SS 316, 316L & 316Ti Hexagonal Bar
Stainless Steel 316, 316L and 316Ti Hexagonal Bars are premium austenitic stainless steel products valued for their superior corrosion resistance, especially against chlorides and industrial solvents. With a six-sided profile, these hex bars combine high strength with excellent machinability, making them ideal for demanding industrial, marine, and chemical processing applications. The addition of molybdenum sets 316-series grades apart from 304-series, giving markedly better pitting and crevice corrosion resistance. 316L carries a lower carbon content for improved weldability, while 316Ti is stabilized with titanium for enhanced performance at elevated temperatures.
What is SS 316, 316L & 316Ti Hexagonal Bar
SS 316 Hexagonal Bars are molybdenum-alloyed austenitic stainless steels offering excellent resistance to pitting and crevice corrosion in chloride environments. SS 316L Hexagonal Bars are the low-carbon variant, developed to minimize carbide precipitation during welding and preserve corrosion resistance in heat-affected zones. SS 316Ti Hexagonal Bars are titanium-stabilized, preventing intergranular corrosion during prolonged exposure to temperatures between 425°C and 900°C, making them suited to high-temperature service such as exhaust systems and chemical processing equipment. Together, these grades are the preferred choice for marine hardware, pharmaceutical equipment, oil & gas components, and chemical processing plants.
Specifications of SS 316/316L/316Ti Hexagonal Bar
| Parameter | Specification |
|---|---|
| Size Range | 6mm to 200mm |
| Length | 1m to 6m (custom cut lengths available) |
| Standards | ASTM A276, ASTM A479, ASME SA276, SA479 |
| Finish | Bright, Black, Polished, Peeled |
| Tolerance | h11, h10 as per ISO standards |
| Heat Treatment | Annealed & Pickled / Bright Annealed |
| Form | Hexagonal (6-sided bar) |
| Density | 8.0 g/cm³ |
Chemical Composition of SS 316/316L/316Ti Hexagonal Bar
| Element | SS 316 (%) | SS 316L (%) | SS 316Ti (%) |
|---|---|---|---|
| Carbon (C) | ≤ 0.08 | ≤ 0.03 | ≤ 0.08 |
| Manganese (Mn) | ≤ 2.00 | ≤ 2.00 | ≤ 2.00 |
| Silicon (Si) | ≤ 0.75 | ≤ 0.75 | ≤ 1.00 |
| Phosphorus (P) | ≤ 0.045 | ≤ 0.045 | ≤ 0.045 |
| Sulfur (S) | ≤ 0.030 | ≤ 0.030 | ≤ 0.030 |
| Chromium (Cr) | 16.00 – 18.00 | 16.00 – 18.00 | 16.00 – 18.00 |
| Nickel (Ni) | 10.00 – 14.00 | 10.00 – 14.00 | 10.50 – 13.50 |
| Molybdenum (Mo) | 2.00 – 3.00 | 2.00 – 3.00 | 2.00 – 2.50 |
| Titanium (Ti) | — | — | 5x(C+N) – 0.70 |
| Nitrogen (N) | ≤ 0.10 | ≤ 0.10 | ≤ 0.10 |
| Iron (Fe) | Balance | Balance | Balance |
Mechanical Properties of SS 316/316L/316Ti Hexagonal Bar
| Property | SS 316 | SS 316L | SS 316Ti |
|---|---|---|---|
| Tensile Strength (MPa) | 515 min | 485 min | 540 min |
| Yield Strength (0.2% offset, MPa) | 205 min | 170 min | 205 min |
| Elongation (%) | 40 min | 40 min | 35 min |
| Hardness (Brinell HB) | ≤ 217 | ≤ 217 | ≤ 223 |
| Modulus of Elasticity (GPa) | 193 | 193 | 193 |
| Melting Point (°C) | 1375 – 1400 | 1375 – 1400 | 1375 – 1400 |