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Help CenterN08825 N04400 N05500 C-276 Stainless Steel Hexagonal Bar Annealed Surface Automotive Use Bar
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Our stainless steel bars cover four main types: Stainless Steel Round Bars, Stainless Steel Square Bars, Stainless Steel Hexagonal Bars, and Stainless Steel Flat Bars. Crafted from high-performance stainless steel grades, they are designed to meet diverse industrial requirements, with customizable sizes and surface treatments to fit specific application scenarios.
Core Features
• Premium Material Selection: Available in 304, 316, 304L, and 316L stainless steel. 304 offers excellent general corrosion resistance; 316 enhances resistance to seawater and chemical environments; 304L (low carbon) reduces intergranular corrosion risk; 316L provides superior corrosion resistance for harsh conditions.
• Multiple Surface Treatments:
◦ Polished Surface: Delivers a smooth, mirror-like finish, ideal for applications requiring aesthetic appeal and easy cleaning.
◦ Brushed Surface: Features a fine, uniform texture, resistant to fingerprints and suitable for mechanical and architectural uses.
◦ Annealed Surface: Improves material ductility and reduces internal stress, ensuring better machinability for complex processing.
• High Dimensional Precision: Strictly controlled dimensional tolerances—diameter tolerance for round bars is ±0.02mm, side length tolerance for square bars is ±0.03mm, and thickness tolerance for flat bars is ±0.02mm—guaranteeing consistent fit in assembly.
• Reliable Mechanical Performance: 304/304L stainless steel bars have a tensile strength of ≥515MPa and yield strength of ≥205MPa; 316/316L variants offer tensile strength ≥515MPa and yield strength ≥205MPa, ensuring durability under load.
Specification Parameters
Product Type |
Material Grade |
Size Range |
Length Options |
Surface Treatment |
Stainless Steel Round Bar |
304/316/304L/316L |
Diameter: 6mm - 50mm |
1m, 1.5m, 2m, Custom |
Polished/Brushed/Annealed |
Stainless Steel Square Bar |
304/316/304L/316L |
Side Length: 10mm - 30mm |
1m, 1.5m, 2m, Custom |
Polished/Brushed/Annealed |
Stainless Steel Hexagonal Bar |
304/316/304L/316L |
Across Flats: 10mm - 25mm |
1m, 1.5m, 2m, Custom |
Polished/Brushed/Annealed |
Stainless Steel Flat Bar |
304/316/304L/316L |
Thickness: 5mm - 12mm; Width: 20mm - 40mm |
1m, 1.5m, 2m, Custom |
Polished/Brushed/Annealed |
Category |
Grades Included |
Key Trait |
Typical Use Case |
Austenitic (Acid/Heat) |
N08020/Alloy20, N08367, N08800/800, N08810/800H, N08811, N08904/904L, N08926 |
High Ni/Mo content, anti-acid/oxidation |
Chemical tanks, marine, high-temp furnaces |
Austenitic (General) |
S30400/304, S30403/304L, S30908/309S, S31008/310S, S31603/316L, S31609/316H, S31636/316Ti, S31653/316LN, S31703/317L, S32100/321, S32109/321H, S34709/347H, S31254, S32654 |
Balanced corrosion/strength, easy processing |
Food/pharma, architecture, power plants |
Duplex/Super Duplex |
S31803/S32205 (2205), S32304, S32615, S32750/2507 |
Ultra-high strength, low alloy cost |
Offshore pipelines, sewage treatment |
Precipitation Hardening |
S20910/XM-19, S21800 |
High tensile strength, light weight |
Aerospace fasteners, medical tools |
Application Scenarios
• Food Processing Industry: 304/316 stainless steel bars (polished surface) are used for manufacturing conveyor parts, mixing equipment, and storage tanks, complying with food safety standards.
• Mechanical Manufacturing: Brushed/annealed stainless steel bars (304/316L) serve as components for gears, shafts, and fasteners, ensuring wear resistance and machinability.
• Construction Engineering: Stainless steel flat bars/round bars (304/316) are applied in handrails, structural supports, and decorative elements, withstanding outdoor corrosion.
• Automotive & Medical Fields: 316/316L stainless steel bars (high precision) are used for automotive exhaust parts and medical instrument components, meeting strict corrosion and hygiene requirements.
Custom Processing Services
We offer tailored processing to match your needs:
• Cutting Service: Precision cutting to specified lengths (tolerance ±0.5mm) using advanced laser or saw cutting equipment.
• Chamfering Service: Removing sharp edges via mechanical chamfering, improving assembly safety and fit.
• Drilling Service: Custom hole drilling ( range 2mm - 15mm) with accurate positioning for direct installation.
• Surface Customization: Special polishing grades (e.g., #4, #8) or anti-fingerprint coatings upon request.
Quality Assurance
All stainless steel bars comply with international standards (ASTM A276, JIS G4305, GB/T 1220). Each batch undergoes strict testing:
• Material Composition Testing: Ensuring compliance with grade requirements via spectral analysis.
• Dimensional Inspection: Verifying sizes with precision calipers and gauges.
• Surface Quality Check: Inspecting for scratches, blemishes, or uneven finishes.
• Packaging: Products are wrapped in moisture-proof film and packed in wooden crates to prevent damage during transportation.
For custom specifications or technical inquiries, please contact our team for detailed support.
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