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Hot Tensile Test of ASTM A182 (F51)

Hot Tensile Test of ASTM A182 (F51)

Hot Tensile Test of ASTM A182 (F51)

(OP)
Hi all,
Does anyone know why there would be a dip in a high temperature (190 deg C) tensile test of an F51 stainless steel? The room temperature tensile test is as expected but the high temperature tensile test a lot is lower than expected.
Any ideas?

RE: Hot Tensile Test of ASTM A182 (F51)

Could you post the RT and elevated temperature data?

RE: Hot Tensile Test of ASTM A182 (F51)

(OP)
RT : 75 KSI (.2% Yeild)
RT : 103 KSI (UTS)

Elevated temp: 54 KSI (.2% Yeild)
Elevated temp: 86 KSI (UTS)
Elevated temperature = 190 deg C

RE: Hot Tensile Test of ASTM A182 (F51)

Shaw123;
The F51 stainless steel is a Duplex 2205. From the literature I have seen for this duplex ss at room temperature and at 200 deg C, the following properties are published;

RT

UTS ~92-121 Ksi
0.2% YS  67 Ksi min


200 deg C

UTS ~ 80 Ksi

0.2% YS  ~ 46 Ksi

RE: Hot Tensile Test of ASTM A182 (F51)

(OP)
Thank you metengr,

Its good to know that my data is consistent with the literature.

The worry I have is the elevated temperature UTS. I would normally be expecting 88 Ksi.

RE: Hot Tensile Test of ASTM A182 (F51)

The worry I have is the elevated temperature UTS. I would normally be expecting 88 Ksi.
On what basis ar you expecting 88 ksi? Is this for the base material or weld?

Thanks and regards
Sayee Prasad R
Ph: 0097143968906
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email: sayee_prasad@yahoo.com
If it moves, train it...if it doesn't move, calibrate it...if it isn't written down, it never happened!

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