Hot-Finished 304 Round Bar
Specify your diameter, delivery condition and surface requirement.
Global Steel Supply & Processing
UNS S30400 · ASTM A276/A276M-25 · AUSTENITIC STAINLESS STEEL
Source Grade 304 stainless steel bar for machining, fabrication and industrial supply. Send your diameter or section size, finish, required quantity and destination port for a factory quotation.
Review specifications ↓Match material standards, bar dimensions and surface finish to your drawings and purchase requirements.
| Grade designation | 304 / UNS S30400 |
| Related EN designation | 1.4301 / X5CrNi18-10 (under the applicable EN specification) |
| Stainless bar standard | ASTM A276/A276M-25 |
| General requirements | ASTM A484/A484M-24b where applicable |
| European bar standard | EN 10088-3:2023 when specified |
| Available forms for enquiry | Round, square and hexagonal bars; flat sections by order review |
| Finishing options | Hot-finished, solution-annealed, cold-finished and polished as agreed |
| Dimensions | Diameter / across flats, length and quantity from your RFQ |
| Surface & tolerances | Specify finish, dimensional tolerance and straightness requirements |
| Quality documents | Heat analysis, mechanical test results and agreed MTC / certificate |
Select the bar shape and surface condition needed for your fabrication or machining process.
Specify your diameter, delivery condition and surface requirement.
Choose finished diameter, tolerance and length for your production process.
Send diameter or across-flats dimensions for the required bar form.
Attach your cut lengths and quantities for a consolidated factory quotation.
Review the chemistry requirements for ASTM A276 stainless bar, and confirm your purchased heat using the material certificate.
| Element | Reference requirement (% by mass) |
|---|---|
| Carbon (C) | ≤ 0.08% |
| Chromium (Cr) | 18.00–20.00% |
| Nickel (Ni) | 8.00–11.00% |
| Manganese (Mn) | ≤ 2.00% |
| Silicon (Si) | ≤ 1.00% |
| Phosphorus (P) | ≤ 0.045% |
| Sulfur (S) | ≤ 0.030% |
Composition shown for Type 304 bar. Your contractual edition and heat-analysis certificate establish acceptance.
State your exact standard and bar finish in the purchasing schedule. The ordered standard may specify different ranges, mechanical testing and delivery tolerances.
Mechanical acceptance depends on ordered bar dimensions and delivery condition. Check the relevant values with your specification.
| Annealed cold-finished bar | 0.2% Yield Min. | Tensile Min. | Elongation Min. |
|---|---|---|---|
| Diameter ≤ 12.7 mm | 310 MPa | 620 MPa | 30% |
| Diameter > 12.7 mm | 205 MPa | 515 MPa | 30% |
Reference minimums for the indicated annealed cold-finished bar sizes. Final testing, elongation requirements and tolerances follow the applicable standard and purchase order.
Use real factory scale, clear purchasing specifications and agreed quality documents to assess your steel supply.
Our company-wide annual steel production supports planned procurement across a broad range of steel grades.
Manufacturing ↗We coordinate orders against our combined steel inventory. Your exact 304 bar sizes and finish are checked by enquiry.
Steel Inventory ↗Specify your ASTM or EN grade, bar condition and chemical / mechanical documentation in the RFQ.
Quality Control ↗Send your grade, lengths, tonnage and destination port for a coordinated commercial quotation.
Contact Sales ↗304 bars are widely used for corrosion-resistant components in general industrial and fabrication environments. Choose the finish and tolerance required by your manufacturing drawings.
Bar material for rotating, locating and connecting machine components.
Stainless bar parts for brackets, threaded elements and assembled frames.
Machined components for food-processing equipment subject to the applicable finish and service specifications.
Bar stock for industrial hardware, stems and machined fluid-system components.
Round and shaped stainless sections used in finished architectural parts.
Round-bar inventory for machine shops, fabricators and service centres.
Compare each grade by its characteristic strengths and your operating requirements, then confirm the material specification in your drawings.
General austenitic stainless for many industrial and fabricated components requiring corrosion resistance and formability.
Use 316L where its molybdenum-bearing grade is specified for more demanding corrosion exposure. Use 17-4PH where precipitation-hardened strength is a design requirement.
Estimate round-bar tonnage from diameter, cut length and quantity before sending your RFQ.
Theoretical round-bar weight from nominal dimensions and 7,930 kg/m³ density. Final billed and shipped weight follows the purchase agreement.
For the fastest order review, send your full bar list with grade, size, finish, inspection and shipment information.
BAOSTEEL METAL supports international steel procurement with manufacturing operations producing 8 million metric tons of steel annually across the product range. Submit your 304 bar list to discuss the available production and finishing route.
Our company-wide steel inventory totals approximately 1 million metric tons across products. Your specific 304 bar diameters, finish, lengths and tonnage are checked against current stock and production options.
Specify the material identification, chemistry certificate, tensile requirements and dimensional tolerance for your order. Your RFQ can include surface inspection and additional third-party testing.
Send your length schedule and machining drawings with the bar RFQ. We can confirm applicable preparation methods and tolerances for your 304 stainless steel bar order.
Share your shipment quantities, preferred packing arrangement and destination port with the purchase schedule. Packaging and loading details can be confirmed with the quotation.
Compare stainless bar grades by corrosion requirements, strength and ordered delivery condition.
ASTM A276/A276M covers stainless bars and shapes, with A484/A484M for applicable general bar requirements. EN 10088-3 covers European stainless bar delivery requirements.
Send your bar diameter or section dimensions, length, quantity, delivery condition, finish, certificate requirements and destination port.
They have different surface, tolerance and mechanical-property considerations. Your drawing and ordered standard determine the acceptance conditions.
For a solid round bar, use diameter and length with nominal density 7,930 kg/m³. The calculator above estimates mass for your dimensions and quantity.
Provide your cutting list, bar specification, MTC scope and any third-party inspection requirements with the RFQ.
Send your required grade, dimensions, quantity and destination. Our team will review the inquiry.