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Gasket shall be as per ASME B16.20. But it gives only hardness value not given mechanical properties and Chemical composition requirements.

from where to check the flatness & Plating of octagonal ring gasket. If the gasket is as per ASME B16.20. Not find in the B16.20.

Where to verify (standard code) the Soft Iron Octagonal ring gasket material mechanical properties & chemical properties?

I refered both the code but it is not specified.

Does body knows form where we get the requirement values for minimum average absorbed energy and minimum individual absorbed energy for ASTM A 694 Gr.65 flange material? The values are not specified in the ASTM A 694 specification.

Does anyone can know what are the requirements for 3LPE field joint coating? design temperature is 80 to -29 degree centi grade, design pressure is 130 barg and Coating final thickness is 2.5mm. It is for submarine pipe line coating. I need these information to fridge the requirement for the...

Thank you SJones for guiding me on perfect way to get the impact test temp. for low temp. service requirement.

Design code is DNV-OS-F101 & Pipe Material specification and manufacturing code is API 5L, Material grade is X65M PSL2.

the pipe code is API 5L, material grade is X65M PSL-2

Thank you very much metengr. As per ASME B31.3 Curve B, Impact test to be exempted for -20 degree centi grade design temperature with the consideration of Plates shall be manufactured by thermo-mechanical controlled rolled process or supplied in the quenched and tempered condition and weld seam...

I want to know what will be the Charpy Impact test temperature for API 5L X65M PSL2 material. This material is for subsea pipeline application. Design condition is Max. 80 degree centigrade and Min. is -29 degree centigrade. Pl. guide me if anybody have some inputs for the CVN test temperature.