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  • Users: ITBT
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  1. ITBT

    ASTM A36 charpy

    Hi, I am designing a lifting device on board a barge, where the design temperature is required to be 0F and above. Does the material need to go through charpy test? Say if I use ASTM A36 for the structure? Any boby familiar with ABS rules? Thanks.
  2. ITBT

    PH150 piston rod

    I come across a piston rod material of PH150 recently, but am not so familar with it. Would anybody give some clue on the mechanical property of this material? Thanks.
  3. ITBT

    Dimensions of ANSI flange

    Hi, Can any body tell me where I could get dimensions of 1" ANSI B16.5 Class 2500 weld neck, ring joint type flange? Thanks in advance.
  4. ITBT

    HYDRAULIC SOCKET DIMENSIONS

    I wish to have some 3000psi npt socket catalogs. Can anybody tell me web address to down load?
  5. ITBT

    ACME Thread

    Hi, Wish to know what thread designation of 1-3/4"ACME-2G means. 2G must be the tolerance of male thread, but what exactly is the tolerance and what is the designation for female thread? Any idea is appreciated. Happy new year!
  6. ITBT

    Is ANSI flange equal to ASME flange

    Hi, Wish to kown the difference btw ANSI weld neck flange and an ASME flange. Can anybody help? A lot of thanks!
  7. ITBT

    SI units for pipe thread

    Hi, Can anybody provide some idea on SI units for pipe thread? One customer requirement is to use SI units for my proposed port size (female socket) 1-1/2"BSPP and 2"BSPP. Does it mean I must use metic size of M48x2 and M60x2 ? Thanks!
  8. ITBT

    Accumulator volume problem

    I came across an accumulator volume problem that needs help. I charged the an EPE AS55 accumulator from 0 to 4500 psi and turned off inlet valve. The pressure droped a little and stablized at 4000 psi. Then I opened outlet valve to collect water till pressure droped to 1600 psi. In this...
  9. ITBT

    Accumulator volume problem

    I came across an accumulator volume problem that needs help. I charged the an EPE AS55 accumulator from 0 to 4500 psi and turned off inlet valve. The pressure droped a little and stablized at 4000 psi. Then I opened outlet valve to collect water till pressure droped to 1600 psi. In this...
  10. ITBT

    ss431s29t

    hi, can anybody tell me the hardness of ss431s29t? any advice is appreciated.
  11. ITBT

    charpy impact

    hi, here is a low carbon steel which has a charpy impact energy of 100J at -20 deg. is there any mild steel that can sustain nearly the same? thanks! itbt
  12. ITBT

    charpy impact

    hi, here is a low carbon steel plate which has a charpy impact energy of 100J at -20 deg. is there any mild steel that can sustain nearly the same? thanks! itbt
  13. ITBT

    What is hydrotest media

    This test is meant for a low pressure vessel, at 150PSI. Can I use oil to do the test? Any help is appreciated. Thanks.
  14. ITBT

    what's the use of torque arm for gear motor

    Some of the hollow shaft worm gear motor requires a torque arm at bottom. Can anybody tell me what's the use of it? Thanks
  15. ITBT

    what material is GJ22

    I come across an Eropean drawing which is using GJ22 as material code. Can anybody tell me what kind of material it is. Thanks!
  16. ITBT

    how to select motor HP for screw conveyor

    Does any body know how to select motor horsepower for a screw conveyor? The conveyor ID is 458mm, screw shaft runs at 10RPM. Total length is 2.5m. The material in the conveyor is sweet corn. Any answer or formula is highly appreciated. thank you
  17. ITBT

    Pressure container thickness

    Does anybody have the formula that tells the relation between pressure and contianer wall thickness? itbt 24/10/02
  18. ITBT

    Have a pelleting die to drill holes

    Have a pelleting die to drill holes on the surface. I need to design an indexer for it. Please visit www.umt-group.com/Products/Consumables/Pellet_Dies/body-pellet-dies.html for a better idea of the product. Max. OD of die is 960mm, ID760mm, width260mm. The die shall be mounted vertically on...

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