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  •  EAT14 WM4
    受激发射的横截面(10-20cm20.80.75
    荧光寿命(毫秒)*7.7-8.07.7-8.2
    中心激光波长(nm)15351535
  •  EAT14 WM4
    受激发射的横截面(10-20cm20.80.75
    荧光寿命(毫秒)*7.7-8.07.7-8.2
    中心激光波长(nm)15351535

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Microstructure

  • Qingdao NPA industry Co,.Ltd

    Material Data Sheet
    NH1949

    Doc. No: NH199
    Rev.: 00

    Element
    Mini-Max
    Remarks
    C
    0.40-0.55
    Cr
    25.0-29.0
    Ni
    43.0-47.0
    AI
    3.0-4.5
    W
    4.0-6.0
    Microalloy
    addition
    Iron
    Balance
  • Qingdao NPA industry Co,.Ltd

    Material Data Sheet
    NH1949

    Doc. No: NH199
    Rev.: 00

    Element
    Mini-Max
    Remarks
    C
    0.40-0.55
    Cr
    25.0-29.0
    Ni
    43.0-47.0
    AI
    3.0-4.5
    W
    4.0-6.0
    Microalloy
    addition
    Iron
    Balance

.

Physical Properties

  • Items
    Density
    (Kg/dm3)
    Coefficlent of expansion(10-6/℃)
    Modulus of elasticity
    (GPa)
    Thermal Conductivity
    (W/M · k)
    20-900℃
    ~1000℃
    ~1100℃
    900℃
    1000℃
    1100℃
    900℃
    1000℃
    1100℃
    Value
    7.8
    17.68
    18.0
    19.15
    129
    116
    103
    20.4
    22.3
    23.8
  • Items
    Density
    (Kg/dm3)
    Coefficlent of expansion(10-6/℃)
    Modulus of elasticity
    (GPa)
    Thermal Conductivity
    (W/M · k)
    20-900℃
    ~1000℃
    ~1100℃
    900℃
    1000℃
    1100℃
    900℃
    1000℃
    1100℃
    Value
    7.8
    17.68
    18.0
    19.15
    129
    116
    103
    20.4
    22.3
    23.8

.

Typical Mechanical Property at High Temperatures

  • Temperature
    (℃)

    Ultimate Strength
    (MPa)

    Yield strength
    (MPa)

    Elongation
    (5d,%)
    800
    565
    394
    6.5
    900
    204
    169
    26.5
    1000
    124
    62
    30
    1100
    81
    41
    44.5
  • Temperature
    (℃)

    Ultimate Strength
    (MPa)

    Yield strength
    (MPa)

    Elongation
    (5d,%)
    800
    565
    394
    6.5
    900
    204
    169
    26.5
    1000
    124
    62
    30
    1100
    81
    41
    44.5

.

6Stress Rupture Strength Table

  • Temperature
    (℃)
    1000hours Rupture Stress
    10000hours Rupture Stress
    100000hours Rupture Stress
    Average
    (MPa)
    Minimum
    (MPa)
    Average
    (MPa)
    Minimum
    (MPa)
    Average
    (MPa)
    Minimum
    (MPa)
    900
    43.5
    44.2
    31.4
    30.8
    22.6
    21.3
    950
    43.7
    44.5
    22.4
    21.1
    15.9
    14.4
    1000
    31.7
    31.0
    16.0
    14.5
    11.2
    9.7
    1050
    22.9
    21.6
    11.4
    9.9
    7.9
    6.6
    1100
    16.6
    15.1
    8.2
    6.8
    5.5
    4.4
  • Temperature
    (℃)
    1000hours Rupture Stress
    10000hours Rupture Stress
    100000hours Rupture Stress
    Average
    (MPa)
    Minimum
    (MPa)
    Average
    (MPa)
    Minimum
    (MPa)
    Average
    (MPa)
    Minimum
    (MPa)
    900
    43.5
    44.2
    31.4
    30.8
    22.6
    21.3
    950
    43.7
    44.5
    22.4
    21.1
    15.9
    14.4
    1000
    31.7
    31.0
    16.0
    14.5
    11.2
    9.7
    1050
    22.9
    21.6
    11.4
    9.9
    7.9
    6.6
    1100
    16.6
    15.1
    8.2
    6.8
    5.5
    4.4

.