Tek-Tips is the largest IT community on the Internet today!

Members share and learn making Tek-Tips Forums the best source of peer-reviewed technical information on the Internet!

Register Log in
  • Congratulations MintJulep on being selected by the Eng-Tips community for having the most helpful posts in the forums last week. Way to Go!

Search results for query: *

  1. cadtocam

    Gas Oven Explosion Relief Requirement

    We have a heat treat indexing oven, gas direct fired combustion chamber design. If no solvent or any combustible materials inside oven enclosure, does it still need explosion relief design by NFPA code? Let me know. Thanks. John
  2. cadtocam

    Cleared Rural Building Lot Issue

    When the job just completed the surface was clear, these small trees came out the surface 3 weeks after. The near surface soil is not sandy, it's soil & gravel; the sand was shipped here to cover the surface
  3. cadtocam

    Cleared Rural Building Lot Issue

    Thanks for your advice. In the contract no detailed specification on lot clearing, just specified: (1) Trees & stubs to be removed (2) Lot to be leveled & compacted by 35 tons machine (3) Lot to be covered by 1” thick small stones or sand All small trees you saw on the photos attached to an...
  4. cadtocam

    Cleared Rural Building Lot Issue

    I bought a piece of rural treed land & hired a contractor to clear a 80’x120’ building lot for cottage & recreational purpose this June. In the contract I clearly specified that all trees & stubs to be removed. However, just 5 weeks after there is lots of small trees come out from the cleared...
  5. cadtocam

    High Temperature Alloy - HN & HP Price

    I am not looking for cheaper materials to build furnace rolls. The situation is that we sold a system with about 100 rolls for 2 furnaces: - One Austenitizing furnace operation temperature is 1000C, has 33 rolls use HP modified alloy, rolls total weight is about 40,000 lbs - Another Temper...
  6. cadtocam

    High Temperature Alloy - HN & HP Price

    I am working on a project & using following high temperature alloys to build furnace rolls and it looks like it is out of budget, does anybody know the material cost of these alloys? If so, please share. Thank you. (1) HN (G-X35NiCrSi25-21 OR Pyrotherm G24/24 NbTz) (2) HP Modified...
  7. cadtocam

    Definition of driveway length

    Thanks Ron, but my contractor told me it is always measured from the outside for the driveway length. This confused me, as I am experienced mechanical engineer for similar application we always take the center line as length. Maybe the civil contractor have different standards ?! John
  8. cadtocam

    Definition of driveway length

    I have one question regarding the residential driveway: For a “L” shape driveway (with smooth turn), what’s the definition of this driveway length – measure from outside, inside or center line? Please advise. Thank you.
  9. cadtocam

    Graphalloy bearing noise

    We have an infrared heat glass ink drying oven. The glass is carried by conveyor rollers. As the roller direct exposed to high temperature infrared heaters, its surface temperature can be as high as 800 F. The roller two shaft ends are hidden from infrared heater and their temperature is about...
  10. cadtocam

    Aluminum wheel finishing

    Is there any internet resources talking about the technologies on aluminum wheel finishing? Thanks.
  11. cadtocam

    Automotive plastic finishing

    Is there any internet resources talking about the technologies on automotive plastic finishing? Thanks in advance.
  12. cadtocam

    Difference between Satin Coat and Galvanized Sheet

    Hi, Any body can tell me the difference between Satin Coat and Galvanized Sheet? Thanks.
  13. cadtocam

    Stainless Steel Market Price

    Thanks for the information. Actually, this is an over 2 million dollar industrial project; oxidizer system is part of this contract. This contract was signed last December, now our profit already gone with the jumping steel price. For this heat exchanger construction we need about 1,100 ft long...
  14. cadtocam

    Stainless Steel Market Price

    Does anybody knows the approx. price range of following 300 series stainless steel? If we set the price index for 304L is 1.0, what about: 304H 321 309 310 Thanks.
  15. cadtocam

    304 SS Performance for 1400F Long Term Application

    metengr & EdStainless thank you for your valuable information. For this application no halogens, sulfur, salts or acids attack, but no guarantee that this HX will be kept hot when oxidizer is not in use, this may cause big problem. Further more, to reduce material cost my boss wants to use 304L...
  16. cadtocam

    304 SS Performance for 1400F Long Term Application

    Please can any one give me some help? I am designing a fume thermal oxidizer system. The oxidizer operating temperature is 1400F and will run 22 hours/day, 300 days/year. This system supposes to work 10 years. The discharge of this oxidizer direct connects to a shell and tube Heat eXchanger...

Part and Inventory Search

Back
Top