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H-Beams

Rolled steel with an H-shaped cross-section. Equal thickness in the two parallel flanges with no taper on the inside surface. Classified into narrow, medium, and wide, based on the height and flange width.

Shape/Dimensions

Wide Flange Series

Classification
(Height × Flange width)		 Standard cross-section
dimensions (mm)		 Cross-sectional
area(cm3）		 Unit mass
(kg/m)
H×B t1 t2 r
100×100 *100×100

6

8

8

 21.59 16.9
125×125 125×125

6.5

9

8

 30.00 23.6
150×150 150×150

7

10

8

 39.65 31.1
175×175 175×175

7.5

11

13

 51.43 40.4
200×200 200×200
*200×204

8
12

12
12

13
13

 63.53
71.53		 49.9
56.2
250×250 *244×252
250×250
*250×255

11
9
14

11
14
14

13
13
13

 81.31
91.43
103.9		 63.8
71.8
81.6
300×300 *294×302
300×300
*300×305

12
10
15

12
15
15

13
13
13

 106.3
118.5
133.4		 83.4
93.0
105.0
350×350 *344×348
*344×354
350×350

10
16
12

16
16
19

13
13
13

 144.0
164.6
171.9		 113.0
129.0
135.0
400×400 400×400

13

21

22

 218.7 172.0
Classification
(Height × Flange width)		 Reference
Second moment
of area(cm4)		 Radius of gyration
of area(cm)		 Section
modulus(cm3)
lx ly ix iy zx zy
100×100 378 134 4.18 2.49 75.6 26.7
125×125 839 293 5.29 3.13 134.0 46.9
150×150 1,620 563 6.40 3.77 216.0 75.1
175×175 2,900 984 7.50 4.37 331.0 112.0
200×200 4,720
4,980		 1,600
1,700		 8.62
8.35		 5.02
4.88		 472.0
498.0		 160.0
167.0
250×250 8,700
10,700
11,400		 2,940
3,650
3,880		 10.30
10.80
10.50		 6.01
6.32
6.11		 713.0
860.0
912.0		 233.0
292.0
304.0
300×300 16,600
20,200
21,300		 5,510
6,750
7,100		 12.50
13.10
12.60		 7.20
7.55
7.30		 1,130.0
1,350.0
1,420.0		 365.0
450.0
466.0
350×350 32,800
34,900
39,800		 11,200
11,800
13,600		 15.10
14.60
15.20		 8.84
8.48
8.89		 1,910.0
2,030.0
2,280.0		 646.0
669.0
776.0
400×400 66,600 22,400 17.50 10.10 3,330.0 1,120.0

Medium Flange Series

Classification
(Height × Flange width)		 Standard cross-section
dimensions（mm）		 Cross-sectional
area(cm3）		 Unit mass
(kg/m)
H×B t1 t2 r
200×150 194×150

6

9

8

 38.11 29.9
250×175 244×175

7

11

13

 55.49 43.6
300×200 294×200

8

12

13

 71.05 55.8
350×250 340×250

9

14

13

 99.53 78.1
400×300 390×300

10

16

13

 133.30 105
450×300 440×300

11

18

13

 153.90 121
500×300 482×300
488×300

11
11

15
18

13
13

 141.2
159.2		 111
125
600×300 582×300
588×300
594×302

12
12
14

17
20
23

13
13
13

 169.20
187.20
217.10		 133
147
170
700×300 692×300
700×300

13
13

20
24

18
18

 207.50
231.50		 163
182
800×300 792×300
800×300

14
14

22
26

18
18

 239.50
263.50		 188
207
900×300 *890×299
900×300
*912×302

15
16
18

23
28
34

18
18
18

 266.90
305.80
360.10		 210
240
283
Classification
(Height × Flange width)		 Reference
Second moment
of area(cm4)		 Radius of gyration
of area(cm)		 Section
modulus(cm3)
lx ly ix iy zx zy
200×150 2,630 507 8.30 3.65 271 67.6
250×175 6,040 984 10.40 4.21 495 112
300×200 11,100 1,600 12.50 4.75 756 160
350×250 21,200 3,650 14.60 6.05 1,250 292
400×300 37,900 7,200 16.90 7.35 1,940 480
450×300 54,700 8,110 18.90 7.26 2,490 540
500×300 58,300
68,900		 6,760
8,110		 20.30
20.80		 6.92
7.14		 2,420
2,820		 450
540
600×300 98,900
114,000
134,000		 7,660
9,010
10,600		 24.20
24.70
24.80		 6.73
6.94
6.98		 3,400
3,890
4,500		 511
601
700
700×300 168,000
197,000		 9,020
10,800		 28.50
29.20		 6.59
6.83		 4,870
5,640		 601
721
800×300 248,000
286,000		 9,920
11,700		 32.20
33.00		 6.44
6.67		 6,270
7,160		 661
781
900×300 339,000
404,000
491,000		 10,300
12,600
15,700		 35.60
36.40
36.90		 6.20
6.43
6.59		 7,610
8,990
10,800		 687
842
1.040

Narrow Flange Series

Classification
(Height × Flange width)		 Standard cross-section
dimensions（mm）		 Cross-sectional
area(cm3）		 Unit mass
(kg/m)
H×B t1 t2 r
200×100 *198×99
200×100

4.5
5.5

7
8

8
8

 22.69
26.67		 17.8
20.9
250×125 248×124
250×125

5
6

8
9

8
8

 31.99
36.97		 25.1
29.0
300×150 298×149
300×150

5.5
6.5

8
9

13
13

 40.80
46.78		 32.0
36.7
350×175 346×174
350×175

6
7

9
11

13
13

 52.45
62.91		 41.2
49.4
400×200 396×199
400×200

7
8

11
13

13
13

 71.41
83.37		 56.1
65.4
450×200 446×199
450×200

8
9

12
14

13
13

 82.97
95.43		 65.1
74.9
500×200 496×199
500×200
*506×201

9
10
11

14
16
19

13
13
13

 99.29
112.30
129.30		 77.9
88.2
102.0
600×200 596×199
600×200
*606×201

10
11
12

15
17
20

13
13
13

 117.80
131.70
149.80		 92.5
103.0
118.0
Classification
(Height × Flange width)		 Reference
Second moment
of area(cm4)		 Radius of gyration
of area(cm)		 Section
modulus(cm3)
lx ly ix iy zx zy
200×100 1,540
1,810		 113
134		 8.25
8.23		 2.24
2.24		 156
181		 22.9
26.7
250×125 3,450
3,960		 255
294		 10.40
10.40		 2.82
2.82		 278
317		 41.1
47.0
300×150 6,320
7,210		 442
508		 12.40
12.40		 3.29
3.29		 424
481		 59.3
67.7
350×175 11,000
13,500		 791
984		 14.50
14.60		 3.88
3.96		 638
771		 91.0
112.0
400×200 19,800
23,500		 1,450
1,740		 16.60
16.80		 4.50
4.56		 999
1.170		 145.0
174.0
450×200 28,100
32,900		 1,580
1,870		 18.40
18.60		 4.36
4.43		 1,260
1,460		 159.0
187.0
500×200 40,800
46,800
55,500		 1,840
2,140
2,580		 20.30
20.40
20.70		 4.31
4.36
4.46		 1,650
1,870
2,190		 185.0
214.0
256.0
600×200 66,600
75,600
88,300		 1,980
2,270
2,720		 23.80
24.00
24.30		 4.10
4.16
4.26		 2,240
2,520
2,910		 199.0
227.0
270.0

1. When ordering, please specify actual dimensions(H×B×t1/t2×length).
2. The sizes marked * are not constantly being rolled, so please inquire when ordering.
3. Please talk to us in advance about turnaround times and specifications (bending, shot blasting, etc.).
4. Standard length is 6 m or more with 500 mm pitch up to 24 m, but for orders over 15 m,
　 please talk to us before ordering.