pass strategy.

The tightest tolerances are reserved for the features your drawing flags as critical. Share your tolerance scheme and we will confirm what is realistic before quoting.

Applications of CNC Routing 1020 Steel

CNC Routing of 1020 Steel supports parts across aerospace, medical, automotive, electronics, semiconductor, energy and general industrial sectors. We scale from one-off prototypes to ongoing production while holding the same quality.

How to Order CNC Routing 1020 Steel

Ordering 1020 Steel parts is straightforward. Provide the drawing, material, quantity and any certification needs. Our engineers reply — in English — with feasibility, pricing and a realistic lead time, usually within one business day.

Finishing Options for 1020 Steel

Finishing options available with this material
FinishThickness / effectWhy it gets specified
Black oxide1–2 µmMild corrosion resistance, no dimensional change
Zinc plate + clear/yellow5–12 µmASTM B633, general corrosion protection
Nickel plate (electroless)10–25 µmUniform in bores, 500 HV after bake
Phosphate5–10 µmPaint key, mild lubricity
Powder coat60–120 µmRAL colours
Deburr / edge break0.05–0.3 mmAll parts unless the drawing says otherwise
Bead blastRa 1.6–3.2 µmUniform matt finish, hides tool marks
Laser markingPart number, lot code, data matrix
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Set the metal, dimensions and features, watch the 3D model update as you type, then switch to the 2D sheet to add dimensions and tolerances. Download it or send it straight to us with your RFQ.

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What We Need to Quote CNC Routing 1020 Steel

  • GeometrySTEP or IGES for the 3D model, plus a PDF drawing if you have tolerance callouts. A dimensioned sketch is enough to start.
  • MaterialThe exact 1020 Steel grade and condition — temper, heat-treat state or hardness. If you are not sure, tell us the function and we will suggest one.
  • QuantityPrototype count and the expected annual volume. Both change how the part is made and therefore what it costs.
  • TolerancesWhich features are critical. Everything else runs to our standard tolerance, which is what keeps the price sensible.
  • FinishSurface treatment, cosmetic requirements, and any faces that must be masked.
  • DocumentsWhether you need a material certificate, dimensional report, FAIR or PPAP with the shipment.

Missing something from the list is not a problem — send what you have. We will come back with the specific questions rather than a generic form.

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.

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Frequently Asked Questions

Can VT machining make custom 1020 Steel parts to my drawing?

Yes. 1020 Steel 1020 Steel machining 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 material thickness or size range suits CNC Routing 1020 Steel?

We machine 1020 Steel across a broad size range; share your part envelope for confirmation.

Does CNC Routing 1020 Steel require dedicated tooling?

Most 1020 Steel machining work uses standard cutting tools and CNC programs; dedicated fixtures are made only when geometry or volume requires them.

Which industries use CNC Routing 1020 Steel parts?

CNC Routing 1020 Steel parts are used across aerospace, medical, automotive, electronics, semiconductor and general industrial sectors — anywhere precise 1020 Steel components are required.

What surface finish is achievable on 1020 Steel with CNC Routing?

Surface finish on 1020 Steel is controlled to your specification; we confirm the achievable Ra against your callout.

What is the typical lead time and minimum order for CNC Routing 1020 Steel?

CNC Routing 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.