H-Beams
Named for their distinctive H-shaped cross-section, H-beams are essential structural steel components used in large-scale constructions like buildings, factories, stadiums, and shopping malls. They also play a vital role in supporting these structures through deep foundation piles.
Shape/Dimensions Specifications
Wide Flange Series
| Classification (Height × Flange Width) | Standard Cross-Section Dimensions (mm) | Cross-Sectional Area (cm²） | Unit Mass (kg/m) | Reference | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Second Moment of Area(cm⁴) | Radius of Gyration (cm) |
Section Modulus (cm³) |
||||||||||
| H×B | t1 | t2 | r | lx | ly | ix | iy | zx | zy | |||
| 150×150 | 150×150 | 7 | 10 | 8 | 39.65 | 31.1 | 1,620 | 563 | 6.40 | 3.77 | 216 | 75.1 |
| 175×175 | 175×175 | 7.5 | 11 | 13 | 51.43 | 40.4 | 2,900 | 984 | 7.50 | 4.37 | 331 | 112 |
| 200×200 | 200×200 | 8 | 12 | 13 | 63.53 | 49.9 | 4,720 | 1,600 | 8.62 | 5.02 | 472 | 160 |
| 250×250 | 250×250 | 9 | 14 | 13 | 91.43 | 71.8 | 10,700 | 3,650 | 10.8 | 6.32 | 860 | 292 |
| 300×300 | 300×300 | 10 | 15 | 13 | 118.5 | 93.0 | 20,200 | 6,750 | 13.1 | 7.55 | 1,350 | 450 |
| 350×350 | 350×350 | 12 | 19 | 13 | 171.9 | 135 | 39,800 | 13,600 | 15.2 | 8.89 | 2,280 | 776 |
| 400×400 | 400×400 | 13 | 21 | 22 | 218.7 | 172 | 66,600 | 22,400 | 17.5 | 10.1 | 3,330 | 1,120 |
Medium Flange Series
| Classification (Height × Flange Width) | Standard Cross-Section Dimensions (mm) | Cross-Sectional Area (cm²) |
Unit Mass (kg/m) |
Reference | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Second Moment of Area(cm⁴) | Radius of Gyration (cm) |
Section Modulus (cm³) |
||||||||||
| H×B | t1 | t2 | r | lx | ly | ix | iy | zx | zy | |||
| 200×150 | 194×150 | 6 | 9 | 8 | 38.11 | 29.9 | 2,630 | 507 | 8.30 | 3.65 | 271 | 67.6 |
| 250×175 | 244×175 | 7 | 11 | 13 | 55.49 | 43.6 | 6,040 | 984 | 10.4 | 4.21 | 495 | 112 |
| 300×200 | 294×200 | 8 | 12 | 13 | 71.05 | 55.8 | 11,100 | 1,600 | 12.5 | 4.75 | 756 | 160 |
| 350×250 | 340×250 | 9 | 14 | 13 | 99.53 | 78.1 | 21,200 | 3,650 | 14.6 | 6.05 | 1,250 | 292 |
| 400×300 | 390×300 | 10 | 16 | 13 | 133.3 | 105 | 37,900 | 7,200 | 16.9 | 7.35 | 1,940 | 480 |
| 450×300 | 440×300 | 11 | 18 | 13 | 153.9 | 121 | 54,700 | 8,110 | 18.9 | 7.26 | 2,490 | 540 |
| 500×300 |
482×300 488×300 |
11 11 |
15 18 |
13 13 |
141.2 159.2 |
111 125 |
58,300 68,900 |
6,760 8,110 |
20.3 20.8 |
6.92 7.14 |
2,420 2,820 |
450 540 |
| 600×300 |
582×300 588×300 594×302 |
12 12 14 |
17 20 23 |
13 13 13 |
169.2 187.2 217.1 |
133 147 170 |
98,900 114,000 134,000 |
7,660 9,010 10,600 |
24.2 24.7 24.8 |
6.73 6.94 6.98 |
3,400 3,890 4,500 |
511 601 700 |
| ※650×300 |
644×300 650×300 |
12 12 |
22 25 |
18 18 |
206.8 224.8 |
162 176 |
152,000 171,000 |
9,910 11,300 |
27.1 27.6 |
6.92 7.08 |
4,710 5,250 |
661 751 |
| 700×300 |
692×300 700×300 |
13 13 |
20 24 |
18 18 |
207.5 231.5 |
163 182 |
168,000 197,000 |
9,020 10,800 |
28.5 29.2 |
6.59 6.83 |
4,870 5,640 |
601 721 |
| ※750×300 |
744×300 750×300 |
14 14 |
22 25 |
18 18 |
232.8 250.8 |
183 197 |
215,000 241,000 |
9,920 11,300 |
30.4 31.0 |
6.53 6.70 |
5,790 6,410 |
661 751 |
| 800×300 |
792×300 800×300 |
14 14 |
22 26 |
18 18 |
239.5 263.5 |
188 207 |
248,000 286,000 |
9,920 11,700 |
32.2 33.0 |
6.44 6.67 |
6,270 7,160 |
661 781 |
| ※850×300 |
844×300 850×300 |
16 16 |
25 28 |
18 18 |
279.8 297.8 |
220 234 |
323,000 355,000 |
11,300 12,600 |
34.0 34.5 |
6.35 6.51 |
7,650 8,350 |
752 842 |
| 900×300 |
※890×299 900×300 ※912×302 |
15 16 18 |
23 28 34 |
18 18 18 |
266.9 305.8 360.1 |
210 240 283 |
339,000 404,000 491,000 |
10,300 12,600 15,700 |
35.6 36.4 36.9 |
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 (cm²) |
Unit Mass (kg/m) |
Reference | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Second Moment of Area(cm⁴) | Radius of Gyration (cm) |
Section Modulus (cm³) |
||||||||||
| H×B | t1 | t2 | r | lx | ly | ix | iy | zx | zy | |||
| 200×100 | 200×100 | 5.5 | 8 | 8 | 26.67 | 20.9 | 1,810 | 134 | 8.23 | 2.24 | 181 | 26.7 |
| 250×125 |
248×124 250×125 |
5 6 |
8 9 |
8 8 |
31.99 36.97 |
25.1 29.0 |
3,450 3,960 |
255 294 |
10.4 10.4 |
2.82 2.82 |
278 317 |
41.1 47.0 |
| 300×150 |
298×149 300×150 |
5.5 6.5 |
8 9 |
13 13 |
40.80 46.78 |
32.0 36.7 |
6,320 7,210 |
442 508 |
12.4 12.4 |
3.29 3.29 |
424 481 |
59.3 67.7 |
| 350×175 |
346×174 350×175 |
6 7 |
9 11 |
13 13 |
52.45 62.91 |
41.2 49.4 |
11,000 13,500 |
791 984 |
14.5 14.6 |
3.88 3.96 |
638 771 |
91.0 112 |
| 400×200 |
396×199 400×200 |
7 8 |
11 13 |
13 13 |
71.41 83.37 |
56.1 65.4 |
19,800 23,500 |
1,450 1,740 |
16.6 16.8 |
4.50 4.56 |
999 1,170 |
145 174 |
| 450×200 |
446×199 450×200 |
8 9 |
12 14 |
13 13 |
82.97 95.43 |
65.1 74.9 |
28,100 32,900 |
1,580 1,870 |
18.4 18.6 |
4.36 4.43 |
1,260 1,460 |
159 187 |
| 500×200 |
496×199 500×200 ※506×201 |
9 10 11 |
14 16 19 |
13 13 13 |
99.29 112.3 129.3 |
77.9 88.2 102 |
40,800 46,800 55,500 |
1,840 2,140 2,580 |
20.3 20.4 20.7 |
4.31 4.36 4.46 |
1,650 1,870 2,190 |
185 214 256 |
| 600×200 |
596×199 600×200 ※606×201 |
10 11 12 |
15 17 20 |
13 13 13 |
117.8 131.7 149.8 |
92.5 103 118 |
66,600 75,600 88,300 |
1,980 2,270 2,720 |
23.8 24.0 24.3 |
4.10 4.16 4.26 |
2,240 2,520 2,910 |
199 227 270 |
- When ordering, please specify actual dimensions (H×B×t1/t2×length).
- The sizes marked * are not constantly being rolled, so please inquire when ordering.
- Please contact us in advance about turnaround times and specifications (bending, shot blasting, etc.).
- Standard length is 6 m or more with 500 mm pitch up to 24 m, but for orders over 15 m, please contact us before ordering.
Custom Dimensions
| Classification (Height × Flange Width) | Standard Cross-Section Dimensions (mm) | Cross-Sectional Area (cm²) |
Unit Mass (kg/m) |
Reference | JIS Standard (Japanese Industrial
Standards) (cm²) |
||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Second Moment of Area(cm⁴) | Radius of Gyration (cm) |
Section Modulus (cm³) |
|||||||||||
| H×B | t1 | t2 | r | lx | ly | ix | iy | zx | zy | ||||
| 250×125 | 250×125 | 4.5 | 6 | 8 | 26.26 | 20.6 | 2,810 | 196 | 10.4 | 2.73 | 255 | 31.3 | JIS G3101 |
| 450×200 | 441×199 | 6 | 9.5 | 13 | 64.58 | 50.7 | 22,000 | 1,250 | 18.5 | 4.40 | 997 | 126 | JIS G3101 JIS G3106 |
| 500×200 | 489×199 | 7 | 10.5 | 13 | 76.00 | 59.7 | 30,700 | 1,380 | 20.1 | 4.26 | 1,250 | 139 | |
| 600×200 | 587×199 | 8 | 10.5 | 13 | 76.00 | 59.7 | 30,700 | 1,380 | 23.3 | 3.95 | 1,630 | 139 | |
| 600×300 | 577×299 | 9 | 14.5 | 13 | 137.50 | 108.0 | 82,000 | 6,460 | 24.4 | 6.86 | 2,840 | 432 | JIS G3101 |
- When ordering, please specify actual dimensions (H×B×t1/t2×length).
-
The dimensions listed in the above table are not included in the standard sectional dimensions
for H-beams under JIS G 3192; however, they are certified under the JIS Mark Labeling
System.
JIS G 3101(SS400) JIS G3106(SM400A/B,SM490A/B)
Contact For Inquiries and Quotations
For detailed product information, please refer to our catalog.
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