ASTM A240/A240M Stainless Steel Plate
Your Professional ASTM A240A240M Stainless Steel Plate Supplier
Our goal is to become your true partner in the field of ASTM A240/A240M stainless steel plate in China. Gnee Steel Group is committed to becoming the world's most internationally competitive supply chain group, meeting the different needs of different customers. We have a skilled engineering team dedicated to refining every stage, from product development and process improvement to production oversight, ensuring every product delivered meets rigorous quality and performance standards. The price is competitive and the product is quality-assured, which is a good choice for your long-term cooperation.
Why Choose Us
Our certification:
Our company has obtained SGS certification. We have also passed ISO9001 and ISO14001 environmental management system certification.
Quality control:
All our products are made of the highest quality materials and are subject to factory inspection, cargo inspection at any time.
Our capacity:
We have established long-term cooperative relationships with dozens of factories to ensure the production of our products, and our annual export volume exceeds 80,000 tons.
Our services:
In the pre-sales stage, our team of experts will recommend the most suitable products according to the needs of customers and provide detailed technical consultation. During the sales period, we ensure timely delivery and provide installation guidance.
Advantages of ASTM A240A240M Stainless Steel Plate
High corrosion resistance: Stainless steel is resistant to moisture, corrosive substances, and oxidizing acids. This resistance is enhanced in grades with higher chromium, molybdenum, and nickel content.
Excellent mechanical properties: ASTM A240 plates possess a combination of high tensile strength and durability, with high impact resistance and toughness.
Hygienic and easy to clean: The smooth, non-porous surface of stainless steel prevents bacteria from harboring, making it easy to sanitize.
Fabrication and formability: Plates can be easily formed, machined, and welded into various complex shapes.
Superior aesthetics: The sleek, modern, and bright metallic finish of stainless steel remains attractive even after extended exposure to harsh conditions.
ASTM A240A240M Stainless Steel Plate Specification
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Items |
Stainless Steel Sheet/Stainless Steel Plate |
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Standard |
AISI ASTM DIN JIS GB JIS SUS EN etc |
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Technique |
Hot rolled/Cold rolled |
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Length |
4m-12m or as required |
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Width |
0.6m-3m or as required |
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Thickness |
0.1mm-300mm or as required |
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Surface Treatment |
Clean blasting and painting according to customer requirement |
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Thickness tolerance |
±0.1mm |
±0.15mm |
±0.1mm |
±0.15mm |
±0.1mm |
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Material |
Grade(ASTM UNS): 201 202 301 304 304L 321 316 316L 317L 347H 309S 310S 904L S32205 2507 254SMOS 32760 253MA N08926 etc.
Grade (EN): 1.4301, 1.4307, 1.4541, 1.4401, 1.4404 ,1.4571, 1.4438, 1.4539, 1.4547, 1.4529, 1.4562, 1.4410, 1.4878, 1.4845, 1.4828, 1.4876, 2.4858, 2.4819 |
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Supply Ability |
5000 Ton/Tons per Month |
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Certification |
CE, ISO, SGS, BV |
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Features of ASTM A240A240M Stainless Steel Plate
Thickness range:
The ASTM A240 specification covers multiple thickness ranges of stainless steel plates to meet the needs of different applications. Common thickness ranges include thin (< 3.0 mm), medium (3.0 - 20.0 mm) and thick (> 20.0 mm).
Surface treatment and appearance requirements:
ASTM A240 specifications specify the surface treatment requirements for stainless steel plates, such as hot rolling, cold rolling, passivation, etc. In addition, appearance requirements such as surface flatness, acceptance levels of scratches and defects are also specified.
Additional requirements:
ASTM A240 specifications may also include additional requirements for specific applications and user needs. For example, for food contact applications, compliance with specific food grade requirements or hygiene standards may be required.
Food and beverage:
Tanks, conveyors, covers, and washdown areas that need cleanable surfaces and stable finishes.
Water and wastewater:
RO skids, clarifier parts, ladders, and hardware where wet service never stops.
Chemical and pharma:
Process vessels, ducting, and frames that face aggressive cleaners or corrosive media.
Energy and power:
Heat resistant components in high temperature zones and balance of plant items that demand durability.
Architecture and public spaces:
Facades, handrails, and panels where appearance and longevity matter.
Production Process of ASTM A240A240M Stainless Steel Plate
Melt and refine: Everything begins with chemistry. The melt shop chooses the charge mix to hit the intended grade and to minimize unwanted tramp elements. Refining uses processes like argon oxygen decarburization or vacuum oxygen decarburization to bring carbon to the correct level while holding chromium and nickel in range.
Cast clean slabs: The refined steel is cast as slabs on a continuous caster. Mold powder and controlled cooling prevent surface defects and internal segregation. Slab dimensions are chosen to suit the final plate sizes and thickness range.
Reheat and hot rolling: Slabs enter a reheat furnace then move through roughing and finishing passes on the plate mill. Temperature control and reduction schedules shape the plate and align the microstructure for strength and formability. Inline measurements track thickness, crown, and flatness.
Heat treatment for stainless grades: Most austenitic plates receive solution annealing to dissolve carbides and restore corrosion resistance. The plate is heated to the correct solution range then rapidly quenched in water or a suitable medium.
Pickling and passivation: Rolling and heat treatment leave scale and heat tint on the surface. Chemical pickling removes these layers. Passivation restores the chromium rich oxide that gives stainless its corrosion resistance. For food and pharma service, finishing steps May also target a specific surface roughness that supports cleanability.
Leveling trimming and identification: Plates are leveled for flatness then trimmed to final size. Edge quality and squareness support faster fit up in fabrication. Each plate is hard stamped or stenciled with the grade, size, and heat number so inspection teams can track materials at every stage.
Packing and Shipping of ASTM A240A240M Stainless Steel Plate
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Packing |
Standard export packing (inside:water proof paper,outside:steel covered with strips and pallets) |
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Shipping |
Shipped by road, sea, rail |
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