不銹鋼的鋼號及化學成份 |
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鋼號 |
C |
Si |
Mn |
P≤ |
S≤ |
Cr |
Mo |
Ni |
其它 |
SUS201 |
≤0.15 |
≤1.00 |
5.5-7.5 |
0.06 |
0.03 |
16-18 |
- |
3.5-5.5 |
N≤0.25 |
202 |
≤0.15 |
≤1.00 |
7.5-10.0 |
0.06 |
0.03 |
17-19 |
- |
4.0-6.0 |
N≤0.25 |
301 |
≤0.15 |
≤1.00 |
≤2.00 |
0.045 |
0.03 |
16-18 |
- |
6.0-8.0 |
- |
302 |
≤0.15 |
≤1.00 |
≤2.00 |
0.045 |
0.03 |
17-19 |
- |
8-10.0 |
- |
303 |
≤0.15 |
≤1.00 |
≤2.00 |
0.2 |
≥0.015 |
17-19 |
≤0.6 |
8.0-10.0 |
- |
304 |
≤0.08 |
≤1.00 |
≤2.00 |
0.045 |
0.03 |
18-20 |
- |
8-1.0.5 |
- |
304L |
≤0.03 |
≤1.00 |
≤2.00 |
0.045 |
0.03 |
18-20 |
- |
9-13 |
- |
305 |
≤0.12 |
≤1.00 |
≤2.00 |
0.045 |
0.03 |
17-19 |
- |
10.5-13 |
- |
309S |
≤0.08 |
≤1.00 |
≤2.00 |
0.045 |
0.03 |
22-24 |
- |
12-15 |
- |
310S |
≤0.08 |
≤1.5 |
≤2.00 |
0.045 |
0.03 |
24-26 |
- |
19-22 |
- |
316 |
≤0.08 |
≤1.00 |
≤2.00 |
0.045 |
0.03 |
16-18 |
2-3 |
10-14 |
- |
316L |
≤0.03 |
≤1.00 |
≤2.00 |
0.045 |
0.03 |
16-18 |
2-3 |
12-15 |
- |
317 |
≤0.08 |
≤1.00 |
≤2.00 |
0.045 |
0.03 |
18-20 |
3-4 |
11-15 |
- |
317L |
≤0.03 |
≤1.00 |
≤2.00 |
0.045 |
0.03 |
18-20 |
3-4 |
11-15 |
- |
321 |
≤0.08 |
≤1.00 |
≤2.00 |
0.045 |
0.03 |
17-19 |
- |
9-13 |
Ti≥5×C |
405 |
≤0.08 |
≤1.00 |
≤1.00 |
0.04 |
0.03 |
11.5-14.5 |
- |
≤0.6 |
AL0.1-0.3 |
420F |
0.26-0.4 |
≤1.00 |
≤1.25 |
0.06 |
≥0.15 |
12-14 |
≤0.6 |
≤0.6 |
- |
430 |
≤0.12 |
≤0.75 |
≤1.00 |
0.04 |
0.03 |
16-18 |
- |
≤0.6 |
- |
2Cr25Ni20 |
承受1035℃以下反復加熱的抗氧化鋼。爐用部件、噴嘴、燃燒室 |
1Cr18Ni9Ti |
有良好的耐熱性及抗腐蝕性。作加熱爐管、燃燒室簡體，遭火爐罩 |
0Cr17Ni12Mo2 |
高溫具有優(yōu)良的蠕變強度，作熱交換用部件，高溫耐蝕類螺拴 |
0Cr25Ni20 |
比0Cr23Nil3抗氧化性好，可承受1235℃加熱。爐用材料，汽車凈化裝置用材料 |
2Cr23Ni13 |
承受980℃以下反復加熱的抗氧化鋼。加熱爐部件，重油燃燒器 |
0Cr19Ni9 |
通用耐氧化鋼，可承受870℃以下反復加熱 |
0Cr18Ni11Ti |
作在400～900℃腐蝕條件下使用的部件，高溫用焊接結構部件 |
0Cr18Ni11Nb |
作在400～900℃腐蝕條件下使用的部件，高溫用焊接結構部件 |
5Cr21Mn9Ni4N |
以經(jīng)受高溫強度為主的汽油及柴油機用排氣閥 |
Y5Cr21Mn9Ni4N |
以經(jīng)受高溫強度為主的汽油及柴油機用排氣閥 |
2Cr22Ni11N |
以抗氧化為主的汽油及柴油機用排氣閩 |