ASME TP316L Seamless Tube For Analytical Equipment
Shape：round
Technique：Cold Rolled
Surface Treatment：Sanded /Mirror/Hairline Brushed
Thickness：0.3-30mm
out Diameter：8-219mm
Length：5.8/6m or Custom
Stock：in Stock
Sample：Available
Transport Package：Standard Sea-Worthy Packing
ASME BPE Compliant TP316L Seamless Tube Supplier
For high-precision analytical systems, the stability and cleanliness of the tubing directly impact the accuracy of test data and the reliability of equipment operation. ASME TP316L seamless tubing is specifically designed for applications such as gas analysis systems, sampling lines, laboratory analytical instruments, and online petrochemical analytical equipment.
Our TP316L seamless tubing is manufactured using high-purity stainless steel with a carbon content controlled to ≤0.03%, effectively improving the material's resistance to intergranular corrosion. This makes it suitable for analytical systems with high requirements for cleanliness and corrosion resistance. The surface roughness of key internal areas is controlled to Ra≤0.5 μm, meeting ASME BPE's surface requirements for high-purity tubing. Furthermore, dimensional accuracy is strictly controlled during production, with an outer diameter tolerance of ±0.05 mm and a wall thickness tolerance of ±0.03 mm, ensuring the tubing's compatibility and sealing reliability in instrument connections and system integration.
In addition, our TP316L seamless tubing effectively reduces the risk of sample contamination, ensuring the stability of media transmission. In practical applications, it reduces signal interference, corrosion leakage, and frequent replacements due to unstable tubing performance. The common specifications range from 1/8″ to 1/2″ outer diameter, suitable for analytical instrument tubing, high-purity gas delivery systems and various precision sampling devices. It is a commonly used and reliable tubing solution in analytical systems.
Applications in Analytical Equipment
TP316L seamless tubes are extensively used in:
Chromatography systems
Mass spectrometry equipment
Pharmaceutical testing machines
Biotechnology analyzers
Cleanroom process piping
Sampling systems
These applications demand high cleanliness, minimal contamination risk, and excellent corrosion resistance, which TP316L provides.
Specifications of ASME BPE TP316L Seamless Tube
| Parameter | Specification |
|---|---|
| Grade | TP316L |
| UNS Number | S31603 |
| Equivalent Grades | EN 1.4404 / SUS316L |
| Manufacturing Process | Cold Drawn Seamless |
| Delivery Condition | Bright Annealed / Pickled & Annealed |
| Surface Finish | BA / AP / Polished |
| Shape | Round Tube |
| End Type | Plain End / Deburred |
| Length | 6m Standard or Custom Length |
| Inspection | PMI, Hydrostatic Test, Eddy Current Test |
| Certification | EN 10204 3.1 / ISO / SGS |
Typical Size Range for Analytical Instrumentation Tubes
| Outside Diameter (OD) | Wall Thickness (WT) | Metric Size |
|---|---|---|
| 1/8" | 0.028" | 3.18 × 0.71 mm |
| 3/16" | 0.028" | 4.76 × 0.71 mm |
| 1/4" | 0.035" | 6.35 × 0.89 mm |
| 1/4" | 0.049" | 6.35 × 1.24 mm |
| 5/16" | 0.035" | 7.94 × 0.89 mm |
| 3/8" | 0.049" | 9.53 × 1.24 mm |
| 1/2" | 0.065" | 12.7 × 1.65 mm |
These dimensions are common specifications for instrumentation tubing, often used in sampling systems, analyzer connection lines, and gas delivery lines.
Chemical Composition of TP316L (%)
| Element | Content |
|---|---|
| C | ≤0.03 |
| Mn | ≤2.00 |
| Si | ≤1.00 |
| P | ≤0.045 |
| S | ≤0.030 |
| Cr | 16.0 – 18.0 |
| Ni | 10.0 – 14.0 |
| Mo | 2.0 – 3.0 |
| Fe | Balance |
Mechanical Properties
| Property | Value |
|---|---|
| Tensile Strength | ≥485 MPa |
| Yield Strength | ≥170 MPa |
| Elongation | ≥35% |
| Hardness | ≤90 HRB |
Typical Order Description Example
Product Name: Seamless Stainless Steel Tube
Standard: ASME SA213 / ASTM A269
Material: TP316L
Temperature: BA (Bright Annealed), Ra < 0.5μm
Specifications: 1/4" OD x 0.035" WT x 6000mm
Application: Gas Chromatography Carrier Gas Line
If you require a specific pressure rating for a particular size (e.g., how many PSI a 1/4" tube can withstand), please provide the specific wall thickness, and I can calculate it for you.
inspection
Hydrostatic testing/eddy current testing: 100% leak-free.
Hardness testing: Ensures no air leakage when used with compression fittings.
Inner wall cleanliness: Ultrasonic cleaning, conforming to ASTM G93 Level C or similar degreasing standards, ensuring no grease or particles.
End face treatment: Flush, burr-free ends for easy precision welding or joint connections.
TP316 seamless stainless steel Tube Factory
Our TP316L seamless tubing offers customers long service life, stable performance, and low maintenance costs in harsh analytical environments, and comes with an EN 10204 3.1 material certificate. Our products comply with multiple international standards, including ASTM, ASME, DIN, and JIS, ensuring compatibility with equipment manufacturers worldwide.
high quality packaging
Packed in bundles or ply wooden box wrapped in plastic, and suitably protected for sea-worthily delivery or as requested.
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