High Quality Steel I Beam for Construction
- Category: Steel I-Beams >>>
- Supplier: Guangzhou Long Sheng Qing Trade Co. Ltd.
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Product Overview
Description
Product Description
Widely used in various building structures, bridges, vehicles, brackets, machinery, etc., for example, the industrial structure of the steel bearing bracket,steel piles and underground, engineering supporting structure, petro chemical and power and other industrial equipment structure, shipbuilding, machinery manufacturing frame structure,train, car,tractor beam bracket, port conveyors,high speed shutter stents.
Production description
I Beam & IPE
Production description
Standard:JB,EN,JIS
Grade:GB9787-88,Q235B,EN10025 S235JR,G3101 SS400/SS490/SS540
Packing:Export packing, in bundles
Chemical Composition of GB (Chinese Standard)
Mechanical Properties of GB (Chinese Standard)
Grade:GB9787-88,Q235B,EN10025 S235JR,G3101 SS400/SS490/SS540
Packing:Export packing, in bundles
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 | Tensile 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 | Temperature ºC | AKV/J ≥ | ||
| Q195 | ≤16 | 195 | 315-430 | ≤16 | 33 | 0 | 0.5a | - | - |
| >16-40 | 185 | >16-40 | 32 | ||||||
| >40-60 | - | >40-60 | -- | ||||||
| >60-100 | - | >60-100 | -- | ||||||
| >100-150 | - | >100-150 | -- | ||||||
| >150 | - | >150 | -- | ||||||
| Q215 | ≤16 | 215 | 330-450 | ≤16 | 31 | 0.5a | a | 20 | 27 |
| >16-40 | 205 | >16-40 | 30 | ||||||
| >40-60 | 195 | >40-60 | 29 | ||||||
| >60-100 | 185 | >60-100 | 28 | 1.5a | 2a | ||||
| >100-150 | 175 | >100-150 | 27 | 2a | 2.5a | ||||
| >150 | 165 | >150 | 26 | ||||||
| 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 | ||||||||
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