ASTM A 182 F22 will have better properties than A 387 F22.
A387 is Plate material.
A182 is Forging material.
You can refer relevant ASTM Book of standards.
Regards,
C.Muniyandi
On Sat, Dec 18, 2010 at 5:39 PM, pinak <pinakdutta1@gmail.com> wrote:
Hi,
We are manufacturing steam turbines for Cogeneration applications. We
do not have material ASTM A 387 Gr.22 readily available and intend to
use ASTM A 182 Gr.F22 grade against our requirement of ASTM A 387 Gr.
22. Before we take this decision we need to compare properties at
elevated temperature which is not available in standard.
The component in question could see elevated steam temperatures of up
to 540 Deg C
Would request all group members for help and if possible send some
documentation on the properties at elevated temperatures for both ASTM
A 387 Gr.22 and ASTM A 182 Gr.F22
Regards
Pinak
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