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ASTM A269 TP304 Stainless Steel Instrumentation Tubing Supplier

ASTM A269 TP304 Stainless Steel Instrumentation Tubing Supplier

  • ASTM A269 TP304 Stainless Steel Instrumentation Tubing Supplier
  • ASTM A269 TP304 Stainless Steel Instrumentation Tubing Supplier
  • ASTM A269 TP304 Stainless Steel Instrumentation Tubing Supplier
  • ASTM A269 TP304 Stainless Steel Instrumentation Tubing Supplier
ASTM A269 TP304 Stainless Steel Instrumentation Tubing Supplier
Product Details:
Place of Origin: CHINA
Brand Name: YUHONG
Certification: ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008
Model Number: ASTM A269 TP304
Payment & Shipping Terms:
Minimum Order Quantity: 100KGS
Price: Negotiable
Packaging Details: Ply-wooden Case /Iron Case/ Bundle with plastic Cap/Woven Case
Delivery Time: Depends on quantity
Payment Terms: L/C,T/T
Supply Ability: 1000 tons per month
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Detailed Product Description
Standard_Equivalents: ASTM A269 Material_Grade: TP304 (UNS S30400)
NDT_Method: Eddy Current Testing (ASTM E426) Product_Type: Seamless Precision Tubing
Size_Range: OD: 1/8" To 4" (3.18mm-101.6mm) Application_Industry: Pharmaceutical/Bioprocessing (ASME BPE)
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Precision ASTM A269 TP304 Seamless/Welded Stainless Steel Tubing | Corrosion-Resistant & Medical Grade



 Product Overview (TP304 Material-Centric Heading)


TP304 Stainless Steel Tubing for Critical Applications


Manufactured in full compliance with ASTM A269 Standard Specification for Seamless and Welded Austenitic Stainless Steel Tubing, our TP304 tubes deliver exceptional corrosion resistance, high-temperature stability, and hygienic properties. Ideal for instrumentation, pharmaceutical, food processing, and chemical applications where material purity and dimensional precision are paramount. Tubes are supplied in annealed (ASME SB-269 compliant) or bright annealed (BA) finishes.



Chemical Composition (TP304 Alloy Chemistry)


ASTM A269 TP304 Tube Chemical Composition (Weight %)


Element ASTM A269 Min (%) ASTM A269 Max (%) Typical TP304 Value
Carbon (C) - 0.08 0.05
Chromium (Cr) 18.0 20.0 18.2
Nickel (Ni) 8.0 11.0 8.1
Manganese (Mn) - 2.0 1.5
Silicon (Si) - 1.0 0.6
Phosphorus (P) - 0.045 0.03
Sulfur (S) - 0.03 0.01
Iron (Fe) Balance - 71.5





 Equivalent Grades ( Global TP304 Material Equivalents)



International Cross-Reference for TP304 Tubing


Standard Grade Common Names
ISO 1.4301 X5CrNi18-10
EN X5CrNi18-10 304
JIS SUS 304 304
ASME SA-269 TP304 304 SS
UNS S30400 -



 Mechanical Properties (TP304 Tube Performance)


ASTM A269 TP304 Mechanical Properties (Annealed Condition)


Property ASTM A269 Requirement Typical Value
Tensile Strength ≥ 515 MPa (75 ksi) 550 MPa
Yield Strength (0.2% Offset) ≥ 205 MPa (30 ksi) 240 MPa
Elongation (% in 50mm) ≥ 35% 55%
Hardness (Rockwell B) ≤ 90 HRB 80 HRB




Dimensional Tolerances (H2: TP304 Tube Precision)


ASTM A269 Standard Tolerances for TP304 Tubing


Dimension Seamless Tube Tolerance Welded Tube Tolerance
OD (mm) ±0.10 mm (≤25.4mm OD)
±0.38 mm (>25.4mm OD)		 ±0.13 mm (≤25.4mm OD)
±0.25 mm (>25.4mm OD)
Wall Thickness ±10% ±10%
Straightness 3.2 mm/m max 3.2 mm/m max
Cut Length +3.2 mm / -0 mm +3.2 mm / -0 mm




Applications (TP304 Material Applications)


Industry-Specific Uses of ASTM A269 TP304 Tubes


Industry Critical Applications
Medical Devices Hypodermic needles, surgical instruments, implantable device components
Pharmaceutical Bioreactor transfer lines, CIP/SIP systems, sterile fluid handling
Food & Beverage Dairy processing pipes, brewery transfer lines, FDA-compliant fittings
Chemical Processing Heat exchanger tubes, corrosive fluid transfer, sampling systems
Instrumentation Pressure gauge tubing, chromatography columns, sensor housings


 Why Choose Our TP304 Tubes? ( Material Advantage)


  • Certified Compliance: Mill test reports (MTRs) per ASTM A269 traceable to heat number


  • Surface Integrity: BA/EP finishes available with Ra ≤ 0.8 μm for ultra-clean applications


  • Size Range: OD 1.6mm to 114.3mm | Wall thickness 0.2mm to 5.0mm


  • Processing: Laser cutting, bending, polishing per AMS 2700


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