304 Stainless Steel Bright Shafting Bar Annealed Centerless Ground
High Quality 304 Stainless Steel Bright Shafting Bar Annealed & Centerless Ground
Products Specification
| Products | Stainless Steel Bar |
| Grade | 201 303 304 304L 309S 310S 316L 316Ti 317L 321 347 410 420 430 431 17-4PH 2205 2507 904L C276.etc |
| Finishing | Bright / Black |
| Diameter | 3 - 300mm |
| Length | 6m or custom cutting as request |
| Service | Cutting. Polishing, heat treatment |
| MOQ | 200 Kgs |
| Deliver time | 10 - 15 Days based on the quantity |
| Packing | wooden box, or packing as request |
| Loading Port | Shanghai Port. Ningbo Port |
| Other Shape | Round, Square, Flatness, Hexagonal , Angle, Channel |
| Company Type | Factory |
- Product Name: 304 Stainless Steel Bright Round Bar (Cold-Drawn/Polished)
- Material Grade: AISI 304 / SUS304 / UNS S30400 / 06Cr19Ni10
- Standards: ASTM A276, ASTM A484, GB/T 1220-2007, ISO 9001:2000 68
Product Introduction
The 304 Stainless Steel Bright Round Bar (commonly referred to as "Guang Yuan" in industrial markets) is a premium-grade austenitic stainless steel product renowned for its corrosion resistance, aesthetic appeal, and versatility. Precision-finished through cold drawing or centerless grinding, this bar features a smooth, mirror-like surface ideal for applications demanding dimensional accuracy and hygiene. Its balanced composition of chromium and nickel ensures robust performance in harsh environments, from chemical processing to architectural design.
Key Specifications
Chemical Composition
| Element | Content (%) |
|---|---|
| Chromium (Cr) | 18.0–20.0 |
| Nickel (Ni) | 8.0–10.5 |
| Carbon (C) | ≤0.08 |
| Manganese (Mn) | ≤2.0 |
| Silicon (Si) | ≤1.0 |
Mechanical Properties
-
Tensile Strength: 515–720 MPa
-
Yield Strength (0.2% offset): ≥205 MPa
-
Elongation: ≥40%
-
Hardness: ≤187 HB (Brinell)
-
Density: 8.0 g/cm³
Physical Properties
-
Melting Point: 1400–1450°C
-
Thermal Conductivity: 16.2 W/m·K (at 100°C)
-
Electrical Resistivity: 0.72 μΩ·m
Standards & Certifications
-
Material Standards:
-
ASTM A276 (Stainless Steel Bars)
-
EN 10088-3 (EU Standard)
-
JIS G4303 (Japanese Industrial Standard)
-
-
Surface Finish: ASTM A484 (Polished/Cold-Drawn)
-
Certifications:
-
ISO 9001:2015 (Quality Management)
-
RoHS/REACH Compliance
-
Mill Test Certificates (EN 10204 3.1)
-
Applications
-
Industrial: Shafts, valves, fasteners, pump components.
-
Architectural: Decorative railings, elevator trim, structural fittings.
-
Food & Beverage: Processing equipment, conveyor systems, hygienic fixtures.
-
Medical: Surgical instruments, sterilization trays.
-
Automotive: Exhaust systems, sensor housings.
Other Stainless Steel Bar Products
For specialized needs, consider these alternatives:
-
316 Stainless Steel Bright Bar
-
Features: Enhanced corrosion resistance (Mo addition), ideal for marine/chemical environments.
-
Grades: AISI 316, UNS S31600.
-
-
430 Stainless Steel Bar
-
Features: Ferritic grade with high chromium (16–18%), cost-effective for mild corrosive conditions.
-
Applications: Automotive trim, appliances.
-
-
17-4 PH Precipitation-Hardening Bar
-
Features: High strength (up to 1310 MPa), heat-treatable for aerospace/defense uses.
-
-
2205 Duplex Stainless Steel Bar
-
Features: Dual-phase structure (austenitic + ferritic), superior stress corrosion resistance.
-
Additional Services
-
Custom Machining: Cutting, threading, polishing, or CNC processing.
-
Surface Treatments: Passivation, electropolishing, PVD coating.
-
Packaging: PVC-wrapped bundles, rust-proof paper, or export-grade crates.
Ordering Information
-
MOQ: 50 kg (standard sizes), negotiable for custom orders.
-
Lead Time: 7–14 days (stock), 3–5 weeks (custom processing).
-
Global Shipping: FOB/CIF terms available.
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.



