ASTM A269 TP316 / 316L / 316LN Stainless Steel Tubes
ASTM A269 TP316 / 316L / 316LN Stainless Steel Tubes
Ganyeah Group proudly supplies ASTM A269 TP316 / 316L / 316LN stainless steel tubes, engineered for high performance in corrosive, high-temperature, and high-purity environments. These austenitic stainless steel grades are ideal for instrumentation systems, heat exchangers, chemical processing pipelines, and food-grade fluid transport.
Our tubes are manufactured with strict dimensional tolerances and superior surface finish, in full accordance with ASTM A269 standard. All grades meet stringent chemical and mechanical requirements, ensuring long-lasting performance in critical applications.
Key Features
Grades: TP316, TP316L, TP316LN
Manufacturing Methods: Seamless & Welded
Size Range: OD 6mm – 101.6mm, WT 0.5mm – 3mm
Surface Finish: Bright Annealed / Polished / Pickled
Tolerances: OD, WT, Length – as per ASTM A269
Heat Treatment: Solution Annealed
End Finish: Plain / Beveled / Custom
Chemical Composition (Wt.%)
| Element | TP316 | TP316L | TP316LN |
| Carbon (C) | ≤0.08 | ≤0.035 | ≤0.035 |
| Manganese (Mn) | ≤2.00 | ≤2.00 | ≤2.00 |
| Phosphorus (P) | ≤0.045 | ≤0.045 | ≤0.045 |
| Sulfur (S) | ≤0.03 | ≤0.03 | ≤0.03 |
| Silicon (Si) | ≤1.00 | ≤1.00 | ≤1.00 |
| Nickel (Ni) | 10.0 – 14.0 | 10.0 – 15.0 | 10.0 – 13.0 |
| Chromium (Cr) | 16.0 – 18.0 | 16.0 – 18.0 | 16.0 – 18.0 |
| Molybdenum (Mo) | 2.0 – 3.0 | 2.0 – 3.0 | 2.0 – 3.0 |
| Nitrogen (N) | — | — | 0.10 – 0.16 |
All chemical compositions comply strictly with ASTM A269 requirements.
Mechanical Properties
| Property | TP316 / TP316L / TP316LN |
| Tensile Strength (MPa) | ≥515 |
| Yield Strength (MPa) | ≥205 |
| Elongation (%) | ≥35 |
| Hardness (HRB) | ≤90 |
Note: 316L and 316LN offer enhanced weldability and improved resistance to intergranular corrosion due to low carbon content.
Applications
Our ASTM A269 TP316 series stainless steel tubes are widely used in:
Food & Beverage Systems – sanitary-grade pipelines
Pharmaceutical & Biotech Industries – clean room tubing
Heat Exchangers & Condensers —chemical resistance at elevated temperatures
Hydraulic & Instrumentation Lines
Marine & Offshore Applications—resistance to chloride-rich environments
Manufacturing & Quality Assurance
All tubes are processed and inspected in accordance with ASTM A269 and internal QMS protocols:
100% PMI (Positive Material Identification)
Eddy Current / Hydrostatic / Air Under Water Testing
Surface Roughness Control: Ra < 0.8 μm (BA finish)
Dimensional Tolerance: OD ±0.1mm / WT ±10%
Certification: ISO 9001, PED, CE, SGS, BV
Ganyeah Group Capabilities
With advanced production facilities and over two decades of experience, Ganyeah Group provides:
Full-grade stainless steel piping systems
Custom length / U-bending / spools available
Short lead time & global shipping
OEM & branding services
We are trusted by clients in over 60 countries, across sectors including energy, chemical, medical, and construction.
Why Choose Ganyeah Group?
20+ Years of Manufacturing Excellence
Integrated Seamless & Welded Tube Production Lines
Dedicated Export Support Team
Strict Raw Material Traceability
Competitive Factory Prices & Rapid Delivery
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