1)尺寸規格見表6_84。
|
外徑／mm |
壁 厚／mm | ||||||||
|
1 |
1.5 |
2 |
2.5 |
3 |
3.5 |
4 |
5 |
6 | |
|
理論質量／(kg／m) | |||||||||
|
10 |
0.222 |
0.314 |
0.395 |
|
|
|
|
|
|
|
14 |
O.321 |
0.462 |
O.592 |
O.709 |
|
|
|
|
|
|
18 |
|
|
0.789 |
0.956 |
|
|
|
|
|
|
19 |
|
|
0.838 |
1.02 |
|
|
|
|
|
|
25 |
|
|
1.13 |
1.39 |
1.63 |
|
|
|
|
|
32 |
|
|
|
1.82 |
2.15 |
2.46 |
2.76 |
|
|
|
38 |
|
|
|
|
2.59 |
2.98 |
3.35 |
|
|
|
鑄鐵/DIV> |
|
|
|
|
3.11 |
3.58 |
4.04 |
4.93 |
|
|
57 |
|
|
|
|
|
|
5.23 |
6.41 |
7.55 |
|
60 |
|
|
|
|
|
|
5.52 |
6.78 |
7.99 |
|
外徑／mm |
壁 厚／mm | |||||||
|
6 |
8 |
10 |
12 |
14 |
16 |
18 |
鑄鐵/DIV> | |
|
理論質量／(kg／m) | ||||||||
|
60 |
7.99 |
lO.26 |
12.33 |
|
|
|
|
|
|
83 |
11.39 |
14.80 |
18.00 |
21.O1 |
|
|
|
|
|
89 |
12.28 |
15.98 |
19.48 |
22.79 |
|
|
|
|
|
102 |
14.20 |
18.54 |
22.69 |
26.63 |
|
|
|
|
|
114 |
15.98 |
20.9l |
25.65 |
30.18 |
34.52 |
38.67 |
|
|
|
127 |
17.90 |
23.48 |
28.85 |
34.03 |
39.01 |
43.80 |
|
|
|
14l |
19.97 |
26.24 |
32.30 |
38.17 |
43.85 |
49.32 |
|
|
|
152 |
21.60 |
28.41 |
35.02 |
41.43 |
47.64 |
53.66 |
|
|
|
159 |
22.64 |
29.79 |
36.74 |
43.50 |
50.06 |
56.42 |
|
|
|
168 |
23.97 |
31.56 |
38.96 |
46.16 |
53.17 |
59.97 |
|
|
|
219 |
31.52 |
41.63 |
51.54 |
61.62 |
70.77 |
80.10 |
|
|
|
273 |
|
|
|
77.24 |
89.42 |
101.40 |
113.19 |
124.78 |
|
種 類 |
尺 寸／mm |
允許偏差／mm |
長度及允許偏差／m | |
|
熱軋(擴)管 |
外徑 |
≤159
>159 |
±1.00％
±1.25％ |
4～12±O.02 |
|
壁厚 |
≤20
>20 |
±12.5％
±10.0％ | ||
|
冷拔(軋)管 |
外徑 |
≤30
30～50
>50 |
±O.20％
±0.30％
±O.08％ |
3～10.5±O.02 |
|
壁厚 |
≤3
>3 |
+12 ％
-lO％
±lO％ | ||
|
鋼類 |
牌 號 |
化學成分(質量分數)(％) | ||||||||
|
C |
Mn |
Si |
Cr |
Mo |
Ni |
Nb+Ta |
S |
P | ||
|
≤ | ||||||||||
|
優質碳素鋼 |
10 |
0.07～
O.14 |
O.35～
0.65 |
O.17～
0.37 |
≤0.15 |
|
≤0.25 |
|
O.035 |
0.035 |
|
20 |
O.17～
0.24 |
O.35～
0.65 |
O.17～
0.37 |
≤O.15 |
|
≤O.25 |
|
0.035 |
O.035 | |
|
合金鋼 |
12QM0 |
0.08～
0.15 |
0.40～
O.70 |
O.17～
O.37 |
0.40～
O.70 |
0.40～
O.55 |
≤O.30 |
|
O.035 |
0.035 |
|
15CrM0 |
O.12～
0.18 |
0.40～
O.70 |
0.17～
0.37 |
O.80～
1.10 |
O.40～
O.55 |
≤0.30 |
|
O.035 |
0.035 | |
|
耐熱鋼 |
1Cr2M0 |
≤0.15 |
O.30～
O.60 |
0.50～
1.00 |
2.15～
2.85 |
O.鑄鐵
0.65 |
|
|
0.030 |
O.035 |
|
1Cr5M0 |
≤O.15 |
≤0.60 |
≤0.50 |
4.oo～
6.00 |
O.鑄鐵
0.60 |
≤O.60 |
|
O.030 |
0.035 | |
|
1Crl9Ni9 |
O.04
～
0.10 |
≤2.00 |
≤1.00 |
18.00
20.00 |
|
8.00～11.00 |
|
0.030 |
0.035 | |
|
1Crl9NillNb |
O.04
～O.10 |
≤2.00 |
≤1.00 |
17.00
20.oo |
|
9.00～
13.00 |
≤8C％
1.00％ |
0.030 |
0.035 | |