Best Stainless Steel Bars Under $100 (2026)
We selected bars under $100 by scoring 304 alloy authenticity, available dimensions and lengths, finish consistency, and seller sizing reliability
The Verdict
- Best Overall: 304 stainless steel rectangular bar 1/8" x 1/2" x 72" — Best for long runs: 1/8" x 1/2" profile offers a narrow, consistent rectangular bar ideal for trim and light structural uses
- Best Value: 304 stainless rectangular bar, 1/8 in x 1-1/4 in x 24 in (mill finish) — Best compact length: shorter 24" length simplifies handling and reduces waste for small fabrication projects
This roundup covers 304‑grade stainless steel rectangular bars suitable for fabrication, machining, and light structural use, all priced under $100 and chosen for value and consistent mill finish. Picks were ranked by a value score that weights alloy grade, dimensions offered, length options, and seller reputation for consistent dimensions and finish
Top Picks
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1
Best Overall 304 stainless steel rectangular bar 1/8" x 1/2" x 72"
Best for long runs: 1/8" x 1/2" profile offers a narrow, consistent rectangular bar ideal for trim and light structural uses
304 stainless steel bar stock, rectangular shape, mill finish, annealed. Provides high strength and corrosion resistance. Customers note good quality with mixed feedback on length and finish
- 304 stainless steel alloy
- rectangular bar, 1/8" x 1/2" cross-section
- 72" length with annealed condition
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2
Best Value 304 stainless rectangular bar, 1/8 in x 1-1/4 in x 24 in (mill finish)
Best compact length: shorter 24" length simplifies handling and reduces waste for small fabrication projects
304 stainless steel bar stock with mill finish and annealed condition. provides high strength and good corrosion resistance; 1/8
- 304 stainless steel
- rectangular bar with precise dimensions
- annealed for formability
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3
304 stainless steel rectangular bar, mill finish, 1/8" x 1-1/2" x 48"
Best mid‑length option: 48" mill finish provides a balance of reach and manageable handling for shop work
304 stainless steel rectangular bar with mill finish and annealed condition. Provides high strength and corrosion resistance; length may vary per piece, per customer feedback
- 304 stainless for corrosion resistance
- well-known alloy for strength
- precise rectangular bar dimensions
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4
304 stainless steel rectangular bar, mill finish, 0.125" x 0.5" x 84"
Best extra‑long option: extended 84" length minimizes seams when longer continuous lengths are required
304 stainless steel rectangular bar with mill (unpolished) finish. high strength and corrosion resistance for general fabrication. customer mentions none
- 304 stainless steel
- good corrosion resistance
- precise 0.125"x0.5"x84" dimensions
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5
304 stainless steel rectangular bar, mill finish, 1/8" x 3/4" x 24"
Best small profile: 1/8" x 3/4" gives a slightly wider footprint for small brackets and gussets without excess weight
304 stainless steel bar stock with mill/annealed finish. Strong, corrosion resistant alloy; dimensions: 1/8" thick, 3/4" wide, 24" long. customer note: some find length and finish vary
- corrosion resistant alloy
- annealed for formability
- widely used stainless grade
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6
304 stainless steel rectangular bar, unpolished (mill) finish
Best general‑purpose bar: unpolished mill finish and standard 304 composition make it versatile for cutting and welding
304 stainless steel rectangular bar with 1/8" thickness, 2" width, 48" length. high strength and corrosion resistance; multi-use stock. customers note mixed length accuracy and finish
- 304 stainless steel alloy
- defined 1/8" x 2" x 48" dimensions
- annealed for ease of fabrication
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7
304 stainless rectangular bar, 1/2in x 1-1/2in, 24in (mill finish)
Best balanced size: 1/2" x 1-1/2" rectangular profile suits small frames and stiffening members
304 stainless steel bar stock with 1/2" thickness and 1-1/2" width, 24" length. High strength and good corrosion resistance. Customer note: length can be slightly short; finish may vary
- 304 stainless steel alloy
- rectangular bar with defined thickness/width
- annealed for formability
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8
304 stainless steel rectangular bar, mill finish, 1/4" x 2-1/2" x 36"
Best for wider cross‑sections: 1/4" x 2-1/2" delivers greater stiffness for medium‑duty structural and support parts
304 stainless steel rectangular bar with mill/annealed finish. Provides high strength and good corrosion resistance. Customers note quality; length and finish receive mixed feedback
- 304 stainless steel alloy
- annealed for formability
- 2-1/2" width with 36" length
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9
304 stainless steel rectangular bar, 1/8 x 1-1/2 x 36 in
Best common thickness: 1/8" x 1-1/2" is a widely useful flat bar for fabrication, bending, and mounting plates
Premium 304 stainless steel flat bar with mill finish and annealed texture. Suitable for fabrication, drilling, welding, and machining. Customer note mentions dimension accuracy and mixed finish feedback
- 304 stainless, ASTM A276
- unpolished mill finish
- annealed for formability
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10
304 stainless steel rectangular bar, mill finish, 1/8" x 1-1/4"
Best select sizing: 1/8" x 1-1/4" mill finish offers precise, manageable stock for detailed shop work
304 stainless steel bar stock with mill finish and annealed. High strength and corrosion resistance. Customers note mixed length accuracy and finish quality
- stainless steel 304 alloy
- mill finish, annealed
- 1/8" thickness by 1-1/4" width