{"id":59,"date":"2026-09-04T07:11:39","date_gmt":"2026-09-04T07:11:39","guid":{"rendered":"https:\/\/deepl.haowm123.com\/?p=59"},"modified":"2026-09-04T07:11:39","modified_gmt":"2026-09-04T07:11:39","slug":"titanium-alloy-vs-pure-titanium-a-practical-guide-for-outdoor-gear-buyers-and-b2b-sourcing-teams","status":"publish","type":"post","link":"https:\/\/deepl.haowm123.com\/ja\/titanium-alloy-vs-pure-titanium-a-practical-guide-for-outdoor-gear-buyers-and-b2b-sourcing-teams\/","title":{"rendered":"Titanium Alloy vs Pure Titanium: A Practical Guide for Outdoor Gear Buyers and B2B Sourcing Teams"},"content":{"rendered":"

Pure titanium (CP grades 1\u20134) and titanium alloys like Ti-6Al-4V (Grade 5) or Ti-3Al-2.5V (Grade 9) serve fundamentally different applications. CP titanium wins on corrosion resistance, biocompatibility, and food safety \u2014 making it the right choice for cookware, cups, and medical devices. Grade 5 alloy delivers 2.5\u00d7 more tensile strength and suits structural, aerospace, and high-load components. Grade 9 sits in between and dominates the outdoor tubing market. Choosing the wrong grade costs you money, performance, or regulatory compliance \u2014 this guide shows you which is which.<\/p>\n\n\n\n

At a Glance: Which Titanium Grade Do You Actually Need?<\/h2>\n\n\n\n
\"\u30c1\u30bf\u30f3\u30b0\u30ec\u30fc\u30c9\u5225\u5f15\u5f35\u5f37\u5ea6\u6bd4\u8f03\u30c1\u30e3\u30fc\u30c8<\/figure>\n\n\n\n

The single most important thing to know: \u201ctitanium\u201d is not one material.<\/strong> ASTM recognizes 38+ titanium grades. For outdoor gear and industrial B2B sourcing, three matter most:<\/p>\n\n\n\n

Property<\/th>CP Titanium (Grade 1\u20132)<\/th>Grade 9 (Ti-3Al-2.5V)<\/th>Grade 5 (Ti-6Al-4V)<\/th><\/tr><\/thead>
Composition<\/td>\u226599% Ti<\/td>Ti + 3% Al + 2.5% V<\/td>Ti + 6% Al + 4% V<\/td><\/tr>
Tensile Strength<\/td>240\u2013550 MPa<\/td>~620 MPa<\/td>~895 MPa<\/td><\/tr>
Density<\/td>~4.51 g\/cm\u00b3<\/td>~4.48 g\/cm\u00b3<\/td>4.43 g\/cm\u00b3<\/td><\/tr>
Corrosion Resistance<\/td>Excellent<\/td>Very Good<\/td>Good<\/td><\/tr>
Biocompatibility<\/td>Highest<\/td>High<\/td>Limited (food contact: avoid)<\/td><\/tr>
Formability<\/td>High<\/td>Medium<\/td>Low<\/td><\/tr>
Weldability<\/td>Easy<\/td>Easy<\/td>Requires shielded atmosphere<\/td><\/tr>
Relative Cost<\/td>1\u00d7<\/td>1.3\u20131.5\u00d7<\/td>2\u20133\u00d7<\/td><\/tr>
Typical Use<\/td>Cookware, cups, implants<\/td>Bike frames, tubing, outdoor tools<\/td>Aerospace, structural parts<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

Sources: ASTM B265, urbanedc.com, dynamicmetalsltd.com, Smith Metal datasheet<\/em><\/p>\n\n\n\n

If you\u2019re sourcing for cookware or outdoor drinkware: Grade 1 or Grade 2 CP titanium<\/strong>.
If you\u2019re sourcing for bike frames, poles, or thin-walled outdoor hardware: Grade 9<\/strong>.
If you\u2019re sourcing for structural brackets, fasteners, or high-stress components: Grade 5<\/strong>.<\/p>\n\n\n\n

What Is Commercially Pure (CP) Titanium?<\/h2>\n\n\n\n

CP titanium is \u226599% pure titanium, differentiated by trace oxygen and iron content across Grades 1\u20134.<\/strong> Grade 1 has the lowest impurity level (\u22640.18% O\u2082) and is the softest and most ductile. Grade 4 has higher impurity tolerance and correspondingly higher strength \u2014 up to 550 MPa tensile \u2014 at the cost of some formability.<\/p>\n\n\n\n

In practice, Grade 2 is the industrial workhorse<\/strong>: 345 MPa tensile strength, 275 MPa yield strength, 20% elongation minimum. It holds its shape under stamping and deep-drawing, which is why it dominates cookware and sheet-metal applications.<\/p>\n\n\n\n

The oxide layer is the key advantage.<\/strong> When CP titanium contacts oxygen, TiO\u2082 forms on the surface within milliseconds. This self-healing passive film is what makes CP titanium resistant to saltwater, most acids, and chlorinated environments \u2014 Grade 2\u2019s corrosion rate in wet chlorine is just 0.001 mm\/year (NeoNickel technical data). No coating, no treatment required.<\/p>\n\n\n\n

For food-contact and body-contact applications, Grade 1 is the standard precisely because no alloying elements are present<\/strong>. It\u2019s the same material classification used in medical-grade dental implants and surgical devices. If a cookware brand is using Grade 1 and says so, that\u2019s a meaningful claim.<\/p>\n\n\n\n

What Is Titanium Alloy \u2014 and Why Does It Exist?<\/h2>\n\n\n\n

Titanium alloys add elements to boost specific performance parameters that CP titanium can\u2019t achieve.<\/strong> The most important is Ti-6Al-4V (Grade 5): 6% aluminum raises the alpha-phase transition temperature and increases strength; 4% vanadium stabilizes the beta phase and improves heat treatability.<\/p>\n\n\n\n

The result: Grade 5 achieves 895 MPa tensile strength \u2014 roughly 2.5\u00d7 Grade 2<\/strong> \u2014 at nearly the same density (4.43 g\/cm\u00b3 vs 4.51 g\/cm\u00b3 for CP). That strength-to-weight ratio is why Grade 5 accounts for approximately 50% of all titanium consumed globally and dominates aerospace, defense, and high-performance automotive sectors (Dynamic Metals Ltd).<\/p>\n\n\n\n

Maximum service temperature also shifts significantly: CP titanium is rated to ~200\u00b0C in normal atmosphere; Grade 5 performs to ~400\u00b0C<\/strong>, which matters for engine components and exhaust systems.<\/p>\n\n\n\n

The trade-off is fabrication complexity.<\/strong> Grade 5 cannot be cold-formed like CP titanium without cracking risk. Welding requires shielded atmosphere to prevent embrittlement. Machining cycle times are longer, tool wear is higher, and all of this flows downstream into higher part cost \u2014 typically 2\u20133\u00d7 more than equivalent CP titanium products.<\/p>\n\n\n\n

The Outdoor Middle Ground: Grade 9 (Ti-3Al-2.5V)<\/h2>\n\n\n\n
\"Grade<\/figure>\n\n\n\n

Grade 9 is the grade most outdoor manufacturers never tell you they\u2019re using \u2014 but probably should.<\/strong> It\u2019s a near-alpha alloy with 3% aluminum and 2.5% vanadium, sitting squarely between CP and Grade 5: 620 MPa tensile strength, cold-formable, weldable without a vacuum chamber, and 20\u201350% stronger than Grade 2.<\/p>\n\n\n\n

The cycling industry figured this out years ago. Enigma Bicycle Works calls Grade 9 \u201cthe workhorse of titanium bike building\u201d \u2014 most high-end titanium frame tubing is Grade 9, not Grade 5, because it balances wall-thickness reduction against cold-working constraints. Grade 5 would be overkill structurally and a nightmare to form into thin-walled tubes.<\/p>\n\n\n\n

For outdoor gear manufacturers<\/strong>, Grade 9 makes sense for:<\/p>\n\n\n\n

    \n
  • Tent poles and trekking poles (thin-walled, weight-critical, impact-loaded)<\/li>\n\n\n\n
  • Cutlery handles and tool frames (higher wear resistance than CP)<\/li>\n\n\n\n
  • Water bottle bodies where wall reduction is a design priority<\/li>\n<\/ul>\n\n\n\n

    The vanadium content in Grade 9 is lower than Grade 5 (2.5% vs 4%), and while it\u2019s not the preferred food-contact material, short-term contact in well-finished products carries low practical risk. That said, for anything with prolonged food contact \u2014 pots, cups, bowls \u2014 CP titanium remains the correct choice<\/strong>.<\/p>\n\n\n\n

    The Food Safety Question No One Answers Directly<\/h2>\n\n\n\n

    Buyers ask this constantly, and most articles sidestep it: Is Ti-6Al-4V (Grade 5) safe for cookware?<\/strong><\/p>\n\n\n\n

    The honest answer: Grade 5 is not recommended for direct, prolonged food contact.<\/p>\n\n\n\n

    Vanadium is a transition metal with cytotoxicity at elevated concentrations. Aluminum, while present in trace amounts in alloy, is not a food-safe additive. The passive oxide layer on Grade 5 is protective under normal conditions, but elevated pH, acidic foods (tomato sauce, vinegar), high heat, and surface damage can compromise it.<\/p>\n\n\n\n

    This is why specialist cookware brands like Valtcan explicitly use Grade 1 and state it publicly.<\/strong> It\u2019s not just marketing differentiation \u2014 it\u2019s sound materials practice. The implant industry, which faces similar contact duration and body-chemistry considerations, also uses CP grades (Grade 1 and Grade 23 ELI) rather than Ti-6Al-4V for direct tissue contact.<\/p>\n\n\n\n

    For a B2B buyer sourcing cookware or drinking vessels: require the supplier to state the grade in writing and back it with a mill certificate.<\/strong> If the answer is \u201ctitanium alloy\u201d without grade specification, that\u2019s a red flag worth addressing before production starts.<\/p>\n\n\n\n

    Corrosion Resistance: Where CP Titanium Has No Rival<\/h2>\n\n\n\n

    CP titanium\u2019s corrosion performance is exceptional \u2014 and Grade 5\u2019s is merely good.<\/strong> In marine environments, chemical processing, and outdoor exposure to salt, moisture, and UV, CP titanium\u2019s homogeneous oxide layer outperforms alloys because there are no second-phase particles or compositional gradients to create galvanic micro-cells.<\/p>\n\n\n\n

    Grade 5 is still far more corrosion-resistant than stainless steel in most environments. But when you need demonstrated resistance across a wide pH range, chemical media, or long outdoor service life \u2014 Grade 2 is the technically superior choice.<\/p>\n\n\n\n

    In my review of performance data from NeoNickel and Dynamic Metals, the most consistent differentiator is this: CP titanium\u2019s oxide layer is self-healing across the widest range of conditions<\/strong>. Grade 5\u2019s oxide layer is protective too, but the alloying elements can introduce localized vulnerability in specific aggressive media \u2014 something a buyer sourcing for outdoor or marine applications should factor in.<\/p>\n\n\n\n

    Weight: The Number Everyone Gets Wrong<\/h2>\n\n\n\n

    \u307b\u3068\u3093\u3069\u306e\u88fd\u54c1\u306b\u304a\u3044\u3066\u3001CP\u30c1\u30bf\u30f3\u3068\u30b0\u30ec\u30fc\u30c95\u306e\u91cd\u91cf\u5dee\u306f\u7121\u8996\u3067\u304d\u308b\u30ec\u30d9\u30eb\u3067\u3059\u3002.<\/strong><\/p>\n\n\n\n

    \u30b0\u30ec\u30fc\u30c92\u306e\u5bc6\u5ea6\uff1a4.51 g\/cm\u00b3
    \u30b0\u30ec\u30fc\u30c95\u306e\u5bc6\u5ea6\uff1a4.43 g\/cm\u00b3<\/p>\n\n\n\n

    \u305d\u306e\u5dee\u306f\u308f\u305a\u304b1.8%\u3067\u3059\u3002\u91cd\u91cf80\u30b0\u30e9\u30e0\u306e300ml\u30ad\u30e3\u30f3\u30d7\u7528\u30ab\u30c3\u30d7\u306e\u5834\u5408\u3001\u5dee\u306f1.5\u30b0\u30e9\u30e0\u7a0b\u5ea6\u3067\u3042\u308a\u3001\u88fd\u9020\u516c\u5dee\u306e\u3070\u3089\u3064\u304d\u306e\u7bc4\u56f2\u5185\u306b\u5341\u5206\u53ce\u307e\u308a\u307e\u3059\u3002.<\/p>\n\n\n\n

    \u91cd\u91cf\u306b\u95a2\u3059\u308b\u672c\u8cea\u7684\u306a\u30dd\u30a4\u30f3\u30c8\u306f \u5f37\u5ea6\u306b\u3088\u3063\u3066\u53ef\u80fd\u306b\u306a\u308b\u8089\u539a<\/strong>. \u306b\u3042\u308a\u307e\u3059\u3002\u30b0\u30ec\u30fc\u30c95\u306f2.5\u500d\u306e\u5f37\u5ea6\u3092\u6301\u3064\u305f\u3081\u3001\u8a2d\u8a08\u8005\u306f\u69cb\u9020\u7684\u306b\u540c\u7b49\u306a\u90e8\u54c1\u306b\u5bfe\u3057\u3066\u3088\u308a\u8584\u3044\u8089\u539a\u3092\u6307\u5b9a\u3067\u304d\u307e\u3059\u3002\u305f\u3060\u3057\u3001\u3053\u308c\u306f\u8377\u91cd\u3092\u53d7\u3051\u308b\u90e8\u54c1\u306b\u306e\u307f\u95a2\u4fc2\u3059\u308b\u8a71\u3067\u3042\u308a\u3001\u8584\u8089\u306e\u8abf\u7406\u5668\u5177\u3084\u30ab\u30c3\u30d7\u3067\u306f\u3001\u5236\u7d04\u3068\u306a\u308b\u306e\u306f\u69cb\u9020\u8377\u91cd\u3067\u306f\u306a\u304f\u53d6\u308a\u6271\u3044\u6642\u306e\u525b\u6027\u3067\u3042\u308b\u305f\u3081\u3001\u8a72\u5f53\u3057\u307e\u305b\u3093\u3002.<\/p>\n\n\n\n

    \u30a2\u30a6\u30c8\u30c9\u30a2\u7528\u8abf\u7406\u5668\u5177\u3084\u98f2\u6599\u5bb9\u5668\u3067\u306f\u3001\u6a19\u6e96\u677f\u539a\u306eCP\u30c1\u30bf\u30f3\u304c\u5b9f\u7528\u4e0a\u540c\u7b49\u304b\u305d\u308c\u4ee5\u4e0a\u306b\u8efd\u91cf\u3067\u3059\u3002<\/strong> \u8377\u91cd\u30ea\u30b9\u30af\u306a\u3057\u306b\u3088\u308a\u8584\u304f\u52a0\u5de5\u3067\u304d\u3001\u5bc6\u5ea6\u306b\u3088\u308b\u30da\u30ca\u30eb\u30c6\u30a3\u3082\u3054\u304f\u308f\u305a\u304b\u3067\u3042\u308b\u305f\u3081\u3067\u3059\u3002.<\/p>\n\n\n\n

    B2B\u8abf\u9054\uff1a\u30c1\u30bf\u30f3\u30b5\u30d7\u30e9\u30a4\u30e4\u30fc\u306b\u78ba\u8a8d\u3059\u3079\u304d3\u3064\u306e\u8cea\u554f<\/h2>\n\n\n\n

    \u5e02\u5834\u306b\u51fa\u56de\u3063\u3066\u3044\u308b\u30c1\u30bf\u30f3\u88fd\u54c1\u306e\u307b\u3068\u3093\u3069\u306f\u3001\u30b0\u30ec\u30fc\u30c9\u3092\u660e\u793a\u305b\u305a\u306b\u300c\u30c1\u30bf\u30f3\u300d\u3068\u8868\u793a\u3055\u308c\u3066\u3044\u307e\u3059\u3002B2B\u30d0\u30a4\u30e4\u30fc\u306b\u3068\u3063\u3066\u3001\u30b0\u30ec\u30fc\u30c9\u306e\u66d6\u6627\u3055\u306f\u3001\u30b3\u30f3\u30d7\u30e9\u30a4\u30a2\u30f3\u30b9\u9055\u53cd\u3001\u30d0\u30a4\u30e4\u30fc\u76e3\u67fb\u3067\u306e\u4e0d\u5408\u683c\u3001\u88fd\u54c1\u8fd4\u54c1\u3068\u3044\u3046\u30ea\u30b9\u30af\u306b\u76f4\u7d50\u3057\u307e\u3059\u3002.<\/p>\n\n\n\n

    \u6ce8\u6587\u524d\u306b\u3001\u4ee5\u4e0b\u306e3\u3064\u306e\u8cea\u554f\u3092\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/strong><\/p>\n\n\n\n

    \u300c\u3053\u306e\u6750\u6599\u306f\u3069\u306eASTM\u30b0\u30ec\u30fc\u30c9\u3067\u3059\u304b\uff1f\u30df\u30eb\u8a3c\u660e\u66f8\u3092\u63d0\u51fa\u3057\u3066\u3082\u3089\u3048\u307e\u3059\u304b\uff1f\u300d\u201c<\/strong>
    \u6b63\u5f53\u306a\u30e1\u30fc\u30ab\u30fc\u3067\u3042\u308c\u3070\u3001\u30b0\u30ec\u30fc\u30c91\u30012\u30014\u30015\u30019\u3001\u307e\u305f\u306f\u305d\u306e\u4ed6\u306e\u7279\u5b9a\u30b0\u30ec\u30fc\u30c9\u3092\u56de\u7b54\u3057\u3001\u6587\u66f8\u3067\u88cf\u4ed8\u3051\u307e\u3059\u3002\u300c\u9ad8\u7d1a\u30c1\u30bf\u30f3\u300d\u3084\u300c\u7d14\u30c1\u30bf\u30f3\u5408\u91d1\u300d\u3068\u3044\u3063\u305f\u56de\u7b54\u306f\u7b54\u3048\u306b\u306a\u3063\u3066\u3044\u307e\u305b\u3093\u3002\u305d\u308c\u306f\u3054\u307e\u304b\u3057\u3067\u3059\u3002.<\/p>\n\n\n\n

    \u300c\u9178\u7d20\u542b\u6709\u91cf\u306e\u4ed5\u69d8\u306f\u3069\u3046\u306a\u3063\u3066\u3044\u307e\u3059\u304b\uff1f\u300d\u201c<\/strong>
    \u3053\u308c\u306fCP\u30b0\u30ec\u30fc\u30c9\u3067\u6700\u3082\u91cd\u8981\u3067\u3059\u3002\u30b0\u30ec\u30fc\u30c91\u306fO\u2082 \u22640.18%\u3001\u30b0\u30ec\u30fc\u30c92\u306f\u22640.25%\u3067\u3059\u3002\u9178\u7d20\u542b\u6709\u91cf\u304c\u9ad8\u3044\u3068\u5f37\u5ea6\u306f\u4e0a\u304c\u308a\u307e\u3059\u304c\u3001\u5ef6\u6027\u3068\u8010\u98df\u6027\u306f\u4f4e\u4e0b\u3057\u307e\u3059\u3002\u9178\u7d20\u4ed5\u69d8\u3092\u628a\u63e1\u3057\u3066\u3044\u308b\u30b5\u30d7\u30e9\u30a4\u30e4\u30fc\u306f\u3001\u5b9f\u969b\u306e\u5de5\u7a0b\u7ba1\u7406\u306b\u57fa\u3065\u3044\u3066\u5bfe\u5fdc\u3057\u3066\u3044\u307e\u3059\u3002.<\/p>\n\n\n\n

    \u300c\u98df\u54c1\u63a5\u89e6\u9069\u5408\u6027\u306e\u8a66\u9a13\u306f\u5b9f\u65bd\u3055\u308c\u3066\u3044\u307e\u3059\u304b\uff1f\u300d\u201c<\/strong>
    \u8abf\u7406\u5668\u5177\u3001\u30ab\u30c3\u30d7\u3001\u304a\u3088\u3073\u98df\u54c1\u3084\u98f2\u6599\u306b\u63a5\u89e6\u3059\u308b\u3042\u3089\u3086\u308b\u88fd\u54c1\u306b\u3064\u3044\u3066\u306f\u3001\u6eb6\u51fa\u8a66\u9a13\u307e\u305f\u306f\u98df\u54c1\u63a5\u89e6\u9069\u5408\u6027\u306e\u6587\u66f8\u3092\u6c42\u3081\u3066\u304f\u3060\u3055\u3044\u3002CP\u30b0\u30ec\u30fc\u30c91\u307e\u305f\u306f2\u306f\u5bb9\u6613\u306b\u5408\u683c\u3057\u307e\u3059\u3002\u30b0\u30ec\u30fc\u30c95\u306f\u3001\u30b5\u30d7\u30e9\u30a4\u30e4\u30fc\u304c\u8abf\u7406\u5668\u5177\u3067\u30b3\u30b9\u30c8\u524a\u6e1b\u306e\u305f\u3081\u306b\u4f7f\u7528\u3057\u3066\u3044\u308b\u5834\u5408\u3001\u30ea\u30b9\u30af\u8981\u56e0\u3068\u306a\u308a\u307e\u3059\u3002.<\/p>\n\n\n\n

    \u5b9f\u7528\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u30de\u30c8\u30ea\u30c3\u30af\u30b9<\/h2>\n\n\n\n
    \u7528\u9014<\/th>\u63a8\u5968\u30b0\u30ec\u30fc\u30c9<\/th>\u7406\u7531<\/th><\/tr><\/thead>
    \u30ad\u30e3\u30f3\u30d7\u7528\u8abf\u7406\u5668\u5177\uff08\u934b\u3001\u30d5\u30e9\u30a4\u30d1\u30f3\uff09<\/td>\u30b0\u30ec\u30fc\u30c91 CP<\/td>\u98df\u54c1\u306b\u5b89\u5168\u3001\u6210\u5f62\u6027\u306b\u512a\u308c\u3001\u6eb6\u51fa\u30ea\u30b9\u30af\u306a\u3057<\/td><\/tr>
    \u30c1\u30bf\u30f3\u30ab\u30c3\u30d7\uff0f\u30de\u30b0<\/td>\u30b0\u30ec\u30fc\u30c91\u307e\u305f\u306f2 CP<\/td>\u751f\u4f53\u9069\u5408\u6027\u304c\u6700\u3082\u9ad8\u304f\u3001\u6df1\u7d5e\u308a\u52a0\u5de5\u304c\u5bb9\u6613<\/td><\/tr>
    \u30ad\u30e3\u30f3\u30d7\u7528\u30ab\u30c8\u30e9\u30ea\u30fc<\/td>\u30b0\u30ec\u30fc\u30c92 CP<\/td>\u5ef6\u6027\u3068\u786c\u5ea6\u306e\u30d0\u30e9\u30f3\u30b9\u304c\u826f\u597d<\/td><\/tr>
    \u30c8\u30ec\u30c3\u30ad\u30f3\u30b0\u30dd\u30fc\u30eb\uff0f\u30c6\u30f3\u30c8\u30dd\u30fc\u30eb<\/td>Grade 9<\/td>CP\u3088\u308a\u9ad8\u5f37\u5ea6\u3001\u51b7\u9593\u6210\u5f62\u53ef\u80fd\u306a\u30c1\u30e5\u30fc\u30d6<\/td><\/tr>
    \u81ea\u8ee2\u8eca\u30d5\u30ec\u30fc\u30e0<\/td>Grade 9<\/td>\u30c1\u30e5\u30fc\u30d6\u6210\u5f62\u306e\u696d\u754c\u6a19\u6e96<\/td><\/tr>
    \u30a2\u30a6\u30c8\u30c9\u30a2\u7528\u30d5\u30a1\u30b9\u30ca\u30fc\uff0f\u91d1\u5177<\/td>Grade 5<\/td>\u9ad8\u3044\u75b2\u52b4\u5f37\u5ea6\u304c\u5fc5\u8981<\/td><\/tr>
    \u822a\u7a7a\u5b87\u5b99\u7528\u30d6\u30e9\u30b1\u30c3\u30c8<\/td>Grade 5<\/td>\u6700\u9ad8\u306e\u5f37\u5ea6\u5bfe\u91cd\u91cf\u6bd4\u304c\u8981\u6c42\u3055\u308c\u308b<\/td><\/tr>
    \u533b\u7642\u30fb\u6b6f\u79d1\u7528\u30a4\u30f3\u30d7\u30e9\u30f3\u30c8<\/td>\u30b0\u30ec\u30fc\u30c91\u307e\u305f\u306f\u30b0\u30ec\u30fc\u30c923 ELI<\/td>\u6700\u5927\u9650\u306e\u751f\u4f53\u9069\u5408\u6027<\/td><\/tr>
    \u8239\u8236\u7528\u71b1\u4ea4\u63db\u5668<\/td>\u30b0\u30ec\u30fc\u30c92 CP<\/td>\u5869\u6c34\u4e2d\u3067\u306e\u6700\u9ad8\u306e\u8010\u98df\u6027<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

    \u3088\u304f\u3042\u308b\u8cea\u554f<\/h2>\n\n\n\n

    \u30c1\u30bf\u30f3\u5408\u91d1\u306f\u7d14\u30c1\u30bf\u30f3\u3088\u308a\u5f37\u3044\u3067\u3059\u304b\uff1f<\/strong>
    \u306f\u3044\u3001\u5927\u5e45\u306b\u5f37\u3044\u3067\u3059\u3002Ti-6Al-4V\uff08\u30b0\u30ec\u30fc\u30c95\uff09\u306f\u7d04895 MPa\u306e\u5f15\u5f35\u5f37\u5ea6\u3092\u9054\u6210\u3057\u307e\u3059\u304c\u3001\u30b0\u30ec\u30fc\u30c92 CP\u30c1\u30bf\u30f3\u306f\u7d04345 MPa\u3067\u3042\u308a\u3001\u304a\u3088\u305d2.5\u500d\u306e\u5f37\u5ea6\u3067\u3059\u3002\u30b0\u30ec\u30fc\u30c99\uff08Ti-3Al-2.5V\uff09\u306f\u305d\u306e\u4e2d\u9593\u306e\u7d04620 MPa\u3067\u3059\u3002.<\/p>\n\n\n\n

    \u30a2\u30a6\u30c8\u30c9\u30a2\u7528\u8abf\u7406\u5668\u5177\u306b\u6700\u9069\u306a\u30c1\u30bf\u30f3\u306f\u3069\u308c\u3067\u3059\u304b\uff1f<\/strong>
    \u5546\u696d\u7528\u7d14\u30c1\u30bf\u30f3\u3001\u5177\u4f53\u7684\u306b\u306f\u30b0\u30ec\u30fc\u30c91\u307e\u305f\u306f\u30b0\u30ec\u30fc\u30c92\u3067\u3059\u3002\u3053\u308c\u3089\u306e\u30b0\u30ec\u30fc\u30c9\u306f\u6eb6\u51fa\u3059\u308b\u5408\u91d1\u5143\u7d20\u3092\u542b\u307e\u305a\u3001\u8584\u8089\u5f62\u72b6\u3078\u306e\u6210\u5f62\u304c\u5bb9\u6613\u3067\u3001\u98df\u54c1\u306e\u9178\u3084\u5c4b\u5916\u74b0\u5883\u306b\u3088\u308b\u8150\u98df\u306b\u8010\u6027\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n\n\n\n

    Ti-6Al-4V\uff08\u30b0\u30ec\u30fc\u30c95\uff09\u306f\u98df\u54c1\u63a5\u89e6\u7528\u9014\u306b\u5b89\u5168\u3067\u3059\u304b\uff1f<\/strong>
    \u98df\u54c1\u3068\u306e\u9577\u6642\u9593\u306e\u63a5\u89e6\u306b\u306f\u63a8\u5968\u3055\u308c\u307e\u305b\u3093\u3002\u30d0\u30ca\u30b8\u30a6\u30e0\u3068\u30a2\u30eb\u30df\u30cb\u30a6\u30e0\u306e\u542b\u6709\u306b\u3088\u308a\u3001\u9178\u6027\u307e\u305f\u306f\u9ad8\u6e29\u6761\u4ef6\u4e0b\u3067\u6eb6\u51fa\u30ea\u30b9\u30af\u304c\u751f\u3058\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u8abf\u7406\u5668\u5177\u3084\u98f2\u6599\u5bb9\u5668\u306b\u306fCP\u30b0\u30ec\u30fc\u30c9\u304c\u6b63\u3057\u3044\u9078\u629e\u3067\u3059\u3002.<\/p>\n\n\n\n

    \u81ea\u8ee2\u8eca\u30d5\u30ec\u30fc\u30e0\u306b\u306f\u3069\u306e\u30c1\u30bf\u30f3\u30b0\u30ec\u30fc\u30c9\u304c\u4f7f\u308f\u308c\u3066\u3044\u307e\u3059\u304b\uff1f<\/strong>
    \u307b\u3068\u3093\u3069\u306e\u9ad8\u7d1a\u30c1\u30bf\u30f3\u88fd\u81ea\u8ee2\u8eca\u30d5\u30ec\u30fc\u30e0\u306b\u306f\u3001\u30b0\u30ec\u30fc\u30c95\u3067\u306f\u306a\u304f\u30b0\u30ec\u30fc\u30c99\uff08Ti-3Al-2.5V\uff09\u304c\u4f7f\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u30b0\u30ec\u30fc\u30c99\u306fCP\u30c1\u30bf\u30f3\u3088\u308a20\uff5e50%\u9ad8\u3044\u5f37\u5ea6\u3092\u6301\u3061\u306a\u304c\u3089\u3001\u51b7\u9593\u6210\u5f62\u304c\u53ef\u80fd\u3067\u3001\u8584\u8089\u30c1\u30e5\u30fc\u30d6\u3078\u306e\u6eb6\u63a5\u3082\u5bb9\u6613\u3067\u3059\u3002.<\/p>\n\n\n\n

    \u88fd\u54c1\u306b\u4f7f\u7528\u3055\u308c\u3066\u3044\u308b\u30c1\u30bf\u30f3\u306e\u30b0\u30ec\u30fc\u30c9\u3092\u78ba\u8a8d\u3059\u308b\u306b\u306f\u3069\u3046\u3059\u308c\u3070\u3088\u3044\u3067\u3059\u304b\uff1f<\/strong>
    \u30b5\u30d7\u30e9\u30a4\u30e4\u30fc\u306b\u30df\u30eb\u8a3c\u660e\u66f8\u307e\u305f\u306f\u5206\u6790\u8a3c\u660e\u66f8\uff08COA\uff09\u3092\u4f9d\u983c\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u88fd\u54c1\u306b\u30b0\u30ec\u30fc\u30c9\u3092\u660e\u8a18\u305b\u305a\u300c\u30c1\u30bf\u30f3\u300d\u3068\u306e\u307f\u8a18\u8f09\u3055\u308c\u3066\u3044\u308b\u5834\u5408\u306f\u3001\u30e1\u30fc\u30ab\u30fc\u306b\u554f\u3044\u5408\u308f\u305b\u3066\u304f\u3060\u3055\u3044\u3002\u4fe1\u983c\u3067\u304d\u308b\u30b5\u30d7\u30e9\u30a4\u30e4\u30fc\u3067\u3042\u308c\u3070ASTM\u30b0\u30ec\u30fc\u30c9\u756a\u53f7\u3092\u63d0\u793a\u3067\u304d\u307e\u3059\u3002.<\/p>\n\n\n\n

    \u30c1\u30bf\u30f3\u5408\u91d1\u306f\u6eb6\u63a5\u3067\u304d\u307e\u3059\u304b\uff1f<\/strong>
    \u30b0\u30ec\u30fc\u30c99\u3068CP\u30b0\u30ec\u30fc\u30c9\u306f\u6bd4\u8f03\u7684\u5bb9\u6613\u306b\u6eb6\u63a5\u3067\u304d\u307e\u3059\u304c\u3001\u30c1\u30bf\u30f3\u306f\u5e38\u306b\u6e05\u6d44\u306a\u74b0\u5883\uff08\u9178\u7d20\u6c5a\u67d3\u306a\u3057\uff09\u304c\u5fc5\u8981\u3067\u3059\u3002\u30b0\u30ec\u30fc\u30c95\u306e\u6eb6\u63a5\u306b\u306f\u30b7\u30fc\u30eb\u30c9\u96f0\u56f2\u6c17\u7ba1\u7406\u304c\u5fc5\u8981\u3067\u3001\u53ef\u80fd\u3067\u306f\u3042\u308a\u307e\u3059\u304c\u3001\u3088\u308a\u5de5\u7a0b\u96c6\u7d04\u7684\u3067\u30b3\u30b9\u30c8\u3082\u9ad8\u304f\u306a\u308a\u307e\u3059\u3002.<\/p>\n\n\n\n

    \u307e\u3068\u3081<\/h2>\n\n\n\n

    \u30c1\u30bf\u30f3\u306f\u30b0\u30ec\u30fc\u30c9\u9593\u3067\u4e92\u63db\u6027\u304c\u3042\u308a\u307e\u305b\u3093\u3002\u30a2\u30a6\u30c8\u30c9\u30a2\u7528\u54c1\u306e\u8abf\u9054\u304a\u3088\u3073B2B\u88fd\u9020\u306b\u304a\u3044\u3066\u3001, \u30b0\u30ec\u30fc\u30c9\u3092\u6b63\u3057\u304f\u9078\u3076\u3053\u3068\u306f\u3001\u7d20\u6750\u3092\u6b63\u3057\u304f\u9078\u3076\u3053\u3068\u3068\u540c\u3058\u304f\u3089\u3044\u91cd\u8981\u3067\u3059<\/strong>.<\/p>\n\n\n\n

    CP\u30c1\u30bf\u30f3\uff08\u30b0\u30ec\u30fc\u30c91\uff5e2\uff09\u306f\u3001\u6210\u5f62\u6027\u3001\u98df\u54c1\u5b89\u5168\u6027\u3001\u8010\u98df\u6027\u306e\u7d44\u307f\u5408\u308f\u305b\u306b\u304a\u3044\u3066\u4ed6\u306b\u5339\u6575\u3059\u308b\u3082\u306e\u304c\u306a\u3044\u305f\u3081\u3001\u8abf\u7406\u5668\u5177\u3001\u98f2\u6599\u5bb9\u5668\u3001\u533b\u7642\u6a5f\u5668\u306e\u5206\u91ce\u3092\u62c5\u3063\u3066\u3044\u307e\u3059\u3002\u30b0\u30ec\u30fc\u30c99\u306f\u3001\u30a2\u30a6\u30c8\u30c9\u30a2\u7528\u30c1\u30e5\u30fc\u30d6\u3084\u81ea\u8ee2\u8eca\u30d5\u30ec\u30fc\u30e0\u306b\u304a\u3051\u308b\u9670\u306e\u7acb\u5f79\u8005\u3067\u3042\u308a\u3001\u307b\u3068\u3093\u3069\u306e\u30d0\u30a4\u30e4\u30fc\u304c\u5b58\u5728\u3092\u77e5\u3089\u305a\u306b\u898b\u904e\u3054\u3057\u3066\u3044\u308b\u5b9f\u7528\u7684\u306a\u4e2d\u9593\u30b0\u30ec\u30fc\u30c9\u3067\u3059\u3002\u30b0\u30ec\u30fc\u30c95\u306f\u822a\u7a7a\u5b87\u5b99\u3092\u53ef\u80fd\u306b\u3059\u308b\u9ad8\u6027\u80fd\u5408\u91d1\u3067\u3059\u304c\u3001\u30ad\u30e3\u30f3\u30d7\u7528\u30de\u30b0\u30ab\u30c3\u30d7\u3067\u306f\u306a\u304f\u69cb\u9020\u90e8\u54c1\u306b\u4f7f\u7528\u3055\u308c\u308b\u3079\u304d\u3082\u306e\u3067\u3059\u3002.<\/p>\n\n\n\n

    \u30b5\u30d7\u30e9\u30a4\u30e4\u30fc\u3068\u306e\u3084\u308a\u53d6\u308a\u3084\u4ed5\u69d8\u66f8\u3092\u901a\u3058\u3066\u4e00\u8cab\u3057\u3066\u898b\u3089\u308c\u308b\u30d1\u30bf\u30fc\u30f3\uff1a \u30b0\u30ec\u30fc\u30c9\u3092\u6307\u5b9a\u3059\u308b\u30d0\u30a4\u30e4\u30fc\u306f\u3001\u3088\u308a\u826f\u3044\u88fd\u54c1\u3092\u5165\u624b\u3067\u304d\u3001\u30b3\u30f3\u30d7\u30e9\u30a4\u30a2\u30f3\u30b9\u4e0a\u306e\u4e88\u671f\u305b\u306c\u554f\u984c\u304c\u5c11\u306a\u304f\u3001\u30b5\u30d7\u30e9\u30a4\u30e4\u30fc\u306e\u8aac\u660e\u8cac\u4efb\u3082\u5f37\u5316\u3055\u308c\u307e\u3059\u3002.<\/strong> ASTM\u30b0\u30ec\u30fc\u30c9\u3068\u30df\u30eb\u8a3c\u660e\u66f8\u3092\u6c42\u3081\u3066\u304f\u3060\u3055\u3044\u30023\u79d2\u306e\u4f1a\u8a71\u3067\u3001\u591a\u304f\u306e\u9ad8\u984d\u306a\u554f\u984c\u3092\u9632\u3050\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002.<\/p>","protected":false},"excerpt":{"rendered":"

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