Hello all,
I am currently creating a spring design qualification procedure for a fail-safe subsea valve. Current valve/actuator assembly to be qualified per 6A and 17D for which I have already created an extensive procedure for. My current issue is that our end user has specifically asked for...
Hello all,
I am currently creating a spring design qualification procedure for a fail-safe subsea valve. Current valve/actuator assembly to be qualified per 6A and 17D for which I have already created an extensive procedure for. My current issue is that our end user has specifically asked for...
All,
I am looking for the pros and cons comparing 52CrMoV4 1.7701, 5160, and 6150 for spring application.
Currently have a requirement for 5,000 minimum cycle life, with stress levels at 136,000 lbs/in^2 at the top of its working deflection (bar dia of 2.687"). Possible saline conditions...
All,
I am looking for the pros and cons comparing 52CrMoV4 1.7701, 5160, and 6150 for spring application.
Currently have a requirement for 5,000 minimum cycle life, with stress levels at 136,000 lbs/in^2 at the top of its working deflection (bar dia of 2.687"). Possible saline conditions...
Currently looking at doing some HT on some rather large cross sections of 4130. What is the average through hardness depth that is usually seen out of 4130? I keep getting a wide range of values, but from what I have heard it is about 2 inches which seems low... going to be HT,Qenched and...
