Featured Titanium Components & Fasteners
Explore our factory-direct CNC machined titanium products, rigorously manufactured under DIN, ANSI, and JIS standards with mill-test trace certificates.
Why Västerås Engineers Prioritize Titanium Acorn Nuts (DIN 1587)
Positioned in the heart of Mälardalen's automation, energy, and heavy transport corridor, engineering teams in Västerås require mechanical components capable of withstanding aggressive industrial stress without structural degradation.
Hermetic Thread Sealing
Titanium acorn nuts (blind cap nuts) completely seal protruding external bolt threads against moisture, salt spray, airborne contaminants, and aggressive washdowns in high-humidity Nordic applications.
High Strength-to-Mass Ratio
Weighing 44% less than 316L stainless steel and 8.8 structural carbon steel, our Gr5 (Ti-6Al-4V) acorn nuts cut rotating inertia and assembly deadweight in precision automated machinery.
Immunity to Chloride Attack
Unlike standard austenitic stainless steels, Grade 5 and Grade 2 titanium develop an instantaneous, self-healing rutile titanium dioxide (TiO₂) film that provides absolute resistance to pitting and crevice corrosion.
Technical Specification & Mechanical Comparison
Compare mechanical characteristics for your specific engineering envelope in high-voltage switchgear, robotics, or electric drivetrains.
| Mechanical Metric | Gr5 (Ti-6Al-4V) TC4 | Gr2 CP Titanium | A4-80 Stainless Steel | 7075-T6 Aluminum |
|---|---|---|---|---|
| Density (ρ) | 4.43 g/cm³ | 4.51 g/cm³ | 7.98 g/cm³ | 2.81 g/cm³ |
| Tensile Strength (Rm) | ≥ 895 - 950 MPa | ≥ 345 - 450 MPa | ≥ 800 MPa | ≥ 570 MPa |
| Yield Strength (Rp0.2) | ≥ 828 MPa | ≥ 275 MPa | ≥ 600 MPa | ≥ 505 MPa |
| Modulus of Elasticity (E) | 114 GPa | 103 GPa | 193 GPa | 71.7 GPa |
| Magnetic Permeability (μr) | 1.00005 (Non-magnetic) | 1.00004 (Non-magnetic) | 1.005 - 1.05 (Slight) | 1.00002 (Non-magnetic) |
| Atmospheric & Salt Spray Resistance | Inert (Infinite Lifespan) | Inert (Infinite Lifespan) | Susceptible to Crevice Pitting | Requires Anodizing/Coatings |
Localized Application Scenarios across Västerås Industry
From Finnslätten Industrial Park to specialized marine craft operating on Lake Mälaren, our titanium acorn nuts support demanding operational conditions.
Robotics & Advanced Automation
In collaborative assembly robot arms manufactured in Finnslätten, reducing mass at distal joints improves acceleration limits, dampens vibration spikes, and prevents human-machine snag hazards via smooth, rounded dome profiles.
High-Voltage Grid & Switchgear
Västerås is a global center for power transmission engineering. Non-magnetic Gr5 and Gr2 titanium acorn nuts eliminate eddy currents, inductive heating losses, and galvanic corrosion on outdoor substations and transformer bussing.
E-Mobility & Rolling Stock
Battery enclosure lids, power electronic cooling assemblies, and exterior structural brackets across high-speed rail systems demand high clamping load security coupled with weight savings for strict EN 45545 fire and crash specifications.
Industrial Supply Chain Trends in Västmanland
Swedish engineering leaders are adapting to macro procurement challenges by shifting toward verified, high-performance specialized manufacturers.
Lifecycle Cost Optimization
Replacing consumable steel fasteners with inert titanium in outdoor power stations eliminates scheduled thread de-greasing, wire-brushing, and premature replacements over 40-year spans.
Direct Factory Traceability
Procuring direct from our precision facility in Baoji provides full batch mill-test certification (EN 10204 3.1) and eliminates distributor markups, cutting delivery lag by up to 35%.
Demanding Anti-Galling Controls
Nordic automation builders require rolled thread forms and advanced PVD or anodization micro-coatings to prevent thread galling during high-speed torque installation.
Eco-Friendly ESG Materials
Titanium is 100% recyclable, contains non-toxic alloying elements, and removes the need for toxic electroplating or hazardous chrome treatments often found on steel.
Velnora Titanium: Baoji Direct to Sweden Advantage
Strategically located in China's Titanium Valley, Velnora Titanium Industry combines raw sponge access with high-precision multi-axis CNC manufacturing.
Origin Certified Titanium Sponge
Direct access to raw Grade 5 and Grade 2 ingots ensures consistent chemical stoichiometry, micro-clean inclusions, and zero contamination from secondary scrap reprocessing.
Multi-Axis CNC Lathes & Wire EDM
Our precision facility maintains tight dimensional tolerances down to ±0.01 mm on dome height, hex flats, and root thread radiuses for smooth nut engagement.
CE Compliance & Process Tracking
We provide live visual updates, including CNC machining footage, thread gauge verification, and spectrometer composition reports, so your engineers can verify parts prior to export.
Frequently Asked Questions for Swedish Procurement
Clear, technical answers to common questions about material certification, galling prevention, standards compliance, and delivery logistics to Västerås.
Can Grade 5 Titanium Acorn Nuts directly replace DIN 1587 Stainless Steel nuts in heavy engineering?
Yes. Gr5 (Ti-6Al-4V) delivers a yield strength (≥ 828 MPa) that exceeds standard A2-70 and A4-70 stainless steel, and is comparable to property class 8.8 steel while saving roughly 44% in mass. For high-torque joints, torque values should be recalibrated based on thread lubricant friction coefficients.
What measures prevent thread galling during high-torque installation?
Titanium naturally tends to gall if dry threads rub under high pressure. We roll the internal threads to improve surface smoothness and offer anti-galling PVD, micro-arc oxidation, or molybdenum disulfide coatings. We always recommend using a nickel- or copper-based anti-seize paste during assembly.
What certifications and inspection documents accompany orders shipped to Sweden?
Every shipment includes an EN 10204 3.1 material test certificate detailing chemical composition and tensile testing from our Baoji laboratory. We also provide CE compliance certificates, optical dimensional inspection reports, and video verification of thread pitch tolerances upon request.
What are the typical lead times and logistics routes from Baoji to Västerås?
Standard DIN 1587 sizes (M4 through M24) in stock ship within 48 hours via air express (DHL/FedEx/UPS), delivering directly to your Västerås facility in 4 to 7 business days. Custom CNC runs to drawing specifications typically require 15 to 25 production days, with air and ocean freight options available through Gothenburg or Stockholm Arlanda.
What is your minimum order quantity (MOQ) for custom acorn nuts and non-standard thread pitches?
Our typical MOQ is 100 to 300 pieces for standard metric sizes. For custom CNC designs—such as deep-dome acorn nuts, custom flanges, or fine-pitch threads (e.g., M10x1.0 or M12x1.25)—we support prototype evaluation batches starting at 50 pieces.
Ready to Upgrade Your Fasteners to Gr5 Titanium?
Submit your 2D/3D mechanical drawings or DIN specification requirements. Our engineering team reviews step models, load requirements, and surface finishing needs within 4 working hours.