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    2. EN 10269 Grade X10CrNiMoMnNbVB15-10-1 (1.4982)

    EN 10269 Grade X10CrNiMoMnNbVB15-10-1 (1.4982) Fasteners

    Complex Austenitic Stainless Steel Bolts, Stud Bolts, Screws, Nuts & Washers in EN 10269 Grade X10CrNiMoMnNbVB15-10-1 (1.4982)

    EN 10269 Grade X10CrNiMoMnNbVB15-10-1 (1.4982) Fasteners are complex austenitic stainless steel fasteners with multiple alloying elements including niobium, vanadium, and boron providing exceptional high-temperature creep strength and thermal stability, used in advanced power generation, steam turbines, and ultra-high-temperature pressure bolting applications.

    EN 10269 X10CrNiMoMnNbVB15-10-1 Chemical composition

    Material designation Chemical composition, % by mass
    Name Number C Si Mn P max. S max. Al tot B Cr Mo Ni V Others
    Steels for quenching and tempering
    X10CrNiMoMnNbVB15-10-1 1.4982 0,07 to 0,13 ≤ 1,00 5,50 to 7,00 0.040 0,015 b - 0,003 to 0,009 14,0 to 16,0 0,80 to 1,20 9,0 to 11,0 0,15 to 0,40 Nb: 0,75 to 1,25
    N ≤ 0,10
    • a Elements not listed in this table may not be intentionally added to the steel without the agreement of the purchaser except for finishing the cast. All appropriate precautions are to be taken to avoid the addition of such elements from scrap and other materials used in production which would impair mechanical properties and the usefulness of the steel.
    • b A controlled sulphur content of 0,015 % to 0,030 % improves the machinability and is therefore recommended and may be agreed at time of enquiry and order. For weldability, a controlled sulphur content of 0,008 % to 0,030 % is recommended and may be agreed at time of enquiry and order.
    • c For requirements regarding magnetic properties up to a maximum of 0,28 % C.

    EN 10269 X10CrNiMoMnNbVB15-10-1 Mechanical properties

    Mechanical properties at Room Temperature

    Mechanical properties at room temperature and at 20 °C of steels in delivery conditions which support the Essential Safety Requirements of Directive 97/23/ECb

    Material designation Heat treatment conditiona Diameter c Proof strength Tensile strength Elongation after fracture Reduction in area Impact energy (ISO-V) at 20°C
    Name Number
    d mm Rp0,2 MPa min. Rm MPa A % min. Z % min. KV2 J min.
    X10CrNiMoMnNbVB15-10-1 1.4982 +AT+WW d ≤ 100 510 650 to 850 25 - 50
    • a +AT = solution annealed; +C = cold work hardened; +N = normalized; +NT = normalized and tempered; +P = precipitation hardened;
    • +QT = quenched and tempered; +WW = warm worked (see Annex B).
    • b Products made of steel grades and these final heat treatment conditions support the Essential Safety Requirements of Directive 97/23/EC, see Annex 1, 7.5 of this directive.
    • c For rectangular cross-sections "d" will be replaced by "b" (see Figure 1).

    EN 10269 X10CrNiMoMnNbVB15-10-1 Proof strength

    Minimum 0,2 %-proof strength values at elevated temperature of steels in delivery conditions which support the Essential Safety Requirements of Directive 97/23/EC d

    Material designation Heat treatment conditiona Diameter e d mm Minimum 0,2 %-proof strength Rp0,
    2 in MPa at a temperature (in °C) of:
    Name Number 50 100 150 200 250 300 350 400 450 500 550 600 650
    X10CrNiMoMnNbVB15-10-1 1.4982 +AT+WW d ≤ 100 490 463 446 434 423 413 405 396 391 386 378 365 346
    • a +AT = solution annealed; +C = cold work hardened; +N = normalized; +NT = normalized and tempered; +P = precipitation hardened; +QT = quenched and tempered; +WW = warm worked (see Annex B).
    • b This steel grade is generally not applied in the creep range.
    • c Values in brackets signify that the steel is not intended for use (and testing) at those temperatures.
    • d Products made to these steel grades and these final heat treatment conditions support the Essential Safety Requirements of Directive 97/23/EC; see Annex 1, 7.5 of this directive.
    • e For rectangular cross sections "d" will be replaced by "b" (see Figure 1).
    • *) Values calculated by linear interpolation.

    EN 10269 X10CrNiMoMnNbVB15-10-1 Tensile Strength

    Minimum tensile strength values at elevated temperatures of steels in delivery conditions which support the Essential Safety Requirements of Directive 97/23/EC b

    Material designation Heat treatment conditiona Diameter c d mm Minimum tensile strength Rm
    in MPa at a temperature (in °C) of:
    Name Number 50 100 150 200 250 300 350 400 450 500 550 600 650
    X10CrNiMoMnNbVB15-10-1 1.4982 +AT+WW d ≤ 100 610 565 530 505 490 475 465 460 450 440 430 410 390
    • a +AT = solution annealed; +C = cold work hardened; +N = normalized; +NT = normalized and tempered; +P = precipitation hardened; +QT = quenched and tempered; +WW = warm worked (see Annex B).
    • b Products made to these steel grades and these final heat treatment conditions support the Essential Safety Requirements of Directive 97/23/EC; see Annex 1, 7.5 of this directive.
    • c For rectangular cross-sections "d" will be replaced by "b"
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