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  • Users: OSUengr
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  1. OSUengr

    Grinding and Polishing Stainless Steel

    When polishing 304 stainless with a 24 grit belt grinder, what could cause the stainless steel to flake off and produce divets and pits in the material? Any advice will be greatly appreciated.
  2. OSUengr

    Hot Rolled Nickel 200

    Could 1" thick Nickel 200 in the hot rolled/ hot rolled condition cause problems with welding, such as an increased possibility of weld solidification cracking or HAZ liquation cracking? Thank you.
  3. OSUengr

    Reducing Hardness in SA 516-gr 70 welds

    I need to qualify a WPS and the PQR coupon needs to be 1" thick SA516 gr 70 material. The processes to be qualified are FCAW, SMAW, GTAW, SAW. The welds need to obtain Vickers hardness of 200HV or less without performing a PWHT. We have done tests in the past but we had hardness levels over...

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