Louis Metals is a Houston-based USA specialist manufacturer and supplier of Stainless Steel Bright Bars and Rods. Our bright bars are centerless ground and cold-drawn to provide superior surface finish, close tolerance, and higher mechanical properties. They come in numerous stainless steel grades and forms, such as round, square, and hex. Our products comply with international standards for utilization in high-stakes industrial applications. Louis Metals has top-class availability in stock, aggressive pricing, and cut–to-length to order. These bright bars find extensive application in industries such as auto, machinery, construction, and textiles, where the finish and precision are of the highest priority.
Stainless Steel Bright Bars are typically produced in grades such as 304, 316, and 303, having a composition of 18–20% chromium and 8–10% nickel along with other trace elements. Cold drawing improves tensile strength (to 750 MPa), surface finish, and accuracy of dimensions. These bars possess high corrosion resistance, better machinability, and strength. They also have improved tolerance control and surface finish than hot-rolled bars. Bright bars retain strength at higher temperatures and are suitable for decorative or precision engineering use.
Standards : ASTM A276, ASTM A484, AISI
Grade : 201, 202, 301, 302, 303, 304, 304H, 304L, 316, 316H, 316L, 309, 309S, 310, 310S, 316Ti, 317, 317L, 347, 321, 321H, 410, 416, 420, 430, 430F, 431, 440C, 630, 17-4PH, F51
Range : from2.00mm to 6.35mm (0.078″ to 0.25″)dia.
Tolerance : DIN 671, ASTM A484 & as per customer’s specific requirement.
Finish : Cold drawn, Centreless Ground, Polished
| Grade | Su | C | Si | P | Cr | Ni | M | Mo | Other |
|---|---|---|---|---|---|---|---|---|---|
| 316 | 0.030 max | 0.08 max | 0.75 max | 0.045 max | 16.0-18.0 | 10.0 14.0 | 2.00 max | 2.0 3.0 | – |
| 317L | 0.030 max | 0.035 max | 0.75 max | 0.045 max | 18.0-20.0 | 11.0 14.0 | 2.00 max | 3.0 4.0 | – |
| 304 | 0.030 max | 0.08 max | 0.75 max | 0.045 max | 18.0-20.0 | 8.0 11.0 | 2.00 max | – | – |
| 310 S | 0.030 max | 0.08 max | 1.5 max | 0.045 max | 24.0-26.0 | 19.0 22.0 | 2.00 max | 3.0 4.0 | – |
| 347 H | 0.030 max | 0.04 0.10 | 0.75 max | 0.045 max | 17.0- 19.0 | 9.0 13.0 | 2.00 max | – | 10C(Cb+Ta)<1.10% |
| 321 | 0.030 max | 0.08 | 0.75 max | 0.045 max | 17.0-20.0 | 9.0 12.0 | 2.00 max | – | 5C 0.70% |
| Grade | Tensile Strength | Yield Strength (0.2%Offset) | Density | Elongation | Melting Point |
|---|---|---|---|---|---|
| SS 303 | Psi – 85,000 | Psi – 45,000 | 55% | 50 % | Rb 180 |
| SS 202 | 515 MPa | 275 MPa | 8.0 g/cm3 | 40 % | 1454 °C |
| SS 304 | Psi – 75000 , MPa – 515 | Psi – 30000 , MPa – 205 | 8.0 g/cm3 | 40% | 1400 °C |
| SS 304L | Psi – 75000 , MPa – 515 | Psi – 30000 , MPa – 205 | 8.0 g/cm3 | 40% | 1400 °C |
| SS 316 | Psi – 75000 , MPa – 515 | Psi – 30000 , MPa – 205 | 8.0 g/cm3 | 35 % | 1454 °C |
| SS 316L | 485 Min | 170 Min. | 8.0 g/cm3 | 40 % | 1400 °C |
|
Drawn Bar |
Min. (mm) |
Max. (mm) |
Drawn Bar |
Min. (inch) |
Max. (inch) |
|---|---|---|---|---|---|
|
Rounds |
14 mm |
76 mm |
Rounds |
5/8” |
3” |
|
Flats Width :
Height : |
20 mm
5mm |
100 mm
40 mm |
Flats Width :
Height : |
3/4″
1/2″ |
4”
1-1/2” |
|
Squares |
14 mm |
65 mm |
Squares |
1/2″ |
2-1/2” |
|
Hexagonals |
12 mm |
60 mm |
Hexagonals |
5/8” |
2” |
|
Bright Bar Weight Calculation Formula |
|
|
Bright Bar Weight Formula
0.00623 X ( mm ) Diam X ( mm ) Diam = Weight / Meter
0.0019 X ( mm ) Diam X ( mm ) Diam = Weight / Feet |
Square Bar Weight Formula0.00788 X ( mm ) Diam X ( mm ) Diam = Weight / Meter
0.00240 X ( mm ) Diam X ( mm ) Diam = Weight / Feet
|
|
Brightagonal Bar Weight Forumla
0.00680 X ( mm ) Diam X ( mm ) Diam = Weight / Meter
0.002072 X ( mm ) Width X ( mm ) Diam = Weight / Feet |
Bright Bar Weight Forumla
0.00798 X ( mm ) Thickness X ( mm ) Width = Weight / Meter
0.00243 X ( mm ) Width X ( mm ) Thickness = Weight / Feet |
Yes, stainless steel bright bars and rods can be customized in size according to specific requirements. They are available in various diameters, lengths, and finishes to suit diverse industrial applications.
Yes, stainless steel bright bars are highly corrosion-resistant due to their chromium content, which forms a protective oxide layer, preventing rust and ensuring durability in various harsh environments and applications.
Yes, stainless steel bright bars can be welded. They are compatible with various welding methods, including TIG, MIG, and stick welding. However, proper precautions, such as controlling heat input, are needed to maintain corrosion resistance and prevent distortion.
Stainless Steel Bright Bars and Rods find wide use in applications where appearance is a requirement, close tolerances are necessary, and the mechanical properties are desired to be improved. Some of these applications are fasteners, pins, shafts, machine parts, pump components, and ornamental fittings. In automotive and textile machinery industries, they are chosen due to their excellent surface finish and longevity. Bright bars are also utilized in structural and architectural applications, food industry processing, and manufacturing medical equipment. With good machinability and resistance to corrosion, they are suitable for both functional and high-precision decorative uses. Louis Metals provides bright bars of different profiles to suit various industrial demands.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Louis Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Houston, USA
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