Mar-M246

Mar-M246 is a kind of Nickel-based casting alloy which is strengthen by the precipitation phase. It has high persistent strength and creep rupture strength at 650-1040℃which simultaneously has good anti-oxidation property and be good at casting complex shape castings as well as making a single turbo.

Equivalent Grades

TrademarkGBGOSTASTMUNSDINW.Nr.NFBSJISSS
K246Mar-M246

Chemical Composition, %

AlloyCSiMnPSCrNiCoWMoAlTiTaBZrFe
Mar-M2460.13-0.17≤0.2≤0.2≤0.01≤0.018.0-10.0Bal9.0-11.09.0-11.02.25-2.755.25-5.751.25-1.751.25-1.750.01-0.020.03-0.08≤0.5

Typical Physical and Mechanical Properties (RT, Solution Annealed)

Density, g/cm3Melting Point, ℃Tensile Strength, MPaYield Strength, MPaELongation, %Hardness, HRB
8.51220-135010258/

Available Products and Specifications

Rod, Bar, Wire and Forgings
Plate, Sheet and Strip
Pipe and Tube
Welding Product
Others

Features

It has high persistent strength and creep rupture strength at 650-1040℃which simultaneously has good anti-oxidation property and be good at casting complex shape castings as well as making a single turbo.

Applications

The alloy has been used to make working blades of pressure cooker turbine and integrally cast turbine of aeroengine.