Product Overview

M247 (Mar-M247) nickel-based casting superalloy, produced by Qinchuan New Materials (Zhengzhou) Co., Ltd., is a high-performance γ' phase precipitation strengthened equiaxed grain nickel-based casting superalloy. This alloy is suitable for high-end equiaxed grain casting materials for the hot-end main applications in the aviation and gas turbine fields, and it performs excellently under high temperature and high-pressure conditions due to its outstanding properties.

Main Product Features

• Ultimate high temperature strength and creep resistance: Maintains excellent tensile strength and high-temperature durability in the core service temperature range of 900°C.

• Top anti-heat corrosion and high-temperature oxidation resistance: Excellent comprehensive performance of high-temperature oxidation resistance, anti-sulfidation, and anti-gas thermal corrosion under high sulfur fuel conditions.

• Excellent casting formability and structural adaptability: Excellent melt fluidity, excellent filling performance, especially suitable for the forming of complex thin-walled, hollow, and non-standard precision castings.

• Organizational stability and high comprehensive service reliability: After standard solution treatment + aging heat treatment, the distribution of the strengthening phase is uniform, and the high-temperature thermal stability is extremely strong.

Product Detailed Parameters

Application Scope

M247 nickel-based superalloy casting is widely used in the following fields:

• Aerospace Propulsion: High-pressure isometric crystal turbine blades, guide vanes, turbine guide vane assemblies, etc.
• Industrial Gas Turbines: Heavy-duty gas turbine turbine blades, high-temperature nozzles, combustion chamber castings, etc.
• High-end energy power equipment: high-temperature rotating and stationary hot-end components, special engine heat-resistant castings, etc.
• High-end industrial high-temperature equipment: ultra-high-temperature furnace precision heat-resistant castings, core load-bearing parts of high-temperature thermal equipment, etc.
• Military Special Equipment: Special power units, high-temperature precision castings, heat-resistant and load-bearing components for extreme working conditions, etc.

Frequently Asked Questions (FAQ)

What is the long-term safe service temperature of M247 alloy?

A: The long-term safe service temperature of M247 alloy is ≤900°C.

What is the short-term ultimate temperature tolerance of M247 alloy?

A: The short-term ultimate temperature tolerance of M247 alloy can reach 1000℃.

What high-temperature conditions are suitable for M247 alloy?

A: M247 alloy is suitable for severe working conditions in the temperature range of 850-1000℃, such as high temperature, high pressure, sulfur-containing gas corrosion, etc.