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  • Users: fred01
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  1. fred01

    low temperature magnetic material

    I need a magnetic material that is pressure vessel grade suitable down to -40C and complies with the PED requirements particularly for ductility "its bending rupture energy measured on an ISO V test-piece is no less than 27 J" at -40C. There are some boiler plate grades that are OK but this is...
  2. fred01

    PED Valve Ports

    I want to get PED for some valves (pressure accessories) but I am a little conjused over the port fittings. The valve uses SAE threads (3/4-16 UNF-2A) in accordance with ISO 725. The problem is that the port fittings we use are rated by the manufacturer to 6000psi (412bar) and compliant with...
  3. fred01

    Suitable material for valve body

    We are designing a solenoid valve body which is to be compliant with the European PED requirements. The valve is to have a working pressure of 350 bar and operate from -40C to +80C. We want to be able to machine it out of steel bar so we want a material that is easy to machine. We were thinking...
  4. fred01

    DA401 alloy

    Is DA401 a standard alloy. I.e. is it defined in any ASTM or EN standard. If so which standard? Thanks.
  5. fred01

    CC601 standard

    Can someone please tell what standard defines the aluminium alloy CC601. What about other aluminium alloys such as LM25 and A356. Thanks.

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