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Section 09 / Bar blanks

Bar sawn to your length, plus nothing.

Steel bar cut to length in Austin: 1018 and 1045 cold-finished round and flat from 1/4 to 3 in, and 6061-T6 aluminum bar from 1/4 to 4 in. You get a part-ready blank, not a 12 ft stick you have to wrestle onto your own saw.

Per foot cut + per-cut charge Kerf 1/8 in per cut Length +1/16 in, never short
1/8 in kerf, every cut
+1/16 in on length, minus zero
3 alloys on the rack

What a bar quote is built from

Send a parts list
Basis 01

Feet of bar consumed

Your finished lengths added up, plus 1/8 in of kerf for every cut, plus whatever offcut is too short to sell again. A 2 in drop of 1045 goes in the scrap bin and on your quote.

Basis 02

Number of cuts

Saw time is charged per cut, and a 3 in round takes far longer than a 1/2 in one. Forty short pieces cost more in cuts than in steel.

Basis 03

Alloy and section

1045 runs above 1018 by the foot. 6061-T6 flat and square sit apart from round. The written reply lists each line on its own so you can see where the money goes.

Basis 04

Freight on long or heavy bar

Short blanks fit in a box. Anything long or heavy goes on a freight quote, priced separately and stated before you confirm.

Nothing on this page is a binding price. Every figure is quoted against your inquiry and confirmed in writing before the saw starts.

RACK B / CF STEEL1018 · 1045
Sawn and deburred ends of cold-finished steel round bar blanks
Ends deburred on the belt, length written down the side in paint marker.
Line 17 / BAR-CF

Cold-finished steel round bar, cut

1018 is the default. Low carbon, machines clean, welds without drama, and takes a case if you need one. Pick it for spacers, shafts that see no real torque, fixture pins, standoffs and anything you plan to weld to a frame.

1045 is medium carbon. It is harder to cut, stronger as drawn, and responds to induction or flame hardening. Use it for shafts with a keyway, pins that take shock, and wear parts. Do not weld it without preheat; we see cracked 1045 brackets every few months from shops that treated it like 1018.

Both come cold-drawn, so the diameter is close to nominal and the surface is bright. Round and flat from 1/4 to 3 in. Each blank leaves sawn square, deburred at both ends, with the cut length written on the piece so nobody has to guess which pile is the 4-1/2 and which is the 4-3/4.

Alloys
1018, 1045 cold-drawn
Sections
Round and flat
Size range
1/4 to 3 in
Length tolerance
+1/16 in, −0
End condition
Bandsawn, deburred both ends
Marking
Cut length in paint marker
Price basis
Per foot cut plus a per-cut charge
Send a parts list Work out stock and weight
RACK C / ALUMINUM6061-T6
Square, round and flat 6061 aluminum bar blanks cut to length
Round, square and flat 6061-T6. Saw marks stay on the ends unless you ask otherwise.
Line 18 / BAR-AL

6061-T6 aluminum bar, cut

6061 aluminum bar cut to length is most of what prototype builders ask us for. It machines fast, anodizes well, and at about a third of the weight of steel it is what goes into brackets, jigs, robot arms and test rigs. Round, square and flat, extruded and cold-finished, from 1/4 to 4 in.

T6 is the temper. It is heat-treated and aged, so do not expect to bend a tight radius in it cold; it will crack on the outside of the bend. If you need to form it, say so and we will tell you plainly that this is the wrong alloy for the job.

Aluminum loads a blade differently. We run it on its own blade and clean the chips off before steel goes back on, so your blank is not smeared with ferrous dust that later shows up as rust spots under anodize.

Alloy / temper
6061-T6
Sections
Round, square, flat
Size range
1/4 to 4 in
Length tolerance
+1/16 in, −0
End condition
Bandsawn, deburred
Marking
Cut length painted on the piece
Price basis
Per foot cut plus a per-cut charge
Send a parts list

Round bar weight per foot, steel against 6061

Computed: steel 0.2836 lb/in³, aluminum 0.0975 lb/in³
Weight per foot of round bar, nominal diameter
Diameter1018 / 1045 lb/ft6061-T6 lb/ftStocked in
1/2 in0.670.23Steel and aluminum
1 in2.670.92Steel and aluminum
1-1/2 in6.012.07Steel and aluminum
2 in10.693.68Steel and aluminum
3 in24.068.27Steel and aluminum
4 in—14.70Aluminum only

The kerf arithmetic people skip

Twenty-four pieces at 6 in look like exactly one 12 ft bar. They are not. Each cut eats 1/8 in, so every piece really uses 6.125 in, and 144 in divided by 6.125 is 23 pieces with change. The twenty-fourth piece comes off a second bar.

The configurator does this sum for you in blank mode, along with the approximate shipping weight.

Saw tolerance is not machining tolerance. Plus 1/16 in is what a well-set bandsaw holds on a vise stop. If the drawing calls for ±0.005 in on length, order the blank 1/8 in long and face it to size.

From cut list to marked blank

Full inquiry process

  1. Send the list

    Alloy, section, size, finished length and count. One line per length. If a length is critical in one direction, say which.

    You, by form or email

  2. Written reply

    What is on the rack, how many bars it takes with kerf, the per-foot and per-cut basis, and pickup or freight. Nothing is cut until you confirm.

    Counter, before any cutting

  3. Saw, deburr, mark

    Cut against a stop, ends knocked back on the belt, length in paint marker on each piece, blanks bundled by length with a label naming alloy and size.

    After your confirmation

  4. Collect at the counter or ship

    Collected at 46 Market Street, Büro 5, or sent by the freight method stated in the reply.

    Ready when the reply says

Questions about cut bar

Within plus 1/16 in and never short. A bandsaw is not a lathe. If you need the length held tighter, order the blank long and face it.

Every cut turns 1/8 in of bar into chips. The per-foot figure covers the stock consumed including kerf, and the per-cut charge covers saw time and blade wear.

We do not run a certification program and we will not promise paperwork we cannot hand over. Ask on the inquiry and the written reply says what can and cannot go with that lot.

Mill-direct buyers ordering bundles by the ton, and anyone needing ground, polished or precision-faced stock. We saw. If you need ground shafting, buy it from a shop that grinds.

Inquiry / bar blanks

Send a cut list for bar

One line per length: alloy, section, size, finished length, count.

Phone or email, one of the two. The reply comes in writing.