What “the material” actually is
钛 is sold as grades, not as a single substance. Chemistry Ti (α/β alloys), density 4.51 g/cm³, heat band 1668 °C.
This atlas treats 钛 as a system: mill route, coatings, tests and the cavity it sits in.
速览
4.51 g/cm³Density
1668 °CMelting
Ti-6Al-4VStar alloy
A1 / powder riskFire
Kroll Mg reductionProcess
metalsFamily
钛 is one of 32 materials in this atlas, grouped under metals: history, structure, measured properties, process routes, uses, safety and market — not a product catalogue.
Scores compare 钛 with the rest of the atlas on strength, heat, fire behaviour, insulation, workability and circularity. They are editorial, not certificates.
Seven chapters follow. Fire and insulation claims name test families (Euroclass, ASTM E84, ISO 5660, KS F) rather than inventing a single safety number.
深入阅读
Deep dive: 钛
钛 (Ti (α/β alloys)) is a family of grades whose density 4.51 g/cm³, heat band 1668 °C, and fire letter A1 metal.
Heat, fire and insulation
Conductivity note: ~22 W/m·K. Insulation score 14/100 is relative to 32 entries — metals lose, VIPs and aerogels win.
Fire letter in editorial use: A1 metal. Do not equate A1 with “safe in a blaze” or E with “illegal”. Assemblies decide.
How it is made and used
Origin: Kroll process 1940, Luxembourg / US. The process chapter follows feedstock → conversion → forming → finish → install.
Uses span buildings to defence / safety. Pairings matter: steel.
Market and circularity
Producers below are landmarks, not an endorsement ranking. Prices are bands, not live quotes.
Circularity mark 48/100. Ask which scrap, which certificate, which year.
画像
强度
86
耐热
78
火灾性能
80
隔热
14
加工性
42
循环性
48
七章
常见问题
Is 钛 non-combustible?
Declared reaction class in this atlas: A1 metal. Assemblies still need resistance tests.
Does 钛 insulate?
Thermal mark 14/100 versus the atlas. Conductivity note: ~22 W/m·K.
What is the density band?
4.51 g/cm³
How is it made?
Origin story: Kroll process 1940 (Luxembourg / US).
Can it be recycled?
Circularity mark 48/100 — editorial, route-specific.
Typical melting or failure heat?
1668 °C
What should it be paired with?
steel: Cheaper mass where density is allowed.
Where is it specified?
Buildings, transport, energy and consumer goods — see the uses chapter.
图标
Kroll process
Luxembourg · 1940–
Kroll process is a reference point in the public image of 钛.
Ti-6Al-4V
United States · 1952–
Ti-6Al-4V is a reference point in the public image of 钛.
SR-71
United States · 1964–1998
SR-71 is a reference point in the public image of 钛.
Hip implant stem
Global · 1960s–
Hip implant stem is a reference point in the public image of 钛.
Golf club lore
Japan / US · 1990s
Golf club lore is a reference point in the public image of 钛.
Submersible hulls
US / RU · 1960s–
Submersible hulls is a reference point in the public image of 钛.
Bike frames
United States · 1980s–
Bike frames is a reference point in the public image of 钛.
Heat exchanger CP
Global · 1970s–
Heat exchanger CP is a reference point in the public image of 钛.
开关图标后，柱会按所选集合的领先者重新缩放。
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对决
同一家族、不同分数 — 选一场。
相近材料
六轴上最近的邻居 — 强度、耐热、火灾、隔热、加工性、循环性。