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ASTM B348 compliant titanium bars — precision-engineered for custom jewelry making and luxury fashion applications
The luxury jewelry and high-end fashion accessories market is undergoing a profound material revolution. Designers and master craftsmen are increasingly turning to ASTM B348 titanium bars as the foundational material for their most prestigious creations — and for compelling, science-backed reasons.
🏆 ASTM B348 is the globally recognized standard for titanium and titanium alloy bars and billets — guaranteeing consistent chemical composition, mechanical properties, and dimensional tolerances that luxury craftsmanship demands.
Unlike gold, platinum, or stainless steel, titanium offers an extraordinary strength-to-weight ratio. A titanium ring, bracelet, or watch component is dramatically lighter than its precious-metal counterpart — yet far stronger and virtually impervious to corrosion, tarnishing, and the daily wear that degrades conventional luxury materials.
For custom jewelers working with intricate filigree, tension-set gemstones, or architectural statement pieces, ASTM B348 titanium bars — available in grades GR1, GR2, GR5 (Ti6Al4V), GR7, GR9, and GR12 — provide the precise machinability and surface quality needed to realize bold creative visions without compromise.
Six defining properties that make ASTM B348 titanium bar the ultimate choice for luxury creative industries
Titanium delivers steel-level strength at just 60% of the weight — enabling ultra-thin, architecturally bold jewelry designs that remain structurally sound and wearable all day without fatigue.
Through electrochemical anodization, titanium develops a natural oxide layer that produces a full spectrum of brilliant, permanent colors — from deep blue and violet to gold and rose — without dyes or coatings.
Titanium is 100% nickel-free and biologically inert, making it the safest choice for skin-contact jewelry. Ideal for customers with metal sensitivities — a key selling point in the premium wellness-luxury market.
ASTM B348 titanium bars can be polished to a mirror finish, brushed for a matte aesthetic, sandblasted for texture, or PVD-coated — offering designers complete control over the final tactile and visual experience.
Titanium is infinitely recyclable and has a dramatically lower environmental footprint than gold mining. As conscious luxury becomes mainstream, titanium aligns perfectly with ESG-driven brand values and eco-luxury positioning.
ASTM B348 grade bars offer consistent grain structure and tight dimensional tolerances (±0.05mm achievable), enabling CNC machining, laser cutting, and hand-finishing to the micron-level precision luxury jewelry demands.
Select the optimal grade based on your design requirements, processing method, and end-use application
| Grade | Alloy Designation | Tensile Strength | Key Characteristics | Best For |
|---|---|---|---|---|
| GR1 | CP Titanium (Pure) | 240 MPa min | Highest ductility, softest grade, excellent formability | Delicate filigree, wire wrapping, fine chain links |
| GR2 | CP Titanium (Pure) | 345 MPa min | Balance of strength and ductility, most widely used | Rings, bracelets, pendants, fashion accessories |
| GR5 (Ti6Al4V) | Ti-6Al-4V Alpha-Beta | 895 MPa min | Highest strength, excellent fatigue resistance | Watch cases, clasps, structural luxury hardware |
| GR7 | Ti-0.2Pd | 345 MPa min | Superior corrosion resistance, palladium-enhanced | Marine-inspired jewelry, outdoor luxury accessories |
| GR9 (Ti-3Al-2.5V) | Ti-3Al-2.5V Alpha-Beta | 620 MPa min | High strength, excellent weldability | Eyewear frames, hinges, articulated jewelry |
| GR12 | Ti-0.3Mo-0.8Ni | 483 MPa min | Enhanced corrosion resistance, high strength | High-wear luxury items, cufflinks, belt buckles |
From haute couture runways to bespoke watchmaking ateliers — discover how titanium is reshaping the luxury creative economy
Independent jewelers and luxury ateliers are adopting GR2 and GR5 ASTM B348 titanium bars for tension-set engagement rings, sculptural cuffs, and statement necklaces. The material's biocompatibility eliminates allergic reactions, while its machinability allows for intricate stone settings that would be impractical in softer precious metals. Custom color anodization enables truly one-of-a-kind pieces with permanent, fade-resistant hues.
Swiss and Japanese watchmakers are increasingly specifying GR5 Ti6Al4V ASTM B348 bar stock for cases, bezels, crowns, and bracelet links. The grade's exceptional hardness-to-weight ratio produces timepieces that are 30–40% lighter than equivalent stainless steel models, while maintaining scratch resistance and dimensional stability across extreme temperature ranges — critical for precision horological applications.
The luxury eyewear sector has embraced GR9 titanium (Ti-3Al-2.5V) bars as the gold standard for ultra-thin, featherweight frames. ASTM B348 GR9 bars offer the ideal combination of spring-back elasticity and strength for hinge mechanisms, nose bridges, and temple arms — enabling frames that weigh under 10 grams while withstanding years of daily flexing without metal fatigue or corrosion.
Leading fashion houses are specifying ASTM B348 titanium for bag clasps, belt buckles, shoe hardware, and structural garment embellishments. GR2 titanium's formability allows complex stamping and deep-drawing processes, while PVD coating over titanium substrates delivers the gold or rose-gold aesthetic of precious metals with superior durability. Titanium hardware adds a technical, avant-garde narrative to luxury brand storytelling.
Studio artists and gallery jewelers prize ASTM B348 titanium for its unique anodization properties — the ability to create permanent, interference-based color effects across the full visible spectrum without pigments. GR1 titanium's exceptional ductility enables hand-forging and reticulation techniques that produce organic, one-of-a-kind textures. Museum-quality art jewelry pieces in titanium command significant premiums in the collector market.
The intersection of athletic performance and luxury lifestyle has created demand for ASTM B348 GR5 titanium in golf club heads, bicycle components, diving accessories, and extreme sports jewelry. These applications require the full mechanical performance of aerospace-grade Ti6Al4V while meeting the aesthetic standards of luxury consumer goods — a combination that only ASTM B348 certified material reliably delivers.
The convergence of sustainability, technology, and luxury is driving unprecedented demand for ASTM B348 titanium in creative industries
The global luxury titanium jewelry segment is projected to reach USD 4.2 billion by 2029, growing at a CAGR of 8.7% — driven by rising demand for hypoallergenic, sustainable fine jewelry among millennial and Gen-Z luxury consumers.
Searches for "titanium jewelry" and "titanium engagement rings" have grown over 340% on major luxury e-commerce platforms since 2020, reflecting a fundamental shift in consumer material preferences toward technical, story-rich metals.
A 2024 industry survey found that 68% of luxury fashion and accessories brands are actively exploring or have already adopted titanium components in their product lines, citing durability, sustainability credentials, and design flexibility as primary drivers.
The integration of ASTM B348 titanium bar stock with CNC machining and hybrid additive-subtractive manufacturing is enabling jewelry complexity previously impossible. Leading ateliers are using titanium powder (derived from B348 bar) for selective laser sintering of architectural jewelry forms.
With luxury consumers increasingly demanding ethical sourcing and environmental accountability, titanium's 100% recyclability, conflict-free supply chains, and absence of harmful mining practices position ASTM B348 bar as the "responsible luxury" material of the decade.
Advanced multi-step anodization techniques applied to ASTM B348 titanium bars are enabling gradient color effects, iridescent patterns, and even photographic imagery on titanium jewelry surfaces — opening entirely new aesthetic territories for luxury designers.
ProX Metal's vertically integrated production ensures every ASTM B348 titanium bar meets the exacting standards luxury craftsmen require
High-purity titanium sponge is vacuum arc remelted (VAR) to achieve homogeneous alloy chemistry meeting ASTM B348 chemical composition requirements.
Controlled hot forging and precision rolling processes develop the optimal microstructure for machinability and surface quality in jewelry applications.
Every bar undergoes ultrasonic testing, dimensional verification, mechanical property testing, and chemical analysis before ASTM B348 certification is issued.
Bars are precision-cut to customer specifications, with surface options including polished, lathe-machined, or black oxidized finishes to suit specific jewelry applications.
Grade: GR1, GR2
Standards: ASTM B265
Specifications: δ(0.3-12)mm×W500-2000mm×L
Supply surface: Cold rolled bright finish, Cold rolled pickled finish, Hot rolled pickled finish, Black oxide-covered surface
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Grade: GR1, GR2
Standards: ASTM B265
Specifications: δ(0.3-100mm)×W(400-3000mm)×L(800-20,000mm)
Surface: Cold-rolled bright finish, acid-washed, sandblasted
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Grade: GR1, GR2, GR7, GR12
Standards: ASTM B265
Specifications: δ(12mm-75mm)×W(1500-2500mm)×L(1000-12,000mm)
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Grade: Ti6Al4V, Ti6Al4V Eli, GR5, GR23
Standards: ASTM B265
Specifications: δ(0.5-75mm)×W(400-3000mm)×L(800-60,000mm)
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Grade: Ti-5Al-2.5Sn
Standard: ASTM B265
Specifications: δ(0.5-50mm)×W(500-1500mm)×L(1000-20,000mm)
View moreGrade: Grade 7 (Ti-0.2Pd)
Standards: ASTM B348
Specifications: Φ5-100mm × L2000-3000mm
Supply Surface: Polished, Lathe Machined, Black oxidized
View moreGrade: GR12 (Ti-0.3Mo-0.8Ni)
Standards: ASTM B348
Specifications: Φ5-100mm × L2000-3000mm
Supply Surface: Polished, Lathe Machined, Black oxidized
View moreGrade: Gr5, Ti6Al4V, Ti6Al4V Eli
Standards: ASTM B348
Specifications: Φ5-100mm × L3000mm
Supply Surface: Polished, Lathe Machined, Black oxidized
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Grade: GR1, GR2, GR3, GR4
Standards: ASTM B348
Specifications: Φ5-100mm × L3000mm
Supply Surface: Polished, Lathe Machined, Black oxidized
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Grade: GR2, GR5
Standard: ASTM B348
Specifications: Hex: H2.5-H7 (GR2), H14 (GR5); Square: H6-18×6-18
Surfaces: Polished, lathe-machined, black oxidized
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Grade: GR9 (Ti-3Al-2.5V)
Specifications: Diameter 6-100mm × Length 1500-3000mm
Supply Surfaces: Polished, lathe-machined, black oxidized
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Grade: Gr.1, Gr.2, Gr.5, Gr.7, Gr.12
Standards: ASTM B862
Specifications: Φ(6-200)×L(500-6000)mm
Supply Surface: Polished, pickled or coated finishes
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Grade: Gr.1, Gr.2, Gr.5, Gr.7, Gr.12
Standards: ASTM B338, ASTM B861
Specifications: Φ(3-110)×L(500-6000)mm
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Grade: GR1, GR2, GR5 (Ti6Al4V), GR9
Specifications: ⌀0.5-6mm × T:0.1-1.2mm × L:600-1000mm
Standard: ASTM B861, ASTM B338, ASTM B337, ASTM B862
Surfaces: Polished, machined, pickled
View moreFounded in 2001, ProX Metal is a high-tech enterprise specialising in the development, production and servicing of pure and alloy titanium materials. As a leading manufacturer of raw titanium materials, we focus on providing cost-effective, stable, high-end titanium materials applied in chemical, oil and gas, marine, electronics, and luxury fashion fields. We are ISO 9001:2015 certified and hold 14 national patents.
ProX Metal possesses a complete titanium metal production chain, equipped with over 100 advanced machines, achieving an annual output of 8,000 tons of pure titanium and alloy materials. We offer comprehensive solutions spanning from standard products to customized offerings, committed to delivering the highest quality service to our customers.
ProX Metal is certified to ISO 9001:2015, with its quality system and product lines undergoing regular certification audits. We have implemented a rigorous quality management system that meets the stringent excellence standards for titanium raw material production, ensuring our products meet the highest safety and quality standards.
We have multiple products for you to choose from — serving diverse industries with precision titanium solutions
In the chemical industry, titanium is widely used against highly corrosive media such as chlor-alkali and sulphuric acid, ensuring efficient and safe chemical production.
Supplies high-strength, corrosion-resistant titanium materials for exploration, production and refining of oil and gas resources worldwide.
Corrosion resistance in seawater and brackish applications makes titanium the material of choice in marine and offshore applications.
Titanium improves efficiency and extends the life of desalination equipment due to its corrosion resistance, high strength, light weight and good thermal conductivity.
Contact us for the best solution. Would you like to know more? We can give you the answer. For inquiries about our products, please leave your e-mail and we will reply within 24 hours.
Click for InquiryWhat our global customers say about ProX Metal's ASTM B348 titanium products and service
They provided a prompt update on arranging the shipment. We are very grateful that they were able to solve the problem quickly after sales, and we are confident that we will continue our collaboration for a long time.
We've been working with this supplier for 10 years, and we can't speak highly enough of them. The quality of their titanium sheets and strips is always consistent, and they always meet our production needs.
Their logistics are super fast, so they can deliver on time even for big orders. This helps us avoid production delays, which is a huge help for our manufacturing schedule.
Their comprehensive inventory meets our diverse material grade requirements, making them highly accommodating for distributors like us. They provide efficient and patient service for sample orders, and we look forward to expanding our collaboration in the future.
Latest insights, technical guides, and industry updates from ProX Metal's titanium experts
Explore our full range of ASTM-certified titanium materials — custom specifications available on request
