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Premium Stainless Steel 90 Degree Elbow | Durable & Customized

Premium Stainless Steel 90 Degree Elbow | Durable & Customized

$3.00 SGD
$3.00 SGD
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Premium Stainless Steel 90 Degree Elbow | Durable & Customized

Product Specifications

Property Stainless Steel 90 Degree Elbow Standards Compliance
Material Grades 304, 316L, 321, 904L, Duplex 2205 ASME B16.9, DIN 2605, EN 10253
Size Range ½"–24" (DN15–DN600) SCH5S–SCH160
Wall Thickness 1.5–40 mm ANSI B16.11, MSS SP-43
Surface Finish Mirror Polished, Pickled, Sandblasted Ra 0.4–0.8 μm (hygienic)
Hardness (HV) ≤200 HBW ASTM A403, ISO 9001
Pressure Rating 150–3000 PSI NACE MR-0175 (corrosion-resistant)
Operating Temp -196°C to 900°C FDA, 3A Sanitary Compliance

Mechanical Properties

Tensile Strength

Our stainless steel 90 degree elbow delivers a minimum tensile strength of 520–620 MPa (304/316L grades), ensuring robust performance in high-pressure systems like oil pipelines and chemical processing. The austenitic microstructure, enhanced by molybdenum in 316L, resists stress corrosion cracking even in chloride-rich environments such as marine applications.

 

Bending Strength

With ≥35–40% elongation, these elbows withstand cold-forming processes like hydroforming and mandrel bending. The stainless steel elbows maintain structural integrity under repetitive stress, ideal for HVAC systems and food-grade pipelines requiring smooth directional changes.

 

Identification & Marking

  • Standard Markings: Laser-etched with grade (e.g., 304/316L), size, pressure rating, and heat number.
  • Certifications: ASME B16.9, ISO 9001, and PED 97/23/EC for traceability.
  • Surface Codes: Polishing grades (180–420 grit) indicated for hygienic applications.

Weight Calculation

Weight (kg) = [(OD – WT) × WT × OD × 0.02491] × 1.5 (90° factor)
Example: A 219mm OD × 3.76mm WT stainless steel 90 degree elbow weighs 10.15 kg (304L).

 

Why Stainless Steel Corrodes?

Despite its corrosion resistance, stainless steel elbows may rust under extreme conditions:

  1. Chloride Exposure: Seawater or de-icing salts penetrate the chromium oxide layer, causing pitting.
  2. Intergranular Corrosion: Prolonged 450–850°C exposure forms chromium-depleted zones at grain boundaries.
  3. Galvanic Corrosion: Contact with dissimilar metals (e.g., carbon steel) in humid environments accelerates degradation.
  4. Mechanical Damage: Abrasive handling or improper welding compromises surface integrity.

Key Features & Applications

Material Advantages

  • Hygienic Design: Mirror-polished stainless steel elbows meet FDA and 3A standards for dairy, pharmaceutical, and beverage industries.
  • Customization: Available in stainless steel 45 degree street elbow configurations for tight spaces or specialized plumbing.
  • Temperature Resistance: Stable performance in cryogenic LNG systems (-196°C) and high-temperature exhausts (900°C).

Processing Techniques

Process Description
Mandrel Forming Maintains uniform wall thickness for high-pressure integrity.
Solution Annealing Restores corrosion resistance post-welding (1050–1100°C).
Electropolishing Reduces surface roughness to Ra <0.4 μm for sanitary compliance.

Why Choose Our Stainless Steel Elbows?

  1. Certified Quality: ASME B16.9, ISO 9001, and 3A Sanitary certifications ensure reliability.
  2. Global Supply: 10,000+ pieces/month capacity with rapid delivery from China, India, and EU hubs.
  3. Custom Solutions: Tailored dimensions, angles (45°–180°), and threading (NPT, BSPT).
  4. Technical Support: 24/7 engineering guidance on welding, pressure testing, and corrosion prevention.
  5. Sustainability: 100% recyclable with RoHS-compliant production.
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