Multinox INC is one of the largest 304 Stainless Steel Round Bars Manufacturers. We have a proud history of supplying SS 304 Bars and 304 SS Rods to a wide range of industries. We are a leading SS 304 Bars Suppliers that maintains a large inventory for sale to our esteemed clientele.
We offer an extensive selection Stainless Steel 304 Round Bars to our clients. We manufacture SS 304 Round Bars through hot rolled process and it undergoes extensive quality checks to ensure they meet the specifications of our clients. We offer different variants of 304 grade Round Bars including 15mm to 300mm.



We at Multinox INC fabricate Stainless Steel 304 Forged Bars of high quality using modern technology to support the needs of our clients. Our SS 304 Forged Bars are widely used in various industrial applications like architecture, construction and engineering applications among others.
Our clients use Stainless Steel 304 Round Bars for a wide range of applications due to its property of heat resistance and corrosion resistance to many chemical and industrial atmospheres. We strive to cater to the requirement of SS 304 Polished Bars in industries such as aerospace and energy sectors. We provide one of highest quality of Stainless Steel 304 Square Bars at competitive prices to satisfy the needs of our customers.
We also offer 304 Stainless Steel Threaded Bars that meet different standards including DIN, ISO, ANSI BS and JIS, to meet our client’s requisite. Depending upon our client’s request, we manufacture SS 304 Cold Drawn Bars, SS 304 Hex Bars, and 304 Stainless Steel Flat Bars, known for their non-magnetic features that offer excellent resistance to a wide range of chemicals and environments along with an increased sustenance to oxidation. Please contact us today for your all bars and rods needs.
Cold drawn, centreless ground & polished. Used in shafts, fasteners, machined components.
Across-flat 18mm–57mm. Ideal for bolt, nut & valve body machining applications.
Used in structural fabrication, tooling and engineering. Custom sizes available.
Width ½" to 10", thickness 2mm to 150mm. Sheared & edged or hot-rolled condition.
Seamless hollow bar for bushings, sleeves & valve bodies. Saves machining time.
Hot forged for superior grain structure. Heavy-duty industrial and aerospace use.
Every Stainless Steel 304 Round Bar is solution annealed, tested and marked as per ASTM A276 before it leaves our floor.
| Grade | SS 304/304L/304H |
| Specification | EN, DIN, JIS, ASTM, BS, ASME, AISI, IS |
| Standard | ASTM A276/ASME SA276, ASTM A479/ASME SA479 & ASTM A164/ASME SA164 |
| Round Bars | Outside Diameter in the range of 4mm to 500mm above as per the customer requirement. |
| Round Bars | Outside Diameter in the range of 4mm to 500 mm above as per the customer requirement. |
| Hex Bars | 18mm – 57mm (11/16″ to 2-3/4″) above as per the requirement. |
| Square Bars | 18mm – 47mm (11/16″ to 1-3/4″) above as per the requirement. |
| Flat Bars | 1/2” to 10” in thickness range of 2mm to 150mm |
| Length | 1 to 6 Meters, Custom Cut Lengths |
| Finish | Black, Bright. Peeled and Polished, Solution annealed. |
| Technique | Hot Rolled, Cold Rolled, Cold Drawn, Forged Round Bar, Rod |
| Tolerance | H8, H9, H10, H11, H12, H13K9, K10, K11, K12 or as per clients’ requirements |
The clean austenitic chemistry of Stainless Steel 304 Round Bar shrugs off rust in kitchens, factories and outdoor structures alike.
Buyers across America, Europe and the Gulf approve Stainless Steel 304 Round Bar instantly — its equivalents are universal.
The dependable all-rounder — Stainless Steel 304 Round Bar delivers balanced strength that general engineering relies on every single day.
| Property | Density | Melting Point |
|---|---|---|
| Value | 8.0 g/cm3 | 1400 °C |
| Size (mm) | Weight (kg/m) |
|---|---|
| 18 x 18 | 2.225 |
| 17 x 17 | 1.985 |
| 16 x 16 | 1.758 |
| 15 x 15 | 1.545 |
| 14 x 14 | 1.346 |
| 13 x 13 | 1.161 |
| 12 x 12 | 0.989 |
| 11 x 11 | 0.831 |
| 10 x 10 | 0.687 |
| 9 x 9 | 0.556 |
| 8 x 8 | 0.44 |
| 7 x 7 | 0.337 |
| Size (mm) | Size (in.) | ISO Tolerance |
|---|---|---|
| 40 – 150 | 1.50 – 6 | h11, h11-DIN 1013 |
| 3 to 75 | 1/8 – 3 | h8, h9, h10, h11 |
| 10 to 75 | 5/6 – 2.50 | h8, h9, h10, h11 |
| 20 to 50 | 3/4 – 2 | h9, h10, h11 |
| Stainless Steel 304 Bright Round Bar | AMS 5639 Black Round Bar |
| UNS S30400 Polished Round Bar | EN X5CrNi18-10 Peeled Round Bar |
| ASTM A479 Turned Round Bar | WNR 1.4301 Ground Round Bar |
| ASTM A276 Cold Drawn Round Bar | Stainless Steel 304 Hot Rolled Round Bar |
| AMS 5639 Peeled & Polished Round Bar | UNS S30400 Centerless Ground Round Bar |
| EN X5CrNi18-10 Bright Bar | ASTM A276 Black Bar |
| WNR 1.4301 Polished Bar | ASTM A479 Peeled Bar |
| Stainless Steel 304 Turned Bar | AMS 5639 Ground Bar |
| UNS S30400 Cold Drawn Bar | EN X5CrNi18-10 Hot Rolled Bar |
| ASTM A276 Peeled & Polished Bar | ASTM A479 Centerless Ground Bar |
Multinox INC offers UNS S30400 Round Bars at one of the most competitive prices in India. Request the latest Pricelist using the contact form here.