Yuhong Group Co.,Ltd
| Payment Terms | T/T,L/C |
| Supply Ability | 500 tons per month |
| Delivery Time | Depends on quantity |
| Packaging Details | Ply-wooden Case /Iron Case/ Bundle with plastic Cap |
| Brand Name | YUHONG |
| Model Number | ASTM A269 TP316L |
| Certification | ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008 |
| Place of Origin | China |
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Product Specification
| Payment Terms | T/T,L/C | Supply Ability | 500 tons per month |
| Delivery Time | Depends on quantity | Packaging Details | Ply-wooden Case /Iron Case/ Bundle with plastic Cap |
| Brand Name | YUHONG | Model Number | ASTM A269 TP316L |
| Certification | ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008 | Place of Origin | China |
| High Light | ASTM A269 stainless steel seamless tube ，TP316L corrosion-resistant coil tube ，high-temperature service bright annealed tube | ||
This product is seamless austenitic stainless steel tubing manufactured to meet the ASTM A269 standard for general service. It is supplied in a coiled form for applications requiring continuous, long-length runs without joints.
The "TP316L" designation indicates the specific grade:
TP: Denotes "Tube Pipe" for tubular products.
316L: Refers to a low-carbon (L) variant of the classic 316 stainless steel, alloyed with Molybdenum (Mo).
The key advantages of TP316L seamless coil tubes include:
Superior Corrosion Resistance: The addition of Molybdenum significantly enhances resistance to pitting and crevice corrosion, especially in chloride-containing environments, outperforming common 304/304L grades.
Excellent Weldability & Fabricability: The low carbon content (≤0.035%) minimizes harmful carbide precipitation during welding, preserving corrosion resistance at weld zones and making it ideal for fabricated systems.
High-Temperature & Low-Temperature Service: Suitable for a wide range of temperatures, from cryogenic applications to elevated-temperature service.
Seamless Integrity: The seamless manufacturing process ensures a uniform structure with no weld line, offering superior strength, reliability, and cleanliness for critical fluid handling.
Governing Standard: ASTM A269/A269M - Standard Specification for Seamless and Welded Austenitic Stainless Steel Tubing for General Service.
Manufacturing Process: Produced as seamless tubing, typically through processes like piercing and extrusion, followed by cold drawing to achieve precise dimensions and a smooth surface finish.
Heat Treatment: All material is furnished in the heat-treated (solution annealed) condition. This involves heating to a high temperature (≥1040°C) and rapid cooling to dissolve carbides, restore a fully austenitic microstructure, and optimize corrosion resistance and ductility.
Testing & Inspection: Each tube undergoes rigorous testing, including a mandatory non-destructive electric test (e.g., eddy current) or hydrostatic test to ensure integrity. Additional tests like flattening, flaring, hardness, and reverse flattening may be performed as per the standard requirements.
The TP316L grade under ASTM A269 is defined by strict chemical and mechanical property ranges to guarantee performance.
Typical Chemical Composition (Weight %):
The following table outlines the key elemental composition for TP316L.
| Element | Content (%) | Role & Benefit |
|---|---|---|
| Carbon (C) | 0.035 max | Low carbon for reduced carbide precipitation and improved weldability. |
| Chromium (Cr) | 16.0 - 18.0 | Provides basic corrosion resistance and forms a passive protective layer. |
| Nickel (Ni) | 10.0 - 15.0 | Stabilizes the austenitic structure, enhancing toughness and ductility. |
| Molybdenum (Mo) | 2.0 - 3.0 | Key element that greatly increases resistance to pitting and crevice corrosion. |
| Manganese (Mn) | 2.00 max | Aids in deoxidation during steelmaking and improves hot workability. |
| Silicon (Si) | 1.00 max | Deoxidizer and enhances strength at high temperatures. |
| Phosphorus (P) | 0.045 max | Impurity controlled to maintain toughness. |
| Sulfur (S) | 0.030 max | Impurity controlled to improve ductility and corrosion resistance. |
Mechanical Properties (Solution Annealed Condition):
Properties are verified through batch testing to ensure compliance.
| Property | Metric Unit | Imperial Unit |
|---|---|---|
| Tensile Strength, min | 485 MPa | 70 ksi |
| Yield Strength (0.2% Offset), min | 170 MPa | 25 ksi |
| Elongation in 2 in. (50 mm), min | 35 % | 35 % |
| Hardness, max | 217 HB / 95 HRB | 217 HB / 95 HRB |
This tubing is designed for "general service," which encompasses a wide array of demanding industrial applications where reliability and corrosion resistance are critical:
Chemical & Petrochemical Processing: Transfer lines for corrosive chemicals, solvents, and process fluids.
Food, Beverage & Pharmaceutical Industries: Ideal for sanitary process lines, ingredient transfer, and high-purity water systems due to its cleanability and corrosion resistance.
Heat Exchangers & Condensers: Used as heat transfer tubing in shell-and-tube exchangers for its thermal conductivity and resistance to various cooling/heating media.
Instrumentation & Control Systems: Pneumatic and hydraulic control lines, pressure gauge connections, and sample lines.
Marine & Offshore Applications: Components exposed to saltwater environments.
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Importer,Exporter,Trading Company,Seller,Other
Year Established:
2007
Total Annual:
50M-70M
Employee Number:
50~850
Ecer Certification：
Verified Supplier
Yuhong Group is one of the large scale group company in China, more than 35 years experience in the international market, providing high-quality services to over 3000 customers, end user which like Aramco, Petrobras, Pemex, Petronas, Ecopetro, Petroecuador, …. till now Yuhong Grou... Yuhong Group is one of the large scale group company in China, more than 35 years experience in the international market, providing high-quality services to over 3000 customers, end user which like Aramco, Petrobras, Pemex, Petronas, Ecopetro, Petroecuador, …. till now Yuhong Grou...
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