Foshan Xinliheng Oțel inoxidabil Co., Ltd.(佛山市鑫利恒不锈钢有限公司)
316Tub industrial din oțel inoxidabil L – Rezistență superioară la coroziune pentru medii industriale extreme
Durabilitate neegalată în medii dure
Când vine vorba de tuburi industriale care necesită o rezistență excepțională la coroziune și fiabilitate pe termen lung, 316Oțelul inoxidabil L se situează într-o clasă proprie. Proiectat cu o compoziție precisă de aliaj, inclusiv 2-3% molybdenum, Aceste tuburi industriale depășesc performanțele oțelurilor inoxidabile convenționale în cele mai solicitante medii – de la uzine de procesare chimică până la platforme petroliere offshore. Spre deosebire de standard 304 oţel inoxidabil, care cedează coroziunii induse de cloruri în doar 3 ani în aplicații de coastă, 316L își menține integritatea timp de decenii, cu o rată de coroziune mai mică de 0,01 mm pe an în 3.5% apă de mare sărată.
This remarkable performance stems from 316L’s superior Pitting Resistance Equivalent Number (PREN) de 26.3, significantly higher than 304’s PREN of 19. The addition of molybdenum creates a dense, protective oxide film that actively resists pitting and crevice corrosion, making 316L the material of choice for applications involving halide ions, acidic solutions, and high-moisture environments.
Manufacturing Standards & Sizes
Our 316L industrial stainless steel tubes are manufactured in compliance with major international standards:
- ASTM A312: Seamless and welded austenitic stainless steel pipe
- ASTM A269: Seamless and welded austenitic stainless steel tubing for general service
- JIS G 4303 (SUS316L)
- DIN specifications available upon request
Available Dimensions
- Outer Diameter: 6mm – 159mm (custom sizes available)
- Wall Thickness: 0.15mm – 3.0mm
- Lungime: Standard 6m, or custom lengths up to 12m
- Form: Round, square, rectangular, and custom profiles
- Finisaj de suprafață: Annealed, decapat, bright annealed (BA), polished
Key Applications Across Industries
316L stainless steel tubes excel in applications where corrosion resistance, rezistență ridicată, and purity are critical:
Chemical Processing
Ideal for transporting corrosive chemicals, acids, and solvents. The molybdenum content provides superior resistance to sulfuric acid environments compared to 304 oţel inoxidabil.
Oil & Gas Industry
Widely used in offshore platforms, downhole tubing, and chemical injection lines where exposure to saltwater and harsh hydrocarbons is common.
Pharmaceutical & Biotechnology
Meets strict purity requirements for pharmaceutical manufacturing equipment, including sanitization systems and process piping that undergo frequent steam sterilization without degradation.
Food & Beverage Processing
Non-reactive surface ensures product purity, making it suitable for food-grade applications including brewing, dairy processing, and beverage production lines.
Marine Engineering
Selected for seawater handling systems, shipbuilding components, and coastal infrastructure where saltwater corrosion is a constant challenge. 青岛跨海大桥’s 316L bolts remained corrosion-free after 10 years of salt spray exposure.
Aerospace & Defense
Used in aircraft exhaust systems and hydraulic lines that require high strength at elevated temperatures.
Power Generation
Suitable for heat exchangers, condensers, and piping in both conventional and nuclear power plants.
Quality Assurance & Certificări
We maintain the highest quality standards throughout the manufacturing process:
- ISO 9001:2008 certified quality management system
- SGS, BV, and TÜV inspected and approved
- 100% non-destructive electric testing or hydrostatic testing for every tube
- Material traceability from raw material to finished product
- Chemical composition verification through spectrometric analysis
- Mechanical testing including tensile, hardness, and elongation verification
Why Choose 316L Over 304?
While 304 stainless steel works well for general applications, 316L offers distinct advantages in demanding environments:
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Caracteristică
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316L Stainless Steel
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304 Oțel inoxidabil
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Chloride Resistance
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Excelent (PREN 26.3)
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Limited (PREN 19)
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Molybdenum Content
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2-3%
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None
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Weldability
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Superior (low carbon minimizes carbide precipitation)
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Bun
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High Temperature Performance
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Excelent
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Bun
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Marine Environment Suitability
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Excelent
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Limited
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Lifespan in Corrosive Environments
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10+ years typical
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2-5 years in harsh conditions
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Ambalare & Shipping
To ensure your 316L stainless steel tubes arrive in perfect condition:
- Standard packaging: Wooden crates, steel pallets with waterproof wrapping
- Custom packaging available for export
- Containerization optimized for sea freight
- Full documentation including material certificates, test reports, and packing lists
- Worldwide shipping with trusted logistics partners
- Typical lead time: 2-4 weeks for standard sizes, 4-6 weeks for custom orders
Custom Solutions Available
We understand industrial applications have unique requirements:
- Custom cutting to exact lengths
- Special surface treatments
- Large diameter and heavy-wall thickness options
- Welded or seamless construction
- Ultra-high purity grades for pharmaceutical applications
- Small minimum order quantities available for prototype projects
Contact our technical team to discuss your specific application requirements. Our engineers can provide material selection guidance and technical support to ensure you get the optimal tubing solution for your industrial needs.
Request a Quote
Pentru informații despre prețuri sau pentru a discuta cerințele dumneavoastră pentru țevi din oțel inoxidabil 316L, vă rugăm să contactați echipa noastră de vânzări. Oferim prețuri competitive atât pentru comenzi standard, cât și personalizate, cu reduceri de volum disponibile. Toate ofertele includ specificații tehnice și detalii despre certificarea materialelor.
