牌号 |
交货状态 | ||||||||
BK |
BKW |
BKS |
NBK | ||||||
抗拉强度(MPa) |
伸长率(%) |
抗拉强度(MPa) |
伸长率(%) |
抗拉强度(MPa) |
伸长率(%) |
抗拉强度(MPa) |
伸长率(%) |
屈服强度(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 |
|
|
|
|
|
|
|
牌号 |
化学成分% | |||||
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 |
|
牌号 |
交货状态 | |||||
冷加工/硬(Y) |
冷加工/软(R) |
消除应力退火(T) | ||||
抗拉伸强度(MPa) |
伸长率(%) |
抗拉伸强度(MPa) |
伸长率(%) |
抗拉伸强度(MPa) |
伸长率(%) | |
≥ | ||||||
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 |
外径 |
壁厚 |
单重kg/m |
外径 |
壁厚 |
单重 |
外径 |
壁厚 |
单重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 |
钢种 |
力学性能 |
冷拔(轧)管 |
金切管 |
20# |
抗拉强度σbN/mm2
伸长率δ5% |
≥510 |
≥390 |
≥5 |
≥20 | ||
45# |
≥647 |
≥590 | |
≥4 |
≥4 |
加工形式 |
缸径 |
长度 |
直线度 |
尺寸精度 |
内孔粗糙度 |
冷轧 |
30-100 |
≤12M |
0.3-1.0 |
H8-H10 |
0.4-1.6 |
冷拔 |
30-250 |
≤12M |
H8-H10 |
0.8-1.6 | |
珩磨 |
40-500 |
≤12M |
1000 |
H8-H9 |
0.4-0.8 |
滚压 |
40-400 |
≤7M |
H8 |
0.4 |
尺寸公差(壁厚偏差±5%) | |||
内径尺寸 |
H8 |
H9 |
H10 |
30 |
+0.033
0 |
+0.052
0 |
+0.084
0 |
>30-50 |
+0.039
0 |
+0.062
0 |
+0.100
0 |
>50-80 |
+0.046
0 |
+0.074
0 |
+0.120
0 |
>80-120 |
+0.054
0 |
+0.087
0 |
+0.140
0 |
>120-180 |
+0.063
0 |
+0.100
0 |
+0.160
0 |
>180-250 |
+0.072
0 |
+0.115
0 |
+0.185
0 |
>250-315 |
+0.081
0 |
+0.130
0 |
+0.210
0 |
>315-400 |
+0.089
0 |
+0.140
0 |
+0.230
0 |
规格 |
规格 |
规格 |
规格 |
规格 |
规格 |
规格 |
规格 |
8*2 |
23*3 |
30*6 |
38*2.5 |
50*2 |
58*3 |
68*3 |
78*8 |
10*2.5 |
23*4 |
32*2 |
38*3 |
50*2.5 |
58*4 |
68*4 |
80*2 |
16*2 |
24*2 |
32*2.5 |
38*3.5 |
50*3 |
58*6 |
68*6 |
80*3 |
16*2.5 |
24*3 |
32*3 |
38*4 |
50*4 |
59*2 |
70*2 |
80*4 |
16*3 |
24*4 |
32*3.5 |
38*6 |
50*6 |
59*3 |
70*3 |
80*6 |
17*2 |
25*2 |
32*4 |
40*2 |
51*2 |
59*4 |
70*4 |
80*8 |
17*2.5 |
25*3 |
32*5 |
40*3 |
51*3 |
59*6 |
70*6 |
80*12 |
17*3 |
25*4 |
32*6 |
40*4 |
51*4 |
60*2 |
72*2 |
81*2 |
18*2 |
27*2 |
34*2 |
40*5 |
52*2 |
60*3 |
72*3 |
81*4 |
18*2.5 |
27*3 |
34*2.5 |
40*6 |
52*3 |
60*4 |
72*4 |
81*6 |
18*3 |
27*4 |
34*3 |
42*2 |
52*4 |
60*6 |
72*6 |
81*8 |
19*2 |
28*2 |
34*4 |
42*3 |
52*6 |
62*2 |
75*2 |
81*12 |
19*2.5 |
28*2.5 |
34*5 |
42*4 |
53*2 |
62*3 |
75*3 |
82*4 |
19*3 |
28*3 |
34*6 |
42*6 |
53*3 |
62*4 |
75*4 |
82*6 |
19*3.5 |
28*3.5 |
35*2 |
45*2 |
53*4 |
62*6 |
75*6 |
82*8 |
20*2 |
28*4 |
35*2.5 |
45*3 |
53*6 |
64*2 |
75*8 |
82*12 |
20*2.5 |
29*2 |
35*3 |
45*4 |
55*2 |
64*3 |
76*2 |
83*4 |
20*3 |
29*3 |
35*4 |
45*6 |
55*3 |
64*4 |
76*3 |
83*6 |
21*2 |
29*4 |
35*5 |
46*2 |
55*4 |
64*6 |
76*4 |
83*8 |
21*3 |
30*2 |
35*6 |
46*3 |
55*6 |
65*2 |
76*6 |
83*12 |
21*4 |
30*2.5 |
36*2 |
46*4 |
57*2 |
65*3 |
76*8 |
85*4 |
22*2 |
30*3 |
36*2.5 |
48*2 |
57*3 |
65*4 |
78*2 |
85*6 |
22*3 |
30*4 |
36*3 |
48*3 |
57*4 |
65*6 |
78*3 |
85*8 |
22*4 |
30*5 |
36*4 |
48*4 |
57*6 |
68*2 |
78*4 |
85*12 |
23*2 |
|
38*2 |
|
58*2 |
|
78*6 |
|