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...carbonate, and chloride. Now, these appear naturally in tap water. And where you brew in the world will determine what your iron concentration in your water is. So if you live in a very hard water area, your iron concentration will generally be quite high. And when we talk about hard water, generally what we're talking about is carbonate, and that's the lime scale that...

...carbon steel. Carbide tips are brazed or clamped into position, and are used for harder materials and/or higher production rates. They are more expensive to buy, and require a more rigid, powerful and faster machine, but have a longer life and 3–10 times the cutting speed of high speed steel. Materials Drilling Almost any material can be drilled, the only limitation...

...carbon and nitrogen (instead of CH4 and N2), and the lower temperatures reduce the risk of edge brittleness in cemented carbide tips. PACVD uses an argon plasma to heat the substrate material, thus lowering the temperature of the process to 400–500˚C. In diffusion CVD the coating, substrate and temperature are chosen so the coating reacts with the substrate to produce...

...carbon and low alloy steels. Most non-ferrous metals cannot be flame cut, although titanium, which does not fulfil the above requirements, can be successfully flame cut. Despite precautions, carburisation and hardening usually occur in the thin solidified “re-cast” layer. High alloy steels, cast irons and non-ferrous metals cannot usually be cut by conventional flame...