ASTM A182 Grade F22 Tees (Companion to B16 Bolting)

The ASTM A182 Grade F22 Tee is a crucial pipe fitting used to create a branch in a pipeline, allowing fluid flow in two directions from a single line. Manufactured via a forging process, these tees use the Chromium-Molybdenum (2.25% Cr) alloy steel that exhibits excellent strength and creep resistance at elevated temperatures. This material is the ideal companion for B16 bolting in critical piping applications above $800^\circ\text{F}$ ($427∘C). The F22 Tee can be an Equal Tee or a Reducing Tee and is essential for maintaining pressure boundary integrity and flow distribution in high-pressure steam lines, headers, and equipment within thermal power plants and refineries. Zeron Fasteners ensures these tees meet the rigorous A182 F22 specification for seamless integration with B16 bolted joints.

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ASTM A182 Grade F22 Tees Chemical Composition

Element Composition (% by Mass)
Carbon (C) 0.05 - 0.15
Manganese (Mn) 0.30 - 0.60
Phosphorus (P) ≤ 0.035
Sulfur (S) ≤ 0.030
Silicon (Si) ≤ 0.50
Chromium (Cr) 2.00 - 2.50
Molybdenum (Mo) 0.90 - 1.10

ASTM A182 Grade F22 Tees Mechanical Properties

Property Minimum Requirement (Grade F22)
Tensile Strength, min 70 ksi (485 MPa)
Yield Strength, min (0.2% offset) 40 ksi (275 MPa)
Elongation in 2 in. (50 mm), min 20%
Reduction of Area, min 30%
Hardness, max (Brinell) 217 HBW

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