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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
Categories Stainless Steel Seamless Tube
Brand Name: YUHONG
Model Number: ASTM A269 TP304
Certification: ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008
Place of Origin: CHINA
MOQ: 100KGS
Price: Negotiable
Payment Terms: L/C,T/T
Supply Ability: 1000 tons per month
Delivery Time: Depends on quantity
Packaging Details: Ply-wooden Case /Iron Case/ Bundle with plastic Cap/Woven Case
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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Yuhong Group Co.,Ltd
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ASTM A269 TP304 Stainless Steel Instrumentation Tubing Supplier


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 %)


ElementASTM A269 Min (%)ASTM A269 Max (%)Typical TP304 Value
Carbon (C)-0.080.05
Chromium (Cr)18.020.018.2
Nickel (Ni)8.011.08.1
Manganese (Mn)-2.01.5
Silicon (Si)-1.00.6
Phosphorus (P)-0.0450.03
Sulfur (S)-0.030.01
Iron (Fe)Balance-71.5





Equivalent Grades ( Global TP304 Material Equivalents)



International Cross-Reference for TP304 Tubing


StandardGradeCommon Names
ISO1.4301X5CrNi18-10
ENX5CrNi18-10304
JISSUS 304304
ASMESA-269 TP304304 SS
UNSS30400-



Mechanical Properties (TP304 Tube Performance)


ASTM A269 TP304 Mechanical Properties (Annealed Condition)


PropertyASTM A269 RequirementTypical 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 HRB80 HRB




Dimensional Tolerances (H2: TP304 Tube Precision)


ASTM A269 Standard Tolerances for TP304 Tubing


DimensionSeamless Tube ToleranceWelded 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%
Straightness3.2 mm/m max3.2 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


IndustryCritical Applications
Medical DevicesHypodermic needles, surgical instruments, implantable device components
PharmaceuticalBioreactor transfer lines, CIP/SIP systems, sterile fluid handling
Food & BeverageDairy processing pipes, brewery transfer lines, FDA-compliant fittings
Chemical ProcessingHeat exchanger tubes, corrosive fluid transfer, sampling systems
InstrumentationPressure 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


Product Tags:

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ASTM A269 TP304 Stainless Steel Instrumentation Tubing Supplier

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