If you are looking for a low-carbon stainless steel hot-rolled plate with excellent corrosion resistance and weldability,GNEE supplies high-quality ASTM A240 304L stainless steel plates. This is a low-carbon (≤0.03%) austenitic stainless steel that conforms to ASTM and ASME SA240 standards. Manufactured using a hot-rolling process at temperatures above 1100°C, it features a coarse and tough microstructure, excellent thickness tolerance (especially suitable for thick plates), and a superior rolled surface. It offers excellent formability and weldability, requiring no post-weld annealing, and supports custom orders with large widths from 1219 mm to 2438 mm.
The 304L stainless steel hot-rolled plates are available in thicknesses ranging from 3.0 to 30 mm. They undergo acid treatment after hot rolling through "pickling," resulting in a clean, smooth, and corrosion-resistant surface, ideal for sanitary environments and architectural decoration. Suitable for direct use in the manufacture of storage tanks, pipes, and structural components. Each batch comes with an SGS test report, is certified to ISO 9001 and EN 10204 3.1 standards, and includes fast delivery and comprehensive technical consulting services.
304L Stainless Steel Sheet Manufacturing Process
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Specifications
| Item | Specification |
|---|---|
| Standard | ASTM A240 / ASME SA240 |
| Material Grade | 304L (UNS S30403, EN 1.4307) |
| Finish | No.1 (hot rolled, annealed, pickled) |
| Thickness Range | 3mm – 100mm+ |
| Width & Length | Customizable; common sizes include 4'×8' (1219mm×2438mm), 5'×10' (1524mm×3048mm) |
| Certification | EN 10204 3.1 / 3.2, Mill Test Certificate (MTC) |
| Chemical Composition (%) | Min | Max |
|---|---|---|
| Carbon (C) | 0.03 | |
| Manganese (Mn) | 2.00 | |
| Phosphorus (P) | 0.045 | |
| Sulfur (S) | 0.03 | |
| Silicon (Si) | 1.00 | |
| Chromium (Cr) | 18.00 | 20.00 |
| Nickel (Ni) | 8.00 | 12.00 |
| Nitrogen (N) | 0.10 |
| Mechanical Properties | Typical Value (Metric) | Typical Value (Imperial) |
|---|---|---|
| Tensile Strength (MPa) | 485 | 70,300 psi |
| Yield Strength (MPa, 0.2% offset) | 170 | 24,600 psi |
| Elongation (%) | 40 | 40 |
| Hardness (Brinell, HB) | 140 | - |
How does 304L compare to 304 and 316?
304L vs 304: 304L has lower carbon, better weldability, slightly lower strength
304L vs 316: 316 has added molybdenum for better chloride resistance, often used in marine environments
SS 304L plate price per kg
As of January 2026, the price of SS 304L (UNS S30403, EN 1.4306) stainless steel plates is RMB 13.0-15.3 per kilogram (including 13% VAT), FOB Shanghai, conforming to ASTM A240/GB/T 3280 standards. Prices vary depending on specifications: cold-rolled sheets (thickness 0.3-3.0 mm, 2B surface) are priced at RMB 14.5-15.3 per kilogram, while hot-rolled plates (thickness 4.5-100 mm, No.1 pickled surface) are priced at RMB 13.0-14.2 per kilogram. The minimum order quantity is 2 tons.
We offer: stock sizes of sheet and slab, stock lengths of round bars, custom-length sheet and slab, custom-length round bars, cold forming of sheet and slab and round bars, and any other necessary processing services. For any questions, please click the link below to contact us!
SS 304L Plate Supplier
GNEE currently has SUS 304L products in stock, including plates, sheets, coils, strips, tubes, bars, and wires. In addition, we offer a variety of surface finishes for you to choose from, such as No. 1, 2B, 2D, BA, No. 3, No. 4, HL, No. 8, sandblasting, etc.
We guarantee 100% quality. We will never deliver any defective products to our customers. Please contact us to customize your required product specifications, including shape, condition, surface treatment, and processing technology.
Highest quality GNEE packaging and shipping
Waterproof paper + PE film interlayer to prevent scratches and moisture, delivery within 3-7 working days, fast delivery to Europe, Southeast Asia, Middle East, South America and North America, etc.
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