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KHN62MVKJU - ЭИ867 sheet, round, wire

KHN62MVKJU - ЭИ867 sheet, round, wire

Heat-resistant Nickel alloy KHN62MVKJU (ЭИ867-VD, KHN62MVKJU-VD, ЭИ867) is intended for the production of turbine blades, which operate at a temperature not exceeding 900 °C. the Basic material requirements for the manufacture of turbine blades are subject to the latest developments of the designs of engines, a continuous increase in ductility, resistance to low cycle, thermal fatigue, heat resistance and resistance to gas environments. The material in modern engines, turbine blades must have a high resistance to destruction by heat, low cycle fatigue, which today is the main form of destruction. To worsen the danger of destruction capable of surface reactions due to the weakening of grain boundaries and gas corrosion.

KHN62MVKJU chemical composition according to GOST 5632−72, in percentage.

P S Ce Cr Fe C Mo Mn Si Ni B Al Co W
to 0.015 to 0.011 up to 0.02 8.5 — 10.5 up to 4 to 0.1 9 — 11.5 to 0.3 to 0.6 56.034 — 70 up to 0.02 4.2 — 4.9 4 — 6 4.3 — 6

Physical characteristics KHN62MVKJU.

MPa kg/m3 1/Deg Grad J/(kg·deg) Ohm·m W/(m·deg)
E 10 — 5 r a 10 6 T C R 10 9 l
    16.9 900      
    16.4 800      
    15.6 700      
    14.7 600      
    14 500      
    13.7 400      
    13.4 300      
    13 200      
    12.6 100      
    11.5 20      

Designations:

Physical characteristics of this brand of alloy:
— 1st kind of modulus of elasticity, [MPa] — E
— The heat capacity of the material (or the ratio of teploprovodna.), in [W/(m·deg)] -l
— The temperature required to obtain these properties, [Grad] — T
— linear coefficient. temp. extensions to [1/Deg] (temp. the interval 20o), -a
— electrical resistivity, [Ohm·m] -R
— The density of this material, [kg/m3] -r
— the specific heat capacity of material [j/(kg·deg)] (temp. the interval 20 ° C) -C

Magnetic characteristics:

the coercive force (not more than) [A/m ] Hc
the magnetic permeability (not above) [ MH/m ] Umax
— specific losses (no higher) frequency 50 Hz, magnetic induction of 1.0 T [ W/kg ] P1.0/50
— T magnetic induction intensity of a magnetic field of not less than 100, in a magnetic field [ A/m ] B100

Mechanical characteristics KHN62MVKJU.

Products mm MPa % kJ / m2 MPa - -
- Size blower SB y KCU sT Eg. Heat treatment
GOST 23705−79, Rod   980−1220 11−28 147−490 760−860   Quenching and aging
Mechanical characteristics:
— Short-term tensile strength in [MPa] blower SB
— Yield strength (limit of proportionality) for the residual strain, [MPa] sT
— at break elongation in [ % ] d5
— narrowing of the relative in [ % ] y
— the viscosity of the shock, in [ kJ / m2] KCU
— Brinell hardness [MPa] HB

Technological characteristics KHN62MVKJU.

Welding:
weldability limited — welding is possible in the process of heating up to temp. 100−120? C and further thermal treatment
konovalivka in order to obtain quality welded joints, it is necessary to perform additional operations: during welding heating up to temp. 200−300°C, heat treatment (annealing) after welding.
Welded without any restrictions — welding is carried out without further heat treatment and pre-heating.

Buy Vygodsky price

The company «AVEK global», producing a large range of products from alloy KHN62MVKJU ready to satisfy the most sophisticated demands of consumers. The widespread use of products that are made from this alloy due to the high quality, huge variety and affordable cost. Absolute control of all stages of the technological process allows the company «AVEK global» to produce high quality metal products. The introduction of modern technologies enables us a base range, which are always in stock at the warehouses of the company, accept orders for manufacturing of metal products for individual orders of custom options and sizes.

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