Thanks all.
The impeller material for the pump is CA6NM and the medium is well deaerated in power plant. The temperature for medium is about 175 degree.
After discussed with our custumers, they consider the 42CrV is carbon alloy and the CA6NM is stainless material. There is the ferrite...
I want to persuade our customers to use 42CrV6 material shaft permanently.And I would like to know why the API610 standards require the 12% chrome steel in the boil water pump.
As per the API 610 standard Table H.1 material class for pump parts, for boil water shaft, it is recommended in S-6 to use the 12% chrome steel.
Due to the urgent need from our customer, I would like to use the 42CrV6 (carbon alloy SAE6140)instead of the martensitic A276 S42000 to make the new...
