Zusammensetzung in % und Zunderbeständigkeit in Luft (°C)
Oţeluri feritice
Nr. material |
DIN / DIN EN |
C |
Si |
≤ Mn |
≤ P |
≤ S |
Al |
Cr |
Ni |
Temp.
oxidare |
1.4713 |
X 10 CrAl 7 |
≤ 0,12 |
0,5-1,0 |
1,0 |
0,040 |
0,030 |
0,5-1,0 |
6,0-8,0 |
– |
800 |
1.4720 |
X 7 CrTi 125) |
≤ 0,08 |
≤ 0,10 |
1,0 |
0,040 |
0,030 |
– |
10,5-12,5 |
– |
800 |
1.4724 |
X 10 CrAl 13 |
≤ 0,12 |
0,7-1,4 |
1,0 |
0,040 |
0,030 |
0,7-1,2 |
12,0-14,0 |
– |
850 |
1.4742 |
X 10 CrAl 18 |
≤ 0,12 |
0,7-1,4 |
1,0 |
0,040 |
0,030 |
0,7-1,2 |
17,0-19,0 |
– |
1000 |
1.4749 |
X 18 CrN 283) |
0,15-0,20 |
≤ 1,0 |
1,0 |
0,040 |
0,030 |
– |
24,0-29,0 |
– |
1100 |
1.4762 |
X 10 CrAl 24 |
≤ 0,12 |
0,7-1,4 |
1,0 |
0,040 |
0,030 |
1,2-1,7 |
23,0-26,0 |
– |
1150 |
Oţeluri feritice-austenitice
Nr. material |
DIN /
DIN EN |
C |
Si |
≤ Mn |
≤ P |
≤ S |
Al |
Cr |
Ni |
Temp.
oxidare |
1.4821 |
X 20 CrNiSi 25 4 |
0,10-0,20 |
0,8-1,5 |
2,0 |
0,040 |
0,030 |
– |
24,0-27,0 |
3,5-5,5 |
1100 |
Oţeluri înalt aliate austenitice
Nr. material |
DIN / DIN EN |
C |
Si |
≤ Mn |
≤ P |
≤ S |
Al |
Cr |
Ni |
Temp.
oxidare |
1.4828 |
X 15 CrNiSi 20 12 |
≤ 0,20 |
1,5-2,5 |
2,0 |
0,045 |
0,030 |
– |
19,0-21,0 |
11,0-13,0 |
1000 |
1.4841 |
X 15 CrNiSi 25 20 |
≤ 0,20 |
1,5-2,5 |
2,0 |
0,045 |
0,030 |
– |
24,0-26,0 |
19,0-22,0 |
1150 |
1.4845 |
X 12 CrNi 25 21 |
≤ 0,15 |
≤ 0,75 |
2,0 |
0,045 |
0,030 |
– |
24,0-26,0 |
19,0-22,0 |
1050 |
1.4864 |
X12NiCrSi36 1611) |
≤ 0,1 |
≤ 1,9-2,6 |
0,8-1,5 |
0,045 |
0,030 |
– |
17,0-19,0 |
33,0-37,0 |
1050 |
1.4876 |
X 10 NiCrAlTi 32 202) |
≤ 0,12 |
≤ 1,0 |
2,0 |
0,030 |
0,020 |
0,15-0,6 |
19,0-23,0 |
30,0-34,0 |
1100 |
1.4877 |
X 5 NiCrCeNb 32 284) |
≤ 0,08 |
≤ 0,3 |
1,0 |
0,015 |
0,010 |
≤ 0,025 |
26,0-28,0 |
31,0-33,0 |
1000 |
1.4878 |
X 12 CrNiTi 18 91) |
≤ 0,12 |
≤ 1,0 |
2,0 |
0,045 |
0,030 |
– |
17,0-19,0 |
9,0-12,0 |
850 |
1.4893 |
X 9 CrNiSiNCe |
≤ 0,08 |
≤ 1,7 |
1,0 |
– |
– |
– |
21 |
11 |
1150 |
Oţeluri aliate cu nichel pe bază de
Nr. material |
DIN / DIN EN |
≤ C |
≤ Si |
≤ Mn |
≤ P |
≤ S |
Al |
Cr |
Ni |
Fe |
≤ Cu |
Temp.
oxidare |
2.4816 |
NiCr 15 Fe |
0,08 |
0,50 |
1,00 |
0,015 |
0,015 |
– |
14-17 |
Rest |
6-10% |
– |
1050 |
2.4851 |
NiCr 23 Fe |
0,10 |
0,50 |
1,00 |
0,02 |
0,015 |
1-1,7 |
21-25 |
58-63 |
Rest |
1,0 |
1150 |
2.4856 |
NiCr22 Mo9Nb |
≤ 0,10 |
≤ 0,08 |
– |
0,040 |
0,020 |
– |
19-23 |
Rest |
≤ 5,0 |
15,0-17,0 |
1120 |
2.4858 |
NiCr21 Mo |
≤ 0,05 |
≤ 0,5 |
1,00 |
– |
0,030 |
≤ 0,02 |
19,5-23,5 |
38-46 |
22 min. |
2,5-3,5 |
– |
2.4610 |
NiMo16Cr16Ti |
≤ 0,015 |
≤ 0,015 |
1,00 |
0,040 |
0,030 |
– |
14-18 |
Rest |
3 |
14,0-17,0 |
1050 |
1) Titanium ≤ 4 x % C ≤ 0,80 %
2) Titanium: 0,15 bis 0,6 %
3) 0,14 bis 0,18 % N şi pământuri rare
4) Cer: 0,05 bis 0,10 %, Nb: 0,6 bis 1,0 %
5) Titanium ≥ 6 x C ≤ 1,0 %
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