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Custom CNC - Machined Stainless Steel Welding Tubes For Air Detection Components

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Custom CNC - Machined Stainless Steel Welding Tubes For Air Detection Components

Brand Name : Qingdao Sande Tech Co.,Ltd

Model Number : OEM

Certification : ISO, DIN, AISI, ASTM, BS, JIS, etc.

Place of Origin : Qingdao, China

MOQ : 1000

Price : $0.5-2

Payment Terms : D/P,T/T,Western Union

Supply Ability : 10000PCS/month

Delivery Time : 30 days

Packaging Details : Wooden case

Materials : Hot dip galvanized steel

Feature : High Precision

Color : Silver

Packingour Request : wooden box

Lead Time : 30-45 days

Dimensions : depends on customer's requirements

Durability : long-lasting

Package : Wooden box

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Custom CNC - Machined Stainless Steel Welding Tubes For Air Detection Components


Overview
Our precision-engineered stainless steel tubes are specifically designed and manufactured for integration into critical air detection systems. Through advanced CNC machining processes, we deliver custom tubular components that meet exact specifications for dimensional tolerances, surface finish, and weldability. These tubes are the essential foundation for building reliable, leak-proof, and durable air sampling, pneumatic conveyance, and sensor housing assemblies.


Key Features & Benefits
  • Ultra-Precision CNC Machining: Each tube is machined to exacting tolerances (±0.01mm or as specified), ensuring perfect fitment and alignment within your assembly. This eliminates flow turbulence, preserves sample integrity, and prevents leaks in critical air paths.

  • Superior Material Properties: Fabricated from high-grade stainless steel (304, 316, or 316L upon request), our tubes offer outstanding corrosion resistance, able to withstand moisture, aggressive chemicals, and varying environmental conditions without contaminating the air sample.

  • Optimized for Welding & Fabrication: The ends and connection points are precision-machined to facilitate clean, strong, and consistent welds. This ensures structural integrity and a perfect hermetic seal, which is paramount for maintaining system pressure and preventing false readings in detection equipment.

Ideal For Integration Into
  • Gas & Air Analysis Sensors

  • Industrial Air Quality Monitoring Systems

  • Pneumatic Sampling Lines and Probes

  • Emission Stack Testing Equipment

  • Medical Gas Detection Devices

  • Laboratory Analytical Instrumentation

Product parameters


Parameter Category Specification Details Notes
Primary Material Stainless Steel 316L / 316 Grade 304 available on request.
Standard Outer Diameter (OD) 3 mm to 50 mm Custom diameters outside this range are available.
Standard Inner Diameter (ID) 1 mm to 45 mm Tight control over ID for precise flow characteristics.
Wall Thickness 0.5 mm to 5.0 mm Dependent on OD/ID ratio and application strength requirements.
Standard Length 10 mm to 1000 mm Longer continuous lengths or specific cut pieces available.
Dimensional Tolerance ±0.01 mm (ID/OD) ±0.05 mm (Length) Tighter tolerances achievable for critical applications.
Concentricity ≤ 0.02 mm Ensures uniform wall thickness for optimal welding and performance.
Surface Finish (External) Ra ≤ 0.8 µm (Mechanical Polish) Standard. Can be polished to Ra ≤ 0.4 µm (Mirror Finish).
Surface Finish (Internal) Ra ≤ 1.6 µm (Reamed) Critical for minimizing turbulence and particulate adhesion.
End Configuration Square-cut, Deburred Standard. Can be machined with chamfers, grooves, flanges, or threads.
Weldability Excellent Designed for seamless TIG (GTAW) and Laser welding.
Certification Material Certificates 3.1 (EN 10204) RoHS Compliant. Certifications provided upon request.
Key Application Air/Gas Sampling Probes, Sensor Housings, Pneumatic Manifolds, Fluidic Paths
Packaging Anti-static bags, Individual foam cradles, Sealed boxes

Custom CNC - Machined Stainless Steel Welding Tubes For Air Detection Components

Custom CNC - Machined Stainless Steel Welding Tubes For Air Detection Components

Custom CNC - Machined Stainless Steel Welding Tubes For Air Detection Components

Custom CNC - Machined Stainless Steel Welding Tubes For Air Detection Components

Frequently Asked Questions (FAQ)

Product: Custom CNC-Machined Stainless Steel Welding Tubes

Q1: What makes your stainless steel tubes suitable for critical air detection components?
A: Our tubes are precision CNC-machined from high-grade stainless steel (typically 316L) to hold extremely tight tolerances (±0.01mm). This ensures a perfect fit, eliminates internal turbulence that could trap samples, and provides an ideal surface for achieving a hermetic weld. The corrosion-resistant material prevents contamination of sensitive air samples, which is paramount for accurate detection and analysis.

Q2: Which stainless steel grade do you recommend and why?
A: We highly recommend 316L stainless steel for most air detection applications. Its superior corrosion resistance, particularly against chlorides and acids, makes it ideal for harsh environments. It also has excellent weldability and low carbon content, minimizing the risk of carbide precipitation in the heat-affected zone (HAZ), which can lead to corrosion. Grades 304 and 303 are available for less demanding applications.

Q3: How do you ensure the internal surface finish is suitable for sensitive air flow?
A: The internal bore is meticulously reamed and polished to a standard surface finish of Ra ≤ 1.6 µm or better. This ultra-smooth finish minimizes surface area, preventing particulate adhesion and moisture retention, which ensures the sample air stream remains uncontaminated and flow characteristics are consistent and predictable.

Q4: What file formats do you accept for custom quotes?
A: We accept 2D drawings (PDF, DWG, DXF) and 3D models (STEP, IGS, SLDPRT, X_T) for quoting. Please ensure that all critical dimensions, tolerances, and material specifications are clearly indicated on your drawings.

Q5: What is your standard lead time for custom orders?
A: Lead time depends on the order quantity and complexity. For prototype and small-batch orders, standard lead time is typically 30-45 business days after final design confirmation. For larger production runs, we will provide a specific timeline upon order confirmation.

Q6: What is your minimum order quantity (MOQ) for custom parts?
A: We cater to both R&D and production needs. Our MOQ for custom prototypes is as low as 5000 pieces. For production runs, we offer competitive pricing scaled with volume.





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