Products
Stainless Steel Cnc Turning Part
Stainless Steel CNC Turning Parts are precision-machined components manufactured from premium stainless steel bars or forgings using advanced CNC turning and Swiss-type machining technologies. Certified under the ISO 9001:2015 quality management standard, our production processes ensure exceptional dimensional accuracy, excellent corrosion resistance, and long-term mechanical reliability.
Features
Product Overview
Stainless Steel CNC Turning Parts are precision-machined components manufactured from premium stainless steel bars or forgings using advanced CNC turning and Swiss-type machining technologies. Certified under the ISO 9001:2015 quality management standard, our production processes ensure exceptional dimensional accuracy, excellent corrosion resistance, and long-term mechanical reliability.
These components are widely utilized in demanding global sectors, including:
• Industrial Automation & Robotics
• Automotive & Transportation
• Medical Devices & Equipment
• Fluid Control, Valves & Pumps
• Food Processing Machinery
• Marine Engineering & Offshore Hardware
• Electronic Instrumentation
We manufacture custom stainless steel turned parts strictly according to customer technical drawings (2D/3D CAD models) or physical samples. From high-precision shafts and bushings to complex threaded fittings, valve internal components, sensor housings, and multi-port connectors, every project follows a standardized, certified manufacturing process designed to deliver consistent, repeatable quality from initial prototype development to high-volume production.
[Material Advantage] According to international standards, stainless steel alloys containing a minimum of 10.5% chromium naturally form a passive, self-healing oxide layer. This chemical barrier guarantees superb corrosion protection in harsh industrial and corrosive environments. Different grades are meticulously selected based on the application's unique requirements for machinability, strength, wear resistance, and chemical exposure.
Product Features
High-Precision Machining with Strict Repeatability
• Precision Tolerance: Our standard machining tolerance is held at ±0.05 mm, with critical features and dimensional tolerances consistently achieved down to ±0.01 mm using state-of-the-art CNC turning centers.
• In-Process Quality Control (IPQC): Consistency across production lots is maintained through real-time tool wear monitoring, active First Article Inspection (FAI), and mid-run coordinate measurements, eliminating dimensional deviations before final packaging.
Premium Material Options with Full Traceability
We offer complete material traceability. Raw material mill test certificates (MTR) are available for every order:
• 303 Stainless Steel: Outstanding machinability tailored for high-speed, high-efficiency production of precision fasteners, shafts, and fittings.
• 304 / 304L Stainless Steel: Industry-standard grade offering superb corrosion resistance and formability, ideal for food processing and general industrial equipment.
• 316 / 316L Stainless Steel: Enhanced with molybdenum for superior resistance to pitting and crevice corrosion in chloride, marine, and highly chemical environments.
• 410 & 420 Stainless Steel: High-carbon martensitic alloys capable of undergoing heat treatment to achieve high hardness and exceptional wear resistance.
• 17-4PH Stainless Steel: Precipitation-hardening alloy delivering an exceptional combination of high mechanical strength, hardness, and moderate corrosion resistance.
Specialized Surface Finishing & Treatments
Surface finishing is customized to match functional and cosmetic engineering requirements:
• Chemical Passivation & Electropolishing: Optimizes the chromium oxide layer for maximum corrosion resistance, decontamination, and a bright, sterile finish (crucial for medical & food industries).
• Mechanical Finishing: Precision sand blasting, glass bead blasting, line polishing, and mirror-polishing to achieve specified Ra values.
• Laser Marking: High-contrast laser engraving of part numbers, logos, QR codes, or batch codes directly on the components for easy traceability.
Technical Specifications
|
Item / Parameter |
Specification Details |
|
Quality Certification |
ISO 9001:2015 Certified Quality Management System |
|
Available Materials |
Aluminum T6, Stainless Steel, Carbon Steel, Brass, Tin brass, Aluminum Bronze, Copper, PEEK, PP, PPS, PTFE, NYLON, ACETAL, BAKELITE, POM... |
|
Machining Operations |
CNC Turning, Swiss-Type Turning, Live-Tool Milling, Boring, Drilling, Threading, Tapping, Knurling |
|
Accuracy |
Machining: +/-0.01mm Turning: +/-0.005 mm Parallelism:+/-0.02mm Verticality: +/-0.01mm Holes: +/-0.04mm Concentricity:+/-0.01mm |
|
Work range |
Machining: 0.1mm-1000mm Turning: 1mm-50mm |
|
Surface Roughness |
Ra 0.8 um to Ra 3.2 um (can achieve Ra 0.4 um with secondary electropolishing/grinding) |
|
Thread Standards |
ISO Metric, UNC, UNF, BSP, NPT, G-Threads |
|
Documentation Supplied |
Material Mill Certificates (EN 10204 3.1), First Article Inspection (FAI) Report, Full Dimensional Inspection Report |
|
Drawing Formats |
STEP, STP, IGES, X_T, DWG, DXF, PDF |
|
Production Volume |
Rapid Prototyping, Low-Volume Pilot Runs, High-Volume Mass Production |
Quality Assurance & Workflow
Reliable quality is systematically engineered into each manufacturing step. As an ISO 9001:2015 certified manufacturer, our standard workflow includes:
• Incoming Material Verification (Spectrometric Analysis)
• Engineering DFM Review (Design for Manufacturability)
• CNC Programming & Setup Optimization
• First Article Inspection (FAI Approval)
• In-Process Quality Control (IPQC every 30 minutes)
• Deburring & Secondary Machining
• Surface Treatment (Passivation/Polishing)
• Final Quality Control (FQC Dimensional Check via CMM)
• Ultrasonic Cleaning
• Protective Anti-Rust Packaging & Final Audit
Packaging, Protection & Logistics
Precision turned parts are highly sensitive to surface scratches, nicks, and thread damage during international transit. We implement standard export-grade protective packaging protocols:
Individual Protection: Parts are packed in individual grid plastic trays, bubble wrap, or protective plastic netting to avoid metal-to-metal contact during shipping.
Environmental Shielding: Anti-rust oil application and desiccant packs are enclosed in vacuum-sealed plastic liners to prevent oxidation during ocean freight.
Rigid Outer Packing: High-strength double-wall corrugated master cartons secured on export-standard non-fumigation wooden pallets with heavy-duty stretch wrapping.
FAQ
Q: Are you certified under international quality standards?
A: Yes. Our manufacturing facility is fully certified under the ISO 9001:2015 quality management system. All raw materials are traceably sourced, and we provide material test certificates (MTR) with every shipment.
Q: What is your standard lead time for prototypes and mass production?
A: Standard prototyping and initial samples are typically completed within 5 to 7 working days. Mass production orders generally require 2 to 3 weeks, depending on part complexity and total batch volume.
Q: How do you guarantee and verify dimensional tolerances?
A: We utilize high-precision Hexagon Coordinate Measuring Machines (CMM), optical profile projectors, and calibrated digital micrometers. A complete First Article Inspection (FAI) report and final dimensional inspection checklist are shipped with the parts.
Q: How do you protect customer intellectual property (IP) and proprietary designs?
A: We strictly adhere to standard Non-Disclosure Agreements (NDAs). All customer 2D drawings and 3D CAD files are stored on secure internal local servers, fully encrypted, and accessible solely by the authorized manufacturing and engineering teams.
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