CNC Saw Cutting S235JR Steel

Need reliable CNC Saw Cutting S235JR Steel? VT machining machines S235JR Steel to tight tolerances and consistent quality. As a material, S235JR Steel is strong, economical and widely available; we adapt feeds, speeds and tooling to suit.

CNC Saw Cutting Capability for S235JR Steel

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

S235JR Steel Material Data

S235JR 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 S235JR 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 S235JR Steel with CNC Saw Cutting

The machinability of S235JR Steel is good to excellent depending on carbon content; free-machining grades cut cleanly. For CNC Saw Cutting we select tooling, feeds, speeds and coolant to match, keeping the S235JR Steel workpiece stable and the result accurate.

Because we machine S235JR Steel regularly, proven settings shorten setup and keep quality repeatable across reorders.

Achievable Tolerances for CNC Saw Cutting S235JR Steel

CNC Saw Cutting S235JR Steel — achievable tolerances
FeatureStandardPrecision
Bend angle±1.0°±0.5°
Flange length±0.30 mm±0.15 mm
Hole-to-bend distance±0.30 mm±0.15 mm
Minimum inside radius1.0 × thickness0.8 × thickness
Minimum flange height4 × thickness + radius3 × thickness + radius
Bend-to-bend spacing±0.30 mm±0.15 mm
Sheet thickness range0.5–8.0 mm0.5–4.0 mm

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 S235JR 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.

Why S235JR Steel?

Specifying S235JR Steel for CNC Saw Cutting S235JR Steel is usually about its properties: strong, economical and widely available. Tell us the condition you need and we machine to it.

CNC Saw Cutting Tolerances & Surface Finish

Formed S235JR Steel holds bend angles to about ±0.5° and consistent flange dimensions, with bend allowance compensated for the material and thickness.

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.

CNC Saw Cutting Quality & Inspection

Consistent quality comes from disciplined process control. Critical dimensions on S235JR 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.

Design Tips for CNC Saw Cutting S235JR Steel

A few design choices make a real difference to cost and quality. Consistent bend radii, adequate flange lengths and grain-direction awareness reduce cracking and springback in formed S235JR Steel. If you send your model early, we will return practical DFM feedback before you commit to production.

Applications of CNC Saw Cutting S235JR Steel

CNC Saw Cutting of S235JR 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 Saw Cutting S235JR Steel

Ordering S235JR 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 S235JR 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
Free — no sign-up

No drawing yet? Build one in the browser.

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.

Open the 3D + 2D Builder

What We Need to Quote CNC Saw Cutting S235JR 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 S235JR 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.

S235JR Steel in Other Processes

Related

Send the drawing, the S235JR Steel condition and the quantity — pricing and lead time come back the same or next business day.

Request a Quote

Frequently Asked Questions

What surface finish is achievable on S235JR Steel with CNC Saw Cutting?

Surface finish on S235JR 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 Saw Cutting S235JR Steel?

CNC Saw Cutting prototypes for S235JR 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 material thickness or size range suits CNC Saw Cutting S235JR Steel?

We form S235JR Steel sheet and plate to your developed flat pattern and bend sequence.

What tolerances can you hold for CNC Saw Cutting S235JR Steel?

Achievable tolerances for S235JR Steel forming depend on the alloy, geometry and feature size. We hold tight, repeatable tolerances appropriate to the feature and material. Exact figures are confirmed against your drawing callouts.

What is CNC Saw Cutting S235JR Steel and how is it done?

CNC Saw Cutting S235JR Steel refers to cNC saw cutting sections bar, tube and plate to precise length for downstream machining. Applied to S235JR Steel — strong, economical and widely available — VT machining produces each part to your CAD drawing, selecting parameters from your tolerance, finish and quantity requirements.

Does CNC Saw Cutting S235JR Steel require dedicated tooling?

Most S235JR Steel forming work uses standard cutting tools and CNC programs; dedicated fixtures are made only when geometry or volume requires them.