Factory Direct Since 2013 [email protected] Baoji, Shaanxi, China
Nordic Industrial Fastener Engineering

CE Certified Titanium Flange Nuts Supplier & Exporter in the Copenhagen Market

Providing High-Tensile DIN 6923 Titanium Flange Fasteners, Corrosion-Immune Gr5 Hardware, and Factory-Direct CNC Solutions Tailored for Greater Copenhagen's Maritime, Wind, and Clean-Tech Sectors.

2013
Established in Baoji Valley
100+
Advanced CNC Centers
≥ 895 MPa
Gr5 Ti-6Al-4V Tensile Load
EN 10204 3.1
Full Heat Lot Traceability
Precision Engineered Catalog

Precision Titanium Flange Fasteners & Hardware for Danish Engineering

Explore our core export line of Grade 5 (Ti-6Al-4V) and Grade 2 commercial titanium flange nuts and complementary machine bolts, meticulously machined to DIN 6923, ISO 4014, and DIN 7991 standards.

Industrial White Paper

Engineering Titanium Flange Nuts for the Greater Copenhagen Ecosystem

A technical assessment of why capital equipment builders in Zealand, the Øresund region, and Copenhagen Harbour are shifting from austenitic stainless steels (A2/A4) to Grade 5 titanium fasteners.

In the maritime-adjacent industrial corridors extending from Copenhagen Harbor to Kalundborg and the Øresund high-tech clusters, equipment designers face extreme environmental and mechanical degradation. Traditional fastening solutions—such as standard DIN 934 hex nuts paired with independent dynamic washers—routinely suffer from two critical points of failure: crevice corrosion in brackish splash zones and localized joint loosening under vibrational shear.

CE Certified Titanium Flange Nuts (DIN 6923) overcome these failure modes by integrating a load-distributing disc skirt directly into a hot-forged or precision CNC-turned nut body. When manufactured from certified Grade 5 (Ti-6Al-4V / 3.7165) titanium, these components deliver a yield strength exceeding 828 MPa, drastically outperforming A4-70 and A4-80 stainless fasteners while reducing fastening mass by over 44%.

For Danish engineers in maritime shipping, offshore wind transmission, chemical biorefinery systems, and cargo bicycle automation, titanium flange nuts represent a permanent solution to chloride-induced stress corrosion cracking (SCC). Our factory produces both smooth-bearing flange variants for delicate carbon or coated composites and ribbed/serrated flange designs for severe vibration assemblies.

Titanium Hex Flange Nut DIN 6923
Anodized Flange Nuts Gr5
CNC Machining Center for Flange Nuts
Quality Inspection Warehouse
Metric / Material Property DIN 6923 Gr5 Titanium (Ti-6Al-4V) Stainless Steel A4-80 (AISI 316) Carbon Steel 8.8 (Galvanized) Operational Impact in Copenhagen
Proof Load / Tensile Strength 895 – 1000 MPa 800 MPa 800 MPa Allows bolt down-sizing from M10 to M8 in subsea/wind nacelles.
Yield Strength (Rp0.2) 828 MPa 600 MPa 640 MPa Zero plastic deformation during extreme storm-surge peak shears.
Density & Mass Efficiency 4.43 g/cm³ (−44% vs steel) 7.98 g/cm³ 7.85 g/cm³ Lowers unsprung dynamic mass on fast ferries and Danish cargo bikes.
Pitting Resistance Eq. (PREN) Immune (TiO₂ Native Oxide Layer) PREN ~23–25 Negligible (< 10) Immunity to Baltic Sea brackish salinity and road deicing salts.
Thermal Expansion (20–100°C) 8.6 × 10⁻⁶ / K 16.0 × 10⁻⁶ / K 12.0 × 10⁻⁶ / K Prevents thermal clamp relaxation during Danish winter-summer cycles.
Direct Mill to Harbor Supply

Why Danish Buyers Partner Directly with Yevzo Titanium

Combining primary raw-material dominance in Baoji with strict European mechanical compliance (CE, ISO, and DIN certifications) for seamless Scandinavian import operations.

Source Factory in "Titanium Valley"

Operating since 2013 in the High-Tech Development Zone of Baoji, Shaanxi, we source ingots and ASTM B348 round bars directly at source. Eliminating European intermediary trading houses yields 25–40% cost efficiency and guarantees raw material melt traceability from day one.

Stringent CE & ISO Quality Control

Every shipment bound for Copenhagen undergoes 100% thread go/no-go ring gage testing, optical comparator profile checking, and digital micro-hardness verification. We furnish EN 10204 3.1 mill inspection certificates with chemical spectrometry (ICP-AES) and tensile data on demand.

Flexible MOQs & Rapid DDP Delivery

Unlike massive metal conglomerate mills requiring thousands of units, our catalog flange nuts and bolts maintain flexible starting orders from 10 to 50 pieces for prototypes, scaling rapidly to container bulk. We offer DDP Copenhagen logistics via air express or sea shipping, clearing customs smoothly.

Engineering Consultation & OEM CNC

Our engineering department conducts CAD review of drawings (STEP, DWG, PDF) to optimize fastener lead times. We assist Nordic engineers with custom flange diameters, non-standard pitch configurations (fine vs course), specialized lightweight skeleton cuts, and electrochemical color anodization.

Buyer Knowledge Base

Frequently Asked Questions by Danish Procurement Specialists

Critical commercial and metallurgical details for mechanical engineers, sourcing leads, and OEM distributors importing titanium fasteners into the Danish single market.

Are your titanium flange nuts CE certified and compliant with EU REACH / RoHS regulations? +
Yes. All titanium hardware exported to Denmark meets CE manufacturing traceability guidelines, adheres fully to European REACH standards regarding chemical safety, and contains zero hazardous substances restricted under EU Directive 2011/65/EU (RoHS). We supply full Material Declaration sheets and EN 10204 Type 3.1 inspection certificates stating mechanical and chemical batch properties with every Danish customs manifest.
How do you resolve galling (cold welding) between titanium nuts and titanium bolts in marine use? +
Titanium has a naturally forming titanium dioxide film that can cause thread galling under rapid installation or dry tightening. For Copenhagen maritime and offshore assembly, we recommend: 1) applying an approved nickel- or copper-based anti-seize paste (or molybdenum disulfide / PTFE thread lubricants), 2) strictly controlling assembly RPM by utilizing manual torque wrenches rather than high-speed pneumatic impact drivers, and 3) pairing Grade 5 bolts with Grade 2 nuts (differential hardness) or selecting our specialized PVD/micro-oxidized surface treatments.
What Incoterms and customs clearance support do you provide for delivery into Copenhagen? +
We provide full Incoterms 2020 flexibility: DDP (Delivered Duty Paid directly to your door or warehouse in Greater Copenhagen, Hovedstaden, or Aarhus), CIF (Copenhagen Port), CFR, FOB Shanghai/Tianjin, and EXW Baoji. For DDP orders, our freight forwarders handle import clearance, Danish customs duties, and EU tariff classifications (HS Code 8108.90), eliminating administrative friction for Danish procurement departments.
What are the torque guidelines for DIN 6923 Grade 5 titanium flange nuts compared to Steel 8.8? +
Because Grade 5 titanium has an elastic modulus roughly half that of carbon steel (114 GPa vs. 210 GPa), tightening torque must be calculated according to the specific friction coefficient of the chosen lubricant. When using a standard anti-seize compound (μ ≈ 0.10–0.12), an M6 Gr5 flange nut typically requires approximately 9.0–10.5 N·m, while an M8 Gr5 flange nut requires 22–26 N·m, and an M10 requires 44–50 N·m. We provide customized torque calculation tables based on your joint substrate.
Can Yevzo manufacture custom flange profiles with non-serrated or oversized bearing faces? +
Absolutely. In addition to standard DIN 6923 serrated flange nuts, our CNC turning-milling units frequently manufacture smooth-faced flange nuts, oversized wide-diameter skirts for soft structural substrates (such as marine fiberglass, carbon fiber, and 6000/7000-series aluminum), thin-pattern hex jam flange nuts, and castle flange lock nuts built to custom 2D/3D customer drawings.
What currencies and payment terms are accepted for Danish enterprise accounts? +
We accept wire transfers in EUR, DKK, USD, and GBP via T/T, Irrevocable Letters of Credit (L/C at sight) for container-scale contracts, PayPal or Credit Card for rapid prototype evaluation lots, and secure escrow accounts. For recurring OEM partners in Denmark with established purchase histories, flexible commercial payment windows are available following credit review.

Optimize Your Scandinavian Assembly Supply Chain Today

Whether you require standard DIN 6923 Grade 5 stock dispatched immediately to Copenhagen or bespoke CNC machining according to your proprietary technical drawing, our factory engineering team is ready to assist.

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