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 304 STAINLESS STEEL SQUARE TUBE 4" x 10.75" (.25"Wall) US $31.40 
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 304 Stainless steel bar end 1 1/8" round 1 1/2"+ long 7 pieces (S107) US $6.27
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 304 Stainless steel bar end 1 5/8" round 1 3/4"+ long 1 piece (S099) US $.99
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 304 SS STAINLESS STEEL FLAT BAR 0.75" x 5" x 36" US $99.88
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 304 Stainless Steel Pipe 2 inch x 48" long (Sch 80) US $70.28
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 304 Stainless Steel Pipe 3/8 inch x 48" long (Sch 40) US $9.72
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 Mirrored / Mirror 304 Stainless Steel Sheet #8 22G24x48 US $71.19
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 1/2" x 1-1/4" x 36"-Long 304 L Stainless Steel Flat Bar -- 304 SS .500 x 1.250" US $23.84
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 1/2" x 1-3/4" x 36"-Long 304 L Stainless Steel Flat Bar -- 304 SS .500 x 1.750" US $31.90
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 1/2" x 2" x 36"-Long 304 L Stainless Steel Flat Bar -- 304 SS .500 x 2" US $36.00
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 1" x 1-1/2" x 19-3/4"-Long 304 L Stainless Steel Flat Bar -- 304 SS 1 x 1-1/2" US $30.32
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 1-5/8" OD x 10"-Long x 1/16" 304 Stainless Steel Round Tube-- 1.625" OD x .065" US $2.00
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 1" x 1-1/2" x 36"-Long 304 L Stainless Steel Flat Bar -- 304 SS 1 x 1-1/2" US $56.43
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 1/8" x 2" x 72"-Long 304 L Stainless Steel Flat Bar -- 304 SS .125 x 2" US $23.00
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 16 ga 304 #4 Stainless Steel Sheet 12" x 36"! US $27.56
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 .024" x 12" x 12"-Long 304 Stainless Steel Sheet # 4 Finish on 1 Side US $8.80
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 .024" x 12" x 24"-Long 304 Stainless Steel Sheet # 4 Finish on 1 Side US $17.60
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 .024" x 24" x 24"-Long 304 Stainless Steel Sheet # 4 Finish on 1 Side US $32.00
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 304L Stainless Steel 3'' Dia. roundstock - cut to 2.25'' long US $20.00
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 304 Stainless Steel Round Rod 1.25" Diameter (1 1/4") - 24" length US $28.00
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 Stainless Steel 304 Mesh, 400x400, .001" (.03mm) Wire, .0015" (.04mm) Wd. US $18.91
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 1 pc used 3/4" OD 304 Stainless steel tubing w/ .050 wall x 9 ft long US $21.00
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 1 pc used 7/8" OD 304 Stainless steel tubing w/ .050 wall x 11 ft long US $22.00
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 Stainless Steel 304 Sheet, .010" (.25mm), 6x6" US $7.25
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 Stainless Steel 304 Sheet / Foil, .001" (.025mm), 6x6" US $11.85
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 Stainless Steel 304 Tube, .125" (3.2mm) OD x .028" (.7mm) Wall x 6" US $6.39
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 Stainless Steel 304 Tube, .125" (3.2mm) OD x .028" (.7mm) Wall x 12" US $10.79
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 Stainless Steel 304 Mesh, 270x270, .0014" (.04mm) Wire, .0023" (.06mm) Wd. US $14.49
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 304 stainless steel perforated large basket screen lot of two pieces US $23.50
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 5/8" Round ASTM A-269 Welded 304/304L Stainless Steel Tubing .625 X .065 Wall US $5.99
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 304 ANN 2D Stainless Steel Sheet .020 US $145.00
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 304 SS STAINLESS STEEL ROD ROUND BAR 2.25" D x 24" US $71.15
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 1-1/2" Square 304 Stainless Steel Square Bar x12"-Long US $24.50
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 304 SS STAINLESS STEEL ROD ROUND BAR 2.25" D x 14.25" US $44.06
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 1" 150# T-304 Stainless Steel Slip On Flange New US $14.00
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 3/4" 150# T-304 Stainless Steel Slip On Flange New US $12.80
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 STAINLESS STEEL 304 #4 SHEET PIECES 20GA 16 x 53 NEW US $31.00
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 Type 304 Stainless Steel Rod 3/8" dia. X 10" round stock for machine shop, etc. US $7.25
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 STAINLESS STEEL SHEET 16 GA ALLOY 304 2-B 24" X24" US $31.00
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 STAINLESS STEEL SHEET 16 GA ALLOY 304 2-B 24" X 48" US $60.00
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 STAINLESS STEEL SHEET 16 GA ALLOY 304 2-B 36" X 48" US $90.00
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 2.5" 150 RF 304L STAINLESS STEEL PIPE FLANGE B16.5 ANSI SS/S.S SLIP ON FLANGE US $55.00
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 2 x 2.5" 150 RF 304L STAINLESS STEEL PIPE FLANGE B16.5 ANSI SS SLIP ON FLANGE US $109.00
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 5 x 2.5" 150 RF 304L STAINLESS STEEL PIPE FLANGE B16.5 ANSI SS SLIP ON FLANGE US $275.00
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 1.5" 150 RF 304/304L STAINLESS STEEL PIPE FLANGE B16.5 ANSI SS SLIP ON FLANGE US $35.00
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 3" 150 RF 304/304L STAINLESS STEEL PIPE FLANGE B16.5 ANSI SS/S.S SLIP ON FLANGE US $66.00
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 2 x1.5" 150 RF 304/304L STAINLESS STEEL PIPE FLANGE B16.5 ANSI SS SLIP ON FLANGE US $67.00
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 5 x1.5" 150 RF 304/304L STAINLESS STEEL PIPE FLANGE B16.5 ANSI SS SLIP ON FLANGE US $160.00
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 2 x 3" 150 RF 304/304L STAINLESS STEEL PIPE FLANGE B16.5 ANSI SS SLIP ON FLANGE US $130.00
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 4 x 3" 150 RF 304/304L STAINLESS STEEL PIPE FLANGE B16.5 ANSI SS SLIP ON FLANGE US $265.00
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 4" 150 RF 304/304L STAINLESS STEEL PIPE FLANGE B16.5 ANSI SS/S.S SLIP ON FLANGE US $101.00
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 2 x 4" 150 RF 304/304L STAINLESS STEEL PIPE FLANGE B16.5 ANSI SS SLIP ON FLANGE US $202.00
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 5" 150 RF 304/304L STAINLESS STEEL PIPE FLANGE B16.5 ANSI SS/S.S SLIP ON FLANGE US $185.00
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 2 x 5" 150 RF 304/304L STAINLESS STEEL PIPE FLANGE B16.5 ANSI SS SLIP ON FLANGE US $385.00
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 6" 150 RF 304/304L STAINLESS STEEL PIPE FLANGE B16.5 ANSI SS/S.S SLIP ON FLANGE US $209.00
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 2 x 6" 150 RF 304/304L STAINLESS STEEL PIPE FLANGE B16.5 ANSI SS SLIP ON FLANGE US $430.00
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 Address Signs, Room Numbers Ect. 14ga 304 STAINLESS STEEL Brushed #4 Finish US $225.00
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 304 Stainless Steel Flat Bar .375" x 1.25" x 48" US $21.70
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 STAINLESS STEEL 304 #4 SHEET PIECES 20GA 18 x 58 NEW US $36.00
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 Mirrored 304 Stainless Steel Sheet #8 16G 24"x48" US $128.80
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 Mirrored / Mirror 304 Stainless Steel Sheet #8 20G24x48 US $80.58
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 AKS STAINLESS STEEL ROLL 304 ANNEALED .008X24"X53' US $510.00
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 Stainless Steel 304/304L Rod, .188" (4.76mm) Dia. x 6" US $5.78
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 Stainless Steel 304/304L Rod, .250" (6.35mm) Dia. x 6" US $6.36
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 Stainless Steel 304/304L Rod, .375" (9.53mm) Dia. x 6" US $6.82
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 1.250" od16 ga T304 60" length Stainless Steel Tubing US $15.56
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 12 ga 12" x 18" 304 2B Finish Stainless Steel Sheet! US $25.40
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 AKS STAINLESS STEEL ROLL 304 ANNEALED .008"X24"X56' US $540.00
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 STAINLESS STEEL SQUARE TUBE 2-1/2"x2-1/2"x1/4"x 24" 304 US $50.00
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 304/304L SS Tubing Coil - 1/2" OD x 50' Stainless Steel US $69.95
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 304/304L SS Tubing Coil - 1/2" OD x 25' Stainless Steel US $44.95
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 4140 Steel Heat treated 27-33 Rockwell 2 5/16" round 8 1/4"+ long 1 piece (T304) US $16.00
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 Stainless Steel 304/304L Rod, .125" (3.2mm) Dia. x 6" US $4.72
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 Stainless Steel 304/304L Rod, .500" (12.7mm) Dia. x 6" US $11.65
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 Stainless Steel 304/304L Rod, .125" (3.2mm) Dia. x 12" US $7.44
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 Stainless Steel 304/304L Rod, .500" (12.7mm) Dia. x 12" US $15.29
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 304 Stainless Steel Round Bar, Rod 1/2" X 11+" Hobby US $17.00
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 304 Stainless Steel Flat Bar - 1/4" x 1" x 72" US $35.90
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 Stainless Steel 304 Mesh, 10x10, .023" (.58mm) Wire, .077" (1.96mm) Wd. US $18.70
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 NEW 304 STAINLESS STEEL SQUARE TUBE 6" x 47" (.25"Wall) US $186.10
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 1.500" od 20 ga T304 60" length Stainless Steel Tubing US $11.28
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 .750" dia 16 ga T304 60" length Stainless Steel Tubing US $9.25
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 05G 304 STAINLESS STEEL SS ROUND BAR STOCK 1' X 1 3/8" US $13.00
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 .875" dia 18 ga T304 60" length Stainless Steel Tubing US $8.53
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304 Steel
HPF 335i 3.5" 304 USA Polished Stainless Steel BMW 335i Exhaust System
The difference between 201 and 304 stainless steel
Stainless steel is a term used to refer to several different metals that are commonly used in industries including transportation, construction, and even architecture. Two commonly used alloys are 201 and 304. While all stainless steels contain more than fifty percent iron and at least eleven percent chromium, each grade has a different composition of other metals, giving it unique properties, strengths, and weaknesses. Understanding these distinctions will help you choose the correct grade to use for your project.
A difference of nickel
In order to understand the distinction between these two grades of stainless steel, it is helpful to know why 201 became popular in the first place. A one point, the price and availability of nickel became prohibitive to the production of 304 grade. This created an opening in the market for an alloy that used less nickel and thus would not be subject to price increases as easily. 201 uses a combination of chromium, nickel, and manganese that reduces the amount of nickel necessary for production, this making it cheaper in general than the 304 alloy that is most commonly used. How does the decrease in nickel affect the steel?
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201 grade is stronger than 304; some estimate as much as 30% stronger
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304 grade, although not as strong, is easier to form and weld than 201
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201 is not as corrosion-resistant as 304, limiting its practicality in harsh environments
Applications for both
Due to the differences and similarities between the two grades, some of the uses overlap. Both can be found in automobiles, architecture, railways, and even appliances. However, 201 is used more often in food preparation industries, including cooking utensils, sinks, dishwasher components, and other restaurant equipment. 304 can be used in these applications but is also resistant enough to corrosion to be used in marine environments where it will be exposed to the corrosive seawater. Depending on your needs, you may want to consult with others in your industry to find out which type of steel they are using and how it stands up to the challenges of that industry.
About the Author
ISO creates custom products from both 304 and 201 stainless steel. Contact us today to learn more about steel product manufacturing or if you would like help determining which type is ideal for your needs.
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Frequently Asked Questions...
Does a higher level of salinity in water corrode 304 type stainless steel?
Stainless Steel 304 type corrodes and develop hair line cracks and water begins to leak due to the higher level of salinity in the water that is in a system. I am refering to solar water heater tanks that has been manufactured using 304 type stainless steel
Answer:
304 stainless steel tends to be a low grade variety of this product and high concentration of salt solution will promote corrosion, at a faster rate. In high concentration salt solution Austenitic stainless steel can be used and is used for stainless steel in highly concentrated salt solution, but it is very expensive.
