Altimexor Metal Altimexor Metal

304L No. 4 Stainless Steel Sheet (ASTM A240 / EN 1.4307) - Cold Rolled for Industrial Applications

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Product Description

Basic Information
Grade:300 Series
Certification:ISO, RoHS, IBR, AISI, ASTM, GB, EN, DIN, JIS, SGS
Shape:Flat
Technique:Cold Rolled
Surface:2b/No.4/Hl/Ba/Mirror
Quality:Premium Grade Stainless Steel
Package:Standard Export Packaging
Specification:Sizes per customer order
300 Series Austenitic Stainless Steel Sheet
304L No. 4 Stainless Steel Sheet
Cold Rolled Stainless Steel
Industrial Stainless Steel Applications
304L Stainless Steel Material

With over 15 years of industry presence, our manufacturing operations are housed in an integrated 20,000+ sqm facility. We specialize in precision processing, advanced surface finishing, and comprehensive supply chain management to deliver high-quality stainless steel solutions globally.

Processing Capabilities
Processing Capability 1
Processing Capability 2
Processing Capability 3
Production Category Core Equipment & Capabilities
Precision Processing High-precision slitting lines, cut-to-length lines with tension leveling systems for producing coils and sheets with accurate dimensions and superior flatness.
Surface Treatment Automated brushing & polishing, sandblasting, advanced PVD coating, and laser etching equipment for functional and decorative finishes.
Material Grades & Selection
Grade Selection 1
Grade Selection 2
Grade Selection 3
Grade U.S. (UNS) EU (EN) Key Properties Primary Application
304 S30400 1.4301 Standard universal grade. Excellent corrosion resistance and formability. Kitchenware, food processing, architectural trim.
304L S30403 1.4307 Low-carbon version of 304. Minimizes carbide precipitation during welding. Chemical containers, welded structures.
316 S31600 1.4401 Molybdenum-bearing grade. Superior resistance to pitting in chloride environments. Marine fittings, pharmaceutical equipment.
316L S31603 1.4404 Low-carbon 316. Excellent resistance to weld decay. Marine and high-purity piping systems.
321 S32100 1.4541 Titanium-stabilized grade. Prevents chromium carbide formation at high temps. Aircraft exhaust, heat exchangers.
Available Specifications & Finishes
Surface Finish 1
Surface Finish 2
Surface Finish 3
Category Specification Details / Notes
Dimensions Thickness 0.2mm to 5.0mm with various step increments. Custom gauges on request.
Width Standard 600mm to 1550mm. Custom slitting available down to 22mm.
Finishes Standard Mill 2B (Matte), BA (Bright Annealed).
Mechanical No.4 (Brushed), HL (Hairline).
Packaging & Shipping
Packaging Detail 1
Packaging Detail 2
Packaging Detail 3
Why Choose Our Solutions
  • 1
    From Specification to Solution: Expert guidance to select the optimal grade and finish balancing performance and cost for your project.
  • 2
    Controlled Quality: Sourcing prime raw materials from top-tier mills ensuring superior metallurgical consistency and dimensional accuracy.
  • 3
    Integrated Supply Chain: Core processing combined with access to specialist finishes, offering comprehensive one-stop solutions.
Frequently Asked Questions
Q: What is the main difference between 304 and 316 stainless steel?

A: 304 contains 18% chromium and 8% nickel, while 316 contains 16% chromium, 10% nickel, and 2% molybdenum. The molybdenum in 316 provides much better resistance to chlorides and marine environments.

Q: Do you provide Mill Test Certificates (MTC)?

A: Yes, all shipments are accompanied by a Mill Test Certificate (MTC) per EN 10204 3.1, guaranteeing chemical composition and mechanical properties.

Q: Can you customize the width of the stainless steel sheets?

A: Absolutely. We have high-precision slitting lines that can customize widths from a minimum of 22mm up to 1550mm depending on your requirements.

Q: What surface finishes are best for decorative purposes?

A: For decoration, Mirror, Hairline (HL), and PVD Coating (such as Gold or Rose Gold) are the most popular choices due to their aesthetic appeal.

Q: How do you ensure the material doesn't get damaged during sea transport?

A: We use sea-worthy packaging including waterproof paper, PE film wrapping, steel edge protectors, and fumigation-free pallets secured with heavy-duty steel strapping.

Q: What international standards do your products comply with?

A: Our stainless steel products comply with major international standards including ASTM A240/A480, EN 10088-2, and JIS G4305.

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