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[MW:13353] UTS/YS values for SEW 089 & SEW 680 materials

By Materials & Welding

We have very old shell and tube exchanger (30 years old) which has the following material. We need recheck with design calculation, however we are unable find the specification for these materials. Can anybody provide where can I get the allowable stresses and mechanical properties of this material, particularly we are looking for yield stress value  of following material at 50 °C.

 

I tried to contact  German Iron and Steel Institute (VDEh)   @ Heinz-Friedrich.Hach@vdeh.de, but no response (http://www.stahl-online.de/english/Stahlinstitut_VDEh/Standards.php?highmain=5&highsub=0&highsubsub=0)

Plate material – TT st E36 SEW 089 (Google search ~ nearest equivalent SA 537 cl 1)

Pipe material – TT st 35N SEW 680 (Google search ~ nearest equivalent SA 333 Gr 1/6)


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