Certified Stainless Steel Pipe Elbow | High-Pressure Mastery

Premium-Grade Stainless Steel Pipe Elbow | Built to Last

Product Specifications

Attribute	Details
Material	ASTM 304/304L, 316/316L stainless steel pipe elbow
Dimensions	1/2" to 24" (DN15-DN600) seamless; up to 60" (DN3000) welded
Angle Options	45° stainless steel 45 degree street elbow, 90°, 180°, custom bends
Thickness	SCH10, SCH40, SCH80, XXS (ASME B16.9 compliant)
Hardness	150-200 HV (Vickers) for optimal machinability
Surface Finish	Polished (Ra ≤0.8 μm), sandblasted, or pickled for corrosion resistance
Connection Type	Butt-welded, threaded, socket-welded (MSS SP-75 certified)
Pressure Rating	3000–9000 PSI (20.7–62.1 MPa) depending on grade
Certifications	ISO 9001, CE, PED, API, and NACE MR0175 compliant

Key Features

Superior Corrosion Resistance
Made from stainless steel pipe elbow alloys (304/316L), our elbows resist chloride-induced pitting and crevice corrosion, ideal for marine and chemical environments.
High-Temperature Performance
Withstands up to 1150°C (2100°F) continuous operation, thanks to chromium-nickel-molybdenum composition.
Precision Manufacturing
Cold-drawn and solution-annealed for uniform grain structure, reducing stress cracks during welding.
Versatile Applications
Designed for stainless steel exhaust elbows in automotive systems, HVAC, oil/gas pipelines, and industrial machinery.

Technical Performance

Tensile Strength

Grade 304: 515–860 MPa
Grade 316L: 485–795 MPa

These values ensure structural integrity under extreme pressure, verified by hydrostatic testing at 1.5x rated pressure.

Bending Strength

Yield Strength: 205–310 MPa (304) / 170–290 MPa (316L)
Heat treatment (1050°C quench) enhances ductility, preventing deformation during installation.

Weight Calculation

Formula for stainless steel pipe elbow weight:
$Weight (kg) = Volume \times Density (7930 kg/m³)$
Example: A 90° 4" SCH40 elbow (0.114 m³) ≈ 3.2 kg.

Identification Standards

ASTM A403: Wrought austenitic stainless steel fittings
ASME B16.9: Factory-made butt-welding elbows
MSS SP-43: Light-duty corrosion-resistant welds

Why Stainless Steel Rusts

While stainless steel pipe elbow is corrosion-resistant, rust may occur due to:

Chloride Exposure: Coastal environments degrade the chromium oxide layer.
Mechanical Damage: Scratches from improper handling expose the iron substrate.
Low Oxygen: Stagnant water in joints causes crevice corrosion.
Substandard Alloys: Impurities from unregulated mills reduce chromium content.

Why Choose Our Stainless Steel Elbows?

Certified Material Traceability
All stainless steel 45 degree street elbow and stainless steel exhaust elbows are sourced from ISO-certified mills, with Mill Test Reports (MTRs) verifying composition.
Advanced Quality Control
Every batch undergoes eddy current testing, ultrasonic inspection, and hydrostatic checks.
Customization Capabilities
Tailor-made bends (22.5° to 180°), thicknesses (2–50 mm), and surface finishes for unique project needs.
Global Compliance
Meet ASME, DIN, JIS, and GB/T standards for international projects.
Eco-Friendly Production
Made with 70% recycled steel, reducing carbon footprint without compromising durability.