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Wuxi Yansheng Technology Co., Ltd. is a professional manufacturer with over 101–200 employees and a factory spanning 1,000–3,000 square meters in Wuxi, Jiangsu, China. Since 2017, we have been delivering premium Hot Rolled and Cold Rolled 304H Stainless Steel Sheets for industrial use. Our annual export value exceeds US$50 Million, and we serve markets across North America, South America, Europe, Southeast Asia, Africa, Oceania, and the Middle East. Our 304H sheets are designed to withstand high-temperature environments while maintaining excellent corrosion resistance, making them a preferred choice for industrial applications such as heat exchangers, boilers, and chemical processing equipment. With multiple certifications including ISO9001, ISO14000, OHSAS18001, and others, you can trust our products for consistent quality and reliability.
Key Features and Technical Specifications
Superior High-Temperature Performance: 304H has a higher carbon content (0.04–0.10%) than standard 304, which enhances its creep strength and resistance to oxidation at elevated temperatures (up to 800°C).
Hot Rolled & Cold Rolled Options: Hot rolled sheets offer a rough surface with good formability for heavy-duty structures; cold rolled sheets provide a smooth, bright finish ideal for precision fabrication and aesthetic applications.
Excellent Corrosion Resistance: Resists a wide range of corrosive media, including organic acids, alkaline solutions, and marine environments, reducing maintenance costs.
Outstanding Weldability and Formability: Can be easily welded, cut, bent, and polished to meet specific design requirements.
Consistent Thickness Tolerance: Manufactured under strict quality control to meet ASTM A240, JIS G4304, and EN 10088-2 standards.
Customizable Dimensions: Available in thicknesses from 0.3mm to 100mm, widths from 1000mm to 2500mm, and lengths up to 12000mm. Custom sizes are available upon request.
| Parameter | Hot Rolled (HR) | Cold Rolled (CR) |
|---|---|---|
| Surface Finish | No.1 (matte, rough) | 2B, BA, 8K (bright, smooth) |
| Thickness Range | 3.0mm – 100mm | 0.3mm – 3.0mm |
| Typical Application | Structural components, pressure vessels | Precision parts, food equipment, architectural trim |
| Yield Strength (min) | 205 MPa | 205 MPa |
| Tensile Strength (min) | 520 MPa | 520 MPa |
Benefits for Your Business
Cost-Effective: Optimized material composition reduces weight while maintaining strength, leading to lower transportation and fabrication costs.
Long Service Life: High corrosion and oxidation resistance minimizes replacement frequency, even in harsh industrial environments.
Easy Processing: Supports various secondary operations (cutting, bending, welding, punching) without compromising material integrity.
Global Compliance: Meets international standards, ensuring seamless integration into your supply chain.
Reliable Supply: With a factory capacity of 1,000–3,000 sqm and annual export value over US$50M, we ensure timely delivery from Tianjin, Shanghai, Qingdao, or Ningbo ports.
Trust & Credibility
Wuxi Yansheng Technology Co., Ltd. has been a trusted manufacturer since 2017, with 101–200 skilled employees dedicated to quality control. Our facility is certified under multiple management systems including ISO9001, ISO14000, OHSAS18001, HACCP, TL900, QS9000, SA8000, and more. We ship to 14 major markets worldwide, including domestic China, and have established long-term partnerships with clients in North America, Europe, and Southeast Asia. Our professional team provides end-to-end support – from sample testing to customized packaging and logistics. Choose our 304H stainless steel sheets to enhance your product durability and operational efficiency. Contact us today for a quote or to discuss your specific requirements.
Frequently Asked Questions (FAQ)
Q1: What is the difference between 304 and 304H stainless steel?
A: 304H has a higher carbon content (0.04%–0.10%) compared to standard 304 (≤0.08%). This gives 304H better creep strength and oxidation resistance at elevated temperatures, making it ideal for high-temperature industrial applications.
Q2: Can you provide both hot rolled and cold rolled sheets in the same order?
A: Yes, we can supply both types in a single order. We offer custom cutting and processing to meet your specific requirements. Please specify the surface finish and dimensions you need.
Q3: What certifications do your 304H sheets carry?
A: Our products are manufactured under ISO9001, ISO14000, OHSAS18001, and other certified management systems. We can provide mill test certificates (MTC) and third-party inspection reports upon request.
Q4: What is the minimum order quantity (MOQ) for 304H sheets?
A: For standard sizes, the MOQ is typically 1 ton. For custom sizes or special surface finishes, the MOQ may vary. Please contact our sales team for detailed information.
Q5: How do you ensure the flatness and thickness tolerance of the sheets?
A: We use advanced leveling and rolling equipment, combined with strict in-process inspection. Our thickness tolerance meets ASTM A240 standards, and we can offer tighter tolerances if required.
Q6: What are the typical lead times for delivery?
A: For standard sizes, lead time is 15–20 days after order confirmation. For custom sizes, it may extend to 25–30 days. We ship from major Chinese ports, including Tianjin, Shanghai, Qingdao, and Ningbo.
Q7: Can you provide surface treatment services like polishing or coating?
A: Yes, we offer additional processing services such as polishing (2B, BA, 8K), coating, and edge trimming. These services are customizable and can be arranged at an additional cost.
Q8: Do you offer free samples for quality testing?
A: We provide samples for evaluation. The sample is free, but the customer is responsible for shipping costs. Please contact us to request a sample and discuss your testing requirements.
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