WPS/PQR with ASTM A487 4C with 316 overlay
WPS/PQR with ASTM A487 4C with 316 overlay
(OP)
I need to make WPS/PQR of ASTM A487 4C as base material and 316 as overlay.
I am not able to find P number for 4C.
Can anyone help?
Thanks
Carlo
I am not able to find P number for 4C.
Can anyone help?
Thanks
Carlo





RE: WPS/PQR with ASTM A487 4C with 316 overlay
I can find Grade 4 Class A, B and E. These are listed by M-No 10F, 11A and 11A, respectively.
RE: WPS/PQR with ASTM A487 4C with 316 overlay
Be carefull overlaying with 316. Depending on dilution, you can end up with a martensitic composition, which would be crack prone. If possible, overlay with one layer of 309, and then one layer of 316.