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304/304L Stainless Steel Tubing Machinability

304/304L is dual certified stainless steel tubing is a very low carbon "18-8" austenitic chromium-nickel stainless steel with good corrosion resistance and superior resistance to inter-granular corrosion following welding or stress relieving. The dual certified 304/304L meets specifications for both 304 and 304L stainless steel, and may be interchanged and used safely for either grades application.
The low carbon percentage limits the formation of harmful carbides to such an extent that 304/304L grade may be safely used for most operations of welded construction, and where the service temperature is limited to 800°F.
Both SS 304 and SS 304L are non-magnetic in the annealed condition and not hardenable by heat treatment. Both hardness and tensile strength can be increased by cold working, which may cause slight magnetism. 304/304L stainless steel is available in rounds, squares, rectangles, structural angle shapes, round and rectangular welded tube, and schedule pipe. 304 sheet and plate can be cut into shapes or rings on Speedy Metals High Definition Plasma cutter.
Machinability and Weldability:
Machinability is rated at 45% of B1112. Average cutting speed 75 ft/min. Easily welded by all commercial processes except forge or hammer welding. The resultant weld has good toughness and ductility. Annealing is recommended after forging to maintain maximum corrosion resistance. 304/304L can be forged between 2100°-2350°F. Do not forge below 1700°F.
Heat Treating:
304/304L is not hardenable by heat treatment. Cold working increases tensile strength and hardness. Annealing range is between 1850°F and 2050°F.. Cool rapidly. Water should be used for heavier sections; air for lighter sections. The stress relieving range is between 400°F and 750°F.
Bebon will provide 304/304L square stainless steel tubing, 304/304L round stainless steel tubing and 304/304L rectangular stainless steel tubing. Welcome to send your order to [email protected] We will reply you as soon as possible.

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