SM490 Steel H Beam
SM490 is Japanese standard low alloy high-strength steel, the implementation of the Japanese standard JISG3106 special technical conditions, SM490 model in the meaning of the SM is the Japanese standard high-strength version, and 490 indicates the strength of the steel plate.
SM490 H-beam has the characteristics of high strength, high toughness, impact resistance, wear resistance, corrosion resistance, earthquake resistance and so on.
SM490 steel h beam chemical composition
Symbol |
Chemical composition |
||||
|
C |
Si |
Mn |
P |
S |
|
|
SM490A |
0.20 |
0.55 |
1.6 max |
0.035 |
0.035 |
|
SM490B |
0.19 |
0.55 |
1.6 max |
0.035 |
0.035 |
|
SM490C |
0.19 |
0.55 |
1.6 max |
0.035 |
0.035 |
|
SM490YA |
0.20 |
0.55 |
1.6 max |
0.035 |
0.035 |
|
SM490YB |
0.20 |
0.55 |
1.6 max |
0.035 |
0.035 |
SM490 h section steel mechanical property
Symbol |
Yield point or proof stress |
Tensile strength |
Elongation |
|||
|
Thickness of steel mm |
Thickness of steel mm |
thinckness |
Test piece |
% min |
||
|
16 or under |
Over 16-40 |
100 or under |
||||
|
SM490A |
325 |
315 |
490-610 |
<5 |
NO.5 |
22 |
|
≥5 <16 |
NO.1A |
17 |
||||
|
≥16 <50 |
NO.1A |
21 |
||||
|
SM490YA |
365 |
355 |
490-610 |
<5 |
NO.5 |
19 |
|
≥5 <16 |
NO.1A |
15 |
||||
|
≥16 <50 |
NO.1A |
19 |
||||
SM490 h shaped steel sizes
| Nominal Size(mm) |
H×B (mm) |
T1(mm) | T2(mm) | JIS Weight (kg/m) |
GB Weight (kg/m) |
Available Length |
| 100×100 | 100×100 | 6 | 8 | 16.9 | 17.2 | 6-16m |
| 120×120 | 125×125 | 6.5 | 9 | 23.6 | 23.8 | 6-16m |
| 150×75 | 150×75 | 5 | 7 | 14 | 14.3 | 6-16m |
| 150×100 | 148×100 | 6 | 9 | 20.7 | 21.4 | 6-16m |
| 150×150 | 150×150 | 7 | 10 | 31.1 | 31.9 | 6-16m |
| 175×90 | 175×90 | 5 | 8 | 18 | 18.2 | 6-16m |
| 175×175 | 175×175 | 7.5 | 11 | 40.4 | 40.4 | 6-16m |
| 194×150 | 194×150 | 6 | 9 | 29.9 | 31.2 | 6-16m |
| 200×100 | 198×99 | 4.5 | 7 | 17.8 | 18.5 | 6-16m |
| 200×100 | 5.5 | 8 | 20.9 | 21.7 | 6-16m | |
| 200×200 | 200×200 | 8 | 12 | 49.9 | 50.5 | 6-16m |
| 200×204 | 12 | 12 | 56.2 | 56.7 | 6-16m | |
| 250×125 | 248×124 | 5 | 8 | 25.1 | 25.8 | 6-16m |
| 250×125 | 6 | 9 | 29 | 29.7 | 6-16m | |
| 250×175 | 244×175 | 7 | 11 | 43.6 | 44.1 | 6-16m |
| 300×150 | 298×149 | 5.5 | 8 | 32 | 32.6 | 6-16m |
| 300×150 | 6.5 | 9 | 36.7 | 37.3 | 6-16m | |
| 300×200 | 294×200 | 8 | 12 | 55.8 | 57.3 | 6-16m |
| 298×201 | 9 | 14 | 65.4 | 6-16m | ||
| 350×175 | 346×174 | 6 | 9 | 41.2 | 41.8 | 6-16m |
| 350×175 | 7 | 11 | 49.4 | 50 | 6-16m | |
| 400×200 | 396×199 | 7 | 11 | 56.1 | 56.7 | 6-16m |
| 400×200 | 8 | 13 | 65.4 | 66 | 6-16m | |
| 250×250 | 250×250 | 9 | 14 | 71.8 | 72.4 | 6-16m |
| 250×255 | 14 | 14 | 81.6 | 82.2 | 6-16m | |
| 300×300 | 300×300 | 10 | 15 | 93 | 94.5 | 6-16m |
| 294×302 | 12 | 12 | 83.4 | 85 | 6-16m | |
| 300×305 | 15 | 15 | 105 | 106 | 6-16m | |
| 350×350 | 344×348 | 10 | 16 | 113 | 115 | 6-16m |
| 350×350 | 12 | 1 | 135 | 137 | 6-16m | |
| 400×400 | 388×402 | 15 | 15 | 140 | 141 | 6-16m |
| 394×398 | 11 | 18 | 147 | 147 | 6-16m | |
| 400×400 | 13 | 21 | 172 | 172 | 6-16m | |
| 400×408 | 21 | 21 | 197 | 197 | 6-16m | |
| 414×405 | 18 | 28 | 232 | 233 | 6-16m | |
| 428×407 | 20 | 35 | 283 | 284 | 6-16m | |
| 350×250 | 340×250 | 9 | 14 | 78.1 | 79.7 | 6-16m |
| 400×300 | 390×300 | 10 | 16 | 105 | 107 | 6-16m |
| 450×300 | 440×300 | 11 | 18 | 121 | 124 | 6-16m |
| 450×200 | 446×199 | 8 | 12 | 65.1 | 66.7 | 6-16m |
| 450×200 | 9 | 14 | 74.9 | 76.5 | 6-16m | |
| 500×300 | 482×300 | 11 | 15 | 111 | 115 | 6-16m |
| 488×300 | 11 | 18 | 125 | 129 | 6-16m | |
| 500×200 | 496×199 | 9 | 14 | 77.9 | 79.5 | 6-16m |
| 500×200 | 10 | 16 | 88.2 | 89.6 | 6-16m | |
| 506×201 | 11 | 19 | 102 | 103 | 6-16m | |
| 600×200 | 600×200 | 11 | 17 | 103.4 | 106 | 6-16m |
| 596×199 | 10 | 15 | 92.4 | 95.1 | 6-16m | |
| 606×201 | 12 | 20 | 118 | 120 | 6-16m | |
| 600×300 | 582×300 | 12 | 17 | 133 | 137 | 6-16m |
| 588×300 | 12 | 20 | 147 | 151 | 6-16m | |
| 594×302 | 14 | 23 | 170 | 175 | 6-16m | |
| 700×300 | 692×300 | 13 | 20 | 163 | 166 | 6-16m |
| 700×300 | 13 | 24 | 182 | 185 | 6-16m | |
| 800×300 | 800×300 | 14 | 26 | 207 | 210 | 6-16m |
| 808×302 | 16 | 30 | 241 | 6-16m | ||
| 900×300 | 890×299 | 15 | 23 | 210 | 213 | 6-16m |
| 900×300 | 16 | 28 | 240 | 243 | 6-16m | |
| 912×302 | 18 | 34 | 283 | 286 | 6-16m |
SM490 h beam structure Products image
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