Saturday, November 23, 2013

Re: Re: [MW:19345] RES: 19338] Chemical composition ASTM A234 Gr. WPB


Hi,

Individual Element maximum limit is specified by the standard,and It is very clear combination of Cr+ Mo shall not exceed 0.32.if you receive the material review the MTC, if it is above the limit specified (Cr+ Mo > 0.32)reject the MTC /material that's it.

Regards,

K.Venkateswaran

On Sat, 23 Nov 2013 12:07:41 +0530 wrote
>Wen Cr + Mo is restricted to .32 hw can Cr alone be .40 max?
On Nov 23, 2013 9:25 AM, "MUNHOZ Sergio TECHINT" wrote:

Follow my interpretation:
You can have 0.40% "Cr" individually without presence of "Mo"; by the other hand if you have "Cr" + "Mo" the sum cannot exceed .32.
 regards
 De: materials-welding@googlegroups.com [mailto:materials-welding@googlegroups.com] Em nome de PUB:José Luís Ferreira

Enviada em: sexta-feira, 22 de novembro de 2013 10:56
Para: materials-welding@googlegroups.com
Assunto: [MW:19338] Chemical composition ASTM A234 Gr. WPB
 Please,  I need solve a doubt about chemical composition of ASTM A234 Gr. WPB.
 In the table 1 for grade WPB, for Cr is specified 0,40 max. and for Mo is specified 0,15 max., but in note F (The sum of Cr + Mo = 0,32 max.), how can be this? if for Cr is allowed until 0,40.
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