方钢、扁钢尺寸规格

(1)尺寸规格见表6—40-表6—45。

表6-40冷拔无缝方形钢管的尺寸规格

基本尺寸 A

mm

O.8

12

1.0 1.0

0.503

14

O.712

1.5 1.O

16

1.5 1.O

18

1.5 2.O 1.0 1.5

20

2.0 2.5 1

22

1.5 2

1.37 1.64 O.823 1.19 1.53

1.08 1.29 O.646 O.936 1.20

O.763 O.874 O.612 0.850 1.05

O.763 O.874 O.556 O.773 O.953

O.832 0.663 0.952 1.21 O.743 1.07

0.653 O.521 0.747 O.952 0.583 O.841

O.300 O.324 O.442 0.535 O.453 0.624

O.374 O.360 O.491 0.595 0 453 O.624

O.583

O.458

O.222

O.278

O.559

O.192

0.274

O.394

0.144

O.206

0 423

0.332

O.0873

O.146

O.348

O.273

O.0739

O.123

S

截面面积F／cm2

理论质量G／(kg／m)

惯性矩Jx=Jy／cm4 截面系数Wx=Wy／cm3

2.5

25

3 2.5 3

30

3.5 4 2.5

32

3 3.5

32

4 2.5 3

35

3.5 4 5 2.5 3

36

3.5 4 5 2.5 3 3.5

40

4 5 6 2.5

42

3

2.14 2.49 2.64 3.01 3.50 3.89 2.84 3.33 3 78 4.21 3.14 3.69 4.20 4.68 5.58 3.24 3.81 4.3_4 4.85 5.75 3.64 4.29 4.90 5.49 6.58 7.55 3.84 4.53

1.68 1.95 2.08 2.42 2.75 3.05 2.23 2.61 2.97 3.30 2.47 2.89 3.30 3.68 4.38 2.55 2.99 3.4l 3.8l 4.53 2.86 3.37 3.85 4.3l 5.16 5.93 3.02 3.55

1.86 2.08 3.41 3.86 4.25 4.58 4.21 4.79 5.29 5.73 5.54 6.45 7.16 7.78 8.79 6.18 7.07 7.87 8.56 9.70 8.68 9.98 11.16 12.21 13.98 15.34 10.15 11.70

1.49 1.57 2.27 2.58 2.83 3.05 2.63 3.00 3.31 3.58 3.22 3.68 4.09 4.45 5.02 3.43 3.93 4.37 4.76 5.39 4.34 4.99 5.58 6.1l 6.99 7.67 4.83 5.57

4 5 6 3.5

45

4 5 6

45

7 8 4 5

50

6 7 8 4 5

55

6 7 8 4 5

60

6 7 8 4 5

65

6 7

5.81 6.98 8.03 5.60 6.23 7.58 8.75 9.81 10.8 7.09 8.58 9.95 11.21 12.35 7.89 9.58 11.15 12.51 13.95 8.69 10.58 12.35 14.0l 15.55 9.49 11.58 13.55 15.41

4.56 5.48 6.30 4.40 4.94 5.95 6.87 7.80 8.44 5.56 6.73 7.8l 8.80 9.70 6.19 7.52 8.75 9.90 10.95 6.82 8.30 9.69 11.00 12.21 7.45 9.07 10.64 12.10

14.37 16.56 18.22 16.43 18.07 20.90 23.19 24.97 26.30 25.56 29.81 33.35 36.23 38.51 34.87 40.95 46.13 50.47 54.04 46.21 54.57 61.82 68.03 73.28 59.78 70.92 80.72 89.27

6.84 7.87 8.58 7.30 8.03 9.29 lO.31 11.10 11.59 10.22 11.93 13.34 14.49 15.41 12.58 14.89 16.77 18.35 19.65 15.4 18.19 20.61 22.68 24.43 18.39 21.82 24.84 27.46

4

70

5 6 7

70

8 4 5

75

6 7 8 4 5

80

6 7 8 5 6

7 8 5 6

100

7 8 7

110

8 9

10.29 12.58 14.7 16.81 18.75 11.09 13.58 15.95 18 21 20.35 11.89 14.58 17.15 19.61 21.95 16.98 20.03 22.97 25.79 18.58 21.95 25.21 28.35 28.01 31.55 34.98

8.08 9.87 11.58 13.19 14.72 8.70 10.66 12.52 14.29 15.98 9.33 11.44 13.46 15.39 17.23 13.33 15.72 18.03 20.25 14.58 17.23 19.79 22.26 21.99 24.77 27.46

75.78 90.26 103.1 114.5 124.5 94.4 112.8 129.4 144.2 157.3 115.9 138.9 159.7 178.5 195.4 217.1 251.1 282.3 310.9 282.8 328.2 370.2 408.9 503.4 557.9 608.4

21.65 25.79 29.47 32.72 35.57 25.17 30.08 34.50 38.44 41.94 28.96 34.72 39.93 44.63 48.85 47.19 54.59 61.38 67.58 56.57 65.54 74.04 81.78 91.54 101.4 11O.6

注：理论质量计算

G=0.0157S(A+A一2.8584S)

式中 G——每米钢管的质量(kg／m)； A——方形钢管的边长(mm)； S——方形钢管的公称壁厚(mm).

以钢管R=1.5S时，钢的密度为7.85g／cm3的计算公式。

表6-41冷拔无缝矩形钢管的尺寸规格

基本尺寸

截面面积F 理论质量G

A

B mm

0.8

lO

5

l 0.8

5

l

12

O.8

6

l 0.8

6

1 1.5

14

7

0.8 l 1.5

10

O.8

O.303 0.283 0.343 O.471 0.299 O.363 O.501 O.347

0.238 O.223 O.269 O.370 O.235 0.285 O.394 O.273

0.0157 0.0160 O.0182 O.0215 0.0233 O.0268 0.0324 O.0545

0.0509 0.0654 0.0767 O.0973 O.0724 O.0852 0.109 O.0934

O.0524 0.0535 O.0608 O.0715 O.0665 0.0765 O.0927 O.109

O.0849 O.0935 O.110 O.139 O.104 O.122 0.156 0.133

O.251

0.197

0.0139

O.0438

O.0462

0.0730

0.283

0.222

0.0099

O.0449

O.0395

O.0748

O.243 0.235

O.191 0.185

O.0082 O.0088

O.0270 O.0388

0.0329 O.0354

0.0547 O，0646

O.203

O.160

O.0074

S

／cm2

／(kg／m)

cm4

O.0239

0.0297

cm3

0.0478

Jx

Jy

Wx

wy

惯性矩

截面系数

1.5 2 0.8 1

15

6

1.5 2

0.591 0.73l O.299 O.363 O.501 O.611 O.347

0.464 0.574 O.235 O.285 O.394 O.480 0.273 0.332 O.464 0.574 O.323 0.395 0.559 O.700 0.310 O.379 O.535 0.668 0.323 O.395 O.559 0.700 0.373 O.458 0.653 O.825

0.0818 0.0925 0.0171 0.0195 O.0230 O.0240 0.0362 0.042l O.0525 0.0579 O.0941 O.112 0.147 O.170 0.0532 O.0624 O.0796 O.0897 O.0680 0.0802 O.1037 O.119 O.149 O.178 O.239 O.283

O.144 O.167 0.0784 O.0922 O.118 0.133 0.111 0.132 O.173 O.200 0.148 0.177 O.236 0.279 O.162 O.194 0.258 O.304 0.174 0.208 O.278 0.329 0.222 O.266 O.360 0.432

O.164 O.185 O.0571 O.0651 O.0768 O.0799 O.0905 0.105 O.131 O.145 0.157 0.186 O.244 0.284 0.118 0.139 O.177 O.199 0.136 O.161 0.207 0.237 0.213 O.255 O.341 0.404

O.206 O.238 0.105 O.123 O.157 0.177 O.139 O.165 O.216 0.250 O.186 O.222 O.295 0.349 0.180 O.215 O.287 0.337 0.194 O.23l 0.309 O.366 O.246 O.296 O.400 O.480

O.8

O.423

8

l1.5

0.59l

2

O.731

16

0.8 1

12

1.5 2 0.8 1

9

1.5 2 O.2 1

18

10

1.5 2 O.8 l

14

1.5 2

0.83l 1.051 0.711 0.89l 0.475 0.583 O.681 0.851 0.411 O.503 O.711 O.89l O.395 O.483 O.411 0.503