Active Member
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[China]
Address: Fu Zhao Village，Guang Chuan Town, Jing County, Hengshui City, Hebei Province
Contact name:Anne Wang
Hebei Changtong Steel Structure Co., Ltd. |
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50m Multifunction 3 Legged Bts Wireless Steel Tubular Mast And Communication 3g 4g Telecommunication Antenna Tower
3. Technical Data
| Design | ||||
| 1. Design Code | ANSI/TIA-222-G/F | |||
| 2. Design Wind Speed | Up to 250 km/h | |||
| 3. Allowable deflection | 0.5 degree @ operational speed | |||
| Structure Steel | ||||
| High Tensile Steel | Mild Steel | |||
| 4. Grade | GB1591: Q345B, Q345C,Q3455D | GB700: Q235B, Q235C,Q235D | ||
| EN10025: S355JR, S355J0, S355J2 | EN10025: S235JR, S235J0, S235J2 | |||
| ASTM A572 Gr50 | ASTM A36 | |||
| 5. Tension strength (Mpa) | 470~630 Mpa | 360~510 Mpa | ||
| 6. Yield strength (t≤16mm) (Mpa) | 355 Mpa | 235 Mpa | ||
| 7. Elongation (%) | 20 | 24 | ||
| 8. Sharpy V-notch Test | 27J(20°C) | Q345B/S355JR | 27(20°C) | Q235B/S235JR |
| 27(0°C) | Q345C/S355J0/A572 Gr50 | 27(0°C) | Q235C/S235J0/A36 | |
| 27(-20°C) | Q345D/S355J2 | 27(-20°C) | Q235D/S235J2 | |
| Bolts & Nuts | ||||
| 9. Grade | Grade 4.8, 6.8, 8.8 | |||
| 10. Standards for mechanical properties | ||||
| 10.1 Bolts | ISO 898-1 | |||
| 10.2 Nuts | ISO 898-2 | |||
| 10.3 Washers | ISO 6507-1 | |||
| 11. Standards for Dimensions | ||||
| 11.1 Bolts | DIN7990, DIN931, DIN933 | |||
| 11.2 Nuts | ISO4032, ISO4034 | |||
| 11.3 Washers | DIN7989, DIN127B, ISO7091 | |||
| Marking | ||||
| 12. Method of marking of the members | Hydraulic Press Stamping | |||
| Welding | ||||
| 13. Method | CO2 Shielded Arc Welding & Submerged Arc Welding(SAW) | |||
| 14. Standard | AWS D1.1 | |||
| Galvanizing | ||||
| 15. Galvanization standard of steel sections | ISO 1461 or ASTM A123 | |||
| 16. Galvanization standard of bolts and nuts | ISO 1461 or ASTM A153 | |||
| Capacity | ||||
| 17. Maximum Production Capacity of Steel Tower per annum | 100,000 TON per annum | |||
| 18. Maximum Capacity of Galvanizing Plant per annum | 100,000 TON per annum | |||
| Test | ||||
| 19. Factory test | Tensile test,Elements analysis, Sharpy test(impact test), Cold Bending, Preece test, Hammer test | |||
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
Hebei Chang Tong Steel Structure Co., Ltd..located in the hometown of China Tower, is a modern big-scale
professional company fabricating triangular
communicationtower,four-corner communication tower, cable tower,
single-tube tower,
camouflage communication tower and transmission
linetower.integrating design,fabrication and marketing,annual
production capacity reaches more than 30,000 tons.Company always
adhere to the business strategy of "survive
by quality, develop by credit, increase efficiency by science and
technology", continuously carry out technical transformation,
complete production equipment, reliable production process,adopt
advanced CNC angle steel production line, CNC sheet
production line and various supporting equipment. The equipment has
a first-class iron tower stakeout center, all of
which implement microcomputer lofting, which guarantees the
processing quality and provides a strong guarantee for
production, which can fully meet the design and production
requirements of various types of towers and substation
structures.
Our steel tower products have won good reputation from our
customers,including China tower,China mobile,China
unicom,China telecom,State grid and so on.In addition,our products
also were exported to many countries and
areas,including South American,Africa,Southeast Asia and Ireland.
