(1)尺寸規(guī)格見表4-3。
表4_3銀亮鋼的尺寸規(guī)格
|
圓鋼直徑d／mm |
截面面積／mm2 |
理論質(zhì)量／(kg／lOOOm) |
圓鋼直徑d |
截面面積／mm2 |
理論質(zhì)量.／(kg／lOOOm) |
|
O 60 |
0.2827 |
2.219 |
1.50 |
1.767 |
13.87 |
|
O 63 |
O.3117 |
2.444 |
1.60 |
2.001 |
15.78 |
|
O 70 |
O.3848 |
3.024 |
1.80 |
2.545 |
19.94 |
|
0.80 |
O.5027 |
3.95 |
2 00 |
3.142 |
24.65 |
|
0 90 |
0.6362 |
4.99 |
2.20 |
3.801 |
29.83 |
|
1.00 |
0.7854 |
6.17 |
2 50 |
4.909 |
38.54 |
|
1.10 |
O.9503 |
7 46 |
2.80 |
6.158 |
48.36 |
|
1.20 |
1.131 |
8.88 |
3.00 |
7.069 |
55.50 |
|
1.40 |
1.539 |
12.08 |
3.20 |
8.042 |
63.11 |
|
3.50 |
9.621 |
75.52 |
24.O |
452.4 |
3550 |
|
4.00 |
12.57 |
98.6 |
25.0 |
490.9 |
3850 |
|
4.50 |
15.90 |
124.8 |
26.0 |
530.9 |
4170 |
|
5.00 |
19.63 |
154.2 |
28.O |
615.8 |
4830 |
|
5.50 |
23.76 |
187.2 | |||
|
6.00 |
28.27 |
221.9 |
30.0 |
706.9 |
5550 |
|
6.30 |
31.17 |
244.4 |
32.0 |
804.2 |
6310 |
|
7.O |
38.48 |
302.1 |
33.0 |
855.3 |
6710 |
|
7.5 |
44.18 |
347 |
34.O |
907.9 |
7130 |
|
8.O |
50.27 |
395 |
35.O |
962.1 |
7552 |
|
8.5 |
56.75 |
445 |
36.O |
1017.8 |
7990 |
|
9.O |
63.62 |
4919 |
38.0 |
1134 |
8900 |
|
9.5 |
70.88 |
556 |
40.O |
1257 |
9896 |
|
10.O |
78.54 |
617 |
42.O |
1385 |
10900 |
|
10.5 |
86.59 |
680 |
45.0 |
1590 |
12500 |
|
11.O |
95.03 |
746 |
48.O |
1810 |
14200 |
|
11.5 |
103.9 |
815 |
50.0 |
1963 |
15420 |
|
12.O |
113.1 |
888 |
53.0 |
2206 |
17300 |
|
13.O |
132.7 |
1040 |
55.0 |
2376 |
18600 |
|
14.0 |
153.9 |
1210 |
56.O |
2463 |
19300 |
|
15.0 |
176.7 |
1390 |
58.O |
2642 |
20700 |
|
16.0 |
201.1 |
1580 |
60.0 |
2827 |
22200 |
|
17.0 |
227.0 |
1780 |
63.0 |
3117 |
24500 |
|
18.0 |
254.5 |
2000 |
65.0 |
3318 |
26000 |
|
19.0 |
283.5 |
2230 |
68.O |
3632 |
28500 |
|
20.0 |
314.2 |
2470 |
70.O |
3848 |
30200 |
|
21.O |
346.4 |
2720 |
75.O |
4418 |
34700 |
|
22.O |
380.1 |
29s0 |
80.O |
5027 |
39500 |
注：1.銀亮鋼的交貨狀態(tài)分為：拋光(代號為P)、磨光(M)、磨拉(ML)及切削(Q)。交貨狀態(tài)應(yīng)在合同中注明，未注明者按切削或磨光狀態(tài)交貨。
2.表中的理論質(zhì)量是按密度為7.85g／cm3計算的。
(2)允許偏差見表4-4。
表4-4銀亮鋼直徑的允許偏差
|
直徑／mm |
允許偏差級別 | ||||
|
7(h7) |
8(h8) |
9(119) |
10(hlO) |
11(h11) | |
|
允許偏差 | |||||
|
0.6～1.0 |
-0.008 |
-0.010 |
-0.020 |
-0.028 |
-0.042 |
|
>1.0～3.0 |
-0.010 |
-0.014 |
-0.024 |
-0.040 |
-0.060 |
|
>3.0～6.0 |
-0.012 |
-0.018 |
-0.030 |
-0.048 |
-0.075 1 |
|
>6.0～lO |
-0.015 |
-0.022 |
-0.036 |
-0.058 |
-0.090 |
|
>lO～18 |
-0.018 |
-0.027 |
-0.043 |
-0.070 |
-0.11 |
|
>18～30 |
-0.021 |
-0.033 |
-0.052 |
-0.084 |
-0.13 |
|
>30～50 |
-0.025 |
-0.039 |
-0.062 |
-O.100 |
-0.16 |
|
>50 |
-0.030 |
-0.046 |
-0.074 |
-0.120 |
-O.19 |
注：銀亮鋼的直徑允許偏差級別應(yīng)在合同中注明。未注明者一律按ll級交貨。