ASME VIII design strength

Hi,

Does anyone know when ASME VIII Pressure Vessel Code changed from design strength = UTS/4 to 2/3yield ?

If so, does anyone have a copy of this old version?

Many thanks,

John.

i will say, if im not forgotten 1998. need to check on ASme Viii part D. u can email me later at nasrul@knm@group-com (office mail) or [email]namasral@yahoo.com[/email]. If i had a copy i give u later

[QUOTE=namasral;33208]i will say, if im not forgotten 1998. need to check on ASme Viii part D. u can email me later at nasrul@knm@group-com (office mail) or [email]namasral@yahoo.com[/email]. If i had a copy i give u later[/QUOTE]

To be check soon, as per latest 2017 ASME