CNC Saw Cutting S275JR Steel

CNC Saw Cutting S275JR Steel from VT machining delivers precision S275JR Steel parts made to your exact drawing. CNC saw cutting sections bar, tube and plate to precise length for downstream machining, with parameters tuned to S275JR Steel, which is strong, economical and widely available.

CNC Saw Cutting Capability for S275JR Steel

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

S275JR Steel Material Data

S275JR 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 S275JR 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 S275JR Steel with CNC Saw Cutting

When forming S275JR Steel, machinability is good to excellent depending on carbon content; free-machining grades cut cleanly. Our process plan reflects this so the finished part holds its tolerances without distortion or poor finish.

Documented parameters for S275JR Steel mean predictable cycle times and stable, repeatable results.

Achievable Tolerances for CNC Saw Cutting S275JR Steel

CNC Saw Cutting S275JR 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

Most S275JR Steel parts need some finishing, which we manage in-house or through vetted partners. Options include deburring and edge-breaking, heat treatment, surface grinding, polishing, and plating or anodising for corrosion resistance and appearance. Give us the finished-part requirement and we will sequence every operation correctly.

CNC Saw Cutting Quality & Inspection

Quality is built in, not inspected on. We monitor key features during the run and confirm them at final inspection, with CMM verification available for tight tolerances. We provide the inspection and traceability records your quality system requires.

CNC Saw Cutting Tolerances & Surface Finish

Formed S275JR Steel holds bend angles to about ±0.5° and consistent flange dimensions, with bend allowance compensated for the material and thickness.

Exact achievable figures depend on the alloy, the feature size and the part geometry. Tell us which dimensions are critical and we will advise feasibility up front.

Design Tips for CNC Saw Cutting S275JR Steel

Small design adjustments often cut cost and lead time. Consistent bend radii, adequate flange lengths and grain-direction awareness reduce cracking and springback in formed S275JR Steel. If you send your model early, we will return practical DFM feedback before you commit to production.

Why S275JR Steel?

Customers select S275JR Steel for CNC Saw Cutting because it is strong, economical and widely available. We handle grade verification and any required heat treatment or finishing.

Applications of CNC Saw Cutting S275JR Steel

S275JR Steel parts made this way are found throughout aerospace, medical, automotive, electronics and industrial equipment. Prototype, bridge and production volumes are all welcome.

How to Order CNC Saw Cutting S275JR Steel

Starting your project takes one email. Send your CAD or 2D drawing, the S275JR Steel grade and condition, the quantity and any finish or inspection requirements. We respond quickly with price, lead time and any DFM notes, in clear English.

Finishing Options for S275JR 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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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.

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What We Need to Quote CNC Saw Cutting S275JR 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 S275JR 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.

S275JR Steel in Other Processes

Related

Send the drawing, the S275JR Steel condition and the quantity — pricing and lead time come back the same or next business day.

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Frequently Asked Questions

Why is S275JR Steel a good choice for CNC Saw Cutting?

S275JR Steel is strong, economical and widely available, which makes it well suited to CNC Saw Cutting. We tune the process to the alloy so the finished S275JR Steel forming part meets your dimensional and functional requirements.

What surface finish is achievable on S275JR Steel with CNC Saw Cutting?

Surface finish on S275JR Steel is controlled to your specification; we confirm the achievable Ra against your callout.

What is CNC Saw Cutting S275JR Steel and how is it done?

CNC Saw Cutting S275JR Steel refers to cNC saw cutting sections bar, tube and plate to precise length for downstream machining. Applied to S275JR 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 Saw Cutting S275JR Steel?

CNC Saw Cutting prototypes for S275JR 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.