Certified Stainless Steel Plate & Sheet Manufacturer

 

We manufacture, stock, and process high-performance stainless steel plates and sheets for heavy industrial fabrication, chemical processing, medical engineering, and precision automated manufacturing.

 

Our production lines fully comply with ASTM A240, EN 10088-2, and JIS G4305 specifications, delivering flat-rolled steel solutions with restricted thickness tolerances and complete metallurgical traceability.

 
  • Cold Rolled Stainless Steel Plate
    Our Cold Rolled Stainless Steel Plate is manufactured from high-quality stainless steel coils through precision cold rolling processes, providing excellent surface quality, consistent thickness,...
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  • Hot Rolled Stainless Steel Plate
    Hot-rolled stainless steel plate is a medium-thick stainless steel plate produced by high-temperature rolling process.
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  • Duplex Stainless Steel Plate
    Duplex stainless steel is a type of stainless steel with both austenitic and ferritic structures. It has high strength, excellent corrosion resistance and resistance to stress corrosion cracking,...
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  • 201 202 Stainless Steel Plate
    201/202 stainless steel sheet is an economical austenitic stainless steel sheet with good corrosion resistance, formability and weldability. It is widely used in building decoration, furniture...
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  • 304 304l Stainless Steel Sheet
    304 / 304L Stainless Steel Sheet is a general-purpose austenitic stainless steel sheet with excellent corrosion resistance, formability and weldability. It is widely used in food equipment,...
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  • 316/ 316L Stainless Steel Plate
    316/316L Stainless Steel Plate is a molybdenum-containing austenitic stainless steel plate with excellent corrosion resistance, pitting resistance and weldability, making it suitable for...
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Material Grades & International Standards

 

Standard / SpecificationAlloy SeriesCommon GradesEquivalent GradesKey Characteristics & Project Alignment
(ASTM / UNS)(EN / DIN)
ASTM A240 / ASME SA240Austenitic (Food Grade)304 / S304001.4301Excellent general corrosion resistance. 304L features restricted carbon content ($\le 0.03\%$) to eliminate carbide precipitation during heavy welding. Common in food processing, sanitary ware, and commercial appliances.
304L / S304031.4307
ASTM A240 / ASME SA240Austenitic (Marine Grade)316 / S316001.4401Molybdenum-bearing configuration. Engineered for severe chloride, high-salinity, and marine environments. Highly resistant to pitting and crevice corrosion; essential for pharmaceutical, chemical storage tanks, and coastal infrastructure.
316L / S316031.4404
ASTM A240 / ASME SA240High-Temp Alloys310S / S310081.4845Outstanding thermal stability. 310S provides oxidation resistance up to $1050^\circ\text{C}$. 321 is titanium-stabilized to prevent intergranular corrosion under continuous elevated service thermal profiles ($400^\circ\text{C} - 800^\circ\text{C}$).
321 / S321001.4541
ASTM A240 / ASME SA240Duplex AlloysDuplex 2205 / S318031.4462High strength & zero-leak performance. Mixed austenitic-ferritic microstructure delivering twice the mechanical yield strength. Engineered for aggressive chemicals, oil & gas extraction, and seawater desalination ($\text{PREN} > 40$).
Super Duplex 2507 / S327501.441
ASTM A240 / JIS G4305Ferritic Series430 / S430001.4016Economic & Magnetic. Chromium-ferritic stainless steel combining good corrosion resistance with optimized formability for indoor architectural elements and automotive trim panels.
ASTM A240 / JIS G4305Martensitic Series410 / S410001.4006Hardenable Alloys. Provides high hardness, superior mechanical wear resistance, and moderate corrosion resistance. Designed for industrial tooling, scraper blades, and wear plates.
420 / S420001.4021

 

Manufacturing capacity

 

High-Precision Leveling & Flattening
Heavy-duty leveling processes eliminate internal material stresses, ensuring flatness tolerances within ≤2mm to prevent plate warping during continuous high-speed automated feeding.

 

Precision Cutting Operations
Fiber Laser Cutting: Tight dimensional tolerances within ±0.05mm for intricate geometric profiles.

Water-Jet Cutting: Ideal for heavy hot-rolled plates requiring precision edge contours without creating heat-affected zones (HAZ) or micro-structural alterations.

Plasma & Flame Cutting: Optimized for ultra-thick industrial industrial sheets.

Edge & Shape Configuration: Custom hydraulic press bending, accurate roll-forming, mechanical slotting, and specialized weld beveling (V, X, K preparation) for rapid site assembly.

 

Quality Assurance, Compliance & Traceability
 

Positive Material Identification (PMI): 100% non-destructive handheld XRF spectrometer validation on all finished plates prior to packaging, ensuring absolute compliance of Cr, Ni, and Mo alloy percentages.

 

Mechanical & Metallurgical Auditing: Destructive evaluation covering Yield Strength, Ultimate Tensile Strength, Rockwell/Brinell Hardness, and Charpy V-Notch impact performance.

 

Intergranular Corrosion Resistance: Evaluated strictly under ASTM A262 Practice A/E standards to guarantee long-term performance in chemical and acidic processing environments.

 

Internal Structural Analysis: Nondestructive Ultrasonic Testing (UT) executing under ASTM A435 / ASTM A578 Level A/B parameters to identify potential subsurface laminations or voids within heavy hot-rolled structural plates.

 

Third-Party Inspection (TPI) Readiness: We completely welcome independent auditing by international verification bodies including SGS, Bureau Veritas (BV), TÜV, and Intertek for loading oversight, thickness audits, and EN 10204 3.2 certified witness protocols.

 

Export Packaging & Maritime Logistics Optimization

 
 
01
 

ISPM 15 Fumigated Timber & Rigid Frame Systems:

 Heavy structural wooden skids or engineered steel-frame pallets built to support extreme point-load weights while facilitating efficient forklift and overhead crane entry.

 
02
 

Comprehensive Anti-Corrosion Wrap:

Complete sealing inside multilayer heavy-gauge waterproof VCI (Volatile Corrosion Inhibitor) plastic film combined with heavy kraft paper wraps to eliminate marine salt-air moisture ingress.

 
03
 

Corner & Edge Reinforcement:

 High-tensile steel banding configured with heavy-duty edge guards to insulate the stainless plate boundaries against strap indentation or shifting.

Cold Rolled Stainless Steel Plate

 

 

FAQ

 

 

Q: Can your stainless steel plates comply with European EN 10088 and American ASTM A240 standards simultaneously?

A: Yes. Our material configurations are engineered with strict dual-certification parameters. The chemical compositions and mechanical properties of our sheets are audited to satisfy both ASTM A240 and EN 10088-2 standards concurrently, allowing seamless cross-border engineering project compliance.

Q: Do you support small trial orders or mixed container loading?

A: Yes. For common commercial sizes and standard grades (such as 304 and 316L), we maintain a consistent stock profile enabling flexible sourcing configurations down to individual pallets. For specialized custom-rolled thicknesses or non-standard dimensions, our typical mill-run run requirement is 5 to 10 metric tons per specification, supporting mixed-specification container configurations.

Q: How do you protect brushed and mirror surfaces from heat-damage during laser cutting?

A: We apply high-density fiber laser protective films (white-and-black PE or specialized blue films) manufactured by international suppliers like Novacel. These films feature optimized absorption profiles for modern 1μm wavelength fiber lasers, allowing the laser beam to cut through the film and steel cleanly in a single pass without melting the film, causing edge soot, or warping the underlying finish.

Q: What is the process for reviewing official mill test documents?

A: A digital copy of our EN 10204 3.1 Mill Test Certificate—detailing chemical element breakdown, mechanical validation, heat numbers, and compliance markers—is issued immediately via email upon cargo dispatch. The certified hard copies are sealed inside waterproof document enclosures and attached directly to the interior container walls alongside the bill of lading.

As one of the most professional stainless steel plate sheet manufacturers and suppliers in China since 1995, we're featured by quality products and good price. Please rest assured to buy premium stainless steel plate sheet for sale here from our factory. Contact us for more details.

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