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Can someone suggest the best grade of stainless steel for use in a marine environment? Parts are not submerged. Some are turned, some are springs; low cycle life.

Anyone know what/if any issues there are trying to solder to IPC J-STD-001 and SAE soldering specs and still be compliant to RoHS?

I am welding 2219-T851 cylinders to a 2219-T851 manifold. I am having trouble finding rectangular barstock for the manifold. The size needed is 2.5" x 3". Any suggestions for another alloy that has similar strength and weldabilty for the manifold?

I've got a small cylinder of 3 in. OD, 2. in ID running a pressure of 2000 psi. I am familiar with hoop and longitudinal stress calculations. How do I calculate the von Mises stress?

I'm searching for a lower cost alternative to Vespel SP1. Application is a poppet to seal a small orifice. Temperature range is -65° F to 220 F, sealing air at 3000 psi. Not sure if PEEK or TORLON would be good down to -65?

I need to coat steel tubing with a low-melt temp (220F to 230F) non-eutectic alloy. Does anyone know a vendor that does or can do this?

I am getting annealed 420F barstock for making turned parts. Tempering at 600 F then air cooling produces a tensile of 230ksi according to Mark's Handbook. I plan on doing the tempering in house in a furnace with an inert atmoshere. Can someone tell me the duration of the heat treat at 600F...

I have two small brass parts that are being used in a switching device. Current is about 5 amps for 30 milliseconds. When the parts are unplated I can get a very slight welding action as witness under a scope. Worst case is the parts stick together due to the minute weld. Can anyone suggest a...

Can someone tell me if and why peroxide cured EPDM is the best choice for the diaphragm material for a low pressure hydrogen regulator.

I need to convince a customer that a laser welded joint is as strong as or stronger than a dip brazed joint. We are joining two aluminum parts and I have flexability in terms of the alloys depending on which method is used. Does anyone know of any documentation comparing brazing versus welding...

Can someone tell me who manufactures AF-E-411 plastic?

Are there any compatability issues with Freon and aluminum?

Does anyone know of a NASA or MIL-STD that deals with the compatibility of liquid oxygen and 440C and other stainless steels? I'm looking more for chemical resistance than ignition resistance.

I need to design a part with 316 but the annealed strength is too low. Is 316 SH readily available in barstock and does it machine well?

Can anyone supply some leads for suppliers of high-pressure pneumatic regulators? Spec info: Inlet press.= 3000 psi, Outlet=175 psi, Cv= 0.2, media is nitrogen.