[MW:2125] RE: 2115] RE: 2114] preheat SA- 516 gr 70

 Thickness are  ¾”  5/8” ½”   3/8”  5/16” and  ¼” 

 

De: materials-welding@googlegroups.com [mailto:materials-welding@googlegroups.com] En nombre de Bathula Raghuram (Mumbai - PIPING)
Enviado el: miércoles, 06 de mayo de 2009 11:18 p.m.
Para: materials-welding@googlegroups.com
Asunto: [MW:2115] RE: 2114] preheat SA- 516 gr 70

 

What is the thickness involved? And what is your atm temperature?

 

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From: materials-welding@googlegroups.com [mailto:materials-welding@googlegroups.com] On Behalf Of SAUL VASQUEZ T.
Sent: Thursday, May 07, 2009 6:20 AM
To: materials-welding@googlegroups.com
Subject: [MW:2114] preheat SA- 516 gr 70

 

 

Dear   all

 

We are making  API 650 steel tanks with  steel ASTM  516 gr70 and our client requests that preheat to 70°C - 100°C is this correct? The API 650   code section 7-1 that says that  preheat at 10°C

thanks all

 

 

 

Cordial saludo

Kind regards

Saul Vasquez T.

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