BS EN 10219
Designation
Mass
Area
Moment of Inertia
Radius of
Gyration
Elastic
Modulus
Plastic
Modulus
Torsional
Constants
Superficial Area
Approx
Length
Outside Diameter
D
Thickness
T
A
l
i
Wel
Wpl
lt
Ct
Per Tonne
mm
mm
kg/m
cm
2
cm
4
cm
cm
3
cm
3
cm
4
cm
3
m
2
/m
m
2
88.9
3.0
6.36
8.1
74.8
3.04
16.8
22.1
150
33.6
0.279
157
4.0
8.38
10.7
96.3
3.0
21.7
28.9
193
43.3
0.279
119
5.0
10.3
13.2
116
2.97
26.2
35.2
233
52.4
0.279
96.7
114.3
3.5
9.6
12.2
187
3.92
32.7
43.0
374
65.5
0.359
105
5.0
13.5
17.2
257
3.87
45.0
59.8
514
89.9
0.359
74.2
6.0
16.0
20.4
300
3.83
52.5
70.4
600
105
0.359
62.4
139.7
5.0
16.6
21.2
481
4.77
68.8
90.8
961
138
0.439
60.2
6.0
19.8
25.2
564
4.73
80.8
107
1130
162
0.439
50.5
8.0
26.0
33.1
720
4.66
103
139
1440
206
0.439
38.5
10.0
32.0
40.7
862
4.60
123
169
1720
247
0.439
31.3
168.3
5.0
20.1
25.7
856
5.78
102
133
1710
203
0.529
49.7
6.0
24.0
30.6
1010
5.74
120
158
2020
240
0.529
41.6
8.0
31.6
40.3
1300
5.67
154
206
2600
308
0.529
31.6
10.0
39.0
49.7
1560
5.61
186
251
3130
372
0.529
25.6
12.5
48.0
61.2
1870
5.53
222
304
3740
444
0.529
20.8
193.7
5.0
23.3
29.6
1320
6.67
136
178
2640
273
0.609
43.0
6.0
27.8
35.4
1560
6.64
161
211
3120
322
0.609
36.0
8.0
36.6
46.7
2020
6.57
208
276
4030
416
0.609
27.3
10.0
45.3
57.7
2440
6.50
252
338
4880
504
0.609
22.1
12.5
55.9
71.2
2930
6.42
303
411
5870
606
0.609
17.9
219.1
5.0
26.4
33.6
1930
7.57
176
229
3860
352
0.688
37.9
6.0
31.5
40.2
2280
7.54
208
273
4560
417
0.688
31.7
8.0
41.6
53.1
2960
7.47
270
357
5920
540
0.688
24.0
10.0
51.6
65.7
3600
7.40
328
438
7200
657
0.688
19.4
12.5
63.7
81.1
4350
7.32
397
534
8690
793
0.688
15.7
16.0
80.1
102
5300
7.20
483
661
10600
967
0.688
12.5
244.5
5.0
29.5
37.6
2700
8.47
221
287
5400
441
0.768
33.9
6.0
35.3
45.0
3200
8.43
262
341
6400
523
0.768
28.3
8.0
46.7
59.4
4160
8.37
340
448
8320
681
0.768
21.4
10.0
57.8
73.7
5070
8.30
415
550
10200
830
0.768
17.3
12.5
71.5
91.1
6150
8.21
503
673
12300
1010
0.768
14.0
16.0
90.2
115
7530
8.10
616
837
15100
1230
0.768
11.1
273.0
5.0
33.0
42.1
3780
9.48
277
359
7560
554
0.858
30.3
6.0
39.5
50.3
4490
9.44
329
428
8970
657
0.858
25.3
8.0
52.3
66.6
5850
9.37
429
562
11700
857
0.858
19.1
10.0
64.9
82.6
7150
9.31
524
692
14300
1050
0.858
15.4
12.5
80.3
102
8700
9.22
637
849
17400
1270
0.858
12.5
16.0
101
129
10700
9.10
784
1060
21400
1570
0.858
9.86
323.9
5.0
39.3
50.1
6370
11.3
393
509
12700
787
1.02
25.4
6.0
47.0
59.9
7570
11.2
468
606
15100
935
1.02
21.3
8.0
62.3
79.4
9910
11.2
612
799
19800
1220
1.02
16.0
10.0
77.4
98.6
12200
11.1
751
986
24300
1500
1.02
12.9
12.5
96.0
122
14800
11.0
917
1210
29700
1830
1.02
10.4
16.0
121
155
18400
10.9
1140
1520
36800
2270
1.02
8.23
355.6
6.0
51.7
65.9
10100
12.4
566
733
20100
1130
1.12
19.3
8.0
68.6
87.4
13200
12.3
742
967
26400
1490
1.12
14.6
10.0
85.2
109
16200
12.2
912
1200
32400
1830
1.12
11.7
12.5
106
135
19900
12.1
1120
1470
39700
2230
1.12
9.45
16.0
134
171
24700
12.0
1390
1850
49300
2770
1.12
7.46
406.4
6.0
59.2
75.5
15100
14.2
745
962
30300
1490
1.28
16.9
8.0
78.6
100
19900
14.1
978
1270
39700
1960
1.28
12.7
10.0
97.8
125
24500
14.0
1210
1570
49000
2410
1.28
10.2
12.5
121
155
30000
13.9
1480
1940
60100
2960
1.28
8.2
16.0
154
196
37400
13.8
1840
2440
74900
3690
1.28
6.5
457.0
8.0
88.6
113
28400
15.9
1250
1610
56900
2490
1.44
11.3
10.0
110
140
35100
15.8
1540
2000
70200
3070
1.44
9.07
12.5
137
175
43100
15.7
1890
2470
86300
3780
1.44
7.30
16.0
174
222
54000
15.6
2360
3110
108000
4720
1.44
5.75
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