Specification
Standard: GB, JIS, EN
Grade: GB9787-88, Q235B, G3101 SS400/SS540, S235JR S275JR
Size of JIS H Beam
| Size(mm) | Kg/m | Size(mm) | Kg/m |
| 100*100*6*8 | 16.9 | 340*250*9*14 | 78.1 |
| 125*125*6.5*9 | 23.6 | 346*174*6*9 | 41.2 |
| 148*100*6*9 | 20.7 | 350*175*7*11 | 49.4 |
| 150*75*5*7 | 14 | 350*350*12*19 | 135 |
| 150*150*7*10 | 31.1 | 390*300*10*16 | 105 |
| 175*90*5*8 | 18 | 400*200*8*13 | 65.4 |
| 175*175*7.5*11 | 40.4 | 400*400*13*21 | 172 |
| 194*150*6*9 | 29.9 | 440*300*11*18 | 121 |
| 198*99*4.5*7 | 17.8 | 446*199*8*12 | 65.1 |
| 200*100*5.5*8 | 20.9 | 450*200*9*14 | 74.9 |
| 200*200*8*12 | 49.9 | 488*300*11*18 | 125 |
| 244*175*7*11 | 43.6 | 496*199*9*14 | 77.9 |
| 248*124*5*8 | 25.1 | 500*200*10*16 | 88.2 |
| 250*125*6*9 | 29 | 588*300*12*20 | 147 |
| 250*250*9*14 | 71.8 | 596*199*10*15 | 92.5 |
| 294*200*8*12 | 55.8 | 600*200*11*17 | 103.4 |
| 298*149*5.5*8 | 32 | 700*300*13*24 | 182 |
| 298*201*9*14 | 65.4 | 800*300*14*26 | 207 |
| 300*150*6.5*9 | 36.7 | 900*300*16*28 | 240.1 |
| 300*300*10*15 | 93 |
Size of GB (Chinese Standard H Beam)
| Size(mm) | Kg/m | SIize(mm) | Kg/m | Size(mm) | Kg/m |
| 100*50*5.0*7 | 9.54 | 294*302*12.0*12 | 85 | 450*200*9.0*14 | 76.5 |
| 100*100*6.0*8 | 17.2 | 298*149*5.5*8 | 32.6 | 458*417*30.0*50 | 415 |
| 125*50*6.0*8 | 13.3 | 300*150*6.5*9 | 37.3 | 482*300*11.0*15 | 115 |
| 125*125*6.5*9 | 23.8 | 300*300*10.0*15 | 94.5 | 488*300*11.0*18 | 129 |
| 148*100*6.0*9 | 21.4 | 300*305*15.0*15 | 106 | 496*199*9.0*14 | 79.5 |
| 150*75*5.0*7 | 14.3 | 340*250*9.0*14 | 79.7 | 498*432*45.0*70 | 605 |
| 150*150*7.0*10 | 31.9 | 344*348*10.0*16 | 115 | 500*200*10.0*16 | 89.6 |
| 175*90*5.0*8 | 18.2 | 346*174*6.0*9 | 41.8 | 506*201*11.0*19 | 103 |
| 175*175*7.5*11 | 40.4 | 350*175*7.0*11 | 50 | 582*300*12.0*17 | 137 |
| 194*150*6.0*9 | 31.2 | 350*350*12.0*9 | 137 | 588*300*12.0*20 | 151 |
| 198*99*4.5*7 | 18.5 | 390*300*10.0*16 | 107 | 594*302*14.0*23 | 175 |
| 200*100*5.5*8 | 21.7 | 394*398*11.0*18 | 147 | 596*199*10.0*15 | 95.1 |
| 200*200*8.0*12 | 50.5 | 396*199*7.0*11 | 56.7 | 600*200*11.0*17 | 106 |
| 200*204*12.0*12 | 56.7 | 400*200*8.0*13 | 66 | 606*201*12.0*20 | 120 |
| 244*175*7.0*11 | 44.1 | 400*400*13.0*21 | 172 | 692*300*13.0*20 | 166 |
| 248*124*5.0*8 | 25.8 | 400*408*21.0*21 | 197 | 700*300*13.0*24 | 185 |
| 250*125*6.0*9 | 29.7 | 414*405*18.0*28 | 233 | 792*300*14.0*22 | 191 |
| 250*250*9.0*14 | 72.4 | 428*407*20.0*35 | 284 | 800*300*14.0*26 | 210 |
| 250*255*14.0*14 | 82.2 | 440*300*11.0*18 | 124 | 890*299*15.0*23 | 213 |
| 294*200*8.0*12 | 57.3 | 446*199*8.0*12 | 66.7 | 900*300*16.0*28 | 243 |
Size of European Standard H Beam
| Specification Depth*flange width (mm) |
Web thickness (mm) |
Flange thickness (mm) |
Weight (kg/m) |
| HE 240A 230*240 | 7.5 | 12 | 60.3 |
| HE 240B 240*240 | 10 | 17 | 83.2 |
| HE 260A 250*260 | 7.5 | 12.5 | 68.2 |
| HE 260B 260*260 | 10 | 17.5 | 93 |
| HE 280A 270*280 | 8 | 13 | 76.4 |
| HE 280B 280*280 | 10.5 | 18 | 103 |
| HE 300A 290*300 | 8.5 | 14 | 88.3 |
| HE 300B 300*300 | 11 | 19 | 117 |
| HE 320A 310*300 | 9 | 15.5 | 97.6 |
| HE 320B 320*300 | 11.5 | 20.5 | 127 |
Chemical Composition of JIS (Japanese Standard)
| Grade | Thicknessmm | C(%) | Si(%) | Mn(%) | P(%) | S(%) |
| SS400 | -- | -- | -- | -- | ≤0.050 | ≤0.050 |
| SM490A | ≤50 | ≤0.20 | ≤0.55 | ≤1.60 | ≤0.035 | ≤0.035 |
| >50-200 | ≤0.22 | ≤0.55 | ≤1.60 | ≤0.035 | ≤0.035 | |
| SM490B | ≤50 | ≤0.18 | ≤0.55 | ≤1.60 | ≤0.035 | ≤0.035 |
| >50-200 | ≤0.20 | ≤0.55 | ≤1.60 | ≤0.035 | ≤0.035 |
Mechanical Properties of JIS(Japanese Standard)
| Grade | Yield Strength | Tension Strength (MPa) |
Elongation | 180Cold-Bend Test R-Pin Diameter A-Thickness |
Akv(0ºC)/J | ||
| Thicknessmm | ΣS≥(MPa) | Thickness (mm) |
Δ≥(%) | ||||
| SS400 | ≤16 | 245 | 400-510 | Plate, Strip, Flat Bars | R=1.5A | ||
| ≤5 | 21 | ||||||
| >16-≤40 | 235 | 5-16 | 17 | ||||
| 16-50 | 21 | ||||||
| >40 | 23 | ||||||
| >40 | 215 | Bars, Angles | R=1.5A | ||||
| ≤25 | 25 | ||||||
| >25 | 30 | ||||||
| SM490A | ≤16 | 325 | 490-610 | ≤5 | 22 | -- | -- |
| >16-≤40 | 315 | 5-16 | 17 | ||||
| 16-50 | 21 | ||||||
| >40 | 295 | >40 | 23 | ||||
| SM490B | ≤16 | 325 | 490-610 | ≤5 | 22 | -- | ≥27 |
| >16-≤40 | 315 | 5-16 | 17 | ||||
| 16-50 | 21 | ||||||
| >40 | 295 | >40 | 23 | ||||
Chemical Composition of GB (Chinese Standard)
| Grade | Grade | C (%) |
Mn (%) |
Si | P | S | V (%) |
Nb (%) |
Ti (%) |
| ≤(%) | |||||||||
| Q195 | - | 0.06-0.12 | 0.25-0.50 | 0.30 | 0.050 | 0.045 | - | - | - |
| Q215 | A | 0.09-0.15 | 0.25-0.55 | 0.30 | 0.050 | 0.045 | - | - | - |
| B | 0.045 | - | - | - | |||||
| Q235 | A | 0.14-0.22 | 0.30-0.65 | 0.30 | 0.050 | 0.045 | - | - | - |
| B | 0.12-0.20 | 0.30-0.70 | 0.045 | - | - | - | |||
| Q345 | A | ≤0.20 | 1.00-1.60 | 0.55 | 0.045 | 0.045 | 0.02 -0.15 |
0.015 -0.060 |
0.02 -0.20 |
| B | 0.040 | 0.040 | |||||||
Mechanical Properties of GB (Chinese Standard)
| Grade | Yield Strength | Tension Strength (MPa) |
Elongation | 180°Cold-Bend Test R-Pin Diameter A-Thickness |
Charpy V-notch Impact Test (Longitudinal) |
||||
| Thickness (mm) |
ΣS≥ (MPa) |
Thickness (mm) |
Δ ≥(%) |
Longitudinal | Transverse | TemperatureºC | AKV/J≥ | ||
| Q235 | ≤16 | 235 | 375-500 | ≤16 | 26 | A | 1.5A | 20 | 27 |
| >16-40 | 225 | >16-40 | 25 | ||||||
| >40-60 | 215 | >40-60 | 24 | 0 | |||||
| >60-100 | 205 | >60-100 | 23 | 2A | 2.5A | ||||
| >100-150 | 195 | >100-150 | 22 | 2.5A | 3A | -20 | |||
| >150 | 185 | >150 | 21 | ||||||
| Q345 | ≤16 | 345 | 470-630 | 21 | - | - | 20 | 34 | |
| >16-35 | 325 | ||||||||
| >35-50 | 295 | ||||||||
| >50-100 | 275 | ||||||||
1.What does H mean in steel?
high carbon stainless steel
"H" grades are high carbon stainless steel grades, having improved strength at high temperatures - generally above 500°C. These high carbon grades have high short-term and long-term creep strength. They are usually produced in the form of pipe and plate.
2.What grade of steel is used in H beams?
Steel h-pile beams and steel wide flange beams come in eight ASTM standards, including A36, A572-Grade 50, A588, A690, A709, A913-Grade 50, A913-Grade 65, and A992. ASTM A36 mainly applies to carbon structural steel.
3.What is H-beam made of?
An h-beam is a steel structure that looks like its name suggests it should look: It's a steel beam shaped like a capital H. This structural beam made from rolled steel provides an impressive amount of strength when used in commercial building projects. Most of today's steel buildings use H-beams.
4.Why are steel beams H shaped?
H shape steel beam is an economical section and high-efficiency profile with more optimized cross-sectional area distribution and more reasonable strength-to-weight ratio. Steel H beam is named because its cross section is the same as the English letter "H".
5.Is an I or H beam stronger?
Though I-beams can prevent local buckling, they will not be able to handle the same force as an H-beam due to their lighter design. Overall, the title of "Stronger Beam" goes to H-beams. An H-beam's durability comes from its strength-to-weight ratio in the cross-section.