ASTM A240 304 Hot Rolled Stainless Steel Sheet
Material Grade:304 / S30400
Surface Finish:No.1 Finish
Thickness:3mm
Width:1219mm or customized
Length:2438mm or customized
Products Description
ASTM A240 304 Hot Rolled Stainless Steel Sheet is a widely used austenitic stainless steel material designed for applications requiring good corrosion resistance, strength, weldability, and fabrication performance. This material corresponds to EN 10088-2 1.4301, also known as X5CrNi18-10, and is internationally recognized as the 304 stainless steel grade.
Our 304 hot rolled stainless steel sheets are available in the popular 4×8 ft size (1219 × 2438 mm) and can be supplied with a No.1 hot rolled finish. The sheets are suitable for chemical processing equipment, storage tanks, industrial machinery, pressure equipment, heat exchangers, and other industrial applications.
Products Specifications
| Item | Specification |
|---|---|
| Product Name | 304 Hot Rolled Stainless Steel Sheet |
| Grade | 304 |
| UNS | S30400 |
| EN Material Number | 1.4301 |
| EN Material Name | X5CrNi18-10 |
| Standard | ASTM A240 / EN 10088-2 |
| Manufacturing Process | Hot Rolled |
| Surface Finish | No.1 Finish |
| Standard Size | 4×8 ft |
| Metric Size | 1219 × 2438 mm |
| Thickness | 3–14 mm |
| Width | 1000–2000 mm |
| Length | 2000–6000 mm |
| Edge | Mill Edge / Cut Edge |
| Heat Treatment | Solution Annealed |
| Certification | EN 10204 3.1 MTC Available |
| Processing | Cutting, Slitting, Grinding, Custom Fabrication |
Typical Chemical Composition Of ASTM A240 304 Stainless Steel Sheet
| Element | ASTM A240 304 (%) |
|---|---|
| Carbon (C) | ≤ 0.07 |
| Chromium (Cr) | 17.5–19.5 |
| Nickel (Ni) | 8.0–10.5 |
| Manganese (Mn) | ≤ 2.00 |
| Silicon (Si) | ≤ 1.00 |
| Phosphorus (P) | ≤ 0.045 |
| Sulfur (S) | ≤ 0.030 |
| Nitrogen (N) | ≤ 0.10 |
| Iron (Fe) | Balance |
Physical Properties Of ASTM A240 304 Hot Rolled Stainless Steel Sheet
| Property | Typical Value |
|---|---|
| Density | Approx. 7.9–8.0 g/cm³ |
| Elastic Modulus | Approx. 193 GPa |
| Melting Range | Approx. 1400–1450°C |
| Thermal Conductivity | Approx. 16 W/m·K |
| Electrical Resistivity | Approx. 0.72 μΩ·m |
| Structure | Austenitic |
Mechanical Properties Of EN 10088-2 1.4301 Stainless Steel Sheet
| Property | ASTM A240 304 |
|---|---|
| Tensile Strength | ≥ 515 MPa |
| Yield Strength | ≥ 205 MPa |
| Elongation | ≥ 40% |
| Hardness | ≤ 92 HRB |
Grade specifications for ASTM A240 304 Sheets
ASTM A240 304 stainless steel sheet is an austenitic chromium-nickel stainless steel grade widely used for general corrosion-resistant and fabricated industrial applications. Its common equivalent designations include UNS S30400, EN 1.4301, and X5CrNi18-10.
| Specification | ASTM A240 304 Sheet |
|---|---|
| Grade | 304 |
| UNS | S30400 |
| EN Material No. | 1.4301 |
| EN Designation | X5CrNi18-10 |
| JIS | SUS304 |
| Product Form | Stainless Steel Sheet / Plate |
| Manufacturing Process | Hot Rolled / Cold Rolled |
| Standard | ASTM A240 |
| Surface | No.1, 2B, BA, etc. depending on production |
| Typical Hot Rolled Thickness | 3–14 mm |
| Typical 4×8 ft Size | 1219 × 2438 mm |
| Magnetism | Generally non-magnetic in annealed condition; may become slightly magnetic after cold working |
4×8 Ft Stainless Steel Sheet Dimensions
The 4×8 ft format is equivalent to approximately:
1219 mm × 2438 mm
Common thickness options include:
| Thickness | Width | Length |
|---|---|---|
| 3 mm | 1219 mm | 2438 mm |
| 4 mm | 1219 mm | 2438 mm |
| 5 mm | 1219 mm | 2438 mm |
| 6 mm | 1219 mm | 2438 mm |
| 8 mm | 1219 mm | 2438 mm |
| 10 mm | 1219 mm | 2438 mm |
| 12 mm | 1219 mm | 2438 mm |
| 14 mm | 1219 mm | 2438 mm |
Other common widths and lengths can also be supplied according to project requirements.
No.1 Hot Rolled Surface
The No.1 finish is a typical surface condition for hot rolled stainless steel products. It generally has a dull, non-reflective appearance and is suitable for industrial applications where a decorative surface is not required.
Typical applications include:
Chemical processing equipment
Storage tanks
Pressure vessels
Heat exchangers
Industrial machinery
Structural components
Food processing equipment
For applications requiring a smoother or more decorative surface, additional grinding, polishing, or other surface finishing can be discussed.
Frequently Asked Questions (FAQ)
Is 1.4301 the same as 304 stainless steel?
EN 1.4301 is widely considered the European equivalent designation for AISI 304 stainless steel. However, the exact chemical and mechanical requirements should be checked against the applicable standard before substitution.
What is the size of a 4×8 ft stainless steel sheet?
A 4×8 ft sheet is approximately 1219 × 2438 mm.
What is the standard thickness of a 4×8 stainless steel sheet?
There is no single standard thickness for a 4×8 sheet. Common industrial thicknesses include 3, 4, 5, 6, 8, 10, 12, and 14 mm, subject to availability and production requirements.
What is No.1 finish?
No.1 is a typical hot rolled stainless steel surface condition with a dull, non-reflective appearance, commonly used for industrial applications.
Can you provide 304 stainless steel sheets in custom sizes?
Yes. Custom width, length, thickness, cutting, and processing services can be provided according to customer drawings and specifications.
Is 304 stainless steel suitable for all chemical applications?
No. 304 is suitable for many chemical and industrial environments, but severe chloride exposure, strong acids, high temperatures, or specific chemical media may require 316L, duplex, or higher-alloy stainless steel. Material selection should be based on the actual service conditions.
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