VT machining offers CNC Reaming for S355JR Steel (EN 10025 / 1.0045 / ~Q345B), typically supplied hot-rolled. Higher-strength structural steel, yield ≥355 MPa.
CNC Reaming Notes for S355JR Steel
Reaming S355JR Steel gives H7 holes with a fine finish; stock allowance is set by hole diameter so the reamer cuts cleanly.
For estimating, a 100 × 100 × 10 mm block of S355JR Steel weighs about 0.79 kg.
Starting Parameters for CNC Reaming S355JR Steel
| Cutting speed (carbide) | 45-80 m/min |
|---|---|
| Stock allowance on Ø10 mm | 0.10-0.20 mm |
| Feed | 0.15-0.56 mm/rev |
| Spindle speed, Ø10 mm | 1430-2550 rpm |
| Insert / tool class | ISO P — CVD-coated carbide |
| Coolant | Emulsion (5-8%); dry is possible for interrupted cuts |
Starting values for S355JR Steel, Hot-rolled; optimised on the first article.
Full material data for S355JR Steel (EN 10025 / 1.0045 / ~Q345B) is on the CNC Milling S355JR Steel page.
More on CNC Reaming Steel
Finishing options, quality documentation and general cnc reaming guidance for all steel grades are on our CNC Reaming Steel page.
No drawing yet? Sketch the part in our free 3D + 2D builder and send it with your RFQ.
Quoting CNC Reaming S355JR Steel
Send a STEP/IGES model or PDF drawing, confirm S355JR Steel and its condition (we usually see it supplied hot-rolled), the quantity, critical tolerances and any finish or certificate requirements.
S355JR Steel in Other Processes
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Send the drawing, the S355JR Steel condition and the quantity — pricing and lead time come back the same or next business day.
Request a QuoteFrequently Asked Questions
Does CNC Reaming S355JR Steel require dedicated tooling?
Most S355JR Steel machining work uses standard cutting tools and CNC programs; dedicated fixtures are made only when geometry or volume requires them.
Why is S355JR Steel a good choice for CNC Reaming?
S355JR Steel is strong, economical and widely available, which makes it well suited to CNC Reaming. We tune the process to the alloy so the finished S355JR Steel machining part meets your dimensional and functional requirements.
What material thickness or size range suits CNC Reaming S355JR Steel?
We machine S355JR Steel across a broad size range; share your part envelope for confirmation.
What is CNC Reaming S355JR Steel and how is it done?
CNC Reaming S355JR Steel refers to reaming finishes drilled holes to a precise diameter and smooth surface in a single controlled pass. Applied to S355JR Steel — strong, economical and widely available — VT machining produces each part to your CAD drawing, selecting parameters from your tolerance, finish and quantity requirements.
Can VT machining make custom S355JR Steel parts to my drawing?
Yes. S355JR 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 is the typical lead time and minimum order for CNC Reaming S355JR Steel?
CNC Reaming prototypes for S355JR 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.