Stainless Steel 304 Round Bar

ASTM A276 304 Stainless Steel Round Bar Supplier in Mumbai India. ASTM A276 304 Hex Bar, Flat Bar, Forged Bar, Square Bar SS 304 Bright Bar Supplier in Mumbai India.


Stainless Steel 304 Round Bar is one of the most widely used stainless steel products due to its balance of strength, corrosion resistance, and durability. Manufactured from an alloy containing iron, chromium, and nickel, it offers excellent resistance to rust and oxidation. Preston Pipes & Alloys, a leading Stainless Steel 304 Round Bar supplier, ensures every product meets global quality standards and customer requirements with precision manufacturing and consistent stock availability. With a density of 8.0 g/cm³ and a melting point of 1400°C, it performs well in a variety of demanding environments. The annealed condition gives it a yield strength of 30,000 psi (205 MPa), tensile strength of 75,000 psi (515 MPa), and 35% elongation making it appropriate for structural and decorative applications.


These SS 304 round bars standard sizes with diameters ranging from 4 mm to 500 mm and lengths from 1 meter to 6 meters. Manufacturing techniques include hot rolling, cold drawing, and centerless grinding to achieve accurate dimensions and a smooth surface finish. The 304 stainless steel round bar comes in a range of finishes, including bright, polished, and black, depending on the application. Each bar is made to exacting standards, allowing for easy assembly and dependable performance in industrial and architectural applications.


SS 304 Round Bar

Stainless Steel 304 Bar offers excellent weldability, formability and resistance to high-temperature scaling. It is a reliable option for architectural projects, shafts, fasteners, marine fittings, food and beverage equipment, chemical processing and other applications since it retains durability and aesthetic appeal under challenging circumstances. The clean finish and uniform composition of the stainless steel 304 bar, make it appropriate for precision components where surface quality is important. Its versatility ensures that, whether used in construction or manufacturing, the SS 304 round bar price remains cost-effective compared to its long-term durability and minimal maintenance needs.


Every 304 stainless steel round bar goes through extensive quality inspections, including dimensional inspection, mechanical testing, and corrosion resistance evaluation. We conduct various tests conforming to GB, AISI, DIN, SUS, API, and UNS standards to guarantee consistency and reliability. Packaging meets international export norms, using wooden crates, steel strips, or protective wrapping to prevent damage during transit. Get high-performance Stainless Steel 304 Round Bar with reliable supply and competitive rates for your projects.

Stainless Steel 304 Round Bar Specification

Specifications ASTM A276, ASME SA276 / ASTM A479 ASME SA479
Standard EN, DIN, JIS, ASTM, BS, ASME, AISI
Dimensions Outside Diameter in the range of 4mm to 500mm
SS 304 Round Bars Outside Diameter in the range of 4mm to 500mm
SS 304 Bright Bars Outside Diameter in the range of 4mm to 100mm
SS 304 Hex Bars 18mm – 57mm (11/16″ to 2-3/4″)
SS 304 Square Bars 18mm – 47mm (11/16″ to 1-3/4″)
SS 304 Flat Bars 1/2” to 10” in thickness range of 2mm to 150mm
Finish Black, Bright Polished, Rough Turned, NO.4 Finish, Matt Finish, BA Finish
Length 1 to 6 Meters, Custom Cut Lengths.
Form Round, Square, Hex (A/F), Rectangle, Billet, Ingot, Forging Etc.

Common Type of Stainless Steel 304 Round Bar

SS 304 Hex Bar

SS 304 Hex Bar

SS 304 Bright Bar

SS 304 Bright Bar

SS 304 Cold Rolled Bar

SS 304 Cold Rolled Bar

SS 304 Flat Bar

SS 304 Flat Bar

SS 304 Square Bar

SS 304 Square Bar

SS 304 Rectangular Bar

SS 304 Rectangular Bar

SS 304 Polished Round Bar

SS 304 Polished Round Bar

SS 304 Hollow Bar

SS 304 Hollow Bar


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quotation of Stainless Steel 304 Round Bar

Stainless Steel 304 Round Bar Chemical Composition

Grade C Mn Si P S Cr Mo Ni N
SS 304 0.08 max 2 max 0.75 max 0.045 max 0.030 max 18 – 20 - 8 – 11 -

Stainless Steel 304 Round Bar Mechanical Properties

Density Melting Point Tensile Strength Yield Strength (0.2%Offset) Elongation
8.0 g/cm3 1400 °C (2550 °F) Psi – 75000 , MPa – 515 Psi – 30000 , MPa – 205 35 %

Stainless Steel 304 Round Bar Equivalent Material

STANDARD WERKSTOFF NR. UNS JIS BS GOST AFNOR EN
SS 304 1.4301 S30400 SUS 304 304S31 08Х18Н10 Z7CN18‐09 X5CrNi18-10

Stainless Steel 304 Round Bar Weight Chart

Diameter Weight Chart Dia Weight Chart
(mm) per metre (kg) (in) per metre (kg)
3mm 0.06 1/8" 0.06
4mm 0.10 3/16" 0.14
5mm 0.16 1/4" 0.25
6mm 0.22 5/16" 0.39
7mm 0.30 3/8" 0.56
8mm 0.40 7/16" 0.77
10mm 0.62 1/2" 1.00
12mm 0.89 9/16" 1.22
14mm 1.22 5/8" 1.56
15mm 1.40 11/16" 1.89
16mm 1.59 3/4" 2.25
18mm 2.01 7/8" 3.07
20mm 2.48 1" 4.03
22mm 3.00
24mm 3.57
25mm 3.88

Industrial Application of Stainless Steel 304 Round Bar