Yuhong Group Co.,Ltd
| Payment Terms | L/C,T/T |
| Supply Ability | Accdording to customer's request |
| Delivery Time | Depends on quantity |
| Packaging Details | Bundle with plastic Cap/ Woven Case |
| Product Name | Stainless Steel Seamless Pipe |
| Specification | ASTM A312/ ASME SA312 |
| Material | TP316L (UNS S31603) |
| Type | Seamless |
| Surface | Pickled And Annealed, Polished, Bright Annealed |
| Test | Eddy Current Test -ASTM E426, Hystostatic Test-ASTM A999, Ultrsonic Test -ASTM E213 |
| Application | Petrochemical/ Marine/ Harsh working conditions |
| Brand Name | YUHONG |
| Model Number | ASTM A312 TP316L (UNS S31603) |
| 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 | L/C,T/T | Supply Ability | Accdording to customer's request |
| Delivery Time | Depends on quantity | Packaging Details | Bundle with plastic Cap/ Woven Case |
| Product Name | Stainless Steel Seamless Pipe | Specification | ASTM A312/ ASME SA312 |
| Material | TP316L (UNS S31603) | Type | Seamless |
| Surface | Pickled And Annealed, Polished, Bright Annealed | Test | Eddy Current Test -ASTM E426, Hystostatic Test-ASTM A999, Ultrsonic Test -ASTM E213 |
| Application | Petrochemical/ Marine/ Harsh working conditions | Brand Name | YUHONG |
| Model Number | ASTM A312 TP316L (UNS S31603) | Certification | ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008 |
| Place of Origin | China | ||
| High Light | ASTM A312 TP316L stainless steel pipe ，UNS S31603 seamless pipe for petrochemical ，stainless steel seamless pipe with warranty | ||
ASTM A312 TP316L (UNS S31603) Stainless Steel Seamless Pipe for Petrochemical
ASTM A312 TP316L (UNS S31603) is a low-carbon austenitic stainless steel seamless pipe designed for high corrosion resistance and high-temperature service in petrochemical, chemical processing, oil & gas, and other demanding industries. It offers superior pitting and crevice corrosion resistance compared to standard 316 stainless steel due to its reduced carbon content (≤0.03%), minimizing carbide precipitation during welding and thermal cycling.
1.Chemical & Mechanical Properties
| ASTM A312 TP316L Chemical Composition (%) | ||||||||
| C |
Mn |
P | S |
Si |
Cr | Ni | Mo | N |
| ≤0.03% | ≤2.00% | ≤0.045% | ≤0.030% | ≤0.75% | 16.0%~18.0% | 10.0%~14.0% | 2.00%~3.00% | ≤0.1% |
Mechanical Properties
| Property | Standard Value (Annealed) |
| Tensile Strength | ≥485 MPa |
| Yield Strength | ≥170 MPa |
| Elongation | ≥40% |
| Hardness | ≤217 HB (Brinell) |
2. Key Adventages
Resistant to chlorides & acids: Molybdenum (2-3%) enhances resistance to chlorides, seawater, sulfuric/phosphoric acids, ideal for marine/chemical industries.
Low-carbon anti-sensitization: Carbon ≤0.03% prevents intergranular corrosion during welding/thermal cycles.
High-temperature stability: Continuous service up to 925°C (intermittent 870°C), suitable for heat exchangers/boilers.
Seamless design: No welded joints, higher pressure tolerance (ASME B31.3 compliant).
No post-weld treatment: Low carbon minimizes carbide precipitation, enabling direct welding.
Easy fabrication: Austenitic structure allows cold bending/flaring.
3. Key Applications
Refinery piping systems: Transporting crude oil, refined products, and corrosive media (e.g., sulfides, acidic gases).
Heat exchangers & reactors: High-temperature/pressure heat transfer components.
Catalytic cracking units: Resistant to high-temperature sulfur corrosion and hydrogen embrittlement.
Acid/alkali transfer pipelines: For sulfuric, hydrochloric, and phosphoric acids.
Solvent production equipment: Resistant to organic solvents (e.g., methanol, ethanol).
Polymer production: Resists chloride-induced stress corrosion cracking (SCC).
Subsea pipelines: Resistant to seawater corrosion and microbiologically influenced corrosion (MIC).
LNG equipment: Maintains toughness in cryogenic conditions (-196°C).
Offshore platform components: Load-bearing parts in high-salinity environments.
Sanitary piping: Contamination-free transfer of high-purity fluids (FDA compliant).
Bioreactors: 316L material withstands clean-in-place/sterilize-in-place (CIP/SIP).
| Comparison Item | TP316L (UNS S31603) | TP316 (UNS S31600) |
| Carbon Content |
≤0.03% (Ultra-low carbon, superior intergranular corrosion resistance after welding) |
≤0.08% (Standard carbon content, may sensitize after welding/high temperatures) |
| Corrosion Resistance |
Excellent (Low carbon minimizes carbide precipitation, superior pitting/crevice corrosion resistance) |
Good (But may lose corrosion resistance due to carbide precipitation in harsh conditions) |
| Weldability | No post-weld annealing required (Cost-effective for welded structures) |
May require post-weld heat treatment (To prevent intergranular corrosion) |
| High-Temp Performance |
Suitable for continuous service up to 925°C (Reduced chromium carbide formation) |
Suitable for ≤870°C (Long-term high temp may cause weakening) |
| Mechanical Strength | Tensile: ≥485 MPa, Yield: ≥170 MPa (Slightly lower than TP316) | Tensile: ≥515 MPa, Yield: ≥205 MPa (Higher strength) |
| Primary Applications |
Chemical/offshore/nuclear (Harsh corrosive environments) |
General industry/food processing (Moderate conditions) |
| Cost |
Slightly higher (Due to low-carbon control process) |
Slightly more economical (Standard composition) |
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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