Re: [MW:29782] SA420 Gr. WPL6/SA234 Gr. WPB

WPB is for high temp and WPL6  is for low temp. 

You can not use. 

Regards 

A p gupta 

ThyssenKrupp 

Qc manager 

Sent from Yahoo Mail on Android

On Fri, 5 Jul 2019 at 19:36, Sulfi Afdhal

<sulfiafdhal@gmail.com> wrote:

Dear

I have a question about my Inspection Certificate of pipe fitting.

We order of material for low temperature ASTM A420 Gr. WPL6.

But, in hard stamp and certificate is "WPL6/WPB" (Attached)

Where i know, for WPB is ASTM A234.

what is the product can used for Low Temperature Service -45degree Celcius???

and if true, any one know reference from standard ASTM???

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