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M100M250M300

High-Strength Steel

M100M250M300

Application

M100 Aircraft landing gear outer barrel, piston rod, transmission cylinder machine piston rod, turbine.

M250 Rocket engine casings, missile casings, high-speed rotors for uranium isotope centrifuge separators.

M300 For the production of chemically resistant plastic moulds, particularly suitable for thermoplastic corrosive plastics, for small moulds, for transparent and mirror products and moulds.

    CHEMICAL COMPOSITION

    Eraum Alloy

    %

    C

    Si

    Mr

    Cr

    Mb

    Ni

    P

    C

    Co

    Ti

    Al

    Cu

    N

    Fe

    M250

    MIN

    -

    -

    4

    19.5

    -

    1

    -

    -

    -

    -

    -

    -

    0.05

    cushion

    MAX

    0.03

    1

    6

    21.5

    0.06

    3

    -

    -

    -

    -

    -

    1

    0.17

    cushion

    MIN

    -

    -

    -

    -

    4.6

    17

    -

    -

    7

    0.3

    5

    -

    -

    -

    MAX

    0.03

    0.1

    0.1

    0.5

    5.2

    19

    0.01

    0.01

    8.5

    0.5

    0.15

    0.5

    -

    -

    MIN

    -

    -

    -

    -

    -

    -

    -

    -

    -

    -

    -

    -

    -

    -

    MAX

    0.38

    0.4

    0.65

    16

    1

    0.8

    -

    -

    -

    -

    -

    -

    -

    -

    Physical Properties

    Models

    M250

    M250

    M300

    Density

    7.9g/cm3

    7.85g/cm3

    7.85g/cm3

    Modulus of elasticity

    28.2*103

    -

    -

    resistivity

    259.0 ohm-cir-mil/ft(70.0℉)

    -

    -

    Product FEATURE

    M100 Excellent ductility and toughness, high fracture toughness, excellent resistance to fatigue and stress corrosion cracking, high fatigue strength.
    M250 Good toughness, high fracture toughness, good weldability, high strength and hardness.
    M300 excellent corrosion resistance, excellent wear resistance and toughness, good thermal fatigue resistance, uniform material hardness, excellent polishing performance, high surface accuracy.

    Product Dispaly

    • M100M250M300 (1)y4g
    • M100M250M300 (2)7h3
    • M100M250M300 (3)gzf