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Hi I need to know proper welding consumable for welding A514 to A516. unfortunatley I did n't find anything about this on the internet. Can you help me guys?[smile]

Hi everybody we have faced with a problem that longitudinal weld of some fittings (i.e two elbows or two reducer) are along side of each other. the design code is B31.3 and it does not have any clause about this matter that it is prohibited or not. on the other side we are in construction and...

could you please help to find out what the advantages and disadvantage of using SAWL pipes instead of EFW in a petrochemical plant is? material :A672 Gr.B60

Tanx guys, thank you so much

Globe valve, Body material is A105

Hi In H2SO4 services (98% - 85c) the contractor want to use PTFE as body seat ring and trim but we think it is not proper. also we have another choice, carbon steel. but seems high corrosion will be happened in aforementioned temperature. could you please help me to select the best choice.

tanx guys

Hi is it possible to use stellite coated trims in Boiler feed water services which include amines and hydrazine ?

Hi Does it possible to use stellite coated trims in Boiler feed water services which include amines and hydrazine ?

Hi For insulation calculation which temp. should be used: 1- minimum ambient temp. 2- average annual temp. and if you have any reference (such as standards or handbook)i will be thankful to tell me

Hi What is the difference between A376 TP321H and A312 TP321H (Seamless pipes) and which one is the most expensive?

does EN 10204 have any equivalent(s) in ASTM/ASME or other well known American codes and standards?

I need a code or standard specify the maximum value of hardness after PWHT on P1 materials. In many specs. it is 200 BHN but no official reference has been mentioned.

Hi guys I need some information about application of SS in petrochemical specially in pressure vessel or heat exchanger. for example which type of SS is preferred for a pressure vessel in a methanol plant?