304 316L Stainless Steel Metal CNC Milling Customization

304 316L Stainless Steel Metal CNC Milling Customization

Product Description

We provide high-precision Custom CNC Milling Services specializing in 304 and 316L Stainless Steel. This service transforms your designs into complex, high-strength, and corrosion-resistant parts with exceptional dimensional accuracy.

Our advanced CNC milling centers, including 3-axis, 4-axis, and 5-axis machines, are equipped with specialized tooling and cooling systems to expertly handle the challenges of machining stainless steel, such as work-hardening and tool wear. We focus on delivering superior surface finishes and tight tolerances for prototypes, functional components, and end-use parts across various demanding industries.

Technical Parameters

The following table details our standard machining capabilities for 304 and 316L stainless steel.

Parameter Category	Specifications & Capabilities
Primary Material	304 Stainless Steel (AISI 304, 1.4301) & 316L Stainless Steel (AISI 316L, 1.4404)
Material Standards	ASTM, DIN, ISO, JIS, GB, or as per customer requirement
Key Material Properties	304: Excellent corrosion resistance, good formability and weldability. 316L: Superior corrosion resistance (especially to chlorides/acids), excellent weldability.
Standard Machining Tolerance	± 0.025 mm (± 0.001")
High-Precision Tolerance	Down to ± 0.012 mm (± 0.0005") achievable, subject to part design
Standard Surface Roughness (Ra)	3.2 μm (125 μin)
Fine Surface Roughness (Ra)	0.8 μm (32 μin) to 0.4 μm (16 μin) achievable
Maximum Part Size (Sample)	600 mm x 500 mm x 300 mm (23.6" x 19.7" x 11.8")
Available Surface Finishes	Mechanical: Brushing, Mirror Polishing, Sandblasting, Bead Blasting Chemical: Passivation, Electropolishing Coatings: Powder Coating, PVD Coating
File Formats Accepted	3D Models: STEP, IGS, X_T, SLDPRT, PRT 2D Drawings: PDF, DWG, DXF (with critical dimensions and tolerances)
Quality Assurance	First Article Inspection (FAI), In-process checks, Final Inspection with Calipers, Micrometers, and CMM (Coordinate Measuring Machine)

Product Applications

CNC milled 304 and 316L stainless steel parts are ideal for applications requiring durability, hygiene, and resistance to harsh environments.

Industry	Specific Applications
Medical & Surgical	Surgical instrument handles, equipment housings, biopsy tube components, surgical tool chassis, implant trial components.
Food & Beverage Processing	Mixing blades, valve bodies, pump components, conveyor parts, filling nozzle assemblies, sanitary fittings.
Marine & Offshore	Boat fittings, sensor housings, communication equipment brackets, components for saltwater environments.
Chemical & Pharmaceutical	Process vessel fixtures, pipe fittings, small batch reactor parts, lab equipment stands.
Semiconductor Manufacturing	Wafer handling fixtures, vacuum chamber parts, cleanroom-compatible brackets and plates.
Architecture & Design	Decorative elements, custom hinges, high-end appliance parts, architectural hardware.

Dongguan Yue Lin Sen Metal Technology Co., Ltd. has passed the GB/T 19001-2016/ISO 9001:2015 quality management system certification and the GB/T 42061-2022/ISO 13485:2016 medical device quality management system certification. It specializes in the research and production of non-standard metal medical instrument precision parts as its main machining metal products. The company owns dozens of high-precision engraving lathes and CNC equipment, as well as a 100,000-grade dust-free workshop for medical accessory processing. This includes CNC lathes, precision milling, lathe-milling compound machines, and spindle machines for processing long-axis medical devices. Precision laser cutting of stainless steel capillary tubes for medical snake bone products, stainless steel thin-walled tubes, and capillary tubes, including secondary processing such as capillary tube tapering, capping, bending, and stamping. Main materials include stainless steel capillary tubes, titanium alloy, copper, aluminum, plastic, and alloy metals for non-standard processing and customization. Widely used in electronics, electrical appliances, medical instruments, automotive parts, transportation, and other industries. The company has gained industry recognition with its commitment to 'quality first, honest operation,' focusing on prototype and bulk production of non-standard parts, supporting custom designs from provided drawings and samples. The process is stable and efficient, integrating trade and manufacturing for quick delivery, ensuring quality with craftsmanship spirit, offering great value without intermediaries. The company adheres to a customer-first, quality-first, continuous improvement, and win-win cooperation business philosophy, providing reliable after-sales service.