Dears
We have a product of size 320mm long and ID 80mm , which requires to be zinc electroplated as per ASTM B633 TYP 3.But at the time of electroplating we observed that the ID portions are not getting zinc depositions and hence parts are getting rejected on coating.Can anyone pls advise how...
Dear Metenger
We have purchased some nuts and supplier confirmed that nuts were manufactured by hot forging process.They have given test results of bars, but in this case that results will not be valid .So we have asked supplier to provide proof load results ,but standard ASTM A453 does not...
Hi
Anyone can advise how we can certify a forged nut as per ASTM A453 660.Because this standard only mentions the mechanical results of tested bar.But forged nuts will be having some different properties and not possible to do tensile testing.Is there any standard in ASTM which gives reference...
Thanks for the comments@metenger -Total no of bolts were 900 and the size was 5/8" ,for that reason to achieve the temperature evenly for all the parts we hold for 1 hour.@TVP-if we perform solution treatment on bars and head forming after that normally the head portion will be in strained...
Hi ,We have tried some solution annealing of 316 forged bolts to meet the requirements as per ASTM A193 B8M CL.1. Observed hardness before solution treatment was 38HRC .Parts has heated to 1050Deg for 1 hour and water cooled.Hardness has dropped to 125HBW after treatment. We will perform a...
