Explore our top-performing custom engineered systems, turning center capabilities, and precision manufacturing capabilities optimized for severe operational conditions.
In the modern manufacturing landscape, custom brass turning parts stand out for their exceptional mechanical behavior, electrical conductivity, and corrosion resistance. Precision turning centers manipulate brass alloys with absolute precision, delivering components critical to fluid power transmission, electrical connectivities, medical instrumentation, and aerospace structures.
As a premier partner, Shenzhen Xiang Xin Yu Technology Co., Ltd. couples multi-axis CNC machines with profound materials expertise. Our capabilities cover a wide range of brass grades (including free-cutting brass, lead-free brass, and naval brass), meeting strict geometric tolerance requirements down to the micron level. We manage tool geometries, thermal expansion profiles, and chip geometries to prevent built-up edge (BUE) formations, ensuring optimized, long-lasting surface finishes.
Selecting the correct brass alloy is essential to ensure long-term mechanical reliability and cost efficiency. The matrix below displays the typical alloys processed within our Shenzhen production lines.
| Alloy Grade (US / EN) | Copper Content (%) | Lead Content (%) | Machinability Index | Primary Industrial Applications |
|---|---|---|---|---|
| C36000 (Free-Cutting Brass) | 60.0 - 63.0% | 2.5 - 3.7% | 100% (Baseline) | High-volume fasteners, electrical connectors, fittings, valve components. |
| C26000 (Cartridge Brass) | 68.5 - 71.5% | Max 0.07% | 30% | Deep drawn parts, cold-headed components requiring ultimate ductility. |
| C46400 (Naval Brass) | 59.0 - 62.0% | Max 0.20% (Eco) | 50% | Marine hardware, propeller shafts, subsea sensor housings, corrosion-prone fixtures. |
| C69300 (ECO BRASS® Lead-Free) | 73.0 - 77.0% | Max 0.09% | 85% | Potable water installations, consumer electronics, specialized medical electronics. |
| HPb59-1 (Chinese Standard) | 57.0 - 60.0% | 0.8 - 1.9% | 90% | Mass production hardware, electrical switches, hydraulic connectors. |
In wet environments, brass is susceptible to dezincification, where zinc leaches away and leaves a weak copper structure. We utilize specialized hot forging and post-machining annealing techniques to minimize this risk, guaranteeing optimal lifespan in fluid transmission applications.
Brass turning parts subject to tensile stress in damp, ammonia-rich atmospheres are vulnerable to Stress Corrosion Cracking (SCC). We resolve this issue with internal stress-relief thermal cycles, carefully controlling tooling patterns to prevent potential fracture sites.
Whether your application requires electro-plated nickel for superior wear resistance, gold plating for maximum signal integrity, or bright acid-tin coatings, we manage advanced secondary processes to ensure excellent adhesion and tight dimensional stability.
Shenzhen Xiang Xin Yu Technology Co., Ltd. is an enterprise specializing in CNC machining, with many years of industry experience and outstanding technical strength. We are equipped with advanced CNC machine tools and equipment, which can meet the processing requirements of various complex and precise parts. From key components in the aerospace field to high-precision parts in the automotive industry, from fine components in medical equipment to micro-structural parts in the electronics industry, we can provide customers with high-quality products with exquisite craftsmanship and strict quality control.
The company focuses on technological innovation and talent cultivation, and has an experienced and highly skilled professional team. They constantly explore and research new processing techniques and methods to improve production efficiency and product quality. We always adhere to the customer-centered approach, deeply understand customer needs, and provide customers with customized solutions and all-round service support. From order receipt to product delivery, every link is strictly controlled to ensure the timely delivery of high-quality products.
In terms of quality control, we have established a perfect quality management system and strictly manage the purchase of raw materials, production process monitoring and finished product inspection to ensure that each product meets industry standards and customer requirements. In the future, we will continue to uphold the concepts of professionalism, innovation, quality and service, constantly enhance our own strength, provide customers with better CNC machining services, and become a leading enterprise in the industry.
At Shenzhen Xiang Xin Yu Technology, our operational methodology is anchored by values that guarantee quality, efficiency, and reliability for our global partners.
We encourage employees to continuously explore new processing methods and technologies to improve production efficiency and product quality and meet the changing needs of customers.
We pursue excellent quality, strictly control every processing link, and strive for zero defects to provide customers with the best products.
Team members support and collaborate with each other, jointly overcome difficulties, share experiences and knowledge, and form a strong whole.
Establish honest and cooperative relationships with customers and suppliers, keep promises, and treat every business with honesty and fairness.
We are well aware that every product is related to the interests and safety of customers. Therefore, we always maintain a high sense of responsibility and take every job seriously.
Respect the personality and ideas of each employee, provide a good development space for employees, and also respect the needs and opinions of customers.
How Shenzhen's industrial cluster combined with localized warehousing minimizes procurement risks and streamlines global logistics.
Operating in the Shenzhen industrial zone gives us access to a complete supply chain network. Raw material refineries, advanced surface treatment facilities, and international container ports are located within a 50km radius. This geographic concentration reduces lead times by up to 35% compared to other manufacturing hubs.
To mitigate tariff volatility, shipping disruptions, and inventory shortages, we partner with overseas logistics providers to offer localized consignment inventory, safety stocks, and JIT (Just-In-Time) deliveries. This ensures a consistent supply of components regardless of global logistics disruptions.
Our bilingual application engineers offer remote design consultation to optimize parts for CNC turning. By identifying deep blind holes, thin walls, and non-standard threads early in the design stage, we help minimize tool wear, cycle times, and raw material waste.
In a CNC machining company, professional certificates are important criteria for measuring the technical strength of the company and the professional quality of employees. At Shenzhen Xiang Xin Yu Technology, these qualifications represent our ability to execute complex custom designs according to global specifications.
These professional certificates not only represent the individual professional skills of employees but also reflect the overall technical level and quality assurance ability of the company, helping to enhance the company's competitiveness in the market.
Certified direct factory executing complex manufacturing with high traceability.
Custom brass turning parts serve as vital components across a variety of demanding applications. Here is how they function in key sectors:
Used in sensors, fuel injector valves, fluid control ports, and heavy-duty battery terminal connections. Brass provides the electrical conductivity and wear resistance required for high-stress automotive environments.
Coaxial connectors, threaded RF terminals, antenna housings, and contact pins. Non-magnetic brass ensures minimal signal distortion and low insertion losses at microwave frequencies.
Found in gas delivery systems, surgical tool manifolds, orthodontic hardware, and diagnostic equipment. Clean lead-free brass supports sanitization processes and biocompatibility standards.
Used in control instrumentation, non-sparking safety fittings, actuator bushings, and high-altitude wiring assemblies where material structural integrity must remain stable across variable temperatures.
Keeping pace with the advancements in manufacturing technology shape how we turn brass alloys.
Integrated laser micrometer sensors monitor dimensions mid-cycle, feeding adjustments back to the CNC controller. This minimizes thermal drifting during high-volume production runs.
Global regulations are steering demands toward lead-free options. We continuously optimize our machining profiles to turn lead-free brass (e.g., silicon brass) efficiently without compromising tool life.
By combining bar feeders with multi-spindle turning centers, we optimize high-precision throughput, lowering unit costs for large-scale enterprise contracts.
Find answers to common questions about sourcing, tolerances, material selection, and processing custom brass turning parts.
Our CNC turning centers consistently maintain dimensional tolerances within ±0.005 mm (0.0002 inches) under controlled thermal conditions. For specialized internal bores and outer diameters, we can hold tight roundness and concentricity limits as dictated by your technical prints.
We source certified compliant materials from trusted raw material suppliers, providing complete material traceability. For projects that require strict adherence to European regulations, we process lead-free brass alloys, ensuring the lead content remains under the mandated 0.1% threshold.
We provide a variety of surface treatments, including natural raw finishes (Ra 0.8), bead blasting for a matte appearance, passivating, clear lacquer sealing to prevent oxidation, nickel electro-plating, tin plating for solderability, and gold plating for electrical contacts.
We support both low-volume prototyping runs and high-volume production shipments. While typical production MOQs begin at 500 to 1,000 units to optimize setup costs, we accept prototype requests starting from 1 to 10 units for design verification purposes.
Although raw brass is generally more expensive than raw steel, its exceptional machinability rating allows for faster material removal rates. This significantly reduces CNC run times, tool wear, and machine wear. For complex geometries, brass components often yield a lower cost per part than stainless steel counterparts.
Explore our broader manufacturing capabilities, including multi-axis milling, precision turn-mill composite processes, and complex medical device assemblies.
Xiang Xin Yu
