Astm A276 316 Polished Stainless Steel Bar
Certification:ASTM, GB, EN, DIN, JIS
Shape:Round
Technique:Hot/Cold Rolled
Surface Treatment：Polished
Dimensions:5-400mm
Tolerance:0/+1.0mm(Turned) -0/+5.0mm(Black)
Transport Package:in Bundles or Wooden Box
What is astm a276 316 polished stainless steel bar ?
ASTM A276 316 polished stainless steel bar is polished (mechanical polishing or electrolytic polishing) with a smooth surface (roughness is usually ≤Ra 0.8μm), high strength and excellent corrosion resistance.Containing 2-3% molybdenum (Mo), the resistance to pitting and crevice corrosion is significantly better than 304 stainless steel, suitable for harsh corrosive environments.
a276 316 polished steel rod application
Highly corrosive environments: chemical equipment (reactors, pipelines), marine engineering (seawater desalination, ship parts).
Food and medical: food processing machinery (needs to be resistant to detergents), medical equipment (such as surgical instruments, which require smooth and easy-to-clean surfaces).
astm a276 316 Stainless Round Bar Stock
astm a276 316 polished steel bar Advantages
Improved corrosion resistance: Polishing removes surface defects (such as scale and inclusions) and reduces corrosion starting points. Compared with 304, 316 polishing rods do not require additional protection in humid or chlorine-containing environments, reducing maintenance costs.
Improved appearance: Mirror effect (Ra≤0.2μm) or matte effect to meet aesthetic needs.
Cleanliness: Smooth surface is not easy to retain pollutants, suitable for high-cleanliness fields such as food and medicine.
Why Choose GNEE
GNEE has 20 years of experience in stainless steel production, 10,000 tons of inventory, and shortened delivery cycle to 5-7 working days.
Implementation standards: ASTM A276, GB/T 1220, JIS G4303
Delivery status: solution annealing (soft state), cold drawing hardening (hard state)
Packaging method: wooden box/pallet packaging (anti-collision), customizable anti-rust film wrapping (sea transportation requirements)
Minimum order quantity: 100kg, support small batch samples (72 hours fast proofing)
ASTM A276 Gr 316 Cold Drawn Bright Bar Specifications
| Standard | ASTM A276 |
| Grade | 316 (UNS S31600) |
| Product Form | Round Bar / Square Bar / Hex Bar / Flat Bar |
| Surface Finish | Polished (e.g., 180 grit, 240 grit, 320 grit) |
| Diameter / Size Range | 3 mm – 300 mm (or as required) |
| Length | 1000 mm – 6000 mm (or custom cut lengths) |
| Tolerance | h9 / h10 / ASTM A484 standard tolerances |
| Heat Treatment | Annealed / Cold Drawn |
| Yield Strength (Min) | 205 MPa (29,700 psi) |
| Tensile Strength (Min) | 515 MPa (74,800 psi) |
| Elongation (Min) | 40% |
| Hardness (Max) | 95 HRB |
| Corrosion Resistance | Excellent, especially against chlorides |
| Applications | Marine, Chemical Processing, Food Equipment |
| Certification | EN 10204 3.1 / 3.2 (upon request) |
ASTM A276 Type 304L Rod Supplier in china
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