Alloy KHN58V (ЭП795)

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  • Alloy KhN58V (EP795)
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    • Designation

    Name The value
    Designation GOST Cyrillic ХН58В
    Designation GOST Latin XH58B
    Transliteration HN58V
    By chemical elements CrNi58В
    Name The value
    Designation GOST Cyrillic ЭП795
    Designation GOST Latin EP795
    Transliteration EhP795
    By chemical elements -

    Description

    Alloy KHN58V used: for the manufacture of welded structures operating in solutions of nitric acid in the presence ftorinol; pipe joints, fittings etc. with the body of the article with a thickness of up to 25.0 mm in equipment, working with radioactive media.

    Note

    Corrosion resistant alloy on a Nickel basis.
    The alloy is resistant to intergranular corrosion in nitric-fluoride solutions.

    Standards

    Name Code Standards
    Sheets and strips В33 GOST 24982-81, TU 14-1-4362-87
    Classification, nomenclature and General rules В30 GOST 5632-72
    Blanks. Of the workpiece. Slabs В31 OST 3-1686-90
    Welding and cutting metals. Soldering, riveting В05 OST 95 10441-2002
    Bars and shapes В32 TU 14-11-245-88, TU 14-131-765-88

    Chemical composition

    Standard C S P Mn Cr Si Ni Fe Cu Ti Mo W
    GOST 5632-72 ≤0.03 ≤0.012 ≤0.015 ≤1 39-41 ≤0.15 Rest ≤0.8 ≤0.3 ≤0.2 ≤0.3 0.5-1.5
    Ni is the basis.

    Mechanical properties

    Section, mm sT|s0,2, MPa σU, MPa d5, %
    Steel cold-rolled sheet (0.8 to 3.9 mm) and HR (2.0 to 11.0 mm) in the delivery state according to GOST 24982-81. Quenching in water, under a water shower or air 1050-1090 °C
    ≤3.9 ≥345 ≥740 ≥35
    4-11 ≥390 ≥740 ≥35

    Description mechanical marks

    Name Description
    sT|s0,2 Yield strength or limit of proportionality with a tolerance for residual deformation of 0.2%
    σU Limit short-term strength
    d5 Elongation after rupture

    Technological properties

    Name The value
    Weldability manual argon arc welding with non-consumable electrode (filler or without filler metal), use of combined methods of welding