Tuesday, May 4, 2010

[MW:5065] FIttings P235GH & P265GH material for -10 deg C ?

Hello all,


The carbon steel Pipe ( EN 10216 & EN10216 - grade P325GH & P265GH ) & flanges ( EN10222- P245GH) are defined till  -10 deg C.

but for Fittings, grade P235GH and P265GH material, are defined are defined only upto Minimum temp. of 0 deg C as per EN10253 table 9.

Is it allowed to use these fittings materials for service at -10 deg C ? if yes then what additional we must take into consideration.

or do we have to go for low temperature material of P355N or P335NH material grade ?

waiting for your replies


Kind regards

Rahul


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