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  • Users: Qual7Eng
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  1. Qual7Eng

    ACME Thread Pitch diameter measurement using contact points

    Gents, Please help me to measure the pitch dia. using contact point/balls(dia. 'd') for a stub ACME thread, 24"-2TPI Stub ACME external thread.
  2. Qual7Eng

    Wow- Interesting- CONVERSION

    how this conversio works ??? +/-14 °C (25 °F) and +/-8 °C (15 °F) as per API thaks
  3. Qual7Eng

    PED - Doubt on PED Materials-Annex

    Recently , I came across a new ASTM casting material which was not listed in the Annex of our PED approval of material manufacturer and client needs the CMTR in conformance with PED 97/23/EC. In that case my understanding was we have to go for EN 10204 3.2 certification for the specified...
  4. Qual7Eng

    API 6A-Annex M Qualification of Heat Treating- No.of thermocouples for Calibration

    Hi, Please i need your supports, and get clarified the below , Refering Below extract from API 6A A minimum of nine thermocouple test locations shall be used for all furnaces having a working zone greater than 0,3 m3 (10 ft3). For each 3,5 m3 (125 ft3) of furnace working zone surveyed, at...
  5. Qual7Eng

    ASTM E94 & E1742

    Please help me out...URGENT!!!!!!!!!!!!!!!!! What s the difference between ASTM E1742 & ASTM E94 for RT Examination. Thanks in advance.. :)
  6. Qual7Eng

    ASTM A352 LC2-1 Welding Electrode & Brand??

    Hi, great day, Anyone, please help me out for an welding electrode for Casting of ASTM A352 Gr.LC2-1? UTS:725-895 Mpa YS:550 Mpa Impact @ -73DegC 41J(Avg)
  7. Qual7Eng

    AISI 4320-modified, Higher Tensile properties:1260mpa and Impact @-40DegC

    thread330-174717 Hi, my first post, hope em at the ryt place to solve dis.. we have an RFQ for gear casting, in AISI 4320-Modified chemistry(C:.23-.28, Mn:.75-1.25, Cr:.6-1.0, Ni:1.5-2.0,Mo:.4-.5, Ti:.015-.045)requires UTS(min): 1260mpa, Y.S(min):1000mpa, Elong:9min, Charpy V impact@ -40DegC...

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