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309/309S Stainless Steel Plate
We supply 309 and 309S stainless steel plates, high-alloy austenitic grades designed for prolonged service in elevated temperature environments. With high chromium and nickel content, these plates offer excellent oxidation resistance, thermal stability, and corrosion resistance in both oxidizing and reducing atmospheres, making them ideal for heat-intensive industrial applications.
+86 153 7635 6088
+86 153 7635 6088
info@jtl-steel.com
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The 300 series stainless steel is a high-performance stainless steel series based on chromium-nickel austenitic structure. Its typical representatives include grades such as 304, 316, and 317. By adjusting the proportions of key alloying elements such as chromium, nickel, and molybdenum, the series achieves differentiated performance improvements in oxidation resistance, corrosion resistance, and high-temperature strength while maintaining excellent toughness, weldability, and formability. This series of materials demonstrates reliable stability in ordinary atmospheres, freshwater, chemical media, and high-temperature environments.

As a source manufacturer, we offer a complete range of products compliant with multiple international standards such as ASTM, EN, and JIS. We support customization of thickness, dimensions, surface finishes, and deep processing services. Through a full-process quality control system and comprehensive certification assurance, we provide reliable, standard-compliant stainless steel material solutions for various industries.


Product Name309S Stainless steel sheet
Production technologyCold rolling or hot rolling
Steel GradeASTM301,302,302B,303,303Se,304,304L,305,384,309,310,314,30S5,310S,316,316L,317,321,347,348
StandardAiSi, ASTM, BS, DIN, GB, JIS , etc.
Length1000~6000MM,Customizable
Width100mm-2500mm,Customizable
Thickness0.1mm-300mm,Customizable
Tolerance±1%
SampleProvided Within 3 Days
ApplicationIndustry,Construction, Ship Components
Processing ServiceBending, Welding, Decoiling, Punching, Cutting
SurfaceBA/2B/#1/#3/#4/8K/HL/2D/1D/etc. Customizable
ShapeRound or Rectangle.Customizable


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详情标题1-产品详情


Stainless steel plate is a widely used industrial material, because of its corrosion resistance, high beauty, high strength characteristics, widely used in household appliances, medical equipment, building decoration, automobile manufacturing and other fields. The production process of stainless steel plate includes casting, rolling, heat treatment and other links.


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详情标题2-生产线


This stainless steel plate production line integrates precision rolling, heat treatment, and finishing processes to ensure products meet high standards in both intrinsic properties and surface quality. The hot rolling section utilizes high-power reversible roughing mills and multi-stand finishing mill groups, enabling efficient rolling of various wide slabs. Through short stress path design and horizontal/vertical alternating layouts, it achieves precise control over plate thickness and flatness. The core heat treatment process employs roller hearth solution furnaces with online quenching systems to optimize the material's metallurgical structure, consistently enhancing corrosion resistance and mechanical properties. The finishing section is equipped with multi-roll levelers, high-power shot blasting units, and phased array ultrasonic and eddy current combined inspection systems, comprehensively ensuring plate flatness, surface cleanliness, and internal quality. The entire line supports various stainless steel grades and customized cutting, meeting stringent requirements in architectural decoration, chemical equipment, high-end appliances, and other fields.


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详情标题3-检测


In order to ensure product quality, we will arrange professional personnel to check product quality, packaging, weight, hardness, etc., according to customer requirements of product specifications, looking for high-quality and cheap cooperative factories in China, to provide customers with one-stop procurement services and quality assurance.


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详情标题4-发货


Excellent packaging: waterproof paper and plastic film + iron cover + at least three strapping straps + strapping straps fixed on iron or wood pallets can effectively protect products from corrosion and various climate changes during transportation. Generally speaking, we ship from Shanghai, Tianjin, Qingdao and Ningbo ports. We have worked with many experienced shipping companies for a long time to find the most suitable mode of transportation for you.


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