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2. Piping and plumbing fitting - Wikipedia

   en.wikipedia.org/wiki/Piping_and_plumbing_fitting

   Steel pipe is often joined with threaded connections; tapered threads are cut into the end of the pipe, and sealant is applied in the form of thread-sealing compound or thread seal tape (also known as PTFE or Teflon tape) and the pipe is screwed into a threaded fitting with a pipe wrench. Threaded steel pipe is widely used in buildings to ...

3. Metal spinning - Wikipedia

   en.wikipedia.org/wiki/Metal_spinning

   Spinning tools can be made of hardened steel for use with aluminum, or from solid brass for spinning stainless steel or mild steel. Some metal spinning tools are allowed to spin on bearings during the forming process. This reduces friction and heating of the tool, extending tool life and improving surface finish. Rotating tools may also be ...

4. Crucible Industries - Wikipedia

   en.wikipedia.org/wiki/Crucible_Industries

   By 1939, Crucible was the largest producer of tool steel in the United States, making over 400 products (more than any other steel company). It had nine mills in four states, two coal mines, a water company and a half-interest in a Mesabi ore mine.

5. Stainless steel - Wikipedia

   en.wikipedia.org/wiki/Stainless_steel

   Stainless steel, also known as inox, corrosion-resistant steel (CRES), or rustless steel, is an iron-based alloy containing a minimum level of chromium that is resistant to rusting and corrosion. Stainless steel's resistance to corrosion results from the 10.5% or more chromium content, which forms a passive film that can protect the material ...

6. Corrugated stainless steel tubing - Wikipedia

   en.wikipedia.org/wiki/Corrugated_stainless_steel...

   CSST is used as an alternative to the older standard “black iron” (steel) gas pipe. The inner stainless steel layer of typical residential CSST is .2 to .3 mm thick while the wall thickness of typical residential “black iron” gas pipe is 3 to 4 mm thick. CSST is more expensive than “black iron” gas pipe.

7. SAE 304 stainless steel - Wikipedia

   en.wikipedia.org/wiki/SAE_304_stainless_steel

   A2 stainless steel outside the US, in accordance with ISO 3506 for fasteners. [4] 18/8 and 18/10 stainless steel (also written 18-8 and 18-10) in the commercial tableware and fastener industries. SUS304 the Japanese JIS G4303 equivalent grade. 1.4301, the EN 10088 equivalent. [5] 06Cr19Ni10 and ISC S30408, the equivalent in Chinese GB/T 20878 ...