# Stainless steel round bar sizes (304): 1/8 to 12 in diameter with weight per foot; flat bar thickness and width ranges

> What diameters does 304 stainless steel round bar come in, and what sizes of stainless flat bar are stocked?

- Category: Hardware › Materials & stock
- Kind: Standard part
- Basis: Metals Depot 304 round bar list (33 sizes with weights), Remington round and flat bar options, Shaw Stainless ranges for flat and round
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**Exact dimensions.** True size, with no tolerance added.

## Notes

- Stainless round bar (304, also 316 and 303 at other distributors) comes in inch diameters in 1/16 to 1/8 in steps below 2 in and larger steps above. Metals Depot lists 33 diameters from 1/8 to 12 in for 304 (10 and 12 in as 304/304L); Remington Industries lists 8 round rod diameters (1/4 to 2 in in 1/4 in steps), every one of which is also on the Metals Depot list. Shaw Stainless & Alloy's page gives only a range, 1/8 to 20 in, in 303 / 304 / 316 / 17-4PH.
- Weights are Metals Depot's printed lb/ft, shown from 1/2 in up, where each agrees within 4 % with a density of 7.9 g/cm³ (304) computed from the diameter (a sanity check, not additional data). Below 1/2 in the printed values (1/8: 0.05, 3/16: 0.11, 1/4: 0.18, 5/16: 0.29, 3/8: 0.42, 7/16: 0.57) are 7 to 19 % above that computed value, so they are not used. 316 round bar was not listed on the pages read, so no 316 sizes are claimed.
- Flat bar: Remington's configurator options are thickness 1/4, 1/2 and 1 in, width 1/2, 1, 2, 3 and 4 in (which of these combinations are stocked is not stated, so no size table is claimed). Shaw's stainless flat bar range is thickness 1/8 to 3 in and width 1/2 to 8 in, grades 303 / 304 / 316 / 17-4PH. A distributor's complete flat bar list (thickness × width) was not read.
- Sheet and plate: the existing sheet-metal gauge page covers 10 to 20 gauge stainless sheet; stainless plate sizes were not read. No STEP/STL: bar stock is a plain cylinder or box.

## Sizes

| round bar diameter | mm | weight, lb/ft (Metals Depot, 304) | also on Remington's list |
|---|---|---|---|
| 1/8 in | 3.17 | — (see notes) | — |
| 3/16 in | 4.76 | — (see notes) | — |
| 1/4 in | 6.35 | — (see notes) | yes |
| 5/16 in | 7.94 | — (see notes) | — |
| 3/8 in | 9.52 | — (see notes) | — |
| 7/16 in | 11.11 | — (see notes) | — |
| 1/2 in | 12.70 | 0.67 | yes |
| 9/16 in | 14.29 | 0.85 | — |
| 5/8 in | 15.88 | 1.05 | — |
| 11/16 in | 17.46 | 1.26 | — |
| 3/4 in | 19.05 | 1.51 | yes |
| 7/8 in | 22.22 | 2.1 | — |
| 1 in | 25.40 | 2.7 | yes |
| 1-1/8 in | 28.57 | 3.4 | — |
| 1-3/16 in | 30.16 | 3.8 | — |
| 1-1/4 in | 31.75 | 4.18 | yes |
| 1-3/8 in | 34.92 | 5.2 | — |
| 1-1/2 in | 38.10 | 6.01 | yes |
| 1-5/8 in | 41.27 | 7.05 | — |
| 1-3/4 in | 44.45 | 8.18 | yes |
| 1-7/8 in | 47.62 | 9.39 | — |
| 2 in | 50.80 | 10.68 | yes |
| 2-1/4 in | 57.15 | 13.7 | — |
| 2-1/2 in | 63.50 | 16.69 | — |
| 2-3/4 in | 69.85 | 20.2 | — |
| 3 in | 76.20 | 24.04 | — |
| 3-1/2 in | 88.90 | 33.15 | — |
| 4 in | 101.60 | 43.39 | — |
| 5 in | 127.00 | 67.8 | — |
| 6 in | 152.40 | 98.15 | — |
| 8 in | 203.20 | 174.25 | — |
| 10 in | 254.00 | 278.13 | — |
| 12 in | 304.80 | 398.66 | — |

## Where the files are

- Metals Depot: [Stainless steel round bar 304: diameter and weight per foot, 1/8 to 12 in](https://www.metalsdepot.com/stainless-steel-products/stainless-steel-round) — web — Publisher's page; dimensions are facts
- Remington Industries: [Stainless steel dimensions: round rod diameters, flat bar thickness and width options](https://www.remingtonindustries.com/resources/stainless-steel-dimensions/) — web — Publisher's page; dimensions are facts
- Shaw Stainless & Alloy (via Plant Automation Technology): [Stainless flat bar: thickness 1/8 to 3 in, width 1/2 to 8 in, grades 303 / 304 / 316 / 17-4PH](https://plantautomation-technology.com/products/shaw-stainless-alloy/stainless-steel-flat-bar) — web — Publisher's page; dimensions are facts
- Shaw Stainless & Alloy (via Plant Automation Technology): [Stainless round bar: 1/8 to 20 in, grades 303 / 304 / 316 / 17-4PH](https://plantautomation-technology.com/products/shaw-stainless-alloy/stainless-steel-round-bar) — web — Publisher's page; dimensions are facts

## Questions

**What diameters does 304 stainless round bar come in?**

1/8, 3/16, 1/4, 5/16, 3/8, 7/16, 1/2, 9/16, 5/8, 11/16, 3/4, 7/8, 1 in and on up to 12 in (full list in the table).

**How much does 1/2 inch stainless round bar weigh?**

0.67 lb per foot (Metals Depot, 304).

**What sizes is stainless flat bar?**

Shaw stocks thickness 1/8 to 3 in and width 1/2 to 8 in; Remington's options are 1/4, 1/2, 1 in thick by 1/2 to 4 in wide.

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