No. 1 / 1D
Hot-rolled, annealed and descaled finish for industrial plate.
Austenitic Stainless Steel · Flat Plate & Sheet · BAOSTEEL METAL
Choose your required steel grade, thickness, finish and inspection scope for a focused quotation.
| Product | 304 Stainless Steel Plate / Sheet |
|---|---|
| Grade | 304 / UNS S30400 |
| Family | Chromium–nickel austenitic stainless steel |
| Product Standard | ASTM A240/A240M-26, or agreed purchase edition |
| General Requirements | ASTM A480/A480M where applicable |
| European Designation | EN 1.4301 (check ordered standard and condition) |
| Supply Form | Flat plate, flat sheet, cut-size pieces by enquiry |
| Dimensions | Specify thickness × width × length |
| Finish | No. 1 / 1D, 2B, BA, No. 4 — according to gauge and supply conditions |
| Documents | Material test certificate and inspection details to order |
Include your drawing or plate schedule to receive an order-specific quotation.
You can include several thicknesses or cut-piece sizes in one enquiry.
The specified heat composition and material certificate establish the accepted chemistry for your order.
| Element | ASTM A240 Flat-Product Reference | Element | ASTM A240 Flat-Product Reference |
|---|---|---|---|
| Chromium (Cr) | 17.5–19.5% | Nickel (Ni) | 8.0–10.5% |
| Carbon (C) | ≤ 0.07% | Manganese (Mn) | ≤ 2.00% |
| Silicon (Si) | ≤ 0.75% | Phosphorus (P) | ≤ 0.045% |
| Sulfur (S) | ≤ 0.030% | Nitrogen (N) | ≤ 0.10% |
Reference values for 304 / UNS S30400 flat products. Final acceptance follows the standard edition specified in your purchase order and the material test certificate.
Review the required condition, product form and test criteria together with your material specification.
| Property | Published annealed 304 reference |
|---|---|
| 0.2% Proof / Yield Strength | 205 MPa minimum |
| Tensile Strength | 515 MPa minimum |
| Elongation in 50 mm | 40% minimum |
| Hardness | 201 HB maximum / 92 HRB maximum |
| Nominal Density | 7,900 kg/m³ |
Type 304 offers a useful combination of corrosion resistance, formability and weldability for general industrial equipment and structures.
Include your service environment, fabrication drawings and material condition so your specification can be reviewed with the quotation.
Need a low-carbon welded grade?
Explore 304L →Mechanical values follow published ASTM A240 annealed reference data. Cold-worked material and other product conditions have their own acceptance values.
Match your surface specification to forming, cleaning and final-part appearance.
Hot-rolled, annealed and descaled finish for industrial plate.
Cold-rolled finishes for applicable thin sheet thicknesses and appearance requirements.
Directional brushed finishes for specified equipment and decorative components.
Finish options and available thicknesses vary by production route. Confirm the finish, surface protection and acceptance details with your RFQ.
Specify the product form and surface for each part, assembly and operating environment.
Machine enclosures, access panels and fabricated industrial equipment.
Specified equipment covers, supports and manufacturing assemblies.
Fabricated vessels and process components with defined service media.
Interior and selected exterior panels, cladding and fabricated trims.
Cabinets, shelving, hardware covers and formed fixtures.
Protective panels, platforms and selected equipment components.
Send drawings, finish specifications and quantity for your fabricated parts.
Compare the material requirements that matter for your welding, corrosion exposure and project specification.
| Grade | UNS | Purchasing characteristic | Related page |
|---|---|---|---|
| 304 | S30400 | General-purpose chromium–nickel austenitic plate | Current grade |
| 304L | S30403 | Low-carbon variation frequently specified for welded assemblies | Explore grade → |
| 316 | S31600 | Molybdenum-containing stainless steel for selected more corrosive exposure | Explore grade → |
| 316L | S31603 | Low-carbon, molybdenum-containing grade for specified welding and service conditions | Explore grade → |
These grades have distinct chemical requirements. Select the exact grade stated in your purchase specification.
Use nominal density to estimate purchase tonnage from plate dimensions and number of pieces.
Calculated mass is indicative. Shipment tonnage follows the confirmed material and order basis.
Your enquiry can cover full plates, cut-size blanks and multiple dimensions in one order.
Bring your grade, finishing and testing requirements together with planned shipment volumes.
Actual annual steel production across our company’s product range supports industrial-scale supply planning.
Regular company-wide steel stock supports procurement coordination. Confirm your grade 304 dimensions and availability.
Include UNS S30400, surface finish, dimensional tolerance and test records in your enquiry.
Discuss packing, shipment lots, destination ports and delivery terms with your factory quote.
Submit your full plate specification and target shipment schedule. Our team will check the appropriate supply arrangement, quantity, finish and order documentation.
Define your material acceptance requirements in the purchase order.
Include grade analysis, mechanical testing, MTC and heat traceability requirements with the specification.
Our sales and technical teams will confirm the certificate type, inspection details and accepted material standard for your shipment.
Add finished dimensions and drawing tolerances to your stainless plate order. Laser cutting, plasma profiling and drilling can be reviewed with the confirmed thickness and quantity.
Specify protective packaging, edge protection, handling requirements and your destination port. We will include the confirmed packing and shipping arrangements in your quotation.
Navigate to grade-specific pages, then send a consolidated purchasing enquiry.
Send UNS S30400, plate thickness, width, length, finish, quantity, required MTC and destination port.
Common selections include No. 1 / 1D, 2B, BA and No. 4, with availability checked by the required gauge and finish.
304L specifies lower carbon for welding-related requirements. 316 contains molybdenum and is selected for certain more demanding corrosion environments.
Attach your cut-piece drawings or material schedule to the RFQ. Our team will confirm achievable sizes, processing and delivery terms.
Send your required grade, dimensions, quantity and destination. Our team will review the inquiry.