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    EN 10269 Chemical Composition

    Chemical Composition Limits by Mass Percentage for EN 10269 Steels and Nickel Alloys

    This page provides the comprehensive chemical composition limits by mass percentage for all steel and nickel alloy grades specified in the EN 10269 standard, including Carbon, Silicon, Manganese, Chromium, Nickel, Molybdenum, and other crucial alloying elements.

    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
    20MnB4 1.5525 0,18 to 0,23 ≤ 0,30 0,90 to 1,20 0.025 0.025 ≥ 0,020 0,000 8 to 0,005 0 ≤ 0,30 - - - Cu ≤ 0,25
    23MnB4 1.5535 0,20 to 0,25 ≤ 0,30 0,90 to 1,20 0.025 0.025 ≥ 0,020 0,000 8 to 0,005 0 ≤ 0,30 - - - Cu ≤ 0,25
    23MnB3 1.5507 0,21 to 0,25 ≤ 0,15 0,80 to 1,00 0.015 0.015 0,02-
    0,08    		 0,000 8 to 0,005 0 0,25 to 0,35 - - - Cu ≤ 0,25
    Ti ≤ 0,06
    C35E 1.1181 0,32 to 0,39 ≤ 0,40 0,50 to 0,80 0.030 0,015 b - - ≤ 0,40 ≤ 0,10 ≤ 0,40 - Cr+Mo+Ni: ≤ 0,63
    C45E 1.1191 0,42 to 0,50 ≤ 0,40 0,50 to 0,80 0.030 0,015 b - - ≤ 0,40 ≤ 0,10 ≤ 0,40 - Cr+Mo+Ni: ≤ 0,63
    35B2 1.5511 0,32 to 0,39 ≤ 0,40 0,50 to 0,80 0.030 0,015 b ≥ 0,020 0,000 8 to 0,005 0 - - - - -
    20Mn5 1.1133 0,17 to 0,23 ≤ 0,40 1,00 to 1,50 0.030 0.035 ≥ 0,020 - ≤ 0,40 ≤ 0,10 ≤ 0,40 - Cr+Mo+Ni: ≤ 0,63
    25CrMo4 1.7218 0,22 to 0,29 ≤ 0,40 0,60 to 0,90 0.025 0.035 - - 0,90 to 1,20 0,15 to 0,30 - - -
    42CrMo4 1.7225 0,38 to 0,45 ≤ 0,40 0,60 to 0,90 0.025 0.035 - - 0,90 to 1,20 0,15 to 0,30 - - -
    42CrMo5-6 1.7233 0,39 to 0,45 ≤ 0,40 0,40 to 0,70 0.025 0.035 - - 1,20 to 1,50 0,50 to 0,70 - - -
    40CrMoV4-6 1.7711 0,36 to 0,44 ≤ 0,40 0,45 to 0,85 0.025 0.030 ≤ 0,015 - 0,90 to 1,20 0,50 to 0,65 - 0,25 to 0,35 -
    27NiCrMoV15-6 1.6957 0,22 to 0,32 c ≤ 0,15 0,15 to 0,40 0.010 0.007 - - 1,20 to 1,80 0,25 to 0,45 3,40 to 4,00 0,05 to 0,15 -
    26 NiCrMo 14-6 1.6958 0,25 to 0,30 0,15 to
    0,30    		 0,20 to 0,50 0.020 0,015 b 0,005 to
    0,050    		 - 1,20 to 1,70 0,35 to 0,55 3,30 to 3,80 ≤ 0,12 -
    21CrMoV5-7 1.7709 0,17 to 0,25 ≤ 0,40 0,40 to 0,80 0.025 0.030 ≤ 0,030 - 1,20 to 1,50 0,55 to 0,80 ≤ 0,60 0,20 to 0,35 -
    20CrMoVTiB4-10 1.7729 0,17 to 0,23 ≤ 0,40 0,35 to 0,75 0.020 0,015 b 0,015 to
    0,080    		 0,001 to 0,010 0,90 to 1,20 0,90 to 1,10 ≤ 0,20 0,60 to 0,80 Ti: 0,07 to 0,15
    As: ≤ 0,020
    Sn: ≤ 0,020
    Cu: ≤ 0,20
    34CrNiMo6 1.6582 0,30 to 0,38 ≤ 0,40 0,50 to 0,80 0.025 0.035 - - 1,30 to 1,70 0,15 to 0,30 1,30 to 1,70 - -
    30CrNiMo8 1.6580 0,26 to 0,34 ≤ 0,40 0,50 to 0,80 0.025 0.035 - - 1,80 to 2,20 0,30 to 0,50 1,80 to 2,20 - -
    X12Ni5 1.5680 ≤ 0,15 ≤ 0,35 0,30 to 0,80 0.020 0.010 - - - - 4,75 to 5,25 ≤ 0,05 -
    X8Ni9 1.5662 ≤ 0,10 ≤ 0,35 0,30 to 0,80 0.020 0.010 - - - ≤ 0,10 8,5 to 10,0 ≤ 0,05 -
    X15CrMo5-1 1.7390 ≤ 0,18 ≤ 0,40 0,30 to 0,80 0.025 0.015 - - 4,0 to 6,0 0,45 to 0,65 - - -
    X22CrMoV12-1 1.4923 0,18 to 0,24 ≤ 0,50 0,40 to 0,90 0.025 0,015 b - - 11,0 to 12,5 0,80 to 1,20 0,30 to 0,80 0,25 to 0,35 -
    X12CrNiMoV12-3 1.4938 0,08 to 0,15 ≤ 0,50 0,40 to 0,90 0.025 0.015 11,0 to 12,5 1,50 to 2,00 2,00 to 3,00 0,25 to 0,40 N: 0,020 to 0,040
    X19CrMoNbVN11-1 1.4913 0,17 to 0,23 ≤ 0,50 0,40 to 0,90 0.025 0.015 ≤ 0,020 ≤ 0,001 5 10,0 to 11,5 0,50 to 0,80 0,20 to 0,60 0,10 to 0,30 Nb: 0,25 to 0,55
    N: 0,05 to 0,10
    Austenitic steels
    X2CrNi18-9 1.4307 ≤ 0,030 ≤ 1,00 ≤ 2,00 0.045 0,015 b - - 17,5 to 19,5 - 8,0 to 10,0 - N ≤ 0,10
    X5CrNi18-10 1.4301 ≤ 0,07 ≤ 1,00 ≤ 2,00 0.045 0,015 b - - 17,0 to 19,5 - 8,0 to 10,5 - N ≤ 0,10
    X4CrNi18-12 1.4303 ≤ 0,06 ≤ 1,00 ≤ 2,00 0.045 0,015 b - - 17,0 to 19,0 - 11,0 to 13,0 - N ≤ 0,10
    X2CrNiN18-10 1.4311 ≤ 0,030 ≤ 1,00 ≤ 2,00 0.045 0,015 b - - 17,5 to 19,5 - 8,5 to 11,5 - N: 0,12 to 0,22
    X6CrNi25-20 1.4951 0,04 to 0,08 ≤ 0,70 ≤ 2,00 0.035 0,015 b - - 24,0 to 26,0 - 19,0 to 22,0 - N ≤ 0,10
    X2CrNiMo17-12-2 1.4404 ≤ 0,030 ≤ 1,00 ≤ 2,00 0.045 0,015 b - - 16,5 to 18,5 2,00 to 2,50 10,0 to 13,0 - N ≤ 0,10
    X5CrNiMo17-12-2 1.4401 ≤ 0,07 ≤ 1,00 ≤ 2,00 0.045 0,015 b - - 16,5 to 18,5 2,00 to 2,50 10,0 to 13,0 - N ≤ 0,10
    X2CrNiMoN17-13-3 1.4429 ≤ 0,030 ≤ 1,00 ≤ 2,00 0.045 0.015 - - 16,5 to 18,5 2,50 to 3,00 11,0 to 14,0 - N: 0,12 to 0,22
    X3CrNiCu18-9-4 1.4567 ≤ 0,04 ≤ 1,00 ≤ 2,00 0.045 0,015 b - - 17,0 to 19,0 - 8,5 to 10,5 - N ≤ 0,10
    Cu: 3,0 to 4,0
    X6CrNi18-10 1.4948 0,04 to 0,08 ≤ 1,00 ≤ 2,00 0.035 0.015 - - 17,0 to 19,0 - 8,0 to 11,0 - N ≤ 0,10
    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
    X3CrNiMoBN17-13-3 1.4910 ≤ 0,04 ≤ 0,75 ≤ 2,00 0.035 0.015 - 0,001 5 to
    0,005 0    		 16,0 to 18,0 2,00 to 3,00 12,0 to 14,0 - N: 0,10 to 0,18
    X6CrNiMoB17-12-2 1.4919 0,04 to 0,08 ≤ 1,00 ≤ 2,00 0.035 0.015 - 0,001 5 to
    0,005 0    		 16,5 to 18,5 2,00 to 2,50 10,0 to 13,0 - N ≤ 0,10
    X6CrNiTiB18-10 1.4941 0,04 to 0,08 ≤ 1,00 ≤ 2,00 0.035 0.015 - 0,001 5 to
    0,005 0    		 17,0 to 19,0 - 9,0 to 12,0 - Ti: 5 x C to 0,80
    X6NiCrTiMoVB25-15- 2 1.4980 0,03 to 0,08 ≤ 1,00 1,00 to 2,00 0.025 0.015 ≤ 0,35 0,003 0 to 0,010 13,5 to 16,0 1,00 to 1,50 24,0 to 27,0 0,10 to 0,50 Ti: 1,90 to 2,30
    X7CrNiMoBNb16-16 1.4986 0,04 to 0,10 0,30 to 0,60 ≤ 1,50 0.045 0,015 b - 0,05 to 0,10 15,5 to 17,5 1,60 to 2,00 15,5 to 17,5 - Nb+Ta: 10 x C to 1,20
    Nickel alloys
    NiCr20TiAl 2.4952 0,04 to 0,10 ≤ 1,00 ≤ 1,00 0.020 0.015 1,00 to 1,80 ≤ 0,008 18,0 to 21,0 - ≥ 65 - Co ≤ 1,00, Cu ≤ 0,20
    Ti: 1,80 to 2,70
    Fe ≤ 1,50
    NiCr19Fe19Nb5Mo3 2.4668 0,02 to 0,08 ≤ 0,035 ≤ 0,035 0.015 0.015 0,30 to 0,70 0,002 to 0,006 17,0 to 21,0 2,80 to 3,30 50,00 to 55,00 - Cu ≤ 0,30 ; Co ≤ 1,00 Nb: 4,70 to 5,50
    Ti: 0,60 to 1,20
    Fe: Remaining
    NiCr15Fe7TiAl 2.4669 ≤ 0,08 ≤ 0,50 ≤ 1,00 0.020 0.015 0,40 to 1,00 - 14,0 to 17,0 - ≥ 70 - Co ≤ 1,00, Cu ≤ 0,50
    Ti: 2,25 to 2,75
    Nb+Ta: 0,70 to 1,20
    Fe: 5,0 to 9,0
    • 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.
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