NEXAGE™347AlPa  (Austenitic stainless steel pipes and tubes against polythionic acid SCC and stress relaxation cracking)

&lt;Features&gt; 
(a)Excellent polythionic acid SCC resistance and stress relaxation cracking with no PWHT(post-weld heat treatment) 
(b)Superior high-temperature strength to type347H 
(c)Equivalent weldability Type304 and superior one to Type347

&lt;Equivalent steel grade, chemical composotions&gt;

<ul><li>ASTM S34752, ASME Code Case 2984</li>
	<li>18Cr-11Ni-3Cu-Mo-Nb-B-N</li>
</ul><img alt="NEXAGE 347AlPha" data-entity-type="file" data-entity-uuid="8f139326-4bdd-4f62-ad53-6239e7c90634" height="122" src="https://bo.preprod.tubular.nipponsteel.com/sites/default/files/inline-images/347Alpha%E5%8C%96%E5%AD%A6%E6%88%90%E5%88%86.png" width="784" loading="lazy" /> 
&lt;Evaluation results&gt; <img alt="NEXAGE 347AlPha" data-entity-type="file" data-entity-uuid="9ea21df3-ddaa-4fbe-a97a-00e35bb1c58a" height="925" src="https://bo.preprod.tubular.nipponsteel.com/sites/default/files/inline-images/347Alpha%E3%83%87%E3%83%BC%E3%82%BF.png" width="785" loading="lazy" />

NEXAGE 347AlPha

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