ISO 9001 Certified Titanium Manufacturer · Baoji, China · Since 2006 [email protected]
Baoji Titanium Valley · ISO 9001 Certified Exporter

China Wholesale Titanium Washers Supplier & Exporter

Precision-engineered ASTM B348, DIN 125, DIN 127, and custom Belleville spring washers manufactured from aerospace-grade Gr2 and Ti-6Al-4V Gr5. Direct mill traceability with EN 10204 3.1 certification.

Factory Direct Inventory

Precision Titanium Components & Fasteners

Browse our core manufacturing catalog covering precision CNC-machined fasteners, high-purity plate, shape-memory wire, and corrosion-resistant processing assemblies.

Anodizing Gear Anodizing Titanium Jig Hanger Rack Frame for Plating

Anodizing Titanium Jig Hanger Rack Frame for Plating

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Raw Material Gr5 Gr2 Titanium Plate Price ASTM B265 Titanium Sheet in stock

Gr5 Gr2 Titanium Plate Price ASTM B265 Titanium Sheet in stock

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Memory Alloy Nitinol Wire Shape Memory Alloy Superelastic Niti Wires 0.45 0.5 0.55MM

Nitinol Wire Shape Memory Alloy Superelastic Niti Wires 0.45 0.5 0.55MM

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Bar Stock Gr2 Gr5 Titanium Round Bar 25mm/35mm/45mm/65mm Length 1000mm

Gr2 Gr5 Titanium Round Bar 25mm/35mm/45mm/65mm Length 1000mm

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Piping Systems Ti-pure Titanium Seamless Concentric Reducer Pipe Fitting

Ti-pure Titanium Seamless Concentric Reducer Pipe Fitting

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Engine Hardware M8 M10 M12x30mm Gr2 Gr5 Titanium Auto Intake Exhaust Stud Bolt

M8 M10 M12x30mm Gr2 Gr5 Titanium Auto Intake Exhaust Stud Bolt

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Sporting Goods Hot sell thin titanium fishing rods price per kg

Hot sell thin titanium fishing rods price per kg

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Surface Plating Gr2 Titanium 30 Split Fingers Disk Rack Dia220mm Thick1.5mm for Anodizing

Gr2 Titanium 30 Split Fingers Disk Rack Dia220mm Thick1.5mm for Anodizing

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2006+
Founded In Baoji
100t
Annual Titanium Capacity
90%
Direct Export Ratio
≤8h
Engineering Response Time
Industry Whitepaper & Technical Analysis

Engineering Superiority of Titanium Washers in Extreme Operating Environments

In mechanical assemblies subject to dynamic vibration, cyclical thermal loads, and aggressive chemical reagents, the washer is frequently the most underestimated failure point. Bolted joints fail not because the male fastener shears, but because the bearing surface underneath the head suffers from localized embedment, localized galvanic oxidation, or elastic spring-rate degradation that leads to critical preload loss. Titanium washers manufactured from Commercially Pure (CP) Grades or alpha-beta alloys like Ti-6Al-4V (Grade 5) present an unmatched strength-to-weight ratio (density ≈ 4.43 to 4.51 g/cm³), complete immunity to chloride-induced pitting, and exceptional fatigue endurance.

As an ISO 9001 certified Chinese manufacturing exporter based in the industrial epicenter of Baoji, Jovzi Titanium manufactures wholesale flat, spring lock, spherical, and conical Belleville washers tailored to stringent international standards, including DIN 125A/B, DIN 127, DIN 9021, DIN 6796, ASME B18.22.1, and aerospace-level AMS specifications. Every production heat originates from premium-melt vacuum arc remelted (VAR) sponge titanium, verified through documented chemical titration and mechanical testing in compliance with EN 10204 3.1 standards.

Critical Engineering Insight: When mating titanium male fasteners (e.g., DIN 912 or ASME B18.3 bolts) to carbon fiber-reinforced polymer (CFRP) airframes or offshore marine flanges, standard stainless steel (A2/A4 or 316L) washers can establish an electrochemically active galvanic couple. Utilizing Grade 5 titanium washers eliminates potential gradient corrosion, mitigates embedment creep, and sustains preload torque over millions of duty cycles.

Metallurgical Grade Comparison for Industrial Washers

Specifying the proper metallurgical grade is essential to balance tensile elongation, yield bearing load, and chemical passivity across subsea, aerospace, and chemical processing pipelines:

Titanium Grade UNS / Standard Yield Strength (Min, MPa) Elastic Modulus (GPa) Hardness (HV / HRC) Target Engineering Application
Grade 1 (CP4) UNS R50250 / ASTM B265 170 MPa 105 GPa 120 HV Deep-drawn micro-shims, chemical gaskets, cryogenic linings requiring maximum ductility.
Grade 2 (CP3) UNS R50400 / ASTM B265 275 MPa 105 GPa 160 HV General marine plumbing, chemical chlor-alkali valves, DIN 125 flat washers, seawater cooling.
Grade 5 (Ti-6Al-4V) UNS R56400 / ASTM B348 828 MPa 114 GPa 32–36 HRC Aerospace airframes, motorsport disc brakes, DIN 127 split lock washers, heavy-duty Belleville springs.
Grade 7 (Ti-0.15Pd) UNS R52400 / ASTM B265 275 MPa 105 GPa 165 HV High-temperature hydrochloric/sulfuric acid autoclaves, aggressive reducing chemical environments.
Grade 12 (Ti-Mo-Ni) UNS R53400 / ASTM B348 345 MPa 108 GPa 190 HV Desalination brine heaters, elevated-temperature petrochemical flanges susceptible to crevice attack.

Preload Maintenance & Anti-Loosening

Machined Grade 5 conical Belleville spring washers provide precise spring deflection under high dynamic loads, directly compensating for thermal expansion differentials and bolt relaxation in high-vibration turbomachinery.

Immunity to Chloride Stress Corrosion

Unlike 304 and 316 stainless steels, which suffer catastrophic transgranular stress corrosion cracking (SCC) in warm marine air or brine solutions, titanium naturally regenerates an impervious TiO2 ceramic passive film instantly.

Extreme Strength-to-Weight Advantage

Weighing 45% less than steel while providing yield limits surpassing 828 MPa, our titanium washers dramatically reduce rotating unsprung mass in performance racing hubs, drone landing assemblies, and satellite structures.

Strategic Sourcing Intelligence

Global Titanium Washer Procurement Trends (2025–2030)

Procurement directors and supply chain managers must navigate shifting commodity dynamics, raw sponge indexes, clean-energy adoption cycles, and ESG compliance.

Clean Energy & H2

Electrolyzer & Fuel Cell Stack Expansion

The global surge in green hydrogen generation via Proton Exchange Membrane (PEM) electrolyzers requires millions of ultra-thin, low-iron titanium contact washers and bipolar plate shims. Only Grade 1 and Grade 2 titanium provide the low electrical contact resistance and acid-tolerant chemical stability needed inside hydrogen cell chambers.

Automotive Transition

Hyper-EV & High-Voltage Battery Packaging

Premium EV manufacturers are systematically replacing steel fasteners with titanium hardware across structural battery packs and suspension knuckles. Non-magnetic titanium washers prevent eddy current losses, resist galvanic decomposition when paired with carbon composite shells, and deliver structural lightweighting that extends battery range.

Supply Chain Integrity

Direct-from-Source Traceability & Scrap Closed-Loops

International defense, marine, and nuclear buyers increasingly reject untraceable broker inventories in favor of primary Chinese manufacturing centers. Sourcing directly from verified Baoji processors enables complete ingot-to-washer batch segregation, verified MTC 3.1 documentation, and closed-loop scrap recycling agreements that buffer price volatility.

Mitigating Galling & Optimizing Tightening Torque

A critical consideration during titanium fastener procurement is the tribological tendency toward thread galling under severe friction. When titanium bolts are torqued down against matching titanium nuts or through unhardened washers, high adhesive friction can cause localized cold welding. To address this, Jovzi Titanium provides advanced surface treatment options for wholesale washer orders:

• Micro-Arc Oxidation (MAO / PEO): Synthesizes a thick, dense ceramic oxide layer on the washer face, elevating surface hardness above 60 HRC while drastically reducing sliding friction coefficients.
• Anodizing Type II (AMS 2488): Eliminates micro-friction sticking and creates a lubricious surface that standardizes nut factor (K-factor) calculations during torque-tension calibration.
• Molybdenum Disulfide (MoS2) Dry Film Lubrication: Applied in-house to guarantee consistent clamping force delivery without necessitating liquid thread pastes that contaminate cleanroom aerospace enclosures.

Enterprise Core Competence

Baoji's Premier Titanium Manufacturing Hub

Established in 2006 in Baoji, Shaanxi—known internationally as "China's Titanium Valley"—Jovzi Titanium Industry Co., Ltd. operates modern machining, fine-blanking, stamping, and forging facilities dedicated to mission-critical titanium components.

Our engineering cadre, comprised of 4 senior metallurgists and 5 intermediate mechanical specialists, ensures tight tolerances down to ±0.01 mm. By capitalizing on Baoji's local sponge reduction furnaces and continuous rolling mills, Jovzi controls end-to-end supply chain costs while enforcing rigorous Western testing protocols.

  • Certified In-House Quality Assurance

    Every shipment is verified through optical emission spectroscopy (OES), ultrasonic flaw detection, and dimensional micro-calipers. Independent third-party test reports issued by the state-authorized BaoTi Test Center are standard on request.

  • Versatile Tooling & Stamping Flexibility

    With proprietary progressive dies and automated high-speed CNC turning lathes, we handle large volume runs exceeding 500,000 units alongside bespoke custom drawing dimensions (custom OD, ID, chamfer radii, and thickness) with rapid tooling turnaround.

  • Global Trade Experience & Multi-Currency Settlement

    Boasting an 81–90% export ratio covering North America, Germany, the UK, Singapore, and Japan. Flexible Incoterms (FOB, CIF, CFR, DDP) and seamless wire payment processing across USD, EUR, AUD, and CNY.

Comprehensive Quality Checklist on Every Batch

We treat every titanium washer as an engineering structural link. Our quality documentation includes:

✔ EN 10204 3.1 MTC
✔ Heat Number Traceability
✔ 100% Optical Flatness
✔ Micro-Vickers Hardness
✔ Deburred Smooth Edges
✔ BaoTi Laboratory Test
✔ Tensile / Proof Load
✔ Cleanroom Vacuum Packing

Need specialized laser marking, exact chamfers, or custom packaging?

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Procurement Knowledge Base

Frequently Asked Questions by Industrial Buyers

Clear, technically rigorous answers addressing specification limits, production leads, custom tolerances, and testing protocols.

Which titanium grades are optimal for standard flat washers vs. spring lock washers?
For general industrial sealing, chemical piping, and standard load distribution (DIN 125A or DIN 9021 large OD flat washers), Commercially Pure Grade 2 titanium is the industry standard due to its excellent ductility, cold blanking yield, and superior resistance to oxidizing media. However, for split spring lock washers (DIN 127B) or conical Belleville spring washers (DIN 6796), Grade 5 (Ti-6Al-4V) is strictly mandatory. Grade 5 delivers a yield strength above 828 MPa and an elastic modulus of ~114 GPa, providing the elastic memory and fatigue endurance necessary to resist permanent flattening under dynamic clamping stress.
How does Jovzi eliminate shearing burrs and internal stresses on stamped titanium washers?
Titanium has a high affinity for work-hardening and tool adhesion during stamping. We utilize ultra-precise tungsten carbide progressive tooling and specialized synthetic pressing lubricants to ensure clean edge breakout. Post-blanking, all washer lots undergo high-energy centrifugal barrel finishing or vibratory ceramic media polishing to round sharp edges and achieve a burr-free surface roughness of Ra ≤ 0.8 μm. For critical aerospace applications, parts undergo vacuum stress-relief annealing to prevent localized distortion before final passivating.
What is your Minimum Order Quantity (MOQ) and sample policy for wholesale procurement?
For off-the-shelf standard DIN 125, DIN 127, and ASME B18.22.1 titanium washers in metric sizes M3 through M24, our standard MOQ starts at 100 to 200 pieces for test lots, with volume pricing tiers up to 100,000+ pieces. Custom CNC-turned or non-standard stamping dimensions can be fabricated from our standard sheet inventory with an MOQ starting from 50 pieces. Standard stock samples are shipped within 24 to 48 hours for engineering qualification.
Can you provide EN 10204 3.1 Mill Test Certificates and third-party inspection data?
Yes. Jovzi provides an EN 10204 3.1 Mill Test Certificate with every export shipment. This certificate specifies the raw vacuum-arc melted heat number, full chemical composition (including interstitial elements C, O, N, H, and Fe), and verified mechanical properties (tensile strength, yield strength, elongation, and hardness). For high-integrity subsea or defense contracts, we routinely arrange witness inspection or independent metallurgical verification via the National Titanium Testing Center (BaoTi Test Center) or international inspection bureaus such as SGS and TÜV.
How does Jovzi prevent galvanic corrosion when titanium washers are mated to steel or aluminum?
Titanium is electrochemically noble (+0.05V vs. standard hydrogen electrode in seawater). When clamped directly against active metals like carbon steel, low-alloy steel, or aluminum in an electrolyte (marine spray, moisture), the adjacent base metal can undergo sacrificial galvanic oxidation. To counter this, our engineering department designs specialized insulating sleeves, supplies dielectric fluoropolymer/PTFE isolation washers, or applies Type II barrier anodization to break the electrical conductive circuit across the joint interface.
What surface finishes, anodizing colors, and custom coatings are available?
We provide diverse surface modifications depending on functional or aesthetic needs. These include mechanical vibratory polishing, micro-glass bead blasting, Type II anti-galling grey anodizing, and electrochemical color anodizing (electric blue, vibrant purple, burnt gold, green, or rainbow) widely utilized in motorsport, bicycle components, and consumer luxury electronics. We also offer physical vapor deposition (PVD) titanium nitride (TiN) gold and DLC (Diamond-Like Carbon) coatings for extreme wear resistance.
What are your standard export lead times and international shipping logistics?
Standard stocked items ship within 3 to 5 business days. Custom stamping or CNC lathe washer orders typically require 12 to 20 days depending on raw strip availability and tooling requirements. Shipments are packed in protective polyethylene bags, shock-absorbent cartons, and seaworthy plywood crates. We offer door-to-door express delivery (DHL, FedEx, UPS) with 3–5 day international transit, alongside air cargo and consolidated sea freight (FOB Shanghai/Qingdao/Tianjin, CIF, or DDP destination ports).

Request a Mill-Direct Quotation for Titanium Washers

Connect with our technical engineering sales desk in Baoji today. Send your exact DIN/ASME standard, custom dimensional prints, metallurgical grade requirements, and target quantity for a detailed quotation within 8 business hours.

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