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Results 2301 - 2310 of 2311 for Water treatment
  • Photovoltaic Thin Film Manufacturing Cost Reduction
    Article - 7 Jan 2002
    One of the barriers to wide spread acceptance of solar energy is the cost of photovoltaic systems. This article looks at ways these costs can be reduced such as capital costs, deposition rates, other...
  • Stainless Steel - Grade 440 (UNS S44000)
    Article - 7 Nov 2001
    Suitable heat treatment can see this grade attain the highest hardness, strength and wear resistance of any stainless steel. This is due to the high carbon content. The composition is optimised for...
  • Stainless Steel - Grade 430 (UNS S43000)
    Article - 26 Oct 2001
    Grade 430 is a non-hardenable grade that combines good corrosion resistance, formability and useful mechanical properties. It is resistant to nitric acid making it useful in the chemical industry, but...
  • Stainless Steel - Grade 420 (UNS S42000)
    Article - 23 Oct 2001
    420 is a higher carbon version of grade 410. When fully hardened it is the hardest of this family of stainless steels. Hardness is optimised at the expense of other properties. Typical applications...
  • Stainless Steel - Grade 416 (UNS S41600)
    Article - 23 Oct 2001
    416 is the most machinable grade of stainless steel. It is a low cost grade and can be used unhardened, hardened and highly tempered states. Hardness is optimised at the expense of other properties...
  • Stainless Steel - Grade 410 (UNS S41000)
    Article - 23 Oct 2001
    410 is the basic martensitic grade stainless steel. They are optimised for high hardness, although other properties can be compromised. Corrosion resistance is aided by hardening. Typical applicatiosn...
  • Stainless Steel - Grade 321 (UNS S32100)
    Article - 23 Oct 2001
    321 is similar to 304, but uses titanium as a stabilizer. They differ in that they are resistant to intergranular corrosion after heating to temperatures in the carbide precipitation range.
  • Stainless Steel - Grade 302HQ (UNS S30430)
    Article - 19 Oct 2001
    302HQ is a specialised wire grade finding very wide usage for manufacture of stainless steel fasteners. 3% copper in the composition reduces the cold work hardening rate compared to Grade 304.
  • An Introduction to Grey Iron
    Article - 4 Sep 2001
    These are a form of cast iron that have variable properties dependent on the microstructure. The microstructure can be altered via heat treatments. In general these materials have low tensile...
  • Heat Treatment of Steels - The Processes
    Article - 9 Jun 2001
    Softening processes such as annealing and normalising, and hardening processes such as hardening, tempering, thermochemical processes, carburising, nitriding and boronising are all explained.

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