hi
in our PMC for one of C.S class from 18" and above and thk>19mm client consider A671 gr.CC60 class 32 but due to availability of class 22 we want to buy class 22.I Know that difference is in heat treartment operation between above mentioned class but is there any big deviation according to...
dear sir
According to my experience from 6" and above wall THK. more than 10.7 possible to use CLAD pipe.but before applying this you have to check piping material specification.
regards,
Sadra
hi
I agree with all of you.hardness is more than 22HRC but
where inconel 625 clad carbon steel is used in NACE service
the hardness requirements of the nace document are not
applicable as the inconel 625 cladding dose not corrode and
hence there is no evolution of atomoic hydrogen.therefore...
hi
we qualified pqr for inconel 625 clad material(API 5L X65+
3mm inconel 625).the maximum hardness in HAZ on base metal is 252 HV10. our service is soure according to NACE MR 0175.hardness is acceptable or not?
thanks and regards.
R.Salimi
hi
I have one pqr for A516-Gr.70 material thickness is 6mm
and laboratory impact tested in -46C for subsize 3.3*10(MM)
and the results are for WL:26.6(J),FL:25.3(J),FL+2:31.3(J),
and FL+5:37.6(J).pls. note that -46C is MDMT for our
project.
now my problem is this:according to para 323.3.4 in...
hi,
in our project we have api 5l x65 cladded with 3mm inconel
625 the thk of carbon steel portion is more than 19mm in this case pwht is require or not.
regards
r.salimi
hi
could some body introduce me for performing one trainning course
for weldoverlaying clad with alloy 625 to do this course in iran.
regards,
Reza Salimi
r_salimi@boushehr.sadragroup.com
hi
my problem is we have one wps for single v bevel without any backwelding mention in that. now if i wanted to do backwelding on the joint another wps is require or not?
I hope I could transfer my problem.
thanks,
Reza Salimi
r_salimi@boushehr.sadragroup.com
hi;
let me explain that we have one wps for single bevel.now
because of some reason we wanted to do backwelding but client request new wps .our code is aws D1.1 not asme sec. IX
regards,
reza salimi
hi
We have WPS for single side bevel.if we wanted to do back welding we have to have another WPS or not?.I beleive that K
bevel or X bevel has different meaning with backwelding.
If my idea is not correct pls. advise me.
I have a substantial amount of Inconel clad CS piping ranging from 8" - 32". The average WT of the CS is 19mm, with a 3mm thick Inconel cladding. My problem is that I have numerous 3/4" instrument connections that require weldolet or weldoflange connections. I must ensure that...
