DIN 16Mo3/15Mo3: basic composition is C -0.5Mo
For weld this material to itself or CS you may use Bohler DMO-IG or similar
For welding to SS you may use ER/E309 (please check the design temperature), often this material is selected for moderate to high temperature in reaction section, if the DT is higher than 300 Deg.C, I would prefer Inconel filler (ENiCrFe2 or ERNiCr-3 etc.)
No great precautions required, you can weld as simple as CS/SS welding, since it is cast steel you may go for pre heat on 15Mo3 side.
From:
Sent: Thursday, May 15, 2008 10:11 PM
To:
Subject: [MW:773] DIN 16Mo3
Dear Friends,
A casting (valve body) made up of DIN 16Mo3. I would like to know about
1. Equivalent ASTM casting material
2. when this casting needs to be welded with another SS strip, what precaution are required during and after welding.
Request to through light on above issues.
Regards,
T S Reddy
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