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Neeka Tubes is a reliable producer of Stainless Steel 316 Square Bars, providing top-quality solutions for multiple industries. The Bars also known as Box Bar. It is crafted from Grade 316 stainless steel. Valued for its superior corrosion resistance and strength. Generally used in industrial and structural applications, other forms available include Rectangle, Half-Round, Billet, Profiles, Threaded, I/H, Channel, and blocks, also ensuring versatility.
The Square Bar SS 316Β Β has increased strength, having tetsile strength of around 75K Psi and yield strength of 30K Psi. It also contains 16-18% chromium, 11-14% nickel and 2-3% molybdenum. Providing excellent corrosion resistance. With 35% elongation, it offers flexibility. This composition offers equal strength in all directions and easy manufacturing of the given product. This makes it suitable in areas of structures and industries. It gives support, load carrying capacity and alignment in various setups.

ASTM a276 stainless steel 316 square bar is applied in marine, chemical and food processing industries because of the materialβs high resistance to corrosion. These bar are suitable for use in construction of structures, supports and as parts of machinery. They are available in the square shape which makes them strong for construction, fabrication and other applications that require high strength. It is commonly used in pharmaceutical, oil and gas companies. It also has high durability that makes it to be used in water treatment plants, heat exchangers and in the manufacturing of medical equipment. Including those used in fasteners, railings and industrial equipments such as the bars.








| Specification | EN 10272, EN 10088-3 Grade 304, 316, 304L, 316L |
|---|---|
| Standard | EN, DIN, ASTM, ASME, API, GB, SUS, AISI, UNS |
| Sizes | 3mm to 800mm diameter |
| Length |
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| Finish | Polished, Peeled, Bright Drawn, Bright, Cold Drawn Turned, Centreless Ground, Black, Annealed, Rough Turned, Grinding, Smooth Turned |
| Tolerances | H8, H13, H11, H10, H9, K9, H12, K11, K12, K10 |
| Surface Finish | 1D, 8K, HL, NO.3, NO.1, BA, 2B, NO.4, 2D |
| Production Method | Rolled / Forged |
| Characteristics |
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| Typical application of SS Square Bar |
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| Services |
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| Our Stainless Steel Square Bar conforms to Standard ISO 15156/ NACE MR0175 | |
| Element | C | Cr | Mn | Ni | P | S | Si |
| SS 316 | 0.08 | 18.0 | 2.00 | 14.0 | 0.045 max | 0.03 max | 0.75 max |
| Element | Tensile Strength | Yield Strength | Elongation | Reduction in Area | Hardness |
|---|---|---|---|---|---|
| SS 316 | Min.515 MPa | Min.205 MPa | 40% | – | B 95 |
| STANDARD | WERKSTOFF NR. | UNS | JIS | BS | GOST | AFNOR | EN |
| SS 316 | 1.4401 / 1.4436 | S31600 | SUS 316 | 316S31 / 316S33 | – | Z7CND17β11β02 | X5CrNiMo17-12-2 / X3CrNiMo17-13-3 |
Contact Neeka tubes today for a best offer & competitive quotation Of Stainless Steel 316 Square Bar
Please Call on +91 7700067892 or drop an E-Mail : sales@neekatubes.net
| SQUARES | ||
|---|---|---|
| Size(mm) | WT PER FEET IN KGS | WT PER MTR IN KGS |
| 16 | 0.62 | 2.05 |
| 18 | 0.79 | 2.59 |
| 20 | 0.76 | 2.49 |
| 22 | 1.18 | 3.87 |
| 25 | 1.52 | 5.00 |
| 28 | 1.91 | 6.27 |
| 30 | 2.19 | 7.20 |
| 32 | 2.50 | 8.19 |
| 36 | 3.16 | 10.37 |
| 38 | 3.52 | 11.55 |
| 40 | 3.90 | 12.80 |
| 45 | 4.94 | 16.20 |
| 50 | 6.10 | 20.00 |
| 56 | 7.65 | 25.08 |
| 60 | – | – |
| 65 | – | – |
| 70 | – | – |
| 75 | – | – |
| 80 | – | – |
| 90 | – | – |
| 100 | – | – |
Diameter or | Weight per meter | Sectional Area | Perimeter | |||
Square | Round | Square | Round | Square | Round | |
| 5.0 | 0.20 | 0.15 | 0.25 | 0.20 | 2.0 | 1.57 |
| 5.5 | 0.24 | 0.19 | 0.30 | 0.24 | 2.2 | 1.78 |
| 6.0 | 0.28 | 0.22 | 0.36 | 0.28 | 2.4 | 1.88 |
| 7.0 | 0.38 | 0.30 | 0.49 | 0.38 | 2.8 | 2.20 |
| 8.0 | 0.50 | 0.39 | 0.64 | 0.50 | 3.2 | 2.51 |
| 9.0 | 0.64 | 0.50 | 0.81 | 0.64 | 3.6 | 2.83 |
| 10 | 0.73 | 0.63 | 1.00 | 0.79 | 4.0 | 3.14 |
| 11 | 0.95 | 0.75 | 1.21 | 0.95 | 4.4 | 3.46 |
| 12 | 1.13 | 0.89 | 1.44 | 1.13 | 4.8 | 3.77 |
| 14 | 1.54 | 1.21 | 1.96 | 1.54 | 5.6 | 4.40 |
| 16 | 2.01 | 1.58 | 2.56 | 2.01 | 6.4 | 5.03 |
| 18 | 2.54 | 2.00 | 3.24 | 2.54 | 7.2 | 5.65 |
| 20 | 3.14 | 2.47 | 4.00 | 3.14 | 8.0 | 6.28 |
| 22 | 3.80 | 2.98 | 4.84 | 3.80 | 8.8 | 6.91 |
| 25 | 4.91 | 3.85 | 6.25 | 4.91 | 10.0 | 7.85 |
| 28 | 6.15 | 4.83 | 7.84 | 6.16 | 11.2 | 8.80 |
| 32 | 8.04 | 6.31 | 10.24 | 8.04 | 12.8 | 10.05 |
| 36 | 10.17 | 7.99 | 12.96 | 10.18 | 14.4 | 11.31 |
| 40 | 12.56 | 9.86 | 16.00 | 12.57 | 16.0 | 12.57 |
| 45 | 15.90 | 12.49 | 20.25 | 15.90 | 18.0 | 14.14 |
| 50 | 19.62 | 15.41 | 25.00 | 19.64 | 20.0 | 15.71 |
| 56 | 24.62 | 19.34 | 31.36 | 24.63 | 22.4 | 17.59 |
| 63 | 31.16 | 24.47 | 36.69 | 31.17 | 25.2 | 19.79 |
| 71 | 39.57 | 31.08 | 50.41 | 39.59 | 28.4 | 22.31 |
| 80 | 50.24 | 39.46 | 64.00 | 50.27 | 32.0 | 25.13 |




Testing and Packing
Our team ensures top quality for Stainless Steel 316 Square Bar by conducting Mill Test, Positive Material Identification (PMI), National Accreditation Board for Testing and Calibration Laboratories (NABL) tests and Intergranular Corrosion Resistance tests. We provide Destructive and Non-Destructive Test Reports. Our UNS S31600 square bars are securely packed in wooden boxes, bubble wraps and plastic covers to protect them during delivery.
Shipping and Marking
Our company ensure accurate labeling of SUS 316 square bars to ensure easy identification and, traceability. Each bar comes with test certificates and analysis reports. Our team also ensures quick and timely delivery. Our main goal is to provide good products on time. To support this up, we follow strict shipping rules that ensure each bar is safe, and secure during transit.







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