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Help CenterStainless Steel Pipe 304 With Mill Test Report 1 Year Warranty for Industrial Use
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Hemaokang Steel (Shandong) Co., Ltd. is proud to offer high-quality Stainless Steel Pipe 304 with complete Mill Test Report and a 1 Year Warranty, designed specifically for demanding industrial applications. As a trusted supplier with annual export value between US$50 million and US$100 million, we ensure every pipe meets rigorous standards for durability, corrosion resistance, and dimensional accuracy. Our pipes are crafted from premium 304 stainless steel, providing excellent performance in harsh environments, and are backed by our ISO9001 certification to guarantee consistent quality from production to delivery.
Whether you need seamless or welded options, our Stainless Steel Pipe 304 is available in a wide range of sizes and wall thicknesses to suit your specific requirements. Each pipe is accompanied by a detailed Mill Test Report that traces the chemical composition, mechanical properties, and heat treatment history, giving you full confidence in the material integrity. With a one-year warranty, we stand behind the reliability of our products, ensuring your industrial operations run smoothly without unexpected downtime.
Key Features & Technical Specifications
- Material Grade: 304 Stainless Steel (UNS S30400) – Excellent corrosion resistance, high strength, and good formability.
- Manufacturing Standards: Compliant with ASTM A312 / ASME SA312 for seamless and welded pipes, ensuring dimensional tolerances and mechanical properties.
- Available Sizes: Outer diameter from 1/8 inch to 24 inches, wall thickness from Schedule 10S to XXS, and custom lengths up to 12 meters.
- Surface Finishes: Options include annealed and pickled (2B), bright annealed, or polished finish (optional).
- Mill Test Report: Provided with each batch, including chemical analysis (C, Si, Mn, P, S, Cr, Ni) and mechanical tests (tensile strength, yield strength, elongation).
- Warranty: 1 year against manufacturing defects, covering material and workmanship.
- Certifications: ISO9001:2015 quality management system, ensuring consistent process control.
| Parameter | Typical Value |
| Tensile Strength (min) | 515 MPa |
| Yield Strength (0.2% offset, min) | 205 MPa |
| Elongation (min) | 35% |
| Hardness (Rockwell B) | ≤ 90 |
| Corrosion Resistance | Excellent in mild chemical environments |
Our Stainless Steel Pipe 304 is engineered to deliver long service life in industrial settings such as oil & gas pipelines, chemical processing plants, food and beverage equipment, and water treatment systems. The combination of 304 grade material and precise manufacturing ensures low maintenance costs and high resistance to oxidation and rust. Additionally, the availability of both seamless and welded types allows you to choose the most cost-effective solution for your application without compromising performance.
Why Choose Hemaokang Steel?
As a newly established company in 2025, Hemaokang Steel has quickly gained a reputation for reliability and professionalism. We have a dedicated team of 51–100 employees and export to markets across North America, South America, Europe, Asia, Africa, and Oceania. Our ISO9001 certification reflects our commitment to quality control at every stage, from raw material procurement to final inspection. With annual export value exceeding US$50 million, we have the capacity to fulfill large orders while maintaining strict delivery schedules.
Every pipe we supply comes with a comprehensive Mill Test Report, ensuring full traceability and compliance with international standards. Our 1-year warranty gives you peace of mind, and our experienced sales team is always ready to provide technical support and customized solutions. Contact us today to request a quote or obtain samples – we are confident that our Stainless Steel Pipe 304 will exceed your expectations.
Frequently Asked Questions (FAQ)
- What is the difference between seamless and welded 304 stainless steel pipes? Seamless pipes are manufactured without a weld seam, offering higher pressure ratings and uniform strength. Welded pipes are more cost-effective and suitable for lower pressure applications. Both are available from our stock.
- Do you provide custom sizes or lengths? Yes, we can customize outer diameter, wall thickness, and length according to your drawings or specifications. Please contact our sales team with your requirements.
- What is included in the Mill Test Report? The report includes chemical composition (C, Si, Mn, P, S, Cr, Ni), mechanical properties (tensile, yield, elongation), heat treatment details, and dimensional inspection results.
- How long is the warranty period? We offer a 1-year warranty against manufacturing defects. If any issue arises due to material or workmanship, we will replace or refund the product.
- Which industries commonly use 304 stainless steel pipes? They are widely used in chemical processing, food and beverage, pharmaceutical, oil and gas, water treatment, and construction industries due to their corrosion resistance and hygiene.
- Can you provide third-party inspection? Yes, we can arrange inspection by SGS, BV, or other accredited agencies upon request. The cost is negotiable.
- What is the minimum order quantity (MOQ)? MOQ depends on the size and type. For standard sizes, MOQ is typically 1 ton. For non-standard sizes, please inquire.
- How do you ensure the quality of each shipment? We follow ISO9001 procedures, conduct in-process inspections, and perform final dimensional and pressure tests. Each batch is accompanied by the Mill Test Report.
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