YUHONG HOLDING GROUP CO., LTD
| Payment Terms | L/C,T/T,AT SIGHT |
| Supply Ability | According to Clients' requirements |
| Delivery Time | 45-75 Days (Depend on Customer's Requirement |
| Packaging Details | Ply-wooden Cases with Steel Frames(both ends of pipes have plastic caps） |
| Specification | ASTM A213/ ASME SA213 |
| Material | TP316L |
| Thickness | 1.65(Min) |
| Length | 4877MM |
| Type | Seamless |
| R | 129MM |
| Application | Heat Exchangers,Power industry,Chemical and petrochemical industries |
| Brand Name | YUHONG |
| Certification | ABS, BV, ISO, ASTM, SGS |
| Place of Origin | China |
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Product Specification
| Payment Terms | L/C,T/T,AT SIGHT | Supply Ability | According to Clients' requirements |
| Delivery Time | 45-75 Days (Depend on Customer's Requirement | Packaging Details | Ply-wooden Cases with Steel Frames(both ends of pipes have plastic caps） |
| Specification | ASTM A213/ ASME SA213 | Material | TP316L |
| Thickness | 1.65(Min) | Length | 4877MM |
| Type | Seamless | R | 129MM |
| Application | Heat Exchangers,Power industry,Chemical and petrochemical industries | Brand Name | YUHONG |
| Certification | ABS, BV, ISO, ASTM, SGS | Place of Origin | China |
| High Light | ASTM A213 TP316L stainless steel tube ，U-bend heat exchanger tube ，studded tube with warranty | ||
ASTM A213 TP316L U-Bend Heat Exchanger Tube
TP316L (commonly referred to as 316L, UNS S31603, or 1.4404 under the European EN standard) is a molybdenum-containing austenitic stainless steel with a low-carbon design. Its defining characteristic is the addition of Molybdenum (Mo), which enhances its resistance to pitting and crevice corrosion, especially in chloride-containing environments. The "L" denotes low carbon, ensuring excellent intergranular corrosion resistance after welding.
ASTM A213 TP316L U-Bend Heat Exchanger Tube is a precision-engineered tubular product featuring a U-shaped bend. This design allows for efficient heat transfer within compact spaces, making it a critical component in heat exchangers where complex tube-side layouts are required.
Chemical Composition
TP316L Chemical Composition (%)
| Element | C | Mn | Si | P | S | Cr | Ni | Mo |
| Range | ≤ 0.035 | ≤ 2.00 | ≤ 0.75 | ≤ 0.045 | ≤ 0.030 | 16.0–18.0 | 10.0–14.0 | 2.0–3.0 |
The low carbon content ("L" grade) is crucial for preventing sensitization and ensuring excellent intergranular corrosion resistance, especially after welding.
Mechanical Properties
TP316L Mechanical Properties (Typical for Annealed Condition)
| Tensile Strength | Yield Strength (0.2% Offset) | Elongation (in 2") | Hardness (Brinell) |
| ≥ 485 MPa (70 ksi) | ≥ 170 MPa (25 ksi) | ≥ 40% | ≤ 217 HB |
Equivalent Material of TP316L
| ASTM/AISI | UNS NO | EN | ISO | JIS | GOST |
| TP316L | UNS S31603 | 1.4404 | X2CrNiMo18-14-3 | SUS316L | 03X17H14M2 |
Comparison with TP316L vs. TP316 and TP304
TP316L vs. TP316: TP316 is the higher-carbon variant (C ≤ 0.08) of TP316L. While both offer good corrosion resistance, TP316L’s low-carbon composition provides superior intergranular corrosion resistance after welding, making it ideal for applications with extensive welded joints. TP316, on the other hand, may be preferred in scenarios where higher strength at room temperature is needed and welding-induced corrosion is not a primary concern.
TP316L vs. TP304: TP304 lacks molybdenum, so its resistance to pitting, crevice corrosion, and corrosion in chloride-rich environments (e.g., seawater) is inferior to TP316L. TP316L is the material of choice for marine, chemical, and other harsh corrosive environments, whereas TP304 is more cost-effective for general-purpose, less corrosive applications.
Key Features & Advantages
1. Superior Corrosion Resistance: Molybdenum content provides excellent resistance to pitting and crevice corrosion.
2. Excellent Weldability: Low carbon content prevents sensitization, ideal for welded constructions.
3. Thermal Stress Relief: U-bend design accommodates expansion/contraction, enhancing reliability.
4. Compact Design: Simplifies tube bundle assembly and saves space.
5. Optimized Heat Transfer: Seamless cold-drawn manufacturing ensures a smooth inner surface.
Applications of ASTM A213 TP316L U-Bend Tubes
1. Chemical & Petrochemical Processing: Heat exchangers, condensers, and reactor coolers handling acidic and chloride-rich process streams.
2. Pharmaceutical Industry: Highly cleanable and corrosion-resistant heat exchangers for purified water (WFI) systems and process temperature control.
3. Marine & Offshore: Coolers and condensers using seawater or brackish water as a coolant.
4. Pulp & Paper Industry: Equipment exposed to corrosive bleaching chemicals and by-products.
5. Food Processing: Heat exchangers for products containing salts or acidic ingredients where corrosion resistance is critical.
Company Details
Business Type:
Manufacturer,Importer,Exporter,Trading Company,Seller,Other
Year Established:
1990
Total Annual:
50M-70M
Employee Number:
50~800
Ecer Certification：
Verified Supplier
Yuhong Holding Group has more than 35 years experience for pipeline products, till now we have 3 big joint venture factories, the total production area more than 130000 square meters, and more than 600 workers with 106 production lines give our clients excellent supporting always. &n... Yuhong Holding Group has more than 35 years experience for pipeline products, till now we have 3 big joint venture factories, the total production area more than 130000 square meters, and more than 600 workers with 106 production lines give our clients excellent supporting always. &n...
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