Custom CNC machining TA2 titanium alloy parts in China

Precision Machining Built Around Titanium TA2

From one-off prototypes to medium-volume production, every part is machined to your drawings with full material traceability.

For engineering teams and procurement managers sourcing custom CNC machining titanium TA2 alloy parts in China, the critical factors are material authenticity, dimensional consistency, and a shop that understands how titanium behaves under the cutting tool. We focus exclusively on high-precision CNC machining of titanium and related reactive metals, with dedicated machining cells, sharp carbide tooling, rigid fixturing, and high-pressure coolant delivery engineered specifically for titanium.

Our facility handles the complete manufacturing chain in-house: material cutting, CNC milling and turning, threading, EDM, surface finishing, and dimensional inspection. We work from your 3D models and 2D drawings, hold tight tolerances on critical features, and package every order to protect machined surfaces during international shipment.

Why Titanium TA2 Is Specified Across Industries

Commercially pure titanium TA2 balances corrosion resistance, strength, ductility, and weldability in a single engineering material.

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Outstanding Corrosion Resistance

TA2 forms a dense, self-healing titanium dioxide (TiO₂) surface layer that resists seawater, chlorides, oxidizing acids, alkalis, and most organic media. This makes it the material of choice for chemical reactors, heat exchangers, desalination equipment, and offshore hardware where stainless steels would suffer pitting or crevice corrosion.

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High Strength-to-Weight Ratio

With a density of only 4.51 g/cm³ and a minimum tensile strength of 345 MPa, TA2 delivers structural performance at roughly 60% of the weight of carbon steel. This weight advantage directly reduces fuel consumption in aerospace and automotive applications and lowers installed mass in rotating and reciprocating machinery.

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Proven Biocompatibility

Unalloyed titanium TA2 is non-toxic, non-magnetic, and biologically inert. It does not elicit adverse tissue response and is widely used for surgical instruments, orthopedic and dental implant components, medical device housings, and food-contact processing equipment where human safety and cleanability are non-negotiable.

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Good Formability and Weldability

Compared with higher-strength alpha-beta titanium alloys such as Ti-6Al-4V, commercially pure TA2 offers superior ductility, cold formability, and weldability. It can be brake-formed, deep-drawn, and welded with GTAW/TIG under proper inert-gas shielding, simplifying the fabrication of complex sheet and tubular assemblies.

TA2 Material Specifications

Typical chemistry and annealed mechanical properties for commercially pure titanium TA2 / Grade 2.

Chemical Composition (wt %, maximum unless noted)

Titanium (Ti)Balance
Iron (Fe)0.30 %
Oxygen (O)0.25 %
Carbon (C)0.08 %
Nitrogen (N)0.03 %
Hydrogen (H)0.015 %
Other elements (each)0.10 %
Other elements (total)0.40 %

Mechanical & Physical Properties (annealed, typical)

Density4.51 g/cm³
Tensile strength (min)345 MPa
Yield strength (min)275 MPa
Elongation (min)20 %
Elastic modulus105 GPa
HardnessHB 160 – 200
Melting point1668 °C
Thermal conductivity16.4 W/(m·K)
Thermal expansion8.6 × 10⁻⁶ /°C

Global Grade Equivalents for Titanium TA2

TA2 is known by different designations under national and international standards. The table below maps the most commonly referenced equivalents.

Region / Standard Body	Standard Number	Grade Designation	UNS / Additional Reference
China	GB/T 3620.1	TA2	Commercially pure titanium, Grade 2 equivalent
United States	ASTM B348 / B265 / B337 / B338 / B863	Grade 2	UNS R50400
Japan	JIS H4600	TP340	Minimum tensile strength 340 MPa class
International	ISO 28401 / ISO 5832-2	Ti2 / Grade 2	Unalloyed titanium, second strength grade
Russia	GOST 19807-91	VT1-0	Commercially pure titanium, comparable strength level
European Union	EN standards (often aligned to ASTM)	Ti-G2 / Grade 2	Material test report per EN 10204 when requested

Exact designation and property limits can vary by product form (bar, plate, sheet, tube, wire, forging). Always confirm the applicable standard, grade, and product form with your engineering team before specifying custom CNC machining titanium TA2 alloy parts in China.

In-House CNC Machining Capabilities

A complete machining chain under one roof, from roughing to final surface finishing and inspection.

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Multi-Axis CNC Milling

3-axis, 4-axis, and 5-axis vertical machining centers produce complex pockets, 3D contoured surfaces, angled features, and prismatic geometry with high repeatability. Dedicated titanium cells use rigid machine frames and sharp carbide tooling to minimize work hardening and tool wear.

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CNC Turning

Precision CNC lathes and turning centers manufacture rotational parts such as shafts, sleeves, bushings, flanges, valve bodies, and threaded connectors. Live-tooling lathes combine turning with secondary milling and drilling operations in a single setup for improved concentricity.

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Threading & Tapping

Internal and external threads are produced to NPT, NPTF, BSPT, BSPP, metric (M), unified coarse/fine (UNC/UNF), and custom profiles. Thread depth, pitch diameter, and flank fit are verified with thread ring and plug gauges, and taper threads are checked with sealing-class gauges where required.

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Drilling & Boring

Capabilities include conventional drilling, deep-hole gun drilling, counterboring, spot-facing, and precision boring for holes with tight diameter and positional tolerances. Cross-holes, angled holes, and intersecting bore features are programmed with proper chip evacuation and coolant-through tooling.

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EDM & Wire Cutting

Sinker (ram) EDM and wire EDM produce intricate internal cavities, sharp internal corners, keyways, splines, and fine features that conventional milling cannot reach. Wire EDM is especially useful for high-hardness titanium and for cutting complex profiles with a fine surface finish and minimal heat-affected zone.

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Surface Finishing

Standard as-machined finish is Ra 1.6 to Ra 3.2 μm, with fine machining down to Ra 0.8 μm. Secondary operations include mechanical polishing, mirror polishing, glass-bead blasting, anodizing, passivation, and chemical cleaning. Finishing specifications are documented and verified with a surface roughness tester.

Our Machining Process

A controlled, four-stage workflow that protects dimensional accuracy and material integrity from drawing review to final shipment.

1

Drawing Review & DFM

Our machining engineers review your 3D model and 2D drawing, identify tight-tolerance features, thin walls, deep pockets, and thread specifications, and provide design-for-manufacturability feedback before any material is cut.

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Material Preparation

TA2 titanium bar, plate, or tube is cut to blank size. The heat number, lot number, and material test report are recorded at receiving, and the identity is carried through every operation so each finished part remains fully traceable.

3

CNC Machining

Programmed CNC operations run on dedicated titanium machining cells using sharp uncoated or AlTiN carbide tooling, rigid custom fixturing, and high-pressure flood coolant to control cutting-edge heat, reduce galling, and extend tool life.

4

Inspection & Finishing

Each part undergoes dimensional verification with coordinate measuring machines (CMM) and calibrated hand gauges, surface finish measurement, and optional secondary finishing. Accepted parts are individually wrapped, packed with protective dividers, and prepared for shipment.

Industries and Applications

TA2 titanium components are found wherever corrosion resistance, light weight, and biocompatibility drive the material selection.

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Chemical Processing

Reactor internals, heat exchanger tubes and tubesheets, valve bodies, pump housings, agitators, and piping systems exposed to acids, chlorides, and corrosive process media.

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Marine & Offshore

Shipboard fasteners and hardware, underwater connectors, propeller shafts, rudder components, desalination plant parts, and offshore platform fittings in continuous seawater service.

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Aerospace

Structural brackets, clips, and fittings, engine accessory components, hydraulic and pneumatic system parts, ducting, and fasteners where weight savings and fatigue resistance are critical.

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Medical & Dental

Surgical instruments, implant components, orthopedic hardware, dental abutments and implants, medical device housings, and sterilizable tooling requiring biocompatible surfaces.

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Automotive & Motorsport

Exhaust systems and mufflers, suspension components, valve retainers, connecting rods, wheel fasteners, and performance hardware where reduced rotating and reciprocating mass improves response.

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Energy & Power

Gas and steam turbine components, generator hardware, geothermal equipment parts, nuclear waste handling fixtures, and renewable energy system structures exposed to the elements.

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Food & Pharmaceutical

Processing equipment, mixing and blending vessels, filling machine components, sanitary fittings, valves, and pump parts requiring clean, non-reactive, and easily sanitized surfaces.

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Sporting & Consumer

Bicycle frames and components, golf club heads and shafts, diving and underwater equipment, camera and optical hardware, and high-end consumer products where light weight and premium finish are valued.

Tolerance and Surface Finish Capabilities

Representative capabilities for precision-machined titanium TA2 components. Feature-specific tolerances are confirmed during drawing review.

Dimensional Tolerances

General tolerance±0.05 mm
Precision tolerance±0.01 mm
High-precision (feature-dependent)±0.005 mm
Position (typical)±0.01 mm
Concentricity0.005 – 0.02 mm
Flatness (per 100 mm)0.005 – 0.01 mm
Cylindricity0.005 – 0.015 mm
Metric thread tolerance6H / 6g
Unified thread tolerance2A / 2B

Surface Finish Options

As-machined (standard)Ra 1.6 – 3.2 μm
Fine machinedRa 0.8 μm
Mechanical polishRa 0.2 – 0.4 μm
Mirror polishRa ≤ 0.05 μm
Glass-bead blastUniform matte
Anodizing (Type II / III)Color options
PassivationChemical clean
ElectropolishUltra-smooth, corrosion-enhanced

Representative Machined Products

A selection of custom CNC machining titanium TA2 alloy parts in China, produced for customers across fluid handling, power transmission, and general engineering.

Custom CNC machined titanium flange and pipe

Flange & Pipe

Pipe Connector

Threaded Pipe Fittings

Titanium cycloid reducer component cycloidal disk

Cycloid Reducer Components

Frequently Asked Questions

Common questions from buyers evaluating custom CNC machining titanium TA2 alloy parts in China.

QWhat is the minimum order quantity for custom CNC machining titanium TA2 alloy parts in China?

We accept orders ranging from a single prototype piece to medium-volume production runs. The practical minimum depends on part complexity, material form (bar, plate, tube), and setup requirements. Simple turned or milled parts can often be quoted for one piece, while complex multi-operation parts may carry a setup charge that makes small runs less economical per unit.

QWhat drawing and file formats do you accept?

We accept STEP (.stp / .step), IGES (.igs), STL, DWG, DXF, and PDF drawings. A 3D solid model (STEP preferred) together with a 2D drawing that clearly marks critical dimensions, geometric tolerances, surface finish callouts, and thread specifications yields the fastest and most accurate quotation. If only a sketch or sample part is available, we can work from that as well.

QCan you hold tight tolerances on titanium TA2 parts?

Yes. Our standard precision tolerance is ±0.01 mm, and on select features we can hold ±0.005 mm using CMM-verified machining and inspection. Titanium has a lower elastic modulus than steel, so thin-wall and slender features require careful fixturing, sharp tooling, and light finishing passes to avoid deflection. These factors are evaluated during drawing review, and achievable tolerances are confirmed before production starts.

QHow do you ensure the titanium material is genuine TA2?

We source TA2 titanium from established mills and retain the material test report for every heat and lot. Each raw material batch is labeled with its heat number at receiving, and that identity is carried through cutting, machining, and inspection so every finished part remains traceable to its original mill documentation. Material test reports and heat traceability records can be included with your shipment when requested.