{"id":4056,"date":"2026-03-04T09:09:32","date_gmt":"2026-03-04T09:09:32","guid":{"rendered":"https:\/\/hysfsubsea.com\/knowledge-base\/how-to-choose-between-titanium-and-stainless-steel-housings\/"},"modified":"2026-03-04T09:09:32","modified_gmt":"2026-03-04T09:09:32","slug":"how-to-choose-between-titanium-and-stainless-steel-housings","status":"publish","type":"knowledge-base","link":"https:\/\/hysfsubsea.com\/ja\/knowledge-base\/how-to-choose-between-titanium-and-stainless-steel-housings\/","title":{"rendered":"How to choose between titanium and stainless steel housings?"},"content":{"rendered":"<h2>\u30af\u30a4\u30c3\u30af\u30a2\u30f3\u30b5\u30fc<\/h2>\n<p>Titanium: lighter weight, superior corrosion resistance, higher strength-to-weight ratio, more expensive. Stainless steel (316L): cost-effective, good corrosion resistance, heavier. Choose titanium for deep sea, weight-critical, or highly corrosive environments.<\/p>\n<h2>\u30af\u30a4\u30c3\u30af\u30a2\u30f3\u30b5\u30fc<\/h2>\n<p><strong>\u30c1\u30bf\u30f3\uff1a<\/strong> lighter weight, superior corrosion resistance, higher strength-to-weight ratio, more expensive. <strong>Stainless steel (316L):<\/strong> cost-effective, good corrosion resistance, heavier. Choose titanium for deep sea, weight-critical, or highly corrosive environments.<\/p>\n<h2>Material Comparison<\/h2>\n<table border=\"1\" cellpadding=\"8\">\n<tr>\n<th>Property<\/th>\n<th>Titanium (Grade 5)<\/th>\n<th>Stainless Steel (316L)<\/th>\n<\/tr>\n<tr>\n<td>Density<\/td>\n<td>4.43 g\/cm\u00b3<\/td>\n<td>8.0 g\/cm\u00b3<\/td>\n<\/tr>\n<tr>\n<td>Tensile Strength<\/td>\n<td>950 MPa<\/td>\n<td>570 MPa<\/td>\n<\/tr>\n<tr>\n<td>Corrosion Resistance<\/td>\n<td>\u7d20\u6674\u3089\u3057\u3044<\/td>\n<td>\u975e\u5e38\u306b\u826f\u3044<\/td>\n<\/tr>\n<tr>\n<td>Max Depth<\/td>\n<td>11000m+<\/td>\n<td>6000m<\/td>\n<\/tr>\n<tr>\n<td>\u30b3\u30b9\u30c8<\/td>\n<td>2-3x higher<\/td>\n<td>\u30b9\u30bf\u30f3\u30c0\u30fc\u30c9<\/td>\n<\/tr>\n<\/table>\n<h2>When to Choose Titanium<\/h2>\n<ul>\n<li><strong>Deep sea applications:<\/strong> &gt;3000m depth<\/li>\n<li><strong>Weight critical:<\/strong> AUVs, portable equipment<\/li>\n<li><strong>Highly corrosive:<\/strong> Hot vents, chemical exposure<\/li>\n<li><strong>Long-term deployment:<\/strong> Years underwater<\/li>\n<li><strong>High pressure:<\/strong> Hadal zone applications<\/li>\n<\/ul>\n<h2>When to Choose Stainless Steel<\/h2>\n<ul>\n<li><strong>Shallow water:<\/strong> &lt;1000m depth<\/li>\n<li><strong>Cost sensitive:<\/strong> Budget-conscious projects<\/li>\n<li><strong>Short-term use:<\/strong> Temporary deployments<\/li>\n<li><strong>Standard applications:<\/strong> ROV, sensors, general use<\/li>\n<li><strong>Freshwater:<\/strong> Lakes, rivers (less corrosive)<\/li>\n<\/ul>\n<h2>Weight Savings Example<\/h2>\n<p>For a typical connector housing:<\/p>\n<ul>\n<li><strong>Stainless steel:<\/strong> 500g<\/li>\n<li><strong>\u30c1\u30bf\u30f3\uff1a<\/strong> 275g (45% weight reduction)<\/li>\n<\/ul>\n<h2>\u304a\u554f\u3044\u5408\u308f\u305b<\/h2>\n<p><strong>Material selection:<\/strong> info@hysfsubsea.com<\/p>","protected":false},"featured_media":0,"parent":0,"menu_order":0,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false},"faq_category":[78],"class_list":["post-4056","knowledge-base","type-knowledge-base","status-publish","hentry","faq_category-technical-specifications"],"acf":[],"_links":{"self":[{"href":"https:\/\/hysfsubsea.com\/ja\/wp-json\/wp\/v2\/knowledge-base\/4056","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/hysfsubsea.com\/ja\/wp-json\/wp\/v2\/knowledge-base"}],"about":[{"href":"https:\/\/hysfsubsea.com\/ja\/wp-json\/wp\/v2\/types\/knowledge-base"}],"replies":[{"embeddable":true,"href":"https:\/\/hysfsubsea.com\/ja\/wp-json\/wp\/v2\/comments?post=4056"}],"version-history":[{"count":0,"href":"https:\/\/hysfsubsea.com\/ja\/wp-json\/wp\/v2\/knowledge-base\/4056\/revisions"}],"wp:attachment":[{"href":"https:\/\/hysfsubsea.com\/ja\/wp-json\/wp\/v2\/media?parent=4056"}],"wp:term":[{"taxonomy":"faq_category","embeddable":true,"href":"https:\/\/hysfsubsea.com\/ja\/wp-json\/wp\/v2\/faq_category?post=4056"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}