[MW:9838] Re: SA 516 Gr.60 high in manganese-accept or reject

agree, note C is applicable in this case, hence can't be accepted

On Feb 11, 4:51 pm, james gerald <gerry_...@yahoo.com> wrote:
> Krishna,
>  
> Manganese max limit as per ASME SA516Gr.60 is 0.90% for Heat Analysis and 0.98% for Product Analaysis.
>  
> But Note (B) of Table 1 Chemical Requirements states that for each reduction of 0.01% carbon below its specified limit(0.21%), Managenes can be increased to 0.06% above its max limit upto 1.5% for Heat and 1.6% for Product analysis.
>  
> So please check your carbon percentage in the MTC.
>  
> Also check the carbon equivalent in your specification and if it meets the requirement, Managense increase may not affect your properties like Hardenability,Hardness and Weldability. Hence can be accepted.
>
> J.GERALD JAYAKUMAR
> 00919344954677
>  
>
> --- On Fri, 2/11/11, krishna <w...@rediffmail.com> wrote:
>
> From: krishna <w...@rediffmail.com>
> Subject: [MW:9821] SA 516 Gr.60 high in manganese-accept or reject
> To: "materialswelding" <materials-welding@googlegroups.com>
> Date: Friday, February 11, 2011, 11:31 AM
>
> Dear all,
>                   We have received MTC for SA 516 Gr.60 plate of 10mm thickness with manganese of 1.47%,the lab test also give the same.
>
> is it acceptable as per SA 516 SPEC.
>
> Please confirm shall we accept or reject the plates,we have procured more tonnes of materails & started fabrication?
>
> what shall we do in this stage?
>
> How to overcome this issue ,pls guide
>
> krishna
>

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