ASTM A403 WP304 Stainless Steel Butt-Weld Elbows

ASTM A403 WP304 Stainless Steel Butt-Weld Elbows are the pipe fitting equivalent of the B8 bolting material, essential for making reliable directional changes in industrial piping systems. These elbows, available in various degrees (e.g., 90° or 45°) and radii (Long Radius or Short Radius), are manufactured from austenitic stainless steel (AISI 304) through a forging and forming process. This ensures the fittings possess superior structural integrity and high resistance to common corrosive media and oxidation at elevated temperatures. The WP304 grade is critical in environments like chemical plants, food and beverage processing, and cryogenic services where cleanliness and resistance to rust are paramount. Zeron Fasteners supplies these wrought fittings, guaranteeing compliance with ASME B16.9 dimensional standards for seamless integration and robust, leak-proof piping connections.

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ASTM A403 WP304 Stainless Steel Butt-Weld Elbows Chemical Composition

Element Composition (%)
Carbon (C) 0.08 max
Manganese (Mn) 2.00 max
Phosphorus (P) 0.045 max
Sulfur (S) 0.030 max
Silicon (Si) 1.00 max
Chromium (Cr) 18.0 – 20.0
Nickel (Ni) 8.0 – 11.0

ASTM A403 WP304 Stainless Steel Butt-Weld Elbows Mechanical Properties

Property Value
Tensile Strength 75 ksi (515 MPa) min
Yield Strength 30 ksi (205 MPa) min
Elongation 30% min
Hardness (Brinell) 192 HB max

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