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  1. CR100

    Database of Charpy Data - Where to find

    I am sure this exists and don't mind paying for it. I am looking for a comparison of Charpy test results of different steels (4130,4330,9310,3312,4340,300M) at different hardnesses. I have searched through ASM International and found nothing.
  2. CR100

    Forging 1045 Cold Rolled

    We currently produce a machined wrought connecting bar that is composed of 1045 Cold Rolled Steel, this material has a YS of 85ksi and a UTS if 115ksi. We are exploring forging this piece but are concerned about using 1045 Cold Rolled bar. As the heating to 2300°F due to forging may effect the...
  3. CR100

    A514 from one supplier to another = problems!

    We have ran into an interesting problem in regards to A514 material. The pieces are 13.5" diameter discs of 3/4" thickness, the are machined down to a slim profile of about .188". The finished piece almost looks like a bowl. Anyhow from one supplier we get very little movement after...
  4. CR100

    Help with heat treating 52100

    I need some help in regards to heat treating a camshaft of 52100. - Currently we start with a round 2" billet, its roughly 6.5" long. - Its rough machined, down to an effective diameter of about 1.25", with an eccentric lobe in the center (hence the 2" bar material). 0.020" is left on all...
  5. CR100

    Solidworks Subscription/Maintenance & Simulation

    We are currently using Solidworks in a networked license arrangement (5 seats). Our maintence contract has come up for renewel. I am looking at around $14,000. Are their any legit :) methods of reducing this fee? 1 seat of SW Pro 2 seats of SW Pre 1 seat of SW Pre/Sim 1 Seat of Flow...
  6. CR100

    Heat Treat Standards on print

    When creating manufactuering prints is their a standard on how to specificy the strenght the of the material or Heat treat procedure? For example, I have specifcied a print for a forged valve. Can I just specify the Yield Strength, Tensile Strength and Elongation. Or is there a standard I...
  7. CR100

    Copper in 8640? Is it possible?

    We had a lab analyzed some unknown ball joint material, and the results were rather puzzling. The lab unidentified the material as 8640, but with .2% copper. Could this be a custom grade of material specifically for increase wear resistance?
  8. CR100

    Calculating deflection of suspension bushing

    I was curious if someone can direct me to a source to help me estimate the amount of deflection from a rubber cylinder suspension bushing. The load would be radial towards one side of the bushing. And with a given load I am looking to determine the deflection of the elastomer. Thanks in advance.
  9. CR100

    Calculating compression of cylindrical bushing.

    I was curious if someone can direct me in the right direction. I am looking to predict the amount of compression/displacement of automotive cylindrical rubber bushing versus the load applied. The load of course would be applied as a radial force from the center sleeve towards the outside of...
  10. CR100

    Can I re-temper A514/QT100 for increased toughness

    We are developing an automotive drive plate that requires a failry ductile and tough material. The volume on the project is fairly low, so we are constrained to typical readily available plate material. A514/QT100 plate meets exceeds our requirements, but the concern is that the hardness is...
  11. CR100

    Tie Rod/CV joint Rubber Boot Material, what is it?

    I was curious to determine what material are the majority of OEM "rubber" tie rod or CV boots made of. Is it CR/neoprene or another material all together.
  12. CR100

    Increase ductility and toughness of A514/QT100

    We are developing an automotive drive plate that requires a failry ductile and tough material. The volume on the project is fairly low, so we are constrained to typical plate material. A514/QT100 plate meets these requirements, but the concern is that the hardness is to high. Can this...
  13. CR100

    Help finding rubber grommet supplier

    I was curious if anyone could point me in the right direction for a supplier of a larger rubber grommet (.25 ID) that has a ferrule incorporated to prevent over tightening of the grommet. These pieces are used quite often in the automotive sector when securing radiators to cross members and...
  14. CR100

    Heat treated 4130 Color Result

    I have two different plates of 4130, both heat treated to a hardness of HRC 22, the but it looks like both plates are heat treated differently as the color of the finished plates is different. Plate sample A is a dark gray to black while plate sample B is a light gray. Is the finished color a...
  15. CR100

    Help locating/sourcing E Series 7050-T73 Rivets

    We are looking to purchase 5/16 E Type 7050-T73 rivets for a prototype project here. Does anyone have any insight on who would stock such a piece. Every where I have called, it is a non stocking item, and I have to order 25lbs if I want it. Ouuch. Thanks for the help.
  16. CR100

    Help Indentify Tool Steel /Stainless Steel

    I was wondering if anyone can help me indentify this material. It is used in High temperature automotive applications as a bushing. C = 1.139 Mn = .540 P = .041 S = .021 Si = 2.149 Cr = 32.812 Ni = .377 Mo = 2.054 Cu = .228 Mg = .032 W = .039 V = .277 Co = .053 Sn = .012 Al = .034 Nb = .049...
  17. CR100

    Inspection Bench with threaded holes

    We are looking at sourcing a new inspection table that allows fixtures to be easily bolted to the top surface. Similar to the one in the picture in the below link. Can anyone recommend a manufacturer> http://us.romer.com/images/stories/tis-new-romer.jpg
  18. CR100

    Cross Reference or Reverse Material Lookup

    I am curious if anyone is familiar with any websites that have the ability for you to enter the material composition (Fe%, Cr%......) and it will tell you what type of material it is according to a particular standard (AISI). I know matweb does this but I am looking for alternatives. Thanks
  19. CR100

    Anodizing 7075 & 7050 Rivet - Need opinion

    I figure this is the best place to ask ths question, We are designing an aluminum fan drive hub (7075) and would like to use a 7050 solid rivet. Our concern is with corrosion as this is an on road applicatin (winter salt). We were going to anodize the hub first and then leave the rivets as...
  20. CR100

    Polyurethane Max Compression

    I am trying to determine the maximum stress (or max deflection) allowable for a polyurethane bushing. The only info provided has been tensile strength, elongation, durometer and modulus 100. Perhaps I am incorrect but I am concerned that the side loading of the bushing will compress the...

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