Qingdao Powerup International Trade Co.,Ltd
Qingdao Powerup International Trade Co., Ltd is supplying all kinds of steel structure / towers and high precision machined components.
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1. Products
Q235B, Q345B Hot-dip Galvanized or Painted Communication Tubular Steel Tower
2. Standard
Our communication tower could be fabricated as per GB, EN or ASTM standard with high quality.
3. Technical Data
3.1 Design
| Design Code | ANSI/TIA-222-G/F |
| Design Wind Speed | Up to 250 km/h |
| Allowable deflection | 0.5 degree @ operational speed |
3.2 Material
| Structure Steel | ||
| High Tensile Steel | Mild Steel | |
| Grade | GB1591: Q345B, Q345C,Q3455D | GB700: Q235B, Q235C,Q235D |
| EN10025: S355JR, S355J0, S355J2 | EN10025: S235JR, S235J0, S235J2 | |
| ASTM A572 Gr50 | ASTM A36 | |
| Tension strength (Mpa) | 470~630 Mpa | 360~510 Mpa |
| Yield strength (t≤16mm) (Mpa) | 355 Mpa | 235 Mpa |
| Elongation (%) | 20 | 24 |
3.3 Bolts&Nuts
| Grade | Grade 4.8, 6.8, 8.8 |
| Standards for mechanical properties | |
| Bolts | ISO 898-1 |
| Nuts | ISO 898-2 |
| Washers | ISO 6507-1 |
| Standards for Dimensions | |
| Bolts | DIN7990, DIN931, DIN933 |
| Nuts | ISO4032, ISO4034 |
| Washers | DIN7989, DIN127B, ISO7091 |
3.4 Marking
| Method of marking of the members | Hydraulic Press Stamping |
3.5 Welding
| Method | CO2 Shielded Arc Welding & Submerged Arc Welding(SAW) |
| Standard | AWS D1.1 |
3.6 Galvanizing
| Galvanization standard of steel sections | ISO 1461 or ASTM A123 |
| Galvanization standard of bolts and nuts | ISO 1461 or ASTM A153 |
3.7 Capacity
| Maximum Production Capacity of Steel Tower per annum | 100,000 TON per annum |
| Maximum Capacity of Galvanizing Plant per annum | 100,000 TON per annum |
3.8 Test
| Factory test | Tensile test,Elements analysis, Sharpy test(impact test), Cold Bending, Preece test, Hammer tes |
4. Quality control
100% inspection: Each member will be checked by our QC team to ensure all members are qualified before delivery.
5. Package
Set-wisely packing or member-wisely packing as per client's requirements.
Tower members: One steel tower is separated into several bundles.
Bolts: Packing material is robust nylon bag or steel drum.
6. Experiences
Our products have been exported to more than 40 countries, such as Finland, Macedonia, Colombia, Venezuela, Chile, Cuba, Myanmar, South Korea, Kazakhstan, Pakistan, Philippines, India, Indonesia, Ethiopia, Sudan, Rwanda, Ghana, Benin, Nigeria, South Africa, UAE and Bahrain etc.
7. Our Commitment and target
Four ZEROs---Zero Quality Defect, Zero Quantity Shortage, Zero Delivery Delay, Zero Client Complaint
The following are some of our photos for you to check:
1. Our Equipment:
2. Our Galvanizing Pool:
4. Do Trial-assembly Before Batch Production:
5. Our Packing:
6. Our Loading:
