GR5 / Ti-6Al-4V
895+ MPa
GR5 Tensile Strength
44%
Weight Reduction vs Steel
≤ 1 Hour
Direct Engineering RFQ Reply
100%
Ultrasonic Tested (AMS 2631)
Factory Precision Components
Titanium Rods & CNC Fastener Solutions
Direct from Baoji titanium manufacturing bases to the Port of Tanjung Perak, Surabaya. Our mill delivers mill-annealed titanium rounds, bar stock, and custom CNC high-tensile hardware.
Flat Countersunk
Full Thread M4
PVD Anti-Vibration
Thermal Exhaust
Heavy-Duty M12
CNC Precision Turned
Drilled Safety Wire
East Java Heavy Industry Analysis
Titanium Rod Applications in Surabaya's Industrial Ecosystem
Surabaya serves as Indonesia's prime maritime gateway and the second-largest manufacturing cluster. Discover how specialized Grade 2 pure titanium and Grade 5 Ti-6Al-4V titanium bars resolve severe environmental challenges across local sectors.
In the tropical coastal atmosphere of East Java, where maritime humidity and chloride salinity rapidly degrade standard 304 and 316 stainless steels, Navzo ASTM B348 Grade 2 and Grade 5 titanium rods form a virtually indestructible passive titanium dioxide (TiO2) protective surface layer. Our mill supplies solid round bars, threaded tie-rods, and precision ground billets to leading engineering plants across SIER (Surabaya Industrial Estate Rungkut), Ngoro Industrial Park (NIP), and the marine repair corridors of the Madura Strait.
Shipbuilding & Marine Shafting
Shipyards concentrated in Tanjung Perak and Gresik require ASTM B348 Grade 5 bars for propulsion shaft sleeves, marine rudder pins, sonar domes, and subsea pump shafts. Zero pitting in stagnant seawater ensures decades of service without galvanic breakdown.
Petrochemical & Refinery Valves
Refineries along the East Java coastal belt depend on high-pressure titanium round bar stock to machine valve stems, flowmeter spindles, and thermowells operating under high sulfur sour gas (H2S) and acidic wet chlorine exposures.
Thermal Desalination & Power
Thermal power generators and coastal desalination units in East Java deploy Commercially Pure Grade 2 titanium bars for tubesheet tie-rods and baffle supports, preventing stress corrosion cracking in boiling brine conditions.
Automotive & Racing Engineering
Surabaya's thriving motorsport and aftermarket fabrication shops utilize Ti-6Al-4V titanium center rods to machine custom lightweight valvetrain retainers, suspension links, and heavy-duty wheel studs that shed rotating mass.
Electroplating & Chlor-Alkali Anodes
Surabaya industrial finishing and surface treatment facilities require certified CP Grade 1 and Grade 2 titanium busbars, hanger rods, and MMO-coated substrate bars for dimensionally stable anodes (DSA), cutting electrical resistance while remaining chemically inert.
Material Selection Whitepaper
Engineering Metallurgy: Titanium vs Stainless & Duplex
A direct mechanical and electrochemical property benchmark to guide procurement officers in Surabaya between Marine SS316L, 2205 Duplex, and Navzo Titanium Alloys.
| Alloy Specification | Density (g/cm³) | Tensile Strength (MPa) | Yield Strength (MPa) | Chloride Pitting Resistance (CPT) | Surabaya Marine Usability |
|---|---|---|---|---|---|
| Navzo GR5 Titanium (Ti-6Al-4V) | 4.43 | 895 - 1050 | 828 | Immune (>100°C Seawater) | Optimum Performance |
| Navzo GR2 Pure Titanium | 4.51 | 345 - 480 | 275 | Immune (Amb. Seawater) | Optimum Chemical |
| Duplex 2205 (UNS S32205) | 7.80 | 655 | 450 | Moderate (Critical at >35°C) | Heavy / Vulnerable |
| Stainless 316L (UNS S31603) | 8.00 | 485 | 170 | Poor (Crevice Corrosion in Brine) | High Maintenance |
*Standards conform to ASTM B348, AMS 4928, and ASME Section II Part B. Chemical composition analysis and 3.1 Mill Test Certificates are provided with each Surabaya freight container.
Economic & Sourcing Outlook
Market Trends: Titanium Rod Demand Across Surabaya
Analyzing East Java's transition from legacy corrosion alloys to premium titanium raw materials through 2025–2030.
Three dominant procurement patterns are actively reshaping raw material acquisition for manufacturing directors in East Java:
1. Nearshore Inventory De-risking
Due to maritime shipping fluctuations via Singapore and the Malacca Strait, engineering workshops in Surabaya prioritize mills that guarantee fast CIF Tanjung Perak shipping schedules, fixed raw billet pricing, and reliable mill lead times under 14 days.
2. TKDN & Global Spec Compliance
With state-backed projects requiring rigorous traceability, purchasing agents reject unverified re-melt bar stock. Navzo supports Indonesian tier-1 contractors with full traceability back to virgin Baoji titanium sponge, eliminating sub-surface void risks.
3. Precision Centerless Ground Demands
To shorten local CNC turning cycles in Rungkut machine shops, demand has shifted toward h7 to h9 diameter tolerance peeled and polished round bars, enabling direct automated feeding into Swiss-type lathe machinery without extra prep.
Direct Baoji Manufacturer Advantages
Why Indonesian Procurement Trusts Navzo
Established in 2011 on Yucai Road, High-tech Development Zone, Baoji, Shaanxi, China—the world-renowned 'Titanium Valley'. We combine primary melt resources with advanced CNC machining capabilities.
01
100% Traceable Sponge Source
Located at the epicenter of China's titanium supply chain, our raw ingots are melted via vacuum consumable arc furnaces (VAR), guaranteeing zero chemical segregation and providing authentic EN 10204 3.1 MTRs.
02
Integrated CNC Machining Base
From raw rod peeling, cold heading, and hot rotary forging to 5-axis CNC turning and centerless grinding, all manufacturing operations are performed under ISO 9001 quality controls under one roof.
03
Class-Leading Machining Tolerances
Our precision centerless grinding machines achieve external diameter roundness within ±0.005mm (h6/h7/h8/h9), ensuring superior straightness without residual thermal stresses.
04
Certified Quality Verification
Every batch of titanium rod destined for Surabaya undergoes 100% Ultrasonic Testing (UT) conforming to AMS 2631 Class A/AA, coupled with PMI spectrographic chemical checks before export clearance.
05
1-Hour Direct Engineering Response
No delays with intermediary trading agents. Our senior metallurgical and mechanical engineering team reviews AutoCAD, STEP, or PDF inquiry drawings and returns commercial offers within 60 minutes.
06
Flexible MOQ & Custom Slicing
Whether your project requires 100 kg test billets for prototype marine propellers or 20 metric tons of commercial titanium bar stock, we offer custom band-saw cutting to target lengths.
Procurement Guidance
Frequently Asked Questions by Surabaya Buyers
Clear, expert technical answers addressing customs clearance, material selection, galling prevention, and logistics to East Java.
How long does ocean freight take from your mill to Tanjung Perak, Surabaya?
Ocean freight from Qingdao or Shanghai port directly to Tanjung Perak (Surabaya) typically requires 12 to 16 days transit time. Air courier express (DHL/FedEx/Air Freight via Juanda International Airport SUB) is available for urgent rod stock or fastener samples within 3 to 5 business days.
Which grade should we select for high chloride seawater pumps: GR2 or GR5?
For maximum corrosion immunity without extreme mechanical load, Commercially Pure Grade 2 is the most cost-effective choice. If high rotational torque, bending resistance, and fatigue strength are demanded (such as drive shafts or marine studs), Grade 5 (Ti-6Al-4V) is mandatory, providing an 895 MPa minimum tensile strength.
Do you provide authentic Mill Test Certificates (MTR) for Indonesian customs?
Yes. Every export shipment includes full EN 10204 3.1 inspection documentation showing chemical composition (O, N, C, H, Fe, Ti balance), mechanical tensile, yield, elongation data, and non-destructive ultrasonic testing results. Third-party testing via SGS or TÜV can be arranged upon request.
How do we prevent thread galling when installing titanium fasteners in Surabaya workshops?
Titanium has a naturally high coefficient of friction that can cause cold-welding or galling under high-torque assembly. We advise using anti-seize lubricants (molybdenum disulfide or nickel-based paste), keeping rotational assembly speeds below 30 RPM, or selecting our PVD-coated / anti-loosening nut configurations.
Can you provide custom centerless ground titanium bars to tight tolerances?
Yes. Beyond standard hot-rolled peeled bars, we operate precision centerless grinding lines providing h7, h8, and h9 diameter tolerances, with lengths up to 6000mm and surface roughness as fine as Ra ≤ 0.4 μm, ideal for automatic Swiss CNC screw machine feeds.
What are the accepted commercial trade terms for Indonesian enterprises?
We support standard Incoterms 2020 including FOB China Ports, CIF Tanjung Perak (Surabaya), and CFR terms. Flexible payment structures include Wire Transfer (T/T) and Irrevocable Letters of Credit (L/C at sight) for verified enterprise contracts.
Accelerate Your Titanium Sourcing in Surabaya
Direct factory pricing from Baoji, comprehensive metallurgical traceability, and rapid container delivery to East Java. Submit your custom drawings, ASTM specifications, or quantity requirements for an instant engineering assessment.