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Duplex SS - Charpy Testing of Sub-sized Specimens per UG-84

Duplex SS - Charpy Testing of Sub-sized Specimens per UG-84

Duplex SS - Charpy Testing of Sub-sized Specimens per UG-84

(OP)
I am running procedure qualification tests on S32205 duplex SS. I need to know how to process subsized Charpy coupons; it seems Table UG84.2 does not apply.
I do not even find S32205 anywhere in Section VIII-D1 (2010).

"If you don't have time to do the job right the first time, when are you going to find time to repair it?"

RE: Duplex SS - Charpy Testing of Sub-sized Specimens per UG-84

Table UG84.2 is applicable based on the geometry of your test piece. So it may or may not apply as you haven't provided any specifics. S32205 is a 22 Chrome, have a look at S31803 which is for 22 Chrome.

RE: Duplex SS - Charpy Testing of Sub-sized Specimens per UG-84

S32205 is a subset of S31803, so many places in the code you still have to use S31803.
(All S31105 is S31803, bot not the other way around. S32205 has tighter chemistry restrictions)

= = = = = = = = = = = = = = = = = = = =
P.E. Metallurgy, Plymouth Tube

RE: Duplex SS - Charpy Testing of Sub-sized Specimens per UG-84

UNS S32205 is a code case material for use in Section VIII, Div 1. The code case states below;

(f) Impact testing in accordance with the rules in
UHA-51 for austenitic-ferritic duplex stainless steels
is required


Of course you knew that.

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