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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Hot-dip Galvanized or Painted Q235B and Q345B Monopole Transmission Tower, Transmission Steel Tower
Qingdao Powerup International Trade Co., Ltd is professional in supplying all kinds of steel towers and steel structure. Steel towers including all kinds of transmission towers, telecommunication towers, radar towers, TV&Radio towers, torch towers, etc. Monopole transmission steel tower is one of our main products. We have advanced production technology and production equipment for transmission line steel tower of 1000kV and below, 500kV substation architecture, 220kV power transmission and transformation steel pipe pole, telecommunication tower, and substation structure. We have set up 4 angle steel iron tower processing workshops, 2 steel pipe pole processing workshop, and 1 hot dip galvanizing processing workshop.
The following is the quick details of our transmission monopole steel towers:
1. Products
Hot-dip Galvanized or Painted Q235B and Q345B Monopole Transmission Tower, Transmission Steel Tower
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. 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 |
4. Marking
| Method of marking of the members | Hydraulic Press Stamping |
5. Welding
| Method | CO2 Shielded Arc Welding & Submerged Arc Welding(SAW) |
| Standard | AWS D1.1 |
6. Galvanizing
| Galvanization standard of steel sections | ISO 1461 or ASTM A123 |
| Galvanization standard of bolts and nuts | ISO 1461 or ASTM A153 |
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 |
8. Test
| Factory test | Tensile test,Elements analysis, Sharpy test(impact test), Cold Bending, Preece test, Hammer tes |
9. Quality control
100% inspection: Each member will be checked by our QC team to ensure all members are qualified before delivery.
10. 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.
11. 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 Equipments:
2. Our produce process:
3. Our Galvanizing Pool:
4. Do Trial-assembly Before Batch Production:
5. Tubular Members after hot-dip galvanized:
6. Loading: