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| 南京結構用16mn無縫鋼管的牌號和化學成分 |
| 雙擊自動滾屏 |
發布者：www.77cx.cn 發布時間：2013/8/21 閱讀：2924次 【字體：大 中 小】 |
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組織
類型 |
序號 |
牌 號 |
化學成分(質量分數)(％) |
|
C |
Si |
Mn |
P |
S |
Ni |
C |
Mo |
其 他 |
|
奧氏
體型 |
1 |
0Cr18Ni9 |
≤0.07 |
≤1.00 |
≤2.00 |
≤0.035 |
≤0.030 |
8.00-11.00 |
17.00-19.00 |
|
|
|
2 |
1Cr18Ni9 |
≤0.15 |
≤1.00 |
≤2.00 |
≤0.035 |
≤0.030 |
8.00-10.00 |
17.00-19.00 |
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|
|
3 |
00Cr19Ni10 |
≤0.030 |
≤1.00 |
≤2.00 |
≤0.035 |
≤0.030 |
8.00-12.00 |
18.00-20.00 |
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|
|
4 |
0Cr18Ni10Ti |
≤0.08 |
≤1.00 |
≤2.00 |
≤0.035 |
≤0.030 |
9.00-12.00 |
17.00-19.00 |
|
Ti≥5C％ |
|
5 |
0Cr18Ni11Nb |
≤0.08 |
≤1.00 |
≤2.00 |
≤0.035 |
≤0.030 |
9.00-13.00 |
17.00-19.00 |
|
Nb≥10C％ |
|
6 |
0Cr17Ni12Mo2 |
≤0.08 |
≤1.00 |
≤2.00 |
≤0.035 |
≤0.030 |
10.00-14.00 |
16.00-18.50 |
2.00-3.00 |
|
|
7 |
00Cr17Ni14Mo2 |
≤0.030 |
≤1.00 |
≤2.00 |
≤0.035 |
≤0.030 |
12.00-15.00 |
16.00-18.00 |
2.00-3.00 |
|
|
8 |
0Cr18Ni12Mo2Ti |
≤0.08 |
≤1.00 |
≤2.00 |
≤0.035 |
≤0.030 |
11.00-14.00 |
16.00-19.00 |
1.80-2.50 |
Ti 5C％-0.70 |
|
9 |
1Cr18Ni12Mo2Ti |
≤0.12 |
≤1.00 |
≤2.00 |
≤0.035 |
≤0.030 |
11.00-14.00 |
16.00-19.00 |
1.80-2.50 |
Ti 5(C％-0.02)
-0.80 |
|
10 |
0Cr18Ni12Mo3Ti |
≤0.08 |
≤1.00 |
≤2.00 |
≤0.035 |
≤0.030 |
11.00-14.00 |
16.00-19.00 |
2.50-3.50 |
Ti5C％-0.70 |
|
11 |
1Cr18Ni12Mo3Ti |
≤0.12 |
≤1.00 |
≤2.00 |
≤0.035 |
≤0.030 |
11.00-14.00 |
16.00-19.00 |
2.50-3.50 |
Ti 5(C％-0.02)
-0.80 |
|
12 |
1Cr18Ni9Ti |
≤0.12 |
≤1.00 |
≤2.00 |
≤0.035 |
≤0.030 |
8.00-11.00 |
17.00-19.00 |
|
Ti 5(C％-0.02)
-0.80 |
|
13 |
0Cr19Ni13Mo3 |
≤0.08 |
≤1.00 |
≤2.00 |
≤0.035 |
≤0.030 |
11.00-15.00 |
18.00-20.00 |
3.00-4.00 |
|
|
14 |
00Cr19Ni13Mo3 |
≤0.030 |
≤1.00 |
≤2.00 |
≤0.035 |
≤0.030 |
11.00-15.00 |
18.00-20.00 |
3.00-4.00 |
|
|
鐵素
體型
馬氏
體型 |
15 |
0Cr13 |
≤0.08 |
≤0.60 |
≤0.80 |
≤0.035 |
≤0.030 |
|
12.00-14.00 |
|
|
|
16 |
1Cr17 |
≤0.12 |
≤0.75 |
≤1.00 |
≤0.035 |
≤0.D30 |
|
16.00-18.00 |
|
|
|
17 |
1Cr13 |
≤0.15 |
≤1.00 |
≤1.00 |
≤0.035 |
≤0.030 |
|
11.50-13.50 |
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18 |
2Cr13 |
0.16-0.25 |
≤1.00 |
≤1.00 |
≤0.035 |
≤0.030 |
|
12.00-14.00 |
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注：*殘余元素Ni≤0.60。 |
(2)允許偏差
結構用16mn無縫鋼管的尺寸允許偏差
|
熱軋(擠、擴)鋼管 |
冷拔(軋)鋼管 |
|
|
尺寸／mm |
允許偏差／mm |
尺寸／mm |
允許偏差／mm |
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普通級 |
較高級 |
普通級 |
較高級 |
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外徑D |
68≤D≤159 |
±1.25 |
±1 |
外徑D |
10≤D≤30 |
±0.30 |
±0.20 |
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30<D≤50 |
±0.40 |
±0.30 |
|
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159<D≤426 |
±1.5 |
|
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D>5 |
±0.9％ |
±0.8％ |
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壁厚 |
<15 |
+15
-12.5 |
±12.5 |
壁厚 |
≤3 |
±14％ |
+12％
-10％ |
|
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≥15 |
<, SPAN style="FONT-FAMILY: Arial; mso-bidi-font-size: 10.5pt; mso-font-kerning: 0pt" lang=EN-, US>+20
-15 |
>3 |
+12％
-10％ |
±10％ |
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注：供機械加工用鋼管應在合同中注明，根據需方要求，經供需雙方協議，可規定機械加工余量。
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