BS EN 10088-3 Grade 1.4301 (304) Cold Drawn Bright Stainless Steel Hex Bar 3/4" Manufacturer & Supplier
Standard:BS EN 10088-3, EN 10088-1, EN 10278 (Tolerance), EN 10204 3.1 (MTC)
Size:3/4" (19.05 mm Across Flats)
Length:3/4" (19.05 mm Across Flats)
Surface Finish:Bright, Cold Drawn, Peeled, Ground, Polished
Product Introduction
Our BS EN 10088-3 Grade 1.4301 (304) Cold Drawn Bright Stainless Steel Hex Bar 3/4" is manufactured from premium austenitic stainless steel and produced in accordance with BS EN 10088-3 standards. Featuring excellent corrosion resistance, high dimensional accuracy, and a smooth bright finish, this hex bar is ideal for precision machining, fastener manufacturing, structural fabrication, food processing equipment, and general engineering applications.
As a professional manufacturer and supplier, we offer standard stock sizes as well as customized dimensions, lengths, tolerances, and surface finishes to meet the requirements of OEM manufacturers, distributors, and industrial end users.
Stainless Steel Hexagonal Bar specifications
| Parameter | Specification |
|---|---|
| Product Name | BS EN 10088-3 Grade 1.4301 (304) Cold Drawn Bright Stainless Steel Hex Bar |
| Material Grade | EN 1.4301 / AISI 304 / UNS S30400 |
| Standard | BS EN 10088-3, EN 10088-1, EN 10278 (Tolerance), EN 10204 3.1 (MTC) |
| Product Type | Stainless Steel Hex Bar / Hex Rod |
| Cross Section Shape | Hexagonal |
| Standard Size | 3/4" (19.05 mm Across Flats) |
| Size Range | 5 mm–100 mm AF (Custom Sizes Available) |
| Length | 3 m, 4 m, 6 m, 12 ft, 20 ft, or Cut-to-Length |
| Length Tolerance | ±2 mm (Standard) or Customized |
| Manufacturing Process | Hot Rolled → Solution Annealed → Cold Drawn → Bright Finished |
| Surface Finish | Bright, Cold Drawn, Peeled, Ground, Polished |
| Surface Condition | Smooth, Clean, Burr-Free |
| Tolerance | EN 10278 h9 / h10 / h11 or Customer Requirements |
| Straightness | ≤1 mm/m (Typical) or According to EN Standard |
| Edge Condition | Sharp Edge or Chamfered Ends Available |
| Heat Treatment | Solution Annealed |
| Hardness | ≤95 HRB (Annealed Condition, Typical) |
| Density | 7.90 g/cm³ |
| Magnetic Property | Non-Magnetic in Annealed Condition (Slightly Magnetic After Cold Working) |
| Corrosion Resistance | Excellent in Atmospheric, Food Processing, and Mild Chemical Environments |
| Machinability | Good |
| Weldability | Excellent |
| Inspection | Chemical Analysis, Mechanical Testing, Dimensional Inspection, Surface Inspection, PMI (Optional) |
| Certification | EN 10204 3.1 MTC, ISO 9001 |
| Packaging | PVC Sleeve, Waterproof Paper, Wooden Case, Export Seaworthy Packing |
| Origin | China |
Basic Characteristics Of BS EN 10088-3 Stainless Steel Hex Bar
Cross Section Shape:
Hexagonal (Hex Bar)
Size Range:
Across Flats (AF): 5 mm–100 mm (3/16"–4"), custom sizes available.
Precision:
Manufactured to BS EN 10088-3 with dimensional tolerances in accordance with EN 10278 (h9, h10, h11) or customer-specific requirements. Precision cold-drawn bars provide excellent straightness, tight tolerances, and superior dimensional consistency.
Chemical Composition (%) Of Grade 1.4301 Stainless Steel Hex Bar
| Element | Content (%) |
|---|---|
| Carbon (C) | ≤ 0.07 |
| Silicon (Si) | ≤ 1.00 |
| Manganese (Mn) | ≤ 2.00 |
| Phosphorus (P) | ≤ 0.045 |
| Sulfur (S) | ≤ 0.015 |
| Chromium (Cr) | 17.5–19.5 |
| Nickel (Ni) | 8.0–10.5 |
| Nitrogen (N) | ≤ 0.11 |
| Iron (Fe) | Balance |
Note: Grade 1.4301 (AISI 304) provides excellent corrosion resistance, good weldability, and outstanding formability, making it one of the most widely used austenitic stainless steels.
Physical Properties Of 304 Stainless Steel Hex Bar
| Property | Value |
|---|---|
| Density | 7.90 g/cm³ |
| Melting Range | 1400–1450°C |
| Modulus of Elasticity (20°C) | 200 GPa |
| Electrical Resistivity (20°C) | 0.73 μΩ·m |
| Thermal Conductivity (20°C) | 15 W/m·K |
| Specific Heat Capacity (20°C) | 500 J/kg·K |
| Coefficient of Thermal Expansion (20–100°C) | 17.2 × 10⁻⁶/K |
| Magnetic Permeability | Essentially Non-Magnetic (Annealed Condition) |
Main Applications
Fasteners: Hex nuts, hex bolts, hex socket set screws, etc.
Mechanical Structures: Shaft components, transmission parts, mold support components.
Industrial Equipment: Valve components, chemical piping fittings, fasteners for food processing machinery.
Construction and Decoration: Stainless steel structural components, decorative elements.
Key Selection Criteria
Material Verification: Ensure the material is 304 stainless steel; request chemical composition and mechanical property reports.
Dimensional Tolerances: For precision machining, select tolerances within ±0.05 mm.
Surface Quality: Free of oxidation spots, scratches, and cracks; a high surface finish enhances corrosion resistance.
Process Selection: Cold-drawn bars are suitable for high-precision machining, while hot-rolled bars are suitable for high-volume production.
FAQ
1. What is BS EN 10088-3 Grade 1.4301 stainless steel?
Grade 1.4301 is the European designation for AISI 304 stainless steel. It is an austenitic stainless steel known for its excellent corrosion resistance, weldability, and formability, and is widely used in food processing, construction, machinery, and general engineering.
2. What is the difference between Grade 1.4301 and AISI 304?
There is no significant difference in practical applications. Grade 1.4301 is the European (EN) designation, while AISI 304 is the American designation. Both refer to the same general stainless steel grade with equivalent corrosion resistance and mechanical properties.
3. What are the advantages of cold drawn bright stainless steel hex bars?
Cold drawn bright hex bars offer:
Higher dimensional accuracy
Better straightness
Smooth and bright surface finish
Improved mechanical strength
Excellent machinability for CNC processing
Tight tolerances suitable for precision components
4. Can you supply custom sizes and cut-to-length services?
Yes. We can manufacture custom hex sizes, lengths, tolerances, chamfered ends, and surface finishes according to your drawings or technical specifications.
5. What surface finishes are available?
We offer several surface finishes, including:
Bright Cold Drawn
Peeled
Ground
Polished
Turned
Custom finishes are also available upon request.
6. Do you provide Material Test Certificates (MTC)?
Yes. All products can be supplied with an EN 10204 3.1 Material Test Certificate, including chemical composition, mechanical properties, and inspection results. Third-party inspections such as SGS, BV, TÜV, and Lloyd's Register are available if required.
7. What industries commonly use 304 stainless steel hex bars?
Our BS EN 10088-3 Grade 1.4301 Stainless Steel Hex Bars are widely used in:
CNC machining
Fastener manufacturing
Food processing equipment
Pharmaceutical equipment
Chemical processing
Pumps and valves
Architectural hardware
Automotive components
General engineering
8. Can 304 stainless steel hex bars be welded and machined?
Yes. Grade 1.4301 (304) offers excellent weldability and good machinability. It is suitable for TIG, MIG, and resistance welding, as well as CNC turning, milling, drilling, and threading.
9. What is your typical delivery time?
Stock sizes are generally available for shipment within 5–10 working days. For custom specifications or large-volume orders, the production lead time is typically 15–30 working days, depending on the quantity and processing requirements.
10. Why choose your company as your stainless steel hex bar supplier?
We provide:
BS EN 10088-3 compliant products
Factory-direct pricing
Precision cold drawn manufacturing
Strict quality control
EN 10204 3.1 certification
OEM & ODM customization
Worldwide export experience
Fast response and reliable delivery
11. How can I request a quotation?
Simply send us your material grade, hex size, length, quantity, surface finish, and destination port. Our sales team will provide a detailed quotation, technical support, and delivery schedule within 24 hours.
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