Altimexor Metal Altimexor Metal

304 Hl Stainless Steel Sheet (ASTM A240 / EN 1.4301) - Cold Rolled for Architectural & Industrial Cladding

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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 Treatment
2b/No.4/Hl/Ba/Mirror
Stainless Steel
Premium Quality
Transport Package
Export Seaworthy Packing
Specification
Sizes upon specific customer order

300 Series Austenitic Stainless Steel Sheet

Reliable processor and supplier of stainless steel. Operating from an integrated 20,000+ sqm facility dedicated to precision processing, surface finishing, and supply chain management. We focus on delivering high-quality stainless steel products and solutions to customers worldwide.

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Processing Capabilities

Capability 1
Capability 2
Capability 3
Production Line 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 & Finishing Automated brushing & polishing, sandblasting, advanced PVD coating, and laser etching equipment for functional and decorative finishes.

Material Grades & Selection

Material 1
Material 2
Material 3
Grade U.S. (UNS) EU (EN) Key Properties Primary Application
304 S30400 1.4301 Standard universal grade. Excellent corrosion resistance. Kitchen equipment, food processing, architectural trim.
304L S30403 1.4307 Low-carbon version of 304. Prevents carbide precipitation. Welded structures, chemical containers.
316 S31600 1.4401 Molybdenum-bearing. Superior resistance to pitting. Marine fittings, coastal architecture, pharmaceutical.
316L S31603 1.4404 Low-carbon 316. Resistant to weld decay. Pressure vessels, piping in corrosive settings.
301 S30100 1.431 High work-hardening rate for high strength. Railway cars, automotive frames, springs.
321 S32100 1.4541 Titanium-stabilized for high temperatures. Aircraft exhaust, heat exchangers, furnace parts.

Available Specifications & Finishes

Finish 1
Finish 2
Finish 3
Category Specification Details / Notes
Dimensions Thickness Range 0.2mm - 5.0mm (Custom gauges available).
Width Range 450mm - 1550mm (Min slitting to 22mm).
Surface Finishes Standard Mill 2B (Standard Matte), BA (Bright Annealed).
Mechanical No.4 (Brushed), HL (Hairline).
Decorative Embossed, Etched, PVD Coating (Ti Gold, Black, etc).

Packaging & Shipping

Packaging 1
Packaging 2
Packaging 3

Standard Pallet: ISPM 15 compliant plywood/composite pallets.

Protective Film: Industrial-grade PE stretch film wrapping.

Seaworthy Protection: Individually filmed, waterproof paper wrapped, steel edge protectors and strapping.

Shipping Terms: FOB (standard), CIF and LCL service available.

Why Partner With Us

  • From Specification to Solution

    Expert guidance to select the optimal grade and finish balancing performance, fabricability, and cost.

  • Controlled Quality from Start to Finish

    Prime raw materials from top-tier mills combined with in-house precision processing for exceptional flatness and accuracy.

  • Integrated Supply Chain

    Core processing paired with specialist finishes offering comprehensive solutions from a single reliable source.

Frequently Asked Questions

What grades are included in the 300 Series Austenitic Stainless Steel?
The 300 series includes various grades such as 304, 304L, 316, 316L, 301, and 321, each designed for specific environmental and mechanical requirements.
What is the difference between a 2B and BA finish?
2B is a smooth, standard matte finish, while BA (Bright Annealed) is highly reflective and mirror-like, achieved by annealing in a controlled atmosphere.
How do you ensure the quality of the stainless steel sheets?
Quality is guaranteed through sourcing prime materials from top-tier mills and provided with a Mill Test Certificate (MTC) per EN 10204 3.1.
Can you provide custom widths for stainless steel coils?
Yes, we have high-precision slitting lines that can provide custom widths starting from a minimum of 22mm.
What type of packaging is used for international sea freight?
We use export-standard seaworthy packaging, including ISPM 15 compliant pallets, waterproof paper, PE film, and steel strapping for maximum protection.
Which grade is best for marine environments?
Grade 316 or 316L is recommended for marine environments due to the addition of molybdenum, which provides superior resistance to chloride-induced corrosion.

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