Stainless Steel 304 Round Bar

304 Stainless Steel Round Bar is measured across the diameter. It is a long cylindrical metal bar stock that has many commercial and industrial applications. It is the most common stainless steel round bar. As the main non-iron constituents it contains both chromium and nickel metals. It is an austenitic stainless steel which is less electrically and thermally conductive than carbon steel and is essentially-magnetic but less magnetic than steel.
astm a276 grade 304 is a material grade specification for cold finished or hot finished bars in stainless steel 304, it is available in forms of rounds, hexagon, square and other  hot rolled extruded shapes. astm a276 type 304 condition in which bar are annealed. astm a276 type 304 conditions in which bars are strain hardened or relatively light cold worked.

304 stainless steel rods are solid bar with circular cross section. It is manufactured are hot or cold rolling and drawing. The processing methods are cutting, heat treating and machining. It is used for a number of applications such as gear, shafts, bearing, pumps, food processing equipment, fittings, valves, mining machinery etc. It also come in billet form and generally includes a cross-section based on the shape of rod or bar stock. It provides excellent resistance to a wide range of atmospheric environments and many corrosive media. In warm chloride environment it is subject to pitting and crevice corrosion and to stress corrosion cracking above about 60 °C.

ss 304 flat bar are typically used for engineering, mining infrastructure, transport and storage, residential, etc. It does not require any special pre-heating or welding. It is provides excellent corrosion and rust resistance. 304 stainless steels are the most versatile and due to its corrosion resistance it is widely used austenitic stainless steel in the world.

ss 304 hex bar are long, hex shaped bar It has a smooth surface finish is machinable and provides excellent mechanical properties and it is easy to weld, form, cut and machine. 

ss 304 square bar common applications include gates and protective barriers of window and ornamental work. It is easy to shape, easy to weld, cut, form and machine with the proper knowledge and equipment.For more severe corrosion conditions, it is commonly replaced by stainless steel 316, when stainless steel 304 is too sensitive to pitting or crevice corrosion by chlorides or general corrosion in acidic applications.

Specification Schedule of 304 Stainless Steel Round Bar

SS 304 Angle bar size 3mm*20mm*20mm~12mm*100mm*100mm
Stainless Steel 304 Square bar size 4 to 100mm
Stainless Steel 304 Channel Bar 5.0 to 6.0mm thickness, 80 x 40mm to 150 x 75mm section
SUS304 Rectangular Bars Section 3.0 to 12.0mm thickness
SS 304 Threaded Bar Billet Size 1/2 to 495mm Diameter
Stainless Steel 304 Rectangles Size 33 x 30mm to 295 x 1066mm
ASTM A276 Type 304 Hollow Bar 32mm OD x 16mm ID to 250mm OD x 200mm ID)
Stainless Steel 304 Material Grade Stainless Steel 304 (UNS S30400)
Stainless Steel 304 Square Bar Dimensions DIN, EN, ASME, BS, ASTM, JIS, AISI
SS 304 Standard ASTM A479, AMS 5513, ASTM A276, AMS 5511, AMS 5647
Stainless Steel 304 Hex Bar size 2-100mm A/F
Stainless Steel 304 Round bar size Diameter: 3-~800mm
SUS304 Flat bar size Thickness: 2 -100mm
- Width: 10 to 500mm
ASTM A276 Type 304 Hollow Bar Tolerance H8 to H12, H13K9, K10 to K12 or as per clients’ requirements
304 SS Hex Bars Finish Cold (bright) drawn, smooth turned, peeled, centreless ground, hot rolled, slit rolled edge, Bright, Polish, Grinding, Centreless Ground & Black,hot rolled annealed, Rough Turned
SUS304 T-Bar Surface Bright, Sand Blasting Finished, Hot Rolled Pickled, Cold Drawn, Hairline,Polished
Rolled Stainless Steel 304 Flat Bars Condition annealed, Hardened & tempered
ASTM A276 Type 304 Cold Rolled Bar Technique 304 Stainless Steel Cold Drawn, Cold Rolled, Rod, Hot Rolled, Forged Round Bar
SS 304 Rod Processing Bar cutting to 650mm
304 Stainless Steel Round Bar Form Rod, Round, Channel Bar, Rings, Round Rod, Triangle, Hollow, Rectangle, T-Bar, Flat Bar, Precision Ground Bar, Blocks, Square, Threaded, Hex (A/F), Profiles, Half Round Bar, Ingot, Billet, I/H Bar, Forging etc.

Chemical Formula of precision ground 304 stainless steel rod

Grade Carbon Manganese Silicon Phospherous Sulfur Chromium Molybdenum Nickel Nitrogen
SS 304 0.08 max 2 max 0.75 max 0.040 max 0.030 max 18 – 20 - 8 – 11 -
SS 304L 0.03 max 2 max 0.75 max 0.045 max 0.030 max 18 – 20 - 8 – 12 0.10 max

SS 304 Square Bar Mechanical Behaviour

Density Yield Strength Melting Point Tensile Strength Elongation
8.0 g/cm3 Psi – 30000 , MPa – 205 1400 °C or (2550 °F) MPa – 515, Psi – 75000 35 %
8.0 g/cm3 Psi – 30000 , MPa – 205 1400 °C (2550 °F) Psi – 75000 , MPa – 515 40 %

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