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熱軋(擠、擴)鋼管 |
冷拔(軋)鋼管 | ||||||
尺寸 |
允許偏差 |
尺寸 |
允許偏差 | ||||
普通級 |
高級 |
普通級 |
高級 | ||||
公稱外徑D |
68-159 |
±1.25%D |
±1.0%D |
公稱外徑D |
10-30 |
±0.30 |
±0.02 |
>30-50 |
±0.40 |
±0.30 | |||||
>159-426 |
±1.5%D |
>50 |
±0.9%D |
±0.8%D | |||
公稱壁厚
S |
<15 |
+15%S
-12.5%S |
±12.5%S |
公稱壁厚
S |
≤3 |
±14%S |
+12.5%S
-10%S |
≥15 |
+20%S
-15%S |
>3 |
+12.5%S
-10%S |
±10%S |
牌號 |
化學成分(質量分數(shù))(%) | |||||||||
C |
Si |
Mn |
P |
S |
Ni |
Cr |
Mo |
Ti |
其它 | |
0Cr18Ni9 |
≤0.07 |
≤1.00 |
≤2.00 |
≤0.035 |
≤0.030 |
8.00-11.00 |
17.00-19.00 |
|
|
|
1Cr18Ni9 |
≤0.15 |
≤1.00 |
≤2.00 |
≤0.035 |
≤0.030 |
8.00-10.00 |
17.00-19.00 |
|
|
|
00Cr19Ni10 |
≤0.030 |
≤1.00 |
≤2.00 |
≤0.035 |
≤0.030 |
8.00-12.00 |
18.00-20.00 |
|
|
|
0Cr18Ni10Ti |
≤0.08 |
≤1.00 |
≤2.00 |
≤0.035 |
≤0.030 |
9.00-12.00 |
17.00-19.00 |
|
≥5C% |
|
0Cr18Ni11Nb |
≤0.08 |
≤1.00 |
≤2.00 |
≤0.035 |
≤0.030 |
9.00-13.00 |
17.00-19.00 |
|
|
Nb≥10C% |
0Cr17Ni12Mo2 |
≤0.08 |
≤1.00 |
≤2.00 |
≤0.035 |
≤0.030 |
10.00-14.00 |
16.00-18.50 |
2.00-3.00 |
|
|
00Cr17Ni14Mo2 |
≤0.030 |
≤1.00 |
≤2.00 |
≤0.035 |
≤0.030 |
12.00-15.00 |
16.00-18.00 |
2.00-3.00 |
|
|
0Cr18Ni12Mo2Ti |
≤0.08 |
≤1.00 |
≤2.00 |
≤0.035 |
≤0.030 |
11.00-14.00 |
16.00-19.00 |
1.80-2.50 |
5C%-0.70 |
|
1Cr18Ni12Mo2Ti |
≤0.12 |
≤1.00 |
≤2.00 |
≤0.035 |
≤0.030 |
11.00-14.00 |
16.00-19.00 |
1.80-2.50 |
5(C%-0.02)-0.80 |
|
0Cr18Ni12Mo3Ti |
≤0.08 |
≤1.00 |
≤2.00 |
≤0.035 |
≤0.030 |
11.00-14.00 |
16.00-19.00 |
2.50-3.50 |
5C%-0.70 |
|
1Cr18Ni12Mo3Ti |
≤0.12 |
≤1.00 |
≤2.00 |
≤0.035 |
≤0.030 |
11.00-14.00 |
16.00-19.00 |
2.50-3.50 |
5(C%-0.02)-0.80 |
|
1Cr18Ni9Ti |
≤0.12 |
≤1.00 |
≤2.00 |
≤0.035 |
≤0.030 |
8.00-11.00 |
17.00-19.00 |
|
5(C%-0.02)-0.80 |
|
0Cr19Ni13Mo3 |
≤0.08 |
≤1.00 |
≤2.00 |
≤0.035 |
≤0.030 |
11.00-15.00 |
18.00-20.00 |
3.00-4.00 |
|
|
00Cr19Ni13Mo3 |
≤0.030 |
≤1.00 |
≤2.00 |
≤0.035 |
≤0.030 |
11.00-15.00 |
18.00-20.00 |
3.00-4.00 |
|
|
00Cr18Ni10N |
≤0.030 |
≤1.00 |
≤2.00 |
≤0.035 |
≤0.030 |
8.50-11.50 |
17.00-19.00 |
|
|
N:0.12-0.22 |
0Cr19Ni9N |
≤0.08 |
≤1.00 |
≤2.00 |
≤0.035 |
≤0.030 |
7.00-10.50 |
18.00-20.00 |
|
|
N:0.10-0.25 |
00Cr17Ni13Mo2N |
≤0.030 |
≤1.00 |
≤2.00 |
≤0.035 |
≤0.030 |
10.50-14.50 |
16.00-18.50 |
2.00-3.00 |
|
0.12-0.22 |
0Cr17Ni12Mo2N |
≤0.08 |
≤1.00 |
≤2.00 |
≤0.035 |
≤0.030 |
10.00-14.00 |
16.00-18.00 |
2.00-3.00 |
|
0.10-0.22 |
1Cr17 |
≤0.12 |
≤0.75 |
≤1.00 |
≤0.035 |
≤0.030 |
* |
16.00-18.00 |
|
|
|
0Cr13 |
≤0.08 |
≤1.00 |
≤1.00 |
≤0.035 |
≤0.030 |
* |
11.50-13.50 |
|
|
|
1Cr13 |
≤0.15 |
≤1.00 |
≤1.00 |
≤0.035 |
≤0.030 |
* |
11.50-13.50 |
|
|
|
2Cr13 |
0.16-0.25 |
≤1.00 |
≤1.00 |
≤0.035 |
≤0.030 |
* |
12.00-14.00 |
|
|
|
00Cr18Ni5Mo3Si2 |
≤0.030 |
1.30-2.00 |
1.00-2.00 |
≤0.035 |
≤0.030 |
4.50-5.50 |
18.00-19.00 |
2.50-3.00 |
|
|
牌號 |
推薦熱處理制度 |
力學性能 |
密度/(kg/dm30) | ||
σb /Mpa |
σp0.2/Mpa |
δ5(%) | |||
不小于 | |||||
0Cr18Ni9 |
1010-1150℃,急冷 |
520 |
205 |
35 |
7.93 |
1Cr18Ni9 |
1010-1150℃,急冷 |
520 |
205 |
35 |
7.90 |
00Cr19Ni10 |
1010-1150℃,急冷 |
480 |
175 |
35 |
7.93 |
0Cr18Ni10Ti |
920-1150℃,急冷 |
520 |
205 |
35 |
7.95 |
0Cr18Ni11Nb |
980-1150℃,急冷 |
520 |
205 |
35 |
7.98 |
0Cr17Ni12Mo2 |
1010-1150℃,急冷 |
520 |
205 |
35 |
7.98 |
00Cr17Ni14Mo2 |
1010-1150℃,急冷 |
480 |
175 |
35 |
7.98 |
0Cr18Ni12Mo2Ti |
1000-1100℃,急冷 |
530 |
205 |
35 |
8.00 |
1Cr18Ni12Mo2Ti |
1000-1100℃,急冷 |
530 |
205 |
35 |
8.00 |
0Cr18Ni12Mo3Ti |
1000-1100℃,急冷 |
530 |
205 |
35 |
8.10 |
1Cr18Ni12Mo3Ti |
1000-1100℃,急冷 |
530 |
205 |
35 |
8.10 |
1Cr18Ni9Ti |
1000-1100℃,急冷 |
520 |
205 |
35 |
7.90 |
0Cr19Ni13Mo3 |
1010-1150℃,急冷 |
520 |
205 |
35 |
7.98 |
00Cr19Ni13Mo3 |
1010-1150℃,急冷 |
480 |
175 |
35 |
7.98 |
00Cr18Ni10N |
1010-1150℃,急冷 |
550 |
245 |
40 |
7.90 |
0Cr19Ni9N |
1010-1150℃,急冷 |
550 |
275 |
35 |
7.90 |
00Cr17Ni13Mo2N |
1010-1150℃,急冷 |
550 |
245 |
40 |
8.00 |
0Cr17Ni12Mo2N |
1010-1150℃,急冷 |
550 |
275 |
35 |
7.80 |
1Cr17 |
780-850℃,空冷或緩冷 |
410 |
245 |
20 |
7.70 |
0Cr13 |
800-900℃,緩冷或750℃快冷 |
370 |
180 |
22 |
7.70 |
1Cr13 |
800-900℃,緩冷 |
410 |
205 |
20 |
7.70 |
2Cr13 |
800-900℃,緩冷 |
470 |
215 |
19 |
7.70 |
00Cr18Ni5Mo3Si2 |
920-1150℃,急冷 |
590 |
390 |
20 |
7.98 |
|