ASTM A213 TP316L Stainless Steel Seamless Tube for Heat Exchangers
Price:
Negotiable
MOQ:
200~500 KGS
Delivery Time:
35-60 Days (Depend on Customer's Requirements)
Brand:
Yuhong
Product Description
ASTM A213 TP316L Stainless Steel Seamless Tube For Refinery Equipment
Product Specifications
| Attribute | Value |
|---|---|
| Product Name | Stainless Steel Seamless Tube |
| Tube Specification | ASTM A213 |
| Tube material | TP316L |
| Tube's OD | Customsized |
| Tube's Wall Thickness Type | Minimum WT |
| Tube's End | Plain end |
| Tube's length | Depend on Customer |
| Tube Surface | Annealed&Pickled, Polished, Bright Annealed... |
| Inspection | Eddy Current Test, Hydro Test, Size Inspection, PMI... |
| Application Industries | Power Generation & Energy; Oil & Gas/Petrochemical; Chemical & Pharmaceutical Processing; Food & Beverage... |
Material Composition and Mechanical Properties
Chemical Composition (Weight %)
| Element | ASTM A213 TP316L Requirements | Typical Values |
|---|---|---|
| Carbon (C) | ≤ 0.03% | 0.02% |
| Manganese (Mn) | ≤ 2.00% | 1.50% |
| Phosphorus (P) | ≤ 0.045% | 0.030% |
| Sulfur (S) | ≤ 0.030% | 0.020% |
| Silicon (Si) | ≤ 1.00% | 0.75% |
| Chromium (Cr) | 16.0-18.0% | 17.2% |
| Nickel (Ni) | 10.0-14.0% | 12.5% |
| Molybdenum (Mo) | 2.0-3.0% | 2.5% |
| Nitrogen (N) | ≤ 0.10% | 0.05% |
| Iron (Fe) | Balance | Balance |
Notes: Low carbon (0.03% max) prevents carbide precipitation during welding. Molybdenum (2-3%) enhances corrosion resistance, especially against chlorides.
Mechanical Properties
| Property | ASTM A213 TP316L Requirements | Typical Values |
|---|---|---|
| Tensile Strength (MPa) | ≥ 485 | 515-620 |
| Yield Strength (0.2% Offset, MPa) | ≥ 170 | 205-310 |
| Elongation (% in 50mm) | ≥ 35 | 40-50 |
| Hardness (Rockwell B) | ≤ 95 HRB | 80-90 HRB |
| Hydrostatic Test Pressure | As per ASTM A213 (varies by size) | -- |
Notes: High elongation (≥35%) ensures ductility for forming/welding. Low hardness improves machinability and reduces cracking risk.
Comparison with Key Grades
| Property | TP316L (A213) | TP316 (A213) | TP304L (A213) |
|---|---|---|---|
| Carbon (Max) | 0.03% | 0.08% | 0.03% |
| Mo Content | 2-3% | 2-3% | None |
| Tensile Strength (MPa) | ≥485 | ≥515 | ≥485 |
| Corrosion Resistance | Excellent (acid/chloride) | Good | Moderate |
Key Takeaways
- TP316L excels in welded, high-corrosion applications (e.g., chemical plants, marine)
- Meets ASTM A213 for seamless tubes in boilers, heat exchangers, and superheaters
- Low carbon + Mo makes it superior to 304L in harsh environments
Manufacturing Process
- Seamless Construction: Made via extrusion or piercing, ensuring no welds for high-pressure/temperature applications
- Cold Worked or Hot Finished: Depending on dimensional requirements
Key Standards & Testing
- ASTM A213: Covers seamless ferritic & austenitic steel tubes for heat-transfer equipment
- Additional Tests: Hydrostatic, eddy current, ultrasonic, or air-pressure testing for integrity
- Certifications: Often comes with Mill Test Reports (MTRs) for traceability
Applications
Power Generation & Energy
- Boiler Tubes: Resists high-pressure steam and combustion gases
- Superheaters & Heat Exchangers: Handles extreme temperatures (up to ~800°C) without scaling
- Nuclear Power Components: Used in condenser tubes due to chloride resistance
Oil & Gas/Petrochemical
- Refinery Equipment: Piping for sour gas (H₂S) and acidic environments
- Offshore Platforms: Resists seawater corrosion (Mo content prevents pitting)
- Downhole Tubing: For corrosive well fluids
Chemical & Pharmaceutical Processing
- Acid Handling: Suitable for sulfuric, phosphoric, and acetic acid transport
- Reactor Coils: Low carbon prevents carbide precipitation during welding
- Sanitary Systems: Hygienic tubing for pharmaceutical production
Food & Beverage
- Brewery & Dairy Equipment: Corrosion-resistant, easy-to-clean surfaces
- Saltwater Processing: Desalination plant tubing
Automotive & Aerospace
- Exhaust Systems: High-temperature oxidation resistance
- Hydraulic Lines: High-pressure fluid transport
Marine & Shipbuilding
- Seawater Cooling Systems: Superior resistance to saltwater pitting
- Bilge & Ballast Piping: Long-term durability in wet environments
Summary
ASTM A213 TP316L tubes are ideal for corrosive, high-temperature, or high-purity applications where welding or chloride exposure is a concern. Common alternatives like 304L lack molybdenum, making TP316L the go-to for aggressive media (e.g., seawater, acids).
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Get in Touch
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Company
YUHONG HOLDING GROUP CO., LTD
Location
20 Floor, No.1 New World Building, NO.1018 Min'an Road, Yinzhou District, Ningbo, China, ZIP:315040
Contact Person
Sales Dept.