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ISO 9001:2015 · UNS R50400–R56400 · ASTM B348 / AMS 4928

Titanium Fasteners Manufacturer, Supplier & Exporter of Lightweight High Strength Fasteners

Titanium fasteners offer an unmatched combination of high strength, low weight and excellent corrosion resistance. We manufacture Grade 1 through Grade 12 titanium fasteners for aerospace, medical, marine, and chemical industries.
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7

Grades

42

Products

-196°C

Min Temp

315°C

Max Temp

896 MPa

Min tensile strength · Ti Grade 5 per ASTM B348

Exceptional

Seawater immune · titanium oxide passive film

4.43 g/cm³

Density · 45% lighter than stainless steel

The lightweight corrosion-proof alloy explained

What is Titanium Fasteners?

Titanium is a lightweight, high-strength transition metal with density approximately 60% lower than steel and a natural oxide film (TiO₂) that provides exceptional corrosion resistance to seawater, aqueous chloride solutions, oxidising acids and body fluids. The fastener grades — including the commercially pure Grade 2 and the alloyed Grade 5 (Ti-6Al-4V) — span from maximum corrosion resistance to maximum strength applications respectively. Titanium fasteners are specified for aerospace structural assemblies, marine seawater hardware, chemical processing equipment handling reducing acids, and medical devices where biocompatibility is required. The combination of 896 MPa tensile strength (Grade 5) at 4.43 g/cm³ density makes titanium fasteners approximately 43% lighter than equivalent-strength stainless steel bolts — the critical advantage in weight-sensitive aerospace and motorsport applications.
PropertySpecification
Base ElementTitanium (Ti)
Weight vs Steel45% lighter
Grade RangeGrade 2 (CP) to Grade 5 (6Al-4V)
Max Service Temperature315°C
Density4.43–4.51 g/cm³
ASTM StandardsB348, B338, AMS 4928

Titanium grades — which do you need?

Multiple fastener grades and material grades exist for Titanium Fasteners, each tailored to specific industrial fasteners performance demands. Variations in mechanical properties, corrosion resistance, temperature capability, and strength influence suitability for different engineering applications, so compare available grades to align material selection with operating environment, industry, and engineering requirements.

Grade UNS Alloy Key Property Max Temp Best Application
Ti Grade 1 UNS R50250 CP Ti Highest ductility 315°C Chemical processing View grade
Ti Grade 2 UNS R50400 CP Ti Corrosion resistant 315°C Marine, chemical View grade
Ti Grade 4 UNS R50700 CP Ti High strength 315°C Medical, aerospace View grade
Ti Grade 5 (Most Popular) UNS R56400 6Al-4V Strong & lightweight 315°C Aerospace, motorsport View grade
Ti Grade 7 UNS R52400 Pd alloyed Acid resistant 315°C Chemical plants View grade
Ti Grade 9 UNS R56320 3Al-2.5V Lightweight 315°C Hydraulic tubing View grade
Ti Grade 12 UNS R53400 Mo-Ni alloy Brine resistant 315°C Heat exchangers View grade
Titanium Grade 1
Titanium Grade 12
Titanium Grade 2
Titanium Grade 4
Titanium Grade 5 (Ti-6Al-4V)
Titanium Grade 7
Titanium Grade 9

Titanium Fasteners — International Standards & Material Certifications

Titanium Fasteners from RealBolt Engineering Industries are manufactured to ASME SB-348 bar stock and AMS 4928 for Grade 5 (Ti-6Al-4V) aerospace applications. Aerospace orders ship with AS 9100D traceability and AMS certification; marine and industrial grades ship with EN 10204 MTC 3.1/3.2 and NABL-accredited lab reports.
Standards
DIN 931 DIN 933 DIN 912 DIN 938 DIN 939 DIN 976-1 DIN 934 DIN 125A ISO 4014 ISO 4017 ISO 4762 ISO 4032 ASME B18.2.1 ASME B18.3 ASME B18.31.2 ASME B18.2.2 IS 1367
Certifications
ISO 9001:2015 AS 9100D NABL Lab AMS Certified MTC 3.1 / 3.2

Titanium Fasteners Applications — Industries & Use Cases

Titanium Fasteners from RealBolt Engineering Industries are specified by engineers and procurement teams across demanding industries where seawater immune corrosion resistance, biocompatibility, and 45% lower density than stainless steel for aerospace and marine fastening is critical to fastener performance and service life. Primary end-use sectors for Titanium Fasteners include aerospace structural assemblies, marine and offshore seawater systems, chemical processing, medical devices, and motorsport — click each industry below to see specific application details and recommended grades.
Titanium Grade 5 (Ti-6Al-4V, UNS R56400) fasteners are the standard for aircraft structural assemblies, engine pylons, nacelle attachment hardware and helicopter rotor heads — offering 896 MPa tensile strength at 4.43 g/cm³ density.
Titanium Grade 2 fasteners are fully immune to seawater corrosion, crevice corrosion and biofouling. Used in seawater heat exchanger flanges, offshore riser clamps and desalination plant hardware with zero corrosion maintenance.
Titanium Grade 7 (Pd-alloyed, UNS R52400) is specified for HCl, H₂SO₄ and wet chlorine service where Grade 2 would be at risk. Used in chemical reactor bolting, chlor-alkali equipment and pickling tank internals.
Titanium Grade 2 and Grade 5 fasteners are biocompatible (ISO 5832-3) and used in pharmaceutical processing vessels, medical implant jigs, surgical instrument assembly and cleanroom equipment.
Grade 5 titanium fasteners are standard in Formula 1, MotoGP and military vehicle applications where weight reduction without strength sacrifice is critical. Typical weight saving 40–45% vs equivalent-strength steel bolts.

Titanium vs Stainless Steel vs Duplex Steel

This comparison table helps aerospace engineers, marine designers, and offshore procurement managers evaluate Titanium Fasteners against Stainless Steel and Duplex Steel options based on weight and density, seawater corrosion and biofouling resistance, tensile strength, biocompatibility, NACE MR0175 compliance, and cost — for applications where strength-to-weight ratio and corrosion immunity are simultaneously critical. Use this data to make an informed alloy selection for your specific operating environment, design code, and budget — or contact RealBolt’s technical team for a project-specific recommendation.
Property Titanium Gr.5 SS 316L Duplex 2205
Density 4.43 g/cm3 7.98 g/cm3 7.82 g/cm3
Seawater resistance Excellent (immune) Moderate Good
Tensile strength (min) 896 MPa 485 MPa 620 MPa
Strength-to-weight ratio Highest Medium Medium
Relative cost Very High Medium Medium-High
NACE MR0175 compliant Yes Conditional Yes

Verdict: Titanium Grade 5 is the choice for maximum strength-to-weight and full seawater immunity. Duplex 2205 offers better cost-to-strength for structural offshore. SS 316L is adequate for mild corrosion where weight is not critical.

Need Titanium fasteners? Get a competitive price today.

Partner with RealBolt Engineering Industries for certified Titanium Fasteners backed by full EN 10204 material test reports, competitive pricing, and reliable global delivery from our Mumbai facility. Our aerospace and marine technical team supplies Titanium Fasteners in Grade 2 and Grade 5 with AS 9100D, AMS, and ASTM B348 certification, anti-galling pre-lubrication on request, and custom-machined specials in metric M6–M64 and UNC/UNF sizes from certified Ti-6Al-4V and commercially pure titanium bar stock. Request a quote today and receive a competitive price within 24 hours.
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Titanium Fasteners — Common Questions Answered by Our Technical Team

Browse the expert answers below to the most frequently asked questions about Titanium Fasteners — covering Grade 2 vs Grade 5 selection, weight saving versus stainless steel, seawater corrosion immunity, AMS 4928 aerospace certification, anti-galling precautions, biocompatibility, NACE MR0175 compliance, and available sizes with AS 9100D and ASTM B348 documentation. If your question is not answered here, contact the RealBolt technical team directly for grade-specific guidance, project support, and competitive pricing on Titanium Fasteners.
Titanium Grade 2 and Grade 5 are approximately 45% lighter than equivalent stainless steel fasteners (density 4.43–4.51 g/cm³ vs 7.93 g/cm³ for SS 316L). For an equivalent-strength Grade 5 titanium bolt vs a SS 316L bolt, the titanium version weighs 43% less — significant in weight-critical aerospace, motorsport and offshore applications.
Titanium Grade 2 (CP Ti) is fully immune to seawater corrosion, crevice corrosion and biofouling — superior corrosion resistance to even Super Duplex. Grade 5 (Ti-6Al-4V) is also highly corrosion resistant but primarily chosen for aerospace where strength matters more than corrosion alone. For marine hardware, Grade 2 is the standard choice.
Yes, but galvanic corrosion between titanium and SS 316L is minimal due to their similar electrochemical potential. However, titanium in contact with carbon steel will accelerate carbon steel corrosion. Always use titanium fasteners with titanium or stainless steel mating surfaces, with PTFE tape or MoS₂ anti-seize to prevent galling.
Aerospace titanium fasteners are governed by AMS 4928 (Ti-6Al-4V bar), AMS 4965 (annealed), AMS 2631 (ultrasonic inspection) and NAS (National Aerospace Standard) specifications. We supply titanium fasteners with full aerospace material traceability, heat certificates and, where required, first-article inspection reports.

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