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Hemaokang Steel (Shandong) Co., Ltd. is a trusted manufacturer and exporter of high-quality stainless steel products, with annual export values ranging from US$50 Million to US$100 Million. Our 316L Stainless Steel Pipe Welded 2B Finish is engineered to meet the rigorous demands of corrosive environments, offering superior durability and a smooth, bright surface. With wall thickness options from 0.5mm to 10mm, these pipes provide flexibility for a wide range of industrial applications, from chemical processing to food production. We take pride in our ISO9001-certified quality management system, ensuring each pipe meets international standards.
Our welded pipes are manufactured using advanced TIG and plasma welding techniques, followed by a 2B finish (bright annealed) that delivers a uniform, reflective surface. This finish not only enhances aesthetics but also improves corrosion resistance and ease of cleaning. The 316L grade (low carbon) minimizes carbide precipitation during welding, making it ideal for applications requiring high corrosion resistance, such as in marine, pharmaceutical, and petrochemical sectors.
Key Features & Specifications
- Material Grade: 316L (UNS S31603) – Low carbon austenitic stainless steel
- Surface Finish: 2B – Bright annealed, smooth, and reflective
- Wall Thickness Range: 0.5mm – 10mm (customizable within this range)
- Outer Diameter Range: 6mm – 914mm (other sizes available upon request)
- Standard Length: 6 meters (custom lengths up to 12m or as required)
- Welding Methods: TIG (GTAW), Plasma, or High-frequency Induction Welding
- Certifications: ISO9001:2015, product meets ASTM A312 / A269 / A213, EN 10217-7
- End Finish: Plain ends, beveled ends, or threaded (optional)
- Applications: Chemical processing, food & beverage, pharmaceutical, marine, oil & gas, heat exchangers
Technical Specifications (Typical)
| Parameter | Value |
|---|---|
| Tensile Strength (min) | 485 MPa |
| Yield Strength (0.2% offset, min) | 170 MPa |
| Elongation (min) | 40% |
| Hardness (Rockwell B) | ≤ 95 HRB |
| Corrosion Resistance | Excellent in chloride and acidic environments |
| Heat Treatment | Solution annealed at 1040-1120°C |
Advantages for Your Business
- Exceptional Corrosion Resistance: 316L offers superior protection against pitting and crevice corrosion, especially in chloride-rich environments. This reduces maintenance costs and extends service life.
- Excellent Weldability: Low carbon content prevents sensitization during welding, ensuring strong, corrosion-resistant joints without the need for post-weld heat treatment.
- Smooth 2B Finish: The bright annealed surface minimizes friction and bacterial adhesion, making it ideal for sanitary applications in food, dairy, and pharmaceutical industries.
- Versatile Wall Thickness Options: From ultra-thin 0.5mm for lightweight structures to 10mm for high-pressure systems, our pipes cater to diverse project requirements.
- Customizable Dimensions: We offer non-standard outer diameters, lengths, and end finishes to match your exact specifications.
- Reliable Quality Assurance: Every batch is tested for chemical composition, mechanical properties, and hydrostatic pressure to ensure compliance with international standards.
Why Choose Hemaokang Steel?
As a company established in 2025, we have rapidly grown to serve a global network spanning North America, South America, Europe, Asia, Africa, and Oceania. Our team of 51-100 skilled employees operates from our facility in Liaocheng, Shandong, China, a hub for steel manufacturing. We maintain an annual export value of US$50–100 Million, reflecting our capacity to handle large-volume orders with consistent quality. Our ISO9001:2015 certification underscores our commitment to continuous improvement and customer satisfaction.
We understand that each project has unique demands. That’s why we offer flexible packaging, prompt shipping, and technical support throughout the supply chain. Whether you need a small sample for testing or a bulk order for a major infrastructure project, we are ready to deliver.
Contact us today to request a quote or discuss your specific requirements. Let Hemaokang Steel be your reliable partner for high-performance stainless steel pipes.
Frequently Asked Questions (FAQ)
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Q: What is the difference between 316L and 316 stainless steel?
A: 316L has a lower carbon content (max 0.03%) compared to 316 (max 0.08%). This reduces the risk of carbide precipitation during welding, enhancing corrosion resistance in welded areas. -
Q: Can you provide pipes with a wall thickness of exactly 0.5mm?
A: Yes, we can produce pipes with wall thicknesses from 0.5mm to 10mm, including customized thicknesses within that range. Please specify your exact requirement. -
Q: What is the typical lead time for bulk orders?
A: For standard sizes and thicknesses, lead time is approximately 15-25 days after order confirmation. Custom sizes may require 25-35 days, depending on quantity. -
Q: Do you offer third-party inspection services?
A: Yes, we can arrange inspection by third-party agencies such as SGS, BV, or TÜV at the buyer's request. Additional costs may apply. -
Q: Is the 2B finish suitable for food-grade applications?
A: Yes, the 2B bright annealed finish provides a smooth, non-porous surface that is easy to clean and meets sanitary standards for food and pharmaceutical processing. -
Q: What is the maximum outer diameter you can produce?
A: Our manufacturing capabilities cover outer diameters up to 914mm (36 inches). For larger diameters, please consult our sales team. -
Q: Do you provide any warranty on your pipes?
A: We offer a standard warranty against manufacturing defects for 12 months from the date of shipment. Specific terms can be discussed in the contract. -
Q: Can you supply pipes with special end finishes like threading or grooving?
A: Yes, we can provide plain ends, beveled ends, threaded ends, or grooved ends as per your specifications.
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