GH2130

High-Temp Steel

GH2130

GH2130 Ni-base age-hardening superalloy. (GB/T 14992; equiv GB GH2130 / ЭИ437Б). Nominal values—confirm mill certificate.

Chemical Composition (%)

CR12
MO3.5
AL1.4
TI2.2

Mechanical Properties

Tensile:≥690 MPa;Yield:≥280 MPa;Elong:≥25%

Chinese Standard

T 14992 GH2130

Equivalent Standards

GB GH2130 / ЭИ437Б

Available Forms

Bar,Forging

Uses

Heat- and creep-resistant steel for elevated-temperature service with stable strength and oxidation resistance. Used in furnace parts, exhaust manifolds, turbine components, boiler tubes and engine valves.

Heat Treatment

Normally used in the solution-annealed or precipitation-hardened condition; stabilise/age per the grade (e.g., 650–800 °C ageing). Avoid long exposure in the sigma/475 °C embrittlement ranges.

Precautions

Maintain the recommended heat-treatment envelope; prolonged time in embrittlement ranges reduces ductility. Use descaling/protective atmosphere to limit scaling.

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