收藏词条 编辑词条 不锈钢热轧等边角钢(GB/T4227～1984)
(1)尺寸规格见表1。
表1 不锈钢热轧等边角钢的尺寸规格
截面惯性矩I＝ai2，截面惯性半径i＝I/a，截面模数Z＝I/e，a为截面面积
|
标准截面尺寸/mm |
理论质量/(kg/m) |
参考数值 |
|||||||||||||||||
|
A×B |
t |
r1 |
r2 |
截面 面积 /cm2 |
1Cr18Ni9 OCr19Ni9 00Cr19Ni11 OCr18Ni11Ti |
0Cr17Ni12 M0200Cr 17Ni14M02 Ocr18Ni1Nb |
1Cr17 |
重心位置 /cm |
截面惯性矩/cm4 |
截面惯性半径/cm |
截面模数 /cm³ |
||||||||
|
CX |
Cy |
Ix |
Iy |
最大Iu |
最小Iv |
ix |
iy |
最大iu |
最小iv |
Zx |
Zy |
||||||||
|
20×20 |
3 |
4 |
2 |
1.127 |
0.894 |
O.899 |
O.868 |
0.60 |
0.60 |
O.39 |
0.39 |
O.61 |
O.16 |
O.59 |
0.59 |
0.74 |
O.38 |
O.28 |
0.28 |
|
25×25 |
3 |
4 |
2 |
1.427 |
1.13 |
1.14 |
1.10 |
O.72 |
O.72 |
O.80 |
O.80 |
1.26 |
O.33 |
O.75 |
O.75 |
0.94 |
O.48 |
O.45 |
O.45 |
|
25×25 |
4 |
4 |
3 |
1～836 |
1.46 |
1.47 |
1.41 |
O.79 |
0.79 |
O.98 |
O.98 |
1.55 |
O.42 |
O.73 |
O.73 |
0.92 |
0.48 |
O.57 |
O.57 |
|
30×30 |
3 |
4 |
2 |
1.727 |
1.37 |
1.38 |
1.33 |
O.84 |
O.84 |
1.42 |
1.42 |
2.26 |
O.59 |
O.91 |
0.91 |
1.14 |
O.58 |
O.66 |
0.66 |
|
30×30 |
4 |
4 |
3 |
2.236 |
1.77 |
1.78 |
1.72 |
O.88 |
O.88 |
1.77 |
1.77 |
2.81 |
O.74 |
O.89 |
O.89 |
1.12 |
O.57 |
O.84 |
O.84 |
|
30×30 |
5 |
4 |
3 |
2.746 |
2.18 |
2.19 |
2.11 |
O.92 |
O.92 |
2.14 |
2.14 |
3.37 |
O.91 |
O.88 |
O.88 |
1.11 |
O.57 |
1.03 |
1.03 |
|
30×30 |
6 |
4 |
4 |
3.206 |
2.54 |
2.56 |
2.47 |
0.94 |
0.94 |
2.41 |
2.41 |
3.79 |
1.04 |
0.87 |
0.87 |
1.09 |
O.57 |
1.17 |
1.17 |
|
40×40 |
3 |
4.5 |
2 |
2.336 |
1.85 |
1.86 |
1.80 |
1.09 |
1.09 |
3.53 |
3.53 |
5.60 |
1.46 |
1.23 |
1.23 |
1.55 |
O.79 |
1.21 |
1.21 |
|
40×40 |
4 |
4.5 |
3 |
3.045 |
2.45 |
2.46 |
2.38 |
1.12 |
1.12 |
4.46 |
4.46 |
7.09 |
1.84 |
1.21 |
1.21 |
1.53 |
O.78 |
1.55 |
1.55 |
|
40×40 |
5 |
4.5 |
3 |
3.755 |
2.98 |
3.00 |
2.89 |
1.17 |
1.17 |
5 42 |
5.42 |
8.59 |
2.25 |
1.20 |
1.20 |
1.51 |
O.77 |
1.91 |
1.91 |
|
40×40 |
6 |
4.5 |
4 |
4.415 |
3.61 |
3.63 |
3.51 |
1.20 |
1.20 |
6.19 |
6.19 |
9.79 |
2.58 |
1.18 |
1.18 |
1.49 |
O.76 |
2.21 |
2.21 |
|
50×50 |
4 |
6.5 |
3 |
3.892 |
3.09 |
3.11 |
3.00 |
1.37 |
1.37 |
9.06 |
9.06 |
14.4 |
3.76 |
1.53 |
1.53 |
1.92 |
O.98 |
2.49 |
2.49 |
|
50×50 |
5 |
6.5 |
3 |
4.802 |
3.81 |
3.83 |
3.70 |
1.41 |
1.41 |
11.1 |
11.1 |
17.5 |
4.58 |
1.52 |
1.52 |
1.91 |
O.98 |
3.08 |
3.08 |
|
50×50 |
6 |
6.5 |
4.5 |
5.644 |
4.48 |
4.50 |
4.35 |
1.44 |
1.44 |
12.6 |
12.6 |
20.0 |
5.20 |
1.50 |
1.50 |
1.88 |
O.96 |
3.55 |
3.55 |
|
60x60 |
5 |
6.5 |
3 |
5.802 |
4.60 |
4.63 |
4.47 |
1.66 |
1.66 |
19.6 |
19.6 |
31.2 |
8.08 |
1.84 |
1.84 |
2.32 |
1.18 |
4.52 |
4.52 |
|
60×60 |
6 |
6.5 |
4 |
6～862 |
5.44 |
5.48 |
5.28 |
1.69 |
1.69 |
22.8 |
22.8 |
36.1 |
9.40 |
1.82 |
1.82 |
2.29 |
1.17 |
5.29 |
5.29 |
|
65×65 |
5 |
8.5 |
3 |
6.367 |
5.05 |
5.08 |
4.90 |
1.77 |
1.77 |
25.3 |
25.3 |
40.1 |
10.5 |
1.99 |
1.99 |
2.51 |
1.28 |
5.35 |
5.35 |
|
65×65 |
6 |
8.5 |
4 |
7.527 |
5.97 |
6.01 |
5.80 |
1_81 |
1.81 |
29.4 |
29.4 |
46.9 |
12.2 |
1.98 |
1.98 |
2.49 |
1.27 |
6.26 |
6.26 |
|
65×65 |
7 |
8.5 |
5 |
8.658 |
6.87 |
6.91 |
6.67 |
1.84 |
1.84 |
32.8 |
32.8 |
51.6 |
13.7 |
1.95 |
1.95 |
2.45 |
1.26 |
7.04 |
7.04 |
|
65×65 |
8 |
8.5 |
6 |
9.761 |
7.74 |
7.79 |
7.52 |
1.88 |
1.88 |
36.8 |
36.8 |
58.3 |
15.3 |
1.94 |
1.94 |
2.44 |
1.25 |
7.96 |
7.96 |
|
70×70 |
6 |
8.5 |
4 |
8.127 |
6.44 |
6.49 |
6.26 |
1.93 |
1.93 |
37.1 |
37.1 |
58.9 |
15.3 |
2.14 |
2.14 |
2.69 |
1.37 |
7.33 |
7.33 |
|
70×70 |
7 |
8.5 |
5 |
9.358 |
7.42 |
7.47 |
7.21 |
1.97 |
1.97 |
41.5 |
41.5 |
65.7 |
17.3 |
2.11 |
2.11 |
2.65 |
1.36 |
8.25 |
8.25 |
|
70×70 |
8 |
8.5 |
6 |
1O.56 |
8.37 |
8.43 |
8.13 |
2.01 |
2.01 |
46.6 |
46.6 |
74.0 |
19.3 |
2.10 |
2.10 |
2.65 |
1.35 |
9.34 |
9.34 |
|
75×75 |
6 |
8.5 |
4 |
8.727 |
6.92 |
6.96 |
6.72 |
2.06 |
2.06 |
46.1 |
46.1 |
73.2 |
19.0 |
2.30 |
2.30 |
2.90 |
1.48 |
8.47 |
8.47 |
|
75×75 |
7 |
8.5 |
5 |
1O.06 |
7.98 |
8.03 |
7,75 |
2,09 |
2.09 |
51.7 |
51.7 |
81.9 |
21.5 |
2.27 |
2.27 |
2.85 |
1.46 |
9.56 |
9.56 |
|
75×75 |
8 |
8.5 |
6 |
11.36 |
9.01 |
9.07 |
8.75 |
2.13 |
2.13 |
58.1 |
58.1 |
92.2 |
23.9 |
2.26 |
2.26 |
2.85 |
1.45 |
1O.8 |
1O.8 |
|
75×75 |
9 |
8.5 |
6 |
12.69 |
10.1 |
1O.1 |
9.77 |
2.17 |
2.17 |
64.4 |
64.4 |
102 |
26.7 |
2.25 |
2.25 |
2.84 |
1.45 |
12.1 |
12.1 |
|
80×80 |
6 |
8.5 |
4 |
9.327 |
7.40 |
7.44 |
7.18 |
2.18 |
2.18 |
56.4 |
56.4 |
89.6 |
23.2 |
2.46 |
2.46 |
3.10 |
1.58 |
9.70 |
9.70 |
|
80×80 |
7 |
8.5 |
5 |
10.76 |
8.53 |
8.59 |
8.29 |
2.22 |
2.22 |
62.7 |
62.7 |
102 |
23.3 |
2.41 |
2.41 |
3.07 |
1.47 |
10.8 |
10.8 |
|
80×80 |
8 |
8.5 |
6 |
12.16 |
9.64 |
9.70 |
9.36 |
2.25 |
2.25 |
71.2 |
71.2 |
113 |
29.3 |
2.42 |
2.42 |
3.05 |
1.55 |
12.4 |
12.4 |
|
80×80 |
9 |
8.5 |
6 |
13.59 |
10.8 |
10.8 |
10.5 |
2.30 |
2.30 |
79.2 |
79.2 |
126 |
32.7 |
2.41 |
2.41 |
3.04 |
1.55 |
13.9 |
13.9 |
|
90×90 |
8 |
10 |
6 |
13.82 |
11.O |
11.O |
10.9 |
2.50 |
2.50 |
102 |
102 |
165 |
39.7 |
2.72 |
2.72 |
3.46 |
1.69 |
15.7 |
15.7 |
|
90×90 |
9 |
10 |
6 |
15.45 |
12.3 |
12.3 |
11.6 |
2.54 |
2.54 |
114 |
114 |
183 |
44.4 |
2.72 |
2.72 |
3.44 |
1，70 |
17.6 |
17.6 |
|
90×90 |
1O |
10 |
7 |
17.00 |
13.5 |
13.6 |
13.1 |
2.57 |
2.57 |
125 |
125 |
199 |
51.7 |
2.71 |
2.71 |
3.42 |
1.74 |
19.5 |
19.5 |
|
100×100 |
8 |
10 |
6 |
15.42 |
12.2 |
12.3 |
11.9 |
2.75 |
2.75 |
145 |
145 |
230 |
59.3 |
3.07 |
3.07 |
3.86 |
1.96 |
20.O |
20.0 |
|
100×100 |
9 |
10 |
6 |
17.25 |
13.7 |
13.8 |
13.3 |
2.79 |
2.79 |
160 |
160 |
255 |
65.3 |
3.04 |
3.04 |
3.85 |
1.95 |
22.2 |
22.2 |
|
100×100 |
10 |
10 |
7 |
19.00 |
15.1 |
15.2 |
14.6 |
2.82 |
2.82 |
175 |
175 |
278 |
72.O |
3.05 |
3.05 |
3.83 |
1.95 |
24.4 |
24.4 |
(2)允许偏差见表2。
表2 不锈钢热轧等边角钢的尺寸允许偏差
|
边 A×B /mm |
边 允许偏差 /mm |
厚 度t/mm |
|||||||
|
3 |
4 |
5 |
6 |
7 |
8 |
9 |
10 |
||
|
厚度允许偏差/mm |
|||||||||
|
20×20 |
±1.5 |
±0.4 |
|
|
|
|
|
|
|
|
25×25 |
士1.5 |
士O.5 |
±O.5 |
|
|
|
|
|
|
|
30×30 |
士2.O |
士O.5 |
±O.5 |
±O.5 |
±0.5 |
|
|
|
|
|
40×40 |
士2.O |
士O.6 |
±O.6 |
±0.6 |
士O.6 |
|
|
|
|
|
50×50 |
士2.O |
|
±O.6 |
±O.6 |
±O.6 |
|
|
|
|
|
60×60 |
±3.0 |
|
|
±0.6 |
士0.6 |
|
|
|
|
|
65×65 |
±3.O |
|
|
±0.6 |
±O.6 |
±O.7 |
±O.7 |
|
|
|
70×70 |
土3.O |
|
|
|
土O.7 |
±O.7 |
士O.7 |
|
|
|
75×75 |
士3.0 |
|
|
|
±O.7 |
±O.7 |
±0.7 |
±0.7 |
|
|
80×80 |
±3.O |
|
|
|
士O.7 |
±0.7 |
±O.7 |
±0.7 |
|
|
90×90 |
±3.O |
|
|
|
|
|
士0.7 |
±0.7 |
±O.8 |
|
100×100 |
土4.O |
|
|
|
|
|
±0.7 |
士O.7 |
±O.8 |
(3)牌号和化学成分见表3
表3 不锈钢热轧等边角钢的牌号和化学成分
|
类型 |
牌 号 |
热处理制度固溶处理 |
化学成分(质量分数)(%) |
||||||||
|
C |
Si |
Mn |
P |
S |
Ni |
Cr |
M0 |
其他 |
|||
|
奥氏体型钢 |
1Cr18Ni9 |
1010～1150℃ 快冷 |
<0.15 |
<1.oo |
<2.00 |
|
<0.030 |
8.00～10.00 |
17.00～9.00 |
||
|
OCr19Ni9 |
1010～1150℃ 快冷 |
|
<1.00 |
<2.00 |
|
<0.030 |
8.00～10.50 |
18.00～20.00 |
|||
|
00Cr19Ni11 |
101O～1150℃ 快冷 |
<0.030 |
<1.00 |
<2.00 |
|
|
9.00～13.00 |
18.00～20.00 |
|||
|
OCr17Ni12M02 |
1010～1150℃ 快冷 |
|
<1.00 |
<2.00 |
<0.035 |
<0.030 |
10.00～14.00 |
16.00～18.00 |
2.00～3.00 |
||
|
00Cr17 Ni14Mo2 |
1010～1150℃快冷 |
|
<1.00 |
<2.00 |
<0.035 |
|
12.00～15.00 |
16.00～18.00 |
2.00～3.00 |
Ti5×C%以上 |
|
|
OCr18Ni11Ti |
920～1150℃快冷 |
<0.08 |
<1.00 |
<2.00 |
<0.035 |
|
9.00～13.00 |
17.00～19.00 |
|||
|
0Cr18Ni11Nb |
980～1150℃快冷 |
|
<1.00 |
<2.00 |
|
|
9.00～ 13.00 |
17.00～19.00 |
Nb1O×C%以上 |
||
|
铁素 体型 钢 |
1Cr17 |
退火，780～850℃空冷或缓冷 |
≤0.12 |
≤O.75 |
≤1.00 |
≤O.035 |
≤O.030 |
16.00～18.00 |
|||
注：OCr18Ni11Ti和Ocr18Ni11Nb可按用户要求作稳定化处理，其温度为850～930℃。
(4)力学性能见表4
表4 不锈钢热轧等边角钢的力学性能
|
牌 号 |
热处理制度 |
力学性能≥ |
硬 度≤ |
||||
|
固溶处理 |
ó0 .2/MPa |
óB/MPa |
δ5(％) |
HBS |
HRB |
HV |
|
|
1Cr18Ni9 |
101O～1150℃快冷 |
206 |
520 |
40 |
187 |
90 |
200 |
|
OCr19Ni9 |
1010～1150℃快冷 |
206 |
520 |
40 |
187 |
90 |
200 |
|
00Cr19Ni11 |
1010～1150℃快冷 |
177 |
481 |
40 |
187 |
90 |
200 |
|
0Cr17Ni12Mo2 |
1010～1150℃快冷 |
206 |
520 |
40 |
187 |
90 |
200 |
|
00Cr17Ni14M02 |
1010～1150℃快冷 |
177 |
481 |
40 |
187 |
90 |
200 |
|
OCr18Ni11Ti |
920～1150℃快冷 |
206 |
520 |
40 |
187 |
90 |
200 |
|
OCr18Ni11Nb |
980～1150℃快冷 |
206 |
520 |
40 |
187 |
90 |
200 |
|
1Cr17 |
退火：780～850℃空冷或缓冷 |
206 |
450 |
22 |
183 |
88 |
200 |