What is 330 stainless steel tubing?

If you are wondering where a 330 stainless tubing is best used for, then you have to learn more about its components. The stainless steel material of this tubing has a minimum of 11 percent chromium content that allows it to be resistant to corrosion and rust. In addition to chromium, other elements like nickel, titanium, niobum, and molybdenum can be added to it, depeneding on its use and purpose. Because of the varying degrees of content and component, stainless steels are classified under different grades. The grade determines where the type of stainless steel will be more useful.

Design features

The 330 stainless steel tubing is mostly used in high temperature environments. This is because it can resist the combined effects of thermal cycling and carburization. It is also used widely in furnace components, gas turbines, general heat treating equipment, cyanide salt pots, and heat exchangers. The 330 stainless steel tubing is made of austenitic, nickel-chromium-iron-silicon alloy. This is the main reason why it can withstand oxidation and carburization at temperatures that reach up to 2,200 degrees Fahrenheit or 1,200 degrees Celsius and still remain durable.

Technical data

The chemical data of the 330 stainless steel tubing reveals that it has carbon at 0.08 max, chromium at 17-20, copper at 1 max, iron balance lead at 0.005 max, manganese at 2 max, nickel at 34-37, phosphorus at 0.03 max, silicon at 0.75 – 1.5, sulfur at 0.03 max, and tin at 0.025 max. Its physical data reveals a density of 0.289 lb/cu. in., a specific gravity of 7.99, specific heat of 0.11 Btu/lb/Deg F – [32-212 Deg F], magnetic permeability of 1.02 and modulus of elasticity tension of 28.5.

Working specifications

Proper working practices can allow the 330 stainless steel tubing to be machinized. Machinability is possible with slow speeds, positive feeds, rigid mounts, and sulfurized lubricants. In hot working, it should commence at 2,100-2,150 degrees Fahrenheit and finish at 1,800 degrees Fahrenheit. In cold working, it is more difficult to cool it compared to the standard 18-8 stainless steels because of its high strength and high hardening rate feature. When annealing, soak it at 2,050-2,200 degrees Fahrenheit and then air quench. The 330 stainless steel tubing will not respond to heat treatment and will only harden in cold reduction.

Distribution

The 330 stainless steel tubing is available in all shapes and sizes. It is available in hollow bars, beams, T section, square, rectangular, and channels. In-house cutting services are also available in most companies that sell 330 stainless steel. The 330 stainless steel tubing is used in various applications and prices vary widely, starting from $2 to $3 apiece and up. You can get a quotation for your requirements and specifications online.