92

Alloy Steel

Chromium-molybdenum alloy steel plates for elevated-temperature welded pressure vessels. Higher Cr/Mo improves creep strength, oxidation and H2S resistance. Grade 92 (9Cr-0.5Mo-1.8W-V-Nb-B creep-resistant).

Mechanical Properties

Tensile 620 MPa min Yield 440 MPa min Elong 18% min

Chinese Standard

ASTM A387 / A387M; ASME SA-387

Applications

Welded boilers, pressure vessels, refinery reactors, heat exchangers, high-temp piping

Available Forms

Plate, sheet

Uses

Boilers, pressure vessels, refinery reactors, heat exchangers, high-temp piping

Heat Treatment

Normalize+temper or quench+temper per grade; Grade 91/92 austenitize 1040-1080 C + temper 730-800 C

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92