GNEE Steels China's Largest Reliable Trusted exporter and supplier of SS 316 / 316L Round Bars, where the passive layer on stainless steel can be attacked by certain chemical species. In normal atmospheric or water based environments, Stainless Steel 316 Square Round Bars will not corrode as demonstrated by domestic sink units, cutlery, saucepans and work – surfaces. In more dangerous conditions, 316L Stainless Steel Flat Round Bars may corrode and a more highly alloyed stainless steel can be used.
316 Surface finish
| CD | Cold drawn | P | Polished |
| BD | Bright drawn | SRE | Slit rolled edge |
| CG | Centreless ground | HF | Hot finished |
| CF | Cold finished | HRAP | Hot rolled annealed and pickled |
| P&T | Peeled and turned | RT | Rough turned/peeled |
| ST | Smooth turned | PR | Peeled and reeled |
316 Round Bar Sizes
| Type | SIZES (mm) | SIZES (Inches) | ISO Tolerance |
|---|---|---|---|
| Cold Drawn and Polish | 3.00 – 75.00 | 1/8" – 3.00" | h8-h9-h10-h11 |
| Cold Drawn and Ground | 10.00 – 75.00 | 5/6" – 2.50" | h8-h9-h10-h11 |
| Peeled and Polished | 40.00 – 150.00 | 1.50" – 6.00" | h11, h11-DIN 1013 |
| Peeled and Ground | 20.00 – 50.00 | 3/4″ – 2.00" | h9-h10-h11 |
| Cold Bending |
| 316 has good cold bending properties and cold bending can generally be carried out without too much difficulty, after cold working it may be mildly magnetic. Annealing is recommended following cold working, causing more than 15% deformation. |
| Hot Bending |
| Hot bending should be performed at 950 oC - 1100 oC, followed by annealing to restore optimum corrosion resistance. |
| Corrosion Resistance |
| General Corrosion |
| 316 has better resistance to general corrosion in most media than 310, 304, 321, 302 and 303 grades. |
| Stress Corrosion Cracking |
| 316 has a better resistance to stress corrosion cracking in chloride solutions than 302 or 304 grades, however it can also fail if subjected to high stresses in an environment conducive to stress corrosion. |
| Pitting Corrosion / Crevice Corrosion |
| 316 has higher resistance to both pitting and crevice corrosion than the non molybdenum bearing grades such as 304, 321, 310 and 303 etc.. |
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