牌號 |
交貨狀態(tài) | ||||||||
BK |
BKW |
BKS |
NBK | ||||||
抗拉強度(MPa) |
伸長率(%) |
抗拉強度(MPa) |
伸長率(%) |
抗拉強度(MPa) |
伸長率(%) |
抗拉強度(MPa) |
伸長率(%) |
屈服強度(MPa) | |
≥ | |||||||||
10 |
410 |
6 |
375 |
10 |
335 |
12 |
335 |
24 |
|
20 |
510 |
5 |
450 |
8 |
430 |
10 |
410 |
20 |
|
35 |
590 |
4 |
550 |
6 |
520 |
8 |
530 |
17 |
|
45 |
645 |
4 |
630 |
5 |
610 |
7 |
600 |
14 |
|
40Cr |
≥784 |
≥12 |
|
|
|
|
|
|
|
37Mn5 |
≥784 |
≥12 |
|
|
|
|
|
|
|
牌號 |
化學成分% | |||||
C |
Si |
Mn |
S |
P |
Cr | |
10 |
0.07-0.13 |
0.17-0.37 |
0.35-0.65 |
≤0.035 |
≤0.035 |
|
20 |
0.17-0.23 |
0.17-0.37 |
0.35-0.65 |
≤0.035 |
≤0.035 |
|
35 |
0.32-0.39 |
0.17-0.37 |
0.35-0.65 |
≤0.035 |
≤0.035 |
|
45 |
0.42-0.50 |
0.17-0.37 |
0.50-0.80 |
≤0.035 |
≤0.035 |
|
40Cr |
0.37-0.44 |
0.17-0.37 |
0.50-0.80 |
≤0.035 |
≤0.035 |
0.08-1.10 |
25Mn |
0.22-0.29 |
0.17-0.37 |
0.70-1.00 |
≤0.035 |
≤0.035 |
≤0.25 |
37Mn5 |
0.30-0.39 |
0.15-0.30 |
1.20-1.50 |
≤0.015 |
≤0.020 |
|
牌號 |
交貨狀態(tài) | |||||
冷加工/硬(Y) |
冷加工/軟(R) |
消除應力退火(T) | ||||
抗拉伸強度(MPa) |
伸長率(%) |
抗拉伸強度(MPa) |
伸長率(%) |
抗拉伸強度(MPa) |
伸長率(%) | |
≥ | ||||||
10 |
412 |
6 |
373 |
10 |
333 |
12 |
20 |
510 |
5 |
451 |
8 |
432 |
10 |
35 |
588 |
4 |
549 |
6 |
520 |
8 |
45 |
647 |
4 |
628 |
5 |
608 |
7 |
外徑 |
壁厚 |
單重kg/m |
外徑 |
壁厚 |
單重 |
外徑 |
壁厚 |
單重kg/m |
36 |
3 |
2.44 |
114 |
12 |
30.18 |
170 |
5 |
20.34 |
40 |
5 |
4.32 |
108 |
4 |
10.26 |
172 |
6 |
24.56 |
45 |
2.5 |
2.62 |
114 |
7 |
18.47 |
180 |
10 |
41.92 |
51 |
5.5 |
6.17 |
121 |
10.5 |
28.61 |
184 |
12 |
50.90 |
55 |
2.5 |
3.24 |
127 |
13.5 |
37.79 |
194 |
17 |
74.20 |
60 |
5 |
6.78 |
119 |
4.5 |
12.71 |
192 |
6 |
27.52 |
63 |
6.5 |
9.06 |
133 |
11.5 |
34.46 |
194 |
7 |
32.28 |
65 |
7.5 |
10.63 |
140 |
15 |
46.42 |
203 |
11.5 |
54.31 |
70 |
10 |
14.80 |
140 |
10 |
32.06 |
219 |
19.5 |
95.93 |
65 |
5 |
7.40 |
146 |
13 |
42.64 |
216 |
8 |
41.03 |
70 |
7.5 |
11.56 |
135 |
5 |
16.03 |
219 |
9.5 |
49.08 |
70 |
5 |
8.01 |
140 |
7.5 |
24.51 |
240 |
20 |
108.501 |
75 |
7.5 |
12.48 |
152 |
13.5 |
46.11 |
245 |
22.5 |
123.45 |
69 |
3 |
4.88 |
159 |
17 |
59.53 |
245 |
12.5 |
71.67 |
72 |
4.5 |
7.49 |
152 |
6 |
21.60 |
273 |
26.5 |
161.09 |
76 |
6.5 |
11.14 |
159 |
9.5 |
35.00 |
270 |
10 |
64.12 |
83 |
10 |
18.00 |
163 |
11.5 |
42.96 |
299 |
24.5 |
165.80 |
83 |
6.5 |
12.26 |
168 |
14 |
53.17 |
325 |
22.5 |
167.84 |
86 |
8 |
15.39 |
178 |
19 |
74.50 |
325 |
12.5 |
96.33 |
86 |
3 |
6.14 |
180 |
20 |
78.91 |
351 |
25.5 |
204.68 |
95 |
7.5 |
16.18 |
160 |
5 |
19.11 |
377 |
38.6 |
321.38 |
102 |
11 |
24.68 |
163 |
6.5 |
25.09 |
351 |
15.5 |
128.24 |
108 |
14 |
32.45 |
168 |
9 |
35.29 |
377 |
28.5 |
224.93 |
103 |
6.5 |
15.47 |
178 |
14 |
56.60 |
426 |
13 |
132.40 |
108 |
9 |
21.97 |
180 |
15 |
61.03 |
480 |
40 |
434.02 |
鋼種 |
力學性能 |
冷拔(軋)管 |
金切管 |
20# |
抗拉強度σbN/mm2
伸長率δ5% |
≥510 |
≥390 |
≥5 |
≥20 | ||
45# |
≥647 |
≥590 | |
≥4 |
≥4 |