Stainless Steel Round Bar – 303

Stainless Steel Round Bar – 303

303 stainless steel round bar is chosen for jobs where easy machining is the top priority. This grade machines, grinds, and polishes smoothly because of its added sulfur content. While its corrosion resistance and toughness are slightly lower than 304, it remains a reliable austenitic stainless steel for many mechanical, food grade, and architectural uses.

Applications: Aircraft parts, machine components, pump and valve parts, architectural trim, nuts, bolts, and general hardware.

Material Properties

Stainless Steel 303 Product Guide|

Stainless Steel 303 Round Bar Tolerances

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1/2" Stainless Round Bar 303-Annealed Cold Finish Part # 2015

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$7.02 for 1

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Diameter: 0.5"
Temper: Annealed

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Material Meets These Standard(s): AMS-5640,ASTM-A582

Key Features

CUSTOM CUT

FREEMTRAvailable

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5/8" Stainless Round Bar 303-Turned Ground and Polished Part # mp-00040845

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$16.65 for 1

$16.65 ea.

Dimensions

Diameter: 0.625"

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Material Meets These Standard(s): ASTM-A582

Key Features

CUSTOM CUT DFARS Compliant

MTR AVAILABLE product return

Non-returnable

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5/8" Stainless Round Bar 303-Turned Ground and Polished Part # mp-00040845

Dimensions

Diameter: 0.625"

Material Meets These Standard(s): ASTM-A582

Select a Size or Custom Cut

+ Create Custom Cut
12″ (1 ft.) - $16.65 ea.
24″ (2 ft.) - $33.31 ea.
36″ (3 ft.) - $49.96 ea.
48″ (4 ft.) - $66.61 ea.
60″ (5 ft.) - $83.27 ea.
72″ (6 ft.) - $99.92 ea.
144″ (12 ft.) - $199.84 ea.

Seller's Info	Custom Cut	MTR	USA Made	Returns	DFARS	Price	Qty

1/4" Stainless Round Bar 303-Annealed Cold Finish Part # 2013

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$4.50 for 1

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Dimensions

Diameter: 0.25"
Temper: Annealed

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Material Meets These Standard(s): AMS-5640,ASTM-A582

Key Features

CUSTOM CUT

FREEMTRAvailable

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2 3/8" Stainless Round Bar 303-Annealed Cold Finish Part # 2030

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$129.95 for 1

$129.95 ea.

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Dimensions

Diameter: 2.375"
Temper: Annealed

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Material Meets These Standard(s): AMS-5640,ASTM-A582

Key Features

CUSTOM CUT

FREEMTRAvailable

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3/16" Stainless Round Bar 303-Annealed Cold Finish Part # 2012

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$4.50 for 1

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Dimensions

Diameter: 0.1875"
Temper: Annealed

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Material Meets These Standard(s): AMS-5640,ASTM-A582

Key Features

CUSTOM CUT

FREEMTRAvailable

View more product details

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3/4" Stainless Round Bar 303-Turned Ground and Polished Part # mp-00040843

Sold & Shipped by MSP Metals

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QTY

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$26.75 for 1

$26.75 ea.

Dimensions

Diameter: 0.75"

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Material Meets These Standard(s): ASTM-A582

Key Features

CUSTOM CUT DFARS Compliant

MTR AVAILABLE product return

Non-returnable

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3/4" Stainless Round Bar 303-Turned Ground and Polished Part # mp-00040843

Dimensions

Diameter: 0.75"

Material Meets These Standard(s): ASTM-A582

Select a Size or Custom Cut

+ Create Custom Cut
12″ (1 ft.) - $26.75 ea.
24″ (2 ft.) - $53.51 ea.
36″ (3 ft.) - $80.26 ea.
48″ (4 ft.) - $107.02 ea.
60″ (5 ft.) - $133.77 ea.
72″ (6 ft.) - $160.52 ea.
144″ (12 ft.) - $321.05 ea.

Seller's Info	Custom Cut	MTR	USA Made	Returns	DFARS	Price	Qty

1" Stainless Round Bar 303-Annealed Cold Finish Part # 2019

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$27.27 for 1

$27.27 ea.

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Dimensions

Diameter: 1"
Temper: Annealed

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Material Meets These Standard(s): AMS-5640,ASTM-A582

Key Features

CUSTOM CUT

FREEMTRAvailable

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7/16" Stainless Round Bar 303-Annealed Cold Finish Part # 20827

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$5.26 for 1

$5.26 ea.

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Dimensions

Diameter: 0.4375"
Temper: Annealed

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Material Meets These Standard(s): AMS-5640,ASTM-A582

Key Features

CUSTOM CUT

FREEMTRAvailable

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1/8" Stainless Round Bar 303-Annealed Cold Finish Part # 2011

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$4.50 for 1

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Dimensions

Diameter: 0.125"
Temper: Annealed

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Material Meets These Standard(s): AMS-5640,ASTM-A582

Key Features

FREEMTRAvailable

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3/8" Stainless Round Bar 303-Annealed Cold Finish Part # 2014

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$4.50 for 1

$4.50 ea.

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Dimensions

Diameter: 0.375"
Temper: Annealed

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Material Meets These Standard(s): AMS-5640,ASTM-A582

Key Features

CUSTOM CUT

FREEMTRAvailable

View more product details

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3/4" Stainless Round Bar 303-Annealed Cold Finish Part # 2017

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$15.79 for 1

$15.79 ea.

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Dimensions

Diameter: 0.75"
Temper: Annealed

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stainless-round-bar-303-annealed-cold-finish-1superZoom

Material Meets These Standard(s): AMS-5640,ASTM-A582

Key Features

CUSTOM CUT

FREEMTRAvailable

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3/32" Stainless Round Bar 303-Annealed Cold Finish Part # 2010

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$4.50 for 1

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Dimensions

Diameter: 0.09375"
Temper: Annealed

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Material Meets These Standard(s): AMS-5640,ASTM-A582

Key Features

FREEMTRAvailable

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1/4" Dia. Stainless Round Rod 303 - 12" Long (1 Piece) Part # mp-00000677

Sold & Shipped by K&S Precision Metals

Pack of 1

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$10.99

$10.99 ea.

Dimensions

Diameter: 0.25"
Ships In: 1 Business Day

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Key Features

CUSTOM CUT

U.S.A.Made DFARS Compliant

MTR NOT AVAILABLE product return

Returns Acceptable.

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1/4" Dia. Stainless Round Rod 303 - 12" Long (1 Piece) Part # mp-00000677

Dimensions

Diameter: 0.25"
Ships In: 1 Business Day

Seller's Info	Custom Cut	MTR	USA Made	Returns	DFARS	Price	Qty

5/8" Stainless Round Bar 303-Annealed Cold Finish Part # 2016

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$11.06 for 1

$11.06 ea.

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Dimensions

Diameter: 0.625"
Temper: Annealed

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stainless-round-bar-303-annealed-cold-finish-1superZoom

Material Meets These Standard(s): AMS-5640,ASTM-A582

Key Features

CUSTOM CUT

FREEMTRAvailable

View more product details

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25mm Stainless Round Bar 303-Turned Ground and Polished Part # mp-00065589

Sold & Shipped by MSP Metals

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QTY

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$48.30 for 1

$48.30 ea.

Dimensions

Diameter: 25mm

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Key Features

CUSTOM CUT DFARS Compliant

MTR AVAILABLE product return

Non-returnable

View more product details

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25mm Stainless Round Bar 303-Turned Ground and Polished Part # mp-00065589

Dimensions

Diameter: 25mm

Select a Size

12″ (1 ft.) - $48.30 ea.
24″ (2 ft.) - $96.60 ea.
36″ (3 ft.) - $144.90 ea.
48″ (4 ft.) - $193.20 ea.
60″ (5 ft.) - $241.50 ea.
72″ (6 ft.) - $289.80 ea.
144″ (12 ft.) - $579.60 ea.

Seller's Info	Custom Cut	MTR	USA Made	Returns	DFARS	Price	Qty

7/8" Stainless Round Bar 303-Annealed Cold Finish Part # 2018

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$20.72 for 1

$20.72 ea.

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Dimensions

Diameter: 0.875"
Temper: Annealed

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stainless-round-bar-303-annealed-cold-finish-1superZoom

Material Meets These Standard(s): AMS-5640,ASTM-A582

Key Features

CUSTOM CUT

FREEMTRAvailable

View more product details

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5/16" Stainless Round Bar 303-Annealed Cold Finish Part # 20107

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$4.50 for 1

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Dimensions

Diameter: 0.3125"
Temper: Annealed

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Material Meets These Standard(s): AMS-5640,ASTM-A582

Key Features

CUSTOM CUT

FREEMTRAvailable

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1 7/8" Stainless Round Bar 303-Annealed Cold Finish Part # 2026

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$81.93 for 1

$81.93 ea.

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Dimensions

Diameter: 1.875"
Temper: Annealed

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stainless-round-bar-303-annealed-cold-finish-1superZoom

Material Meets These Standard(s): AMS-5640,ASTM-A582

Key Features

CUSTOM CUT

FREEMTRAvailable

View more product details

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3 3/4" Stainless Round Bar 303-Annealed Cold Finish Part # 2039

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$313.02 for 1

$313.02 ea.

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Dimensions

Diameter: 3.75"
Temper: Annealed

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stainless-round-bar-303-annealed-cold-finish-1superZoom

Material Meets These Standard(s): AMS-5640,ASTM-A582

Key Features

CUSTOM CUT

FREEMTRAvailable

View more product details

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1 1/4" Stainless Round Bar 303-Annealed Cold Finish Part # 2021

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$43.89 for 1

$43.89 ea.

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Dimensions

Diameter: 1.25"
Temper: Annealed

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stainless-round-bar-303-annealed-cold-finish-1superZoom

Material Meets These Standard(s): AMS-5640,ASTM-A582

Key Features

CUSTOM CUT

FREEMTRAvailable

View more product details

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1 3/8" Stainless Round Bar 303-Annealed Cold Finish Part # 2022

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$53.66 for 1

$53.66 ea.

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Dimensions

Diameter: 1.375"
Temper: Annealed

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stainless-round-bar-303-annealed-cold-finish-1superZoom

Material Meets These Standard(s): AMS-5640,ASTM-A582

Key Features

CUSTOM CUT

FREEMTRAvailable

View more product details

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1/4" Stainless Round Bar 303-Turned Ground and Polished Part # mp-00040855

Sold & Shipped by MSP Metals

*Select a Size or Custom Cut

QTY

Update

$7.37 for 1

$7.37 ea.

Dimensions

Diameter: 0.25"

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Material Meets These Standard(s): ASTM-A582

Key Features

CUSTOM CUT DFARS Compliant

MTR AVAILABLE product return

Non-returnable

View more product details

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1/4" Stainless Round Bar 303-Turned Ground and Polished Part # mp-00040855

Dimensions

Diameter: 0.25"

Material Meets These Standard(s): ASTM-A582

Select a Size or Custom Cut

+ Create Custom Cut
12″ (1 ft.) - $7.37 ea.
24″ (2 ft.) - $14.74 ea.
36″ (3 ft.) - $22.11 ea.
48″ (4 ft.) - $29.48 ea.
60″ (5 ft.) - $36.86 ea.
72″ (6 ft.) - $44.23 ea.
144″ (12 ft.) - $88.45 ea.

Seller's Info	Custom Cut	MTR	USA Made	Returns	DFARS	Price	Qty

1/8" Stainless Round Bar 303-Turned Ground and Polished Part # mp-00040852

Sold & Shipped by MSP Metals

*Select a Size or Custom Cut

QTY

Update

$2.73 for 1

$2.73 ea.

Dimensions

Diameter: 0.125"

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Material Meets These Standard(s): ASTM-A582

Key Features

CUSTOM CUT DFARS Compliant

MTR AVAILABLE product return

Non-returnable

View more product details

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1/8" Stainless Round Bar 303-Turned Ground and Polished Part # mp-00040852

Dimensions

Diameter: 0.125"

Material Meets These Standard(s): ASTM-A582

Select a Size or Custom Cut

+ Create Custom Cut
12″ (1 ft.) - $2.73 ea.
24″ (2 ft.) - $5.46 ea.
36″ (3 ft.) - $8.19 ea.
48″ (4 ft.) - $10.92 ea.
60″ (5 ft.) - $13.65 ea.
72″ (6 ft.) - $16.38 ea.
144″ (12 ft.) - $29.48 ea.

Seller's Info	Custom Cut	MTR	USA Made	Returns	DFARS	Price	Qty

6 1/4" Stainless Round Bar 303-Hot Rolled Rough Turned Part # 24694

*Select a Size or Custom Cut

QTY

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$1089.82 for 1

$1089.82 ea.

Dimensions

Diameter: 6.25"
Temper: Annealed

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Material Meets These Standard(s): AMS-5640,ASTM-A582

Key Features

CUSTOM CUT

FREEMTRAvailable

View more product details

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5/32" Stainless Round Bar 303-Annealed Cold Finish Part # 20823

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$4.50 for 1

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Dimensions

Diameter: 0.1562"
Temper: Annealed

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stainless-round-bar-303-annealed-cold-finish-1superZoom

Material Meets These Standard(s): AMS-5640,ASTM-A582

Key Features

CUSTOM CUT

FREEMTRAvailable

View more product details

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