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ASTM A240 304L Stainless Steel Sheet/Plate for Chemical, Food Processing, and Architectural Applications
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xProduct Details
| Products | Stainless Steel Plate | Grade | 304L |
|---|---|---|---|
| Thickness | 1.5-50.0mm | Tech | Cold Rolled,hot Rolled , Forged |
| Width | 1000mm 1219mm 1500mm Or Customs As Request | Surface | 2B NO.1 |
| Standard | ASTM GB JIS EN DIN | MOQ | 1 Ton |
Product Description
ASTM A240 304L Stainless Steel Sheet/Plate for Chemical, Food Processing, and Architectural Applications
Stainless Steel Plate Specifications
| Name | 304L stainless steel Plate |
| Our Grade |
200 Series: 201 202 300 Series: 301 304,304L,304H,309S,310S,314,316L,316Ti,316H,316LN,317L,321,329,347 400 Series: 409L,410,410S,416,420,430,431,436L.439,441,443,444,445,446 Super Stainless Steel: 904L,926,254SMO,654SMO,15-5PH,17-4PH,17-7PH.etc Nickel Alloy: C276, C22,G35,Alloy X,Monel 400,K500,Inconel 600,601,617,625,718,Incoloy 800,800H,800HT,825.etc |
| Technique | Hot Rolled, Cold Rolled,Forged |
| Standard | JIS, AISI, ASTM, DIN, TUV, BV, SUS, etc |
| Thickness | 0.1 – 80.0mm |
| Width range | 10mm – 2000mm |
| Length | Customized |
| Finish | 2B, BA, No.4, 8k, Brushed,Hairline,PVD Coating,Sandblasted |
| Service | Laser Cutting, Bending |
| Sample | Available |
ASTM A240 304L Stainless Steel Sheet & Plate – Engineered for Chemical, Food Processing, and Architectural Applications
Product Overview
ASTM A240-compliant 304L stainless steel sheet and plate is the industry-preferred low-carbon austenitic grade for applications requiring excellent corrosion resistance, superior weldability, and hygienic surface integrity—without the risk of intergranular corrosion after welding.
With a maximum carbon content of 0.03%, 304L (UNS S30403 / EN 1.4307) eliminates carbide precipitation in the heat-affected zone (HAZ), making it ideal for welded fabrications in demanding sectors such as chemical processing, food & beverage, pharmaceuticals, architecture, and cryogenic engineering.
Manufactured to strict ASTM A240/A240M, ASME SA-240, and EN 10088-2 standards, our 304L sheets and plates offer consistent quality, full traceability, and global compliance—ensuring reliability from fabrication through decades of service.
Why 304L? Key Advantages by Industry
| Industry | Critical Need | How 304L Delivers |
|---|---|---|
| Chemical Processing | Resistance to mild acids & solvents | Stable in organic acids (acetic, citric), dilute nitric/phosphoric acid; non-reactive surfaces |
| Food & Beverage | Hygiene, cleanability, FDA compliance | Smooth, non-porous finish; meets FDA, EC 1935/2004; resists bacterial growth |
| Pharmaceutical | Purity & contamination control | Low leaching; compatible with CIP/SIP cleaning; non-toxic |
| Architecture | Aesthetics + durability | Attractive finishes (brushed, mirror); resists urban/rural atmospheric corrosion |
| Cryogenics | Toughness at low temps | Retains ductility down to –196°C (–320°F) |
Unlike standard 304, 304L requires no post-weld annealing, reducing cost and complexity in large-scale welded structures.
Technical Specifications
Chemical Composition (Typical – wt%, per ASTM A240)
| Element | Content (%) |
|---|---|
| Chromium (Cr) | 18.0–20.0 |
| Nickel (Ni) | 8.0–12.0 |
| Carbon (C) | ≤0.030 |
| Manganese (Mn) | ≤2.00 |
| Silicon (Si) | ≤0.75 |
| Phosphorus (P) | ≤0.045 |
| Sulfur (S) | ≤0.030 |
| Iron (Fe) | Balance |
UNS S30403 | EN 1.4307 | AISI 304L
Mechanical Properties (Annealed Condition)
| Property | Typical Value |
|---|---|
| Tensile Strength | 485–620 MPa |
| Yield Strength (0.2% offset) | ≥170 MPa |
| Elongation | ≥40% |
| Hardness | ≤201 HB |
| Density (20°C) | 8.0 g/cm³ |
| Thermal Conductivity | ~16.2 W/m·K |
Corrosion Resistance Profile
✅ Excellent in:
- Atmospheric environments (urban, rural)
- Freshwater and potable water systems
- Organic acids (vinegar, citric, lactic)
- Alkaline solutions
- Mild chemical environments (dilute sulfuric/nitric <10%)
⚠️ Not recommended for:
- Seawater or high-chloride (>200 ppm) environments
- Hydrochloric or strong reducing acids
- Marine splash zones (consider 316L instead)
Available Product Forms & Sizes
| Parameter | Details |
|---|---|
| Material Grade | 304L / UNS S30403 / 1.4307 |
| Standards | ASTM A240, ASME SA-240, EN 10088-2 |
| Form | Cold-rolled sheet (<4.5 mm) Hot-rolled plate (≥4.5 mm) |
| Thickness Range | 0.5 mm – 100 mm (Common stock: 1.0, 1.5, 2.0, 3.0, 4.0, 6, 8, 10, 12, 16, 20, 25, 30 mm) |
| Standard Dimensions | • 1000 × 2000 mm • 1219 × 2438 mm (4' × 8') • 1500 × 3000 mm • 1500 × 6000 mm • Custom sizes available |
| Surface Finishes | • 2B (standard for sheet) • No.1 (plate, descaled) • BA (bright annealed) • No.4 (brushed) • Hairline, Mirror, Embossed (custom) |
| Certifications | EN 10204 3.1/3.2 MTR, PMI, ISO 9001, RoHS, REACH |
All materials are batch-traceable with mill heat numbers and stored in dry, covered facilities.
Industry-Specific Applications
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