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Quality High Tolerance Stainless Steel Precision Pipe For Hypodermic Needles Sensors factory
Quality High Tolerance Stainless Steel Precision Pipe For Hypodermic Needles Sensors factory

High Tolerance Stainless Steel Precision Pipe For Hypodermic Needles Sensors

Basic Properties
Place of Origin: MADE IN CHAINA
Brand Name: Baosteel，TISCO
Certification: EN 10204 Type 3.1 / 3.2 available
Model Number: 201 / 202 / 301 / 302 / 303 / 304 / 304L / 305 / 309S / 310S / 316 / 316L / 317 / 317L / 321 / 347 / 409L / 410 / 420 / 430 / 440C / 2205 / 2507
Trading Properties
Minimum Order Quantity: 100kg
Price: Negotiable (Request a Quote)
Payment Terms: T/T，D/P，D/A，Western Union，PayPal
Supply Ability: 10000tons
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Molybdenum Alloy Stainless Steel Pipe

Stainless Steel Pipe Chloride Resistance

High Tolerance Stainless Steel Precision Pipe
Product Summary
High tolerance stainless steel tube is manufactured with extreme precision, offering exceptional dimensional accuracy and consistency. It is designed for applications where even minor deviations in inner or outer diameter can affect assembly or performance. Available in seamless or welded constructi...

Product Details

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High Tolerance Stainless Steel Precision Pipe

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Sensors Stainless Steel Precision Pipe
Country Of Origin: MADE IN CHAINA
Brand: Baosteel，TISCO
Certifications: ISO/EN 10204 Type 3.1 / 3.2 Available
Grade: 201 / 202 / 301 / 302 / 303 / 304 / 304L / 305 / 309S / 310S / 316 / 316L / 317 / 317L / 321 / 347 / 409L / 410 / 420 / 430 / 440C / 2205 / 2507 / 630 (17-4PH)
MOQ: 100kg
Price: Negotiable (Request A Quote)
Packaging: Wooden Case / Wooden Pallet / Steel Frame / Carton / Woven Bag
Delivery Time: 15-25days
Payment Terms: T/T，D/P，D/A，Western Union，PayPal
Supply Capacity: 10000tons
Product Description

High tolerance stainless steel tube is manufactured with extreme precision, offering exceptional dimensional accuracy and consistency. It is designed for applications where even minor deviations in inner or outer diameter can affect assembly or performance. Available in seamless or welded construction, this tube delivers reliability and repeatability.

Key Features:

  • Tight tolerance: OD / ID up to ±0.01mm – ±0.03mm
  • Surface finish: Ra ≤ 0.3μm (mirror finish available)
  • Straightness: ≤ 0.5mm per meter
  • Burr-free, clean cut ends
  • Seamless or welded & drawn construction
Product Specifications
Parameter Details
Applicable Standards ASTM A269, ASTM A213, EN 10216-5, EN 10305-1, JIS G3459
Common Grades 304 / 304L, 316 / 316L, 321, 310S, 904L
OD Range 1mm – 50mm (customizable)
Wall Thickness Range 0.2mm – 5mm
Length Custom cut from 50mm to 6000mm, or coil
Tolerance Class Precision: ±0.02mm / High Precision: ±0.01mm
Process Cold drawn / Cold rolled / Centerless grinding (optional)
Surface Finish Bright annealed / Electropolished / Matte
Delivery Condition Annealed, hard, or stress-relieved
Chemical Composition (Typical, %)
Grade C Si Mn P S Cr Ni Mo
304 ≤0.08 ≤1.00 ≤2.00 ≤0.045 ≤0.030 18.0-20.0 8.0-11.0 –
304L ≤0.03 ≤1.00 ≤2.00 ≤0.045 ≤0.030 18.0-20.0 8.0-12.0 –
316 ≤0.08 ≤1.00 ≤2.00 ≤0.045 ≤0.030 16.0-18.0 10.0-14.0 2.0-3.0
316L ≤0.03 ≤1.00 ≤2.00 ≤0.045 ≤0.030 16.0-18.0 10.0-14.0 2.0-3.0
321 ≤0.08 ≤1.00 ≤2.00 ≤0.045 ≤0.030 17.0-19.0 9.0-12.0 –

Third-party test reports (spectral analysis, carbon-sulfur analysis) available upon request.

Mechanical Properties (Annealed Condition)
Grade Tensile Strength (MPa) Yield Strength (MPa) Elongation (%) Hardness (HRB / HV)
304 ≥520 ≥205 ≥35 ≤90 HRB
304L ≥480 ≥175 ≥35 ≤90 HRB
316 ≥520 ≥205 ≥35 ≤90 HRB
316L ≥480 ≥175 ≥35 ≤90 HRB
321 ≥520 ≥205 ≥35 ≤90 HRB

Additional tests: Flattening, flaring, eddy current, hydrostatic, and hardness testing available.

Applications

High tolerance stainless steel tubes are essential in industries where precision and repeatability are critical:

Industry Typical Uses
Medical Devices Hypodermic needles, catheters, surgical instruments, endoscope sheaths
Aerospace Hydraulic lines, fuel delivery, sensor housings
Electronics & Semiconductor Gas delivery lines, wafer handling components
Automotive Fuel injection systems, ABS components, sensor sleeves
Instrumentation Pressure gauges, thermowells, analytical equipment
Robotics & Precision Machinery Pneumatic fittings, guide tubes, linear bearings
Contact Us

For samples, technical datasheets, or a custom quote, please contact us.

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