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Help Center316L Stainless Steel Sheet 1.5mm-3mm Thickness Hot Rolled No.1 Surface for Marine Applications
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As a leading supplier from Hemaokang Steel (Shandong) Co., Ltd., we are proud to offer our premium 316L Stainless Steel Sheet with 1.5mm-3mm thickness, Hot Rolled No.1 Surface, specifically engineered for demanding marine applications. Our sheets are manufactured with strict quality control, ensuring excellent corrosion resistance, high strength, and superior weldability. With our ISO9001-certified facility and export experience to over 15 global markets, we provide reliable solutions that meet the highest industry standards.
The 316L grade is a low-carbon version of 316 stainless steel, offering enhanced resistance to intergranular corrosion after welding. The No.1 surface finish – hot rolled, annealed, and pickled – provides a matte, uniform appearance ideal for further processing or direct use in harsh environments. Whether you need sheets for shipbuilding, offshore platforms, or chemical storage, our product delivers consistent performance.
We understand that marine environments demand materials that can withstand saltwater, humidity, and extreme temperatures. Our 316L sheets are specially formulated to resist pitting and crevice corrosion, making them a top choice for seawater applications. Each sheet undergoes rigorous inspection to ensure dimensional accuracy and surface quality.
Key Features & Technical Specifications
- Superior Corrosion Resistance: Excellent resistance to chlorides, acids, and alkaline solutions – ideal for marine and chemical environments.
- Low Carbon Content (≤0.03%): Minimizes carbide precipitation during welding, preserving corrosion resistance in heat-affected zones.
- High Strength & Durability: Tensile strength ≥485 MPa (70 ksi) and yield strength ≥170 MPa (25 ksi) for structural integrity.
- Excellent Formability & Weldability: Can be easily cut, bent, formed, and welded without compromising material properties.
- No.1 Surface Finish: Hot rolled, annealed, and pickled – matte appearance with good flatness, ready for painting or coating.
- Customizable Dimensions: Available in various widths (1000-2500mm) and lengths (2000-12000mm) to suit your project requirements.
- Strict Quality Control: Each sheet is tested for chemical composition, mechanical properties, and surface defects per ASTM A240 and EN 10088-2 standards.
- Wide Application Range: Shipbuilding, offshore oil & gas platforms, desalination plants, marine hardware, chemical tanks, and architectural cladding.
| Parameter | Value |
|---|---|
| Thickness Range | 1.5mm – 3.0mm (customizable) |
| Width Range | 1000mm – 2500mm |
| Length Range | 2000mm – 12000mm |
| Surface Finish | No.1 (Hot Rolled, Annealed, Pickled) |
| Grade | 316L (UNS S31603) |
| Standard | ASTM A240, EN 10088-2, JIS G4304 (optional) |
| Tensile Strength | ≥485 MPa |
| Yield Strength (0.2% offset) | ≥170 MPa |
| Elongation | ≥40% |
| Hardness (HRB) | ≤95 |
Benefits for Your Marine Projects
- Long Service Life: The 316L composition with molybdenum (2-3%) provides exceptional resistance to seawater corrosion, reducing maintenance costs and downtime.
- Welding Versatility: Low carbon content means you can weld without post-weld heat treatment, saving time and labor in fabrication.
- Consistent Flatness: Our hot rolling process combined with proper annealing ensures sheets have minimal warpage, making them easy to handle and install.
- Cost-Effective: Compared to higher alloy grades, 316L offers an excellent balance of performance and affordability for marine environments.
- Global Compliance: Meets international standards (ASTM, EN) and is accepted by classification societies like DNV, ABS, and Lloyd's (optional third-party certification available).
- Custom Sizes: We can cut sheets to your exact dimensions, reducing waste and additional processing steps.
Why Choose Hemaokang Steel?
Founded in 2025, Hemaokang Steel (Shandong) Co., Ltd. has quickly established itself as a reliable exporter of stainless steel products. With an annual export value between US$50 million and US$100 million, we serve clients across North America, South America, Europe, Southeast Asia, Africa, Oceania, the Middle East, and beyond. Our team of 51-100 dedicated professionals ensures that every order is processed with precision and care. We are ISO9001 certified, demonstrating our commitment to quality management systems.
Our factory is located in Liaocheng, Shandong – a major steel production hub in China. From our port of shipment in Qingdao, we can deliver your 316L stainless steel sheets quickly and efficiently. Whether you need a small trial order or a large container shipment, we offer flexible solutions and competitive pricing. Our experienced sales team is ready to assist with technical inquiries, sample requests, and customized packaging.
We are confident that our 316L Stainless Steel Sheets will meet your expectations for quality and performance. Contact us today to request a quote or discuss your specific requirements. Let us be your trusted partner for marine-grade stainless steel materials.
Frequently Asked Questions
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Q: What is the difference between 316 and 316L stainless steel?
A: 316L has a lower carbon content (≤0.03%) compared to 316 (≤0.08%). This reduces the risk of carbide precipitation during welding, making 316L more suitable for welded marine structures where corrosion resistance is critical. -
Q: Can these sheets be used in direct contact with seawater?
A: Yes, 316L is specifically designed for marine environments and offers excellent resistance to pitting and crevice corrosion in seawater. However, for stagnant or highly aggressive conditions, we recommend consulting our engineers for material selection. -
Q: What surface finish is No.1? Is it suitable for painting?
A: No.1 is a hot-rolled, annealed, and pickled finish with a matte, non-reflective surface. It is ideal for applications where the surface will be painted or covered, or where aesthetics are not primary. It can also be used as-is for industrial components. -
Q: Do you offer third-party inspection certificates?
A: Yes, we can arrange third-party inspections (e.g., SGS, BV, DNV) upon request. Additional testing such as ultrasonic testing, PMI, or hardness testing is also available at an extra cost. -
Q: What is the minimum order quantity (MOQ) for these sheets?
A: Our MOQ is typically 1 ton per size, but we can accommodate smaller trial orders for new customers. Please contact our sales team for details. -
Q: How long does delivery take?
A: For standard sizes, delivery is usually 15-25 working days after deposit. Custom sizes or special requirements may take longer. We ship from Qingdao port, and transit time depends on the destination. -
Q: Can you provide samples before bulk order?
A: Yes, we offer free samples of 200x200mm size. The customer only needs to bear the shipping cost. Contact us to arrange sample delivery. -
Q: Are these sheets suitable for food processing equipment?
A: 316L is food-grade stainless steel, but for food contact applications, we recommend a 2B or BA finish which is smoother and easier to clean. The No.1 surface is generally used for industrial components rather than food contact surfaces.
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