{"id":26462,"date":"2026-05-22T02:51:14","date_gmt":"2026-05-22T02:51:14","guid":{"rendered":"https:\/\/ualloys.wpenginepowered.com\/resources\/stainless-steel-chemical-composition\/"},"modified":"2026-07-02T03:50:12","modified_gmt":"2026-07-02T03:50:12","slug":"stainless-steel-chemical-composition","status":"publish","type":"page","link":"https:\/\/www.unifiedalloys.com\/fr\/resources\/stainless-steel-chemical-composition\/","title":{"rendered":"Composition chimique de l’acier inoxydable"},"content":{"rendered":"\n
Composition chimique de l’acier inoxydable<\/th><\/tr>
Nuance<\/th>Composition chimique<\/th>Autres<\/th><\/tr>
<\/th>C<\/th>Si.<\/th>Mn<\/th>P ( max)<\/th>S ( max)<\/th>Ni<\/th>Cr<\/th>Mo<\/th><\/th><\/tr><\/thead>
TP 304<\/td><= 0 .08<\/td><= 0 .75<\/td><= 2 .00<\/td>0 .04<\/td>0 .03<\/td>8 .00 ~11 .00<\/td>18 .00 ~20 .00<\/td>–<\/td>–<\/td><\/tr>
TP 304 H<\/td>0 .04 ~ 0 .10<\/td><= 0 .75<\/td><= 2 .00<\/td>0 .04<\/td>0 .03<\/td>8 .00 ~11 .00<\/td>18 .00 ~20 .00<\/td>–<\/td>–<\/td><\/tr>
TP 304 L<\/td><= 0 .035<\/td><= 0 .75<\/td><= 2 .00<\/td>0 .04<\/td>0 .03<\/td>8 .00 ~13 .00<\/td>18 .00 -20 .00<\/td>–<\/td>–<\/td><\/tr>
TP 304 N<\/td><= 0 .08<\/td><= 0 .75<\/td><= 2 .00<\/td>0 .04<\/td>0 .03<\/td>8 .00 ~11 .00<\/td>18 .00 ~20 .00<\/td>–<\/td>N: 0 .10 ~0 .16<\/td><\/tr>
TP 304 LN<\/td><= 0 .035<\/td><= 0 .75<\/td><= 2 .00<\/td>0 .04<\/td>0 .03<\/td>8 .00 ~11 .00<\/td>18 .00 ~20 .00<\/td>–<\/td>N: 0 .10 ~0 .16<\/td><\/tr>
TP 309<\/td><= 0 .15<\/td><= 0 .75<\/td><= 2 .00<\/td>0 .04<\/td>0 .03<\/td>12 .00 ~15 .00<\/td>22 .00 ~24 .00<\/td>–<\/td>–<\/td><\/tr>
TP 310<\/td><= 0 .15<\/td><= 0 .75<\/td><= 2 .00<\/td>0 .04<\/td>0 .03<\/td>19 .00 ~22 .00<\/td>24 .00 ~26 .00<\/td>–<\/td>–<\/td><\/tr>
TP 316<\/td><= 0 .08<\/td><= 0 .75<\/td><= 2 .00<\/td>0 .04<\/td>0 .03<\/td>11 .00 ~14 .00<\/td>16 .00 ~18 .00<\/td>2 .00 ~3 .00<\/td>–<\/td><\/tr>
TP 316 H<\/td>0 .04 <= 0 .10<\/td><= 0 .75<\/td><= 2 .00<\/td>0 .04<\/td>0 .03<\/td>11 .00 ~14 .00<\/td>16 .00 ~18 .00<\/td>2 .00 ~3 .00<\/td>–<\/td><\/tr>
TP 316 L<\/td><= 0 .035<\/td><= 0 .75<\/td><= 2 .00<\/td>0 .04<\/td>0 .03<\/td>10 .00 ~15 .00<\/td>16 .00 ~18 .00<\/td>2 .00 ~3 .00<\/td>–<\/td><\/tr>
TP 316 N<\/td><= 0 .08<\/td><= 0 .75<\/td><= 2 .00<\/td>0 .04<\/td>0 .03<\/td>11 .00 ~14 .00<\/td>16 .00 ~18 .00<\/td>2 .00 ~3 .00<\/td>N: 0 .10 ~0 .16<\/td><\/tr>
TP 316 LN<\/td><= 0 .035<\/td><= 0 .75<\/td><= 2 .00<\/td>0 .04<\/td>0 .03<\/td>10 .00 ~15 .00<\/td>16 .00 ~18 .00<\/td>2 .00 ~3 .00<\/td>N: 0 .10 -0 .16<\/td><\/tr>
TP 317<\/td><= 0 .08<\/td><= 0 .75<\/td><= 2 .00<\/td>0 .04<\/td>0 .03<\/td>11 .00 ~14 .00<\/td>18 .00 ~20 .00<\/td>3 .00 ~4 .00<\/td>–<\/td><\/tr>
TP 321<\/td><= 0 .08<\/td><= 0 .75<\/td><= 2 .00<\/td>0 .04<\/td>0 .03<\/td>9 .00 ~13 .00<\/td>17 .00 ~20 .00<\/td>–<\/td>Ti: 5 x C% ~ 0 .70 B<\/td><\/tr>
TP 321 H<\/td>0 .04 ~ 0 .10<\/td><= 0 .75<\/td><= 2 .00<\/td>0 .04<\/td>0 .03<\/td>9 .00 ~13 .00<\/td>17 .00 ~20 .00<\/td>–<\/td>Ti: 4 x C% ~0 .60<\/td><\/tr>
TP 347<\/td><= 0 .08<\/td><= 0 .75<\/td><= 2 .00<\/td>0 .04<\/td>0 .03<\/td>9 .00 ~13 .00<\/td>17 .00 ~20 .00<\/td>–<\/td>Nb + Ta: 10 x C% ~1 .00<\/td><\/tr>
TP 347 H<\/td>0 .04 ~ 0 .10<\/td><= 0 .75<\/td><= 2 .00<\/td>0 .04<\/td>0 .03<\/td>9 .00 ~13 .00<\/td>17 .00 ~20 .00<\/td>–<\/td>Nb +Ta: 8 XC% ~ 1 .0<\/td><\/tr>
TP 405<\/td><= 0 .08<\/td><= 0 .75<\/td><= 1 .00<\/td>0 .04<\/td>0 .03<\/td><= 0 .50<\/td>11 .5 ~13 .5<\/td>–<\/td>AI: 0 .10 ~0 .30<\/td><\/tr>
TP 410<\/td><= 0 .15<\/td><= 0 .75<\/td><= 1 .00<\/td>0 .04<\/td>0 .03<\/td><= 0 .50<\/td>11 .5 ~13 .5<\/td>–<\/td>–<\/td><\/tr>
TP 429<\/td><= 0 .12<\/td><= 0 .75<\/td><= 1 .00<\/td>0 .04<\/td>0 .03<\/td><= 0 .50<\/td>14 .00 ~16 .00<\/td>–<\/td>–<\/td><\/tr>
TP 430<\/td><= 0 .12<\/td><= 0 .75<\/td><= 1 .00<\/td>0 .04<\/td>0 .03<\/td><= 0 .50<\/td>16 .00 ~18 .00<\/td>–<\/td>–<\/td><\/tr>
TP 443<\/td><= 0 .20<\/td><wpml_root\/><\/td><= 1 .00<\/td>0 .04<\/td>0 .03<\/td><= 0 .50<\/td>18 .00 ~23 .10<\/td>–<\/td>Cu: 0 .90 ~1 .25<\/td><\/tr>
TP 446<\/td><= 0 .20<\/td><= 0 .75<\/td><= 1 .50<\/td>0 .04<\/td>0 .03<\/td><= 0 .50<\/td>23 .00 ~30 .00<\/td>–<\/td>N: 0 .10 ~0 .25<\/td><\/tr>
TP 329<\/td><= 0 .089<\/td><= 0 .75<\/td><= 1 .00<\/td>0 .04<\/td>0 .03<\/td>2 .50 ~5 .00<\/td>23 .00 ~28 .00<\/td>1 .00 <= 2 .0<\/td>–<\/td><\/tr>
TP 409<\/td><= 0 .089<\/td><= 1 .00<\/td><= 1 .00<\/td>0 ,045<\/td>0 .05<\/td><= 0 .50<\/td>10 .50 ~11 .75<\/td>–<\/td>Ti: 6 xC% ~ 0 .75<\/td><\/tr>
TP XM-8<\/td><= 0 .07<\/td><= 1 .00<\/td><= 1 .00<\/td>0 .04<\/td>0 .03<\/td><= 0 .50<\/td>17 .00 ~19 .00<\/td>–<\/td>Ai: <= 0 .15<\/td><\/tr>
<\/td><\/td><\/td><\/td><\/td><\/td><\/td><\/td>Ti: 12 xC% ~1 .10<\/td><\/td><\/tr>
TP 316 Ti<\/td><= 0 .08<\/td><= 0 .75<\/td><= 2 .00<\/td>0 .04<\/td>0 .03<\/td>11 .00 ~14 .00<\/td>16 .00 ~18 .00<\/td>2 .00 ~3 .00<\/td>Ti: 5 xC% ~0 .75<\/td><\/tr><\/tbody><\/table><\/figure>\n","protected":false},"excerpt":{"rendered":"

Composition chimique de l’acier inoxydable Nuance Composition chimique Autres C Si. Mn P ( max) S ( max) Ni Cr Mo TP 304 <= 0 .08 <= 0 .75 <= 2 .00 0 .04 0 .03 8 .00 ~11 .00 18 .00 ~20 .00 – – TP 304 H 0 .04 ~ 0 .10 <= […]<\/p>\n","protected":false},"author":3,"featured_media":0,"parent":26394,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"_relevanssi_hide_post":"","_relevanssi_hide_content":"","_relevanssi_pin_for_all":"","_relevanssi_pin_keywords":"","_relevanssi_unpin_keywords":"","_relevanssi_related_keywords":"","_relevanssi_related_include_ids":"","_relevanssi_related_exclude_ids":"","_relevanssi_related_no_append":"","_relevanssi_related_not_related":"","_relevanssi_related_posts":"","_relevanssi_noindex_reason":"","iawp_total_views":7,"footnotes":""},"class_list":["post-26462","page","type-page","status-publish","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.unifiedalloys.com\/fr\/wp-json\/wp\/v2\/pages\/26462","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.unifiedalloys.com\/fr\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.unifiedalloys.com\/fr\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.unifiedalloys.com\/fr\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/www.unifiedalloys.com\/fr\/wp-json\/wp\/v2\/comments?post=26462"}],"version-history":[{"count":0,"href":"https:\/\/www.unifiedalloys.com\/fr\/wp-json\/wp\/v2\/pages\/26462\/revisions"}],"up":[{"embeddable":true,"href":"https:\/\/www.unifiedalloys.com\/fr\/wp-json\/wp\/v2\/pages\/26394"}],"wp:attachment":[{"href":"https:\/\/www.unifiedalloys.com\/fr\/wp-json\/wp\/v2\/media?parent=26462"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}