Industrial-Grade Stainless Angle Steel | ASTM A479 316L

Industrial-Grade Stainless Angle Steel | ASTM A479 316L
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​Product Specifications

​Mechanical Properties

1. ​Tensile Strength:

   • ​ASTM A479 316L: 515–690 MPa (75,000–100,000 psi)
     .
   • Exceeds standard structural requirements for offshore platforms, chemical reactors, and coastal infrastructure.

2. ​Bending Strength:

   • Achieves a 1:1 bend ratio (e.g., 50×50×6mm leg bends to 50mm radius) without cracking due to high ductility.

3. ​Yield Strength:

   • Minimum 205 MPa (30,000 psi) in annealed conditions, adaptable to cold-working for increased rigidity
     .

​Technical Features

1. ​Weight Calculation:

   • ​Formula for Equal Legs:
     $W=0.00785\times t\times (2B-t)$
     Example: 60×60×8mm → $W\approx 7.07\text{kg/m}$.
   • Pre-calculated charts available for ​stainless steel angle ASTM A276 and custom ​angle iron stainless steel profiles.

2. ​Marking & Traceability:

   • Laser-etched labels include heat number, grade (316L), and compliance codes (ASTM A479/A276).

3. ​Corrosion Resistance:

   • 316L contains 2.5–3% molybdenum, offering superior resistance to chlorides, sulfuric acid, and saltwater environments.

​Why Stainless Steel May Corrode?

Although ​stainless angle steel is highly durable, specific conditions can lead to localized rust:

1. ​Chloride Exposure:
   • Coastal or de-icing salt environments may cause pitting if the passive chromium oxide layer is damaged.
2. ​Galvanic Corrosion:
   • Direct contact with carbon steel or copper alloys in humid settings accelerates oxidation.
3. ​High-Temperature Oxidation:
   • Prolonged exposure above 870°C (1600°F) degrades chromium’s protective properties.
4. ​Mechanical Stress:
   • Improper welding or bending without post-treatment (e.g., pickling) reduces corrosion resistance.

Prevention Measures:

• Apply electropolishing to restore the chromium layer post-fabrication.
• Use insulating spacers to prevent galvanic coupling.

​Why Choose Our Stainless Angle Steel?

1. ​Material Superiority:
   • Prime-grade 316L billets with ±0.3% molybdenum tolerance for unmatched corrosion resistance.
2. ​Customization:
   • Tailor ​stainless steel angle ASTM A276 profiles (e.g., 45×45×5mm) with slotting or notching for rapid assembly.
3. ​Global Compliance:
   • Dual-certified ASTM A479/A316L and NACE MR0175 for oil/gas and marine applications.
4. ​Local Stock Availability:
   • Immediate access to ​angle iron stainless steel in 2-inch (50.8mm) and 3-inch (76.2mm) leg sizes across North America and Europe.
5. ​Sustainability:
   • 90% recycled content with eco-friendly packaging (PVC-free wraps, reusable wooden crates).