The ASTM A860 WPHY42 LR 90° Elbow is a high-yield wrought carbon steel fitting designed for high-pressure oil and gas transmission. WPHY42 provides a minimum yield strength of 42,000 PSI, matching the performance of API 5L X42 line pipe. Its Long Radius (LR) design ($1.5D$) ensures low turbulence and pressure loss. These elbows are specifically tested for fracture toughness, making them ideal for cross-country pipelines where safety and weldability under high-stress conditions are critical.
Technical Attributes: ASTM A860 WPHY42 LR 90° Elbow
Material Grade,ASTM A860 WPHY42 (High-Yield Carbon Steel)
Fitting Type,90 Degree Long Radius (LR) Elbow
Yield Strength,"≥290 MPa (42,000 PSI)"
Tensile Strength,"415–585 MPa (60,000–85,000 PSI)"
Elongation,≥20% to 25% (Depending on specimen)
Center-to-End Dim,1.5× Nominal Pipe Size (1.5D)
Design Standard,MSS SP-75 / ASME B16.9
End Connection,Butt Welding (BW)
End Preparation,Beveled Ends per ASME B16.25
Wall Thickness,"Matches API 5L X42 Pipe (SCH 40, 80, etc.)"
Size Range,14" to 60" (Typically Large Diameter)
Impact Testing,Charpy V-Notch (Typically 27J at −46∘C)
Heat Treatment,"Normalized, Quenched, and Tempered"
Carbon Equivalent,CE≤0.42% (For excellent weldability)
Hardness,≤197 HBW
Nondestructive,UT/RT for Welds; MT/PT for Surfaces
Surface Finish,Black Bitumen / FBE Coating / Anti-rust Oil
Certification,EN 10204 3.1 / MTR
Traceability,Heat Number & Grade Hard Stamped
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