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Dear all What is the difference between the next materials: ASTM 357 cl 1 and ASTM 516 Gr 70. Can they be used in the same process conditions? can they be interchangeable?. which one is better for gas hydration vessels. Regards

Hi, Can any one give me a clear explanation why in some companies specifications they avoid using short radius elbows inside pressure vessels. regards

Hi, For some reasons we are obliged to use them togather in the same process condition for a max design temperature of 290°C

Hi PLease advise the compatibility of welding different material as follows: 1)ASTM A106 Gr. B 2)ASTM A333 Gr. 60 3)ASTM A333 Gr. 65 4)ASTM A105 Can these materials be welded togather? Regards

Hi; I would like to know if there any limitations if welding piping ASTM A106 Gr B with piping ASTM A333 Gr 65. Regards

hello, for space problem inside a pressure vessel a short radius elbow is requested to be installed on internal piping instead of long radius one. - is there any impact if installing short radius and what is the alternative solution. regards

I need help about one subject related to piping material selection. For reasons of delivery time of the piping and accessories contractor asks to use LTCS instead of CS with impact test for the pipes greater or equal to 12.7 mm thickness, is it possible to use LTCS material instead of CS...