If the surface of the steel is free from pits and scratches and the welds are well dressed it is more than likely that steam containing up to, say, 50 ppm chloride could be used for cleaning without initiating SCC providing that the surface is rinsed thoroughly with low (<5 ppm) chloride water...
We've request two different pipelines:
1- 16" x 0.374" pipe acc. to API 5L X60
2- 20" Sch STD Pipes acc. to ASTM A 53 Gr.B
The manufacture said that the wall thickness is TOO THIN for an execution as SEAMLESS Pipes.
According to API5L, the min Wall thickness for:
- Pipe 16"
is 0.188"...