Hydraulic Stainless Steel Precision Tubing Corrosion Resistant Tight Tolerance ±0.05mm

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
Product Summary
Hydraulic stainless steel precision tubing is specifically designed for high-pressure fluid power systems. Manufactured through cold drawing or cold rolling processes, this tubing offers exceptional dimensional accuracy, high burst pressure resistance, and excellent corrosion resistance. It ensures ...

Product Details

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Hydraulic Stainless Steel Precision Tubing

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Stainless Steel Precision Tubing Corrosion Resistant

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

Hydraulic stainless steel precision tubing is specifically designed for high-pressure fluid power systems. Manufactured through cold drawing or cold rolling processes, this tubing offers exceptional dimensional accuracy, high burst pressure resistance, and excellent corrosion resistance. It ensures leak-free performance and long service life in demanding hydraulic environments.

Key Features:
  • High pressure rating – up to 10,000 psi (depending on size & wall thickness)
  • Tight tolerance: OD ±0.05mm / ID ±0.05mm
  • Smooth internal surface for minimal flow resistance
  • No internal oxidation or scaling
  • Excellent fatigue resistance for dynamic applications
  • Available in seamless or welded & drawn construction
Product Specifications
Parameter Details
Applicable Standards ASTM A269, ASTM A213, EN 10305-4 (DIN 2391), ISO 8535-1
Common Grades 304 / 304L, 316 / 316L, 316Ti, 321
OD Range 4mm – 50mm (customizable)
Wall Thickness Range 0.7mm – 5mm
Length Up to 6m straight lengths, or coils
Tolerance Class Hydraulic grade: ±0.05mm / Precision: ±0.02mm
Process Cold drawn seamless or welded & drawn
Surface Finish Bright annealed (internal & external)
Delivery Condition Annealed, stress-relieved, or cold drawn (hard)
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
316Ti ≤0.08 ≤1.00 ≤2.00 ≤0.045 ≤0.030 16.0-18.0 10.0-14.0 2.0-3.0

Ti addition in 316Ti prevents sensitization and improves weldability.

Mechanical Properties (Annealed Condition)
Grade Tensile Strength (MPa) Yield Strength (MPa) Elongation (%) Hardness (HRB)
304 ≥520 ≥205 ≥35 ≤90
304L ≥480 ≥175 ≥35 ≤90
316 ≥520 ≥205 ≥35 ≤90
316L ≥480 ≥175 ≥35 ≤90
316Ti ≥520 ≥205 ≥35 ≤90
Hydraulic Performance Indicators
Parameter Value
Burst Pressure Up to 10,000 psi (dependent on dimensions)
Working Pressure Up to 6,000 psi
Internal Surface Roughness Ra ≤ 0.8μm (smooth flow)

Tests: Hydrostatic pressure test, flattening test, flaring test, eddy current test, and non-destructive testing (NDT).

Applications

Hydraulic stainless steel precision tubing is widely used in fluid power systems requiring corrosion resistance, high pressure capability, and dimensional accuracy:

Industry Typical Uses
Marine & Offshore Hydraulic steering systems, deck machinery, subsea controls
Industrial Machinery Presses, injection molding machines, hydraulic lifts
Mobile Equipment Excavators, loaders, agricultural machinery, forklifts
Aerospace Aircraft hydraulic systems (landing gear, flight controls)
Oil & Gas Hydraulic control lines for wellheads and subsea equipment
Food & Pharmaceutical Hygienic hydraulic systems requiring stainless steel
Automotive Brake lines, power steering, clutch actuation systems
Why Stainless Steel for Hydraulic Lines?
Advantage Benefit
Corrosion resistance Ideal for marine, chemical, and outdoor environments
High strength Withstands extreme pressures without failure
Cleanliness No internal scale or contamination
Fatigue resistance Long life in dynamic, high-cycle applications
Temperature tolerance Operates from cryogenic to elevated temperatures
Contact Us

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

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