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[MW:34469] Re: ASME full form of SA - A 387/A 387M – 06a

By Materials & Welding
SA: "S" stands for ASME material specification, adopted from ASTM. 
"A" stands for Ferrous material SA 387/M387M, is Pressure Vessel Plates, Cr-Mo Alloy Steel, SA 387 is in US conventional units(FPS), "SA 387M" is metric version, 06a is 2006 edition addanda.
On Tuesday, November 18, 2014 at 11:28:40 PM UTC+5:30 Adeel Rafique wrote:
SA is an ASME specification for the analysis of ferrous materials. A387 / A387M are the specification number for that particular material. 06a is the year when it was approved by ASME. While 'P" is the number assigned to that material because of its properties. the numerical figure 91 attributes the composition of elements it contains. I found the regarding info in www.weldpedia.com

On Friday, October 17, 2014 11:40:41 AM UTC+5, Akhilesh singh wrote:
Plz help me regarding such full-form:

1. ASME full form of SA - A 387/A 387M – 06a ............. what does means of "SA" - "A" 387 ................. "A387M" - "06a"..........................???

                          or
             A 387/A 387M – 06a

2. Grade P91 steel (A 387/A 387M – 06a)
    what does me "P"  & "91"

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