[MW:755] Query on use of Body Material on test valve for Fire testing certification on Hastelloy Valve

Hi all,

I need your help for technical clarification for fire safe testing on Hastelloy Ball Valves.

We are buying soft seated Hastelloy On-Off ball valves, as per specifications all soft seated valves shall be fire safe design and a fire safe certificate is must.

The manufacturer is now taking up the Fire test at China but they are using the body material Austenitic SS (304 / 316). They claimed that the Hastelloy can be classified as 'Austenitic' within the generic classification defined in API 607.

I have a queries as below:
1.) Whether the Hastelloy material C-276 can be classified as Austenitic material within the generic classification defined in API 607. Please provide the reference that defines this.
2.) If the answer to 1.) is yes, whether testing on any austenitic material, say 304 or 316, can qualify the fire test capability of Hastelloy valves.

The relevant section of API 607 is appended below for your ready reference.

Thanks in advance,

Regards,

Sanjay Gandhi
DID : +65-65016099

Foster Wheeler Asia Pacific Private Limited
Block 7 #01-25
991 Alexandra Road
Singapore 119964
Tel: +65 6501 8888

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