Manufactured from aerospace-certified titanium bar stock, our precision fasteners and rotary components undergo calibrated hot/cold forging, rolled threading, and automated optical gauging to meet strict Indonesian industrial tolerances.
Cold-forged oval head profile with rolled M5/M6 threads. Engineered to resist extreme shear during steep downhill descents in Lembang and Cikole cycling tracks.
Titanium forged flexspline and high-ratio wave generator core for zero-backlash precision robotics, automation arms, and Bandung aviation test jigs.
Multi-stage hot forged 12-point flange heads providing maximum torque transmission without slippage for high-displacement racing bikes in Cimahi.
Integral washer-face geometry distributes clamping force across engine cases, calipers, and suspension linkages while lowering un-sprung mass by 44%.
Electrochemical oxide conversion produces stable, non-fading iridescent hues without modifying component thickness or compromising flat load seating.
Micro-machined socket pockets combined with cold-rolled stem threads deliver reliable torque retention on lightweight carbon fiber handlebars and seatposts.
Heavy-duty CNC forged oil fill and drain plugs tailored for underbone sport racing platforms across West Java workshops, fully immune to high engine oil heat.
DIN 912 dimensional tolerance standard with rolled threads that exceed standard ISO 898-1 Class 10.9 fastener fatigue limits by more than 35%.
Procurement engineers in Bandung's high-stress manufacturing sectors often face a critical design decision: whether to specify subtractive CNC-machined titanium parts directly from round bar stock, or to invest in closed-die near-net-shape forged titanium blanks followed by precision secondary machining. At Jiaxing Wexra Titanium Products Co., Ltd., our hot die-forging processes operate within controlled thermal windows between 900°C and 960°C (sub-transus α+β phase fields). This thermomechanical processing creates continuous, uninterrupted grain flow along the geometric contours of the fastener head, flange, and shank transition fillets.
Unlike purely subtractive machining—which indiscriminately cuts through the natural crystalline grain boundaries of billet stock and introduces macroscopic stress risers—our forged titanium parts redirect the grain boundaries parallel to applied tensile, shear, and bending stress vectors. The outcome is a 30% to 45% increase in high-cycle fatigue life (HCF) and superior notch fracture toughness (>65 MPa·m½). For critical aerospace linkages used by regional assemblers or extreme motorcycle suspension pivots running on West Java's high-vibration arterial circuits, forged titanium components eliminate the catastrophic fatigue failure risks commonly found in lower-cost, bar-turned alternatives.
Furthermore, Wexra incorporates cold thread-rolling on all critical fastening hardware. Cold rolling induces compressive residual stresses into the thread roots (typically measuring between -300 MPa to -500 MPa), inhibiting fatigue crack initiation during sustained cyclic loading. Our automated optical vision inspection systems verify thread pitch diameters and root radii against DIN 13-1 and ASME B1.1 standards with 100% lot coverage.
Technical comparative benchmark for Bandung engineering and procurement teams assessing weight-saving, corrosion survivability, and mechanical yield performance.
| Alloy / Material Class | Density (g/cm³) | Tensile Yield (MPa) | Specific Strength (kN·m/kg) | Corrosion Resistance | Modulus of Elasticity (GPa) |
|---|---|---|---|---|---|
| Ti-6Al-4V (Grade 5 / TC4) | 4.43 | 828 - 910 | 205 (Superior) | Immune to chlorides, sour gas, sea salt | 114 (High compliance / anti-shock) |
| Grade 2 Unalloyed (CP Titanium) | 4.51 | 275 - 345 | 76 (Moderate) | Outstanding in aggressive acidic media | 105 (Chemical piping / low weight) |
| Structural Alloy Steel 10.9 (40Cr) | 7.85 | 940 - 1040 | 132 (Dense) | Poor (Requires zinc, nickel, or Dacromet) | 210 (Rigid / high weight penalty) |
| Stainless Steel 316L (A4-80) | 8.00 | 600 - 800 | 95 (Low specific) | Moderate (Pitting risk in warm chlorides) | 193 (High galling propensity) |
| Aerospace Aluminum 7075-T6 | 2.81 | 460 - 505 | 180 (Good) | Subject to galvanic & stress corrosion | 72 (Low fatigue endurance limit) |
Bandung is not merely a trading city; it is Indonesia's center of high-technology aeronautics, top-tier mountain biking trail centers, high-performance automotive tuning culture, and geothermal generation plants.
Home to PT Dirgantara Indonesia (PTDI) and aviation academic programs at ITB, the Bandung aerospace corridor demands certified AMS 4928 and ASTM B381 titanium forged fittings, brackets, and harmonic drive wave generator parts. Our precision tolerances (±0.01 mm) and rigorous vacuum degassing lower hydrogen levels below 0.005%, preventing hydrogen embrittlement in safety-critical wing spar and avionics mounting fixtures.
Surrounded by active volcanic geothermal fields (Kamojang, Wayang Windu, and Darajat), West Java requires valve stems, thermowells, and forged flange bolts that survive volcanic steam rich in H2S, CO2, and wet chlorides. Wexra Grade 2 and Grade 5 forged titanium parts form an impermeable, self-healing rutile (TiO2) oxide layer that provides complete immunity to stress corrosion cracking where stainless steels fail within months.
Bandung’s elevated terrain attracts Southeast Asia’s most dedicated downhill and enduro cycling culture (Cikole, Jayagiri), alongside a flourishing automotive racing scene in Cimahi. Wexra supplies custom burnt-blue anodized and PVD-coated disc brake fasteners, titanium thru-axles, and forged 12-point motorcycle flange bolts to local speed shops, significantly reducing rotational inertia while surviving intense mud and monsoon humidity.
Strategic shifts in Indonesian industrial policies are fueling strong demand for lightweight titanium forgings and advanced alloy manufacturing.
Our integrated production facility houses closed-die forging presses, multi-axis CNC turning and milling centers, thread-rolling units, and surface modification lines under an audited ISO 9001:2015 management system.
Multi-axis turning and milling machinery maintaining ±0.01 mm tolerances for aerospace fasteners, harmonic drive wave generators, and custom Bandung OEM parts.
Multi-station closed-die forging presses combined with dedicated cylindrical thread rollers to eliminate micro-cracking and ensure optimal grain flow alignment.
In-house vibratory polishing, micro-sandblasting, PVD vacuum coating, and high-precision laser/optical thread profile comparators.
Every titanium forged component shipped to Indonesia complies with global environmental, safety, and metallurgical standards.
Key commercial, technical, and logistics considerations for purchasing managers sourcing titanium parts in West Java.
Whether you require high-tensile Gr5 disc brake screws, titanium harmonic drive assemblies, or custom closed-die forgings for West Java's aerospace, energy, and motorsport applications, our engineering staff is standing by to evaluate your specifications.