Customer Drawing Four-Legged Tubular Steel Telecommunication TowerProduct Description
4 Legged Angular Steel Tower
Material requirements of angle steel tower
1. The materials used for the tower shall comply with the
requirements of the design document, and all steel materials shall
be hot-dip galvanized for anti-corrosion.
2. All steel products are qualified products of national
large-scale steel plants. The selected steel products are attached
with quality certificate, steel factory inspection certificate and
other original certificates, and meet the requirements of design
documents.
3. The foundation screws are connected with anti-theft nuts, and
the others are connected with grade 4.8 ordinary bolts. The quality
standard of bolt and nut should meet gb5780-86 and gb41-86
respectively.
4. When the welding structure is made of Q235 steel, E43 welding
rod is selected. When Q235 steel is used, E43 welding rod is
selected. When different strength steels are connected, welding
materials suitable for low strength steels can be used.
| Communication tower |
| 1. Design Code | AST-101 |
| Structure Steel |
| 2. Grade | Mild Steel | High Tensile Steel |
| GB/T 700:Q235B | GB/T1591:Q345B |
| ASTM A36 | ASTM A572 Gr50 |
| EN10025: S235JR | EN10025: S355JR |
| 3. Design Wind Speed | 0-300KM/H |
| 4. Allowable deflection | 0.5 ~1.0 degree at operational speed |
| 5. Tension strength (Mpa) | 360~510 | 470~630 |
| 6. Yield strength (t≤16mm) (Mpa) | 355 | 235 |
| 7. Elongation (%) | 20 | 24 |
| Bolts & Nuts |
| 8. 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 |
| 12. Standard | AWS D1.1 |
| Galvanizing |
| 14. Galvanization standard of steel sections | ISO 1461 or ASTM A123 |
| 15. Galvanization standard of bolts and nuts | ISO 1461 or ASTM A153 |
Product Show
Our Company
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.
Terms and condition:
Price Term: EXW, FOB, CFR or CIF and so on
Shipping port: Tianjin port
Payment Term: Usually 50% by T/T as deposit balance by T/T or L/C at sight
before shipment. Other payment way can be negotiated.
Delivery Time: Usually 30-45 days after PO/drawing/prepayment confirmed.
Package: Normally we use steel wire to make the angle into bundle ,then
use special material to protect the zinc, or according to client’s
requirement.
Please provide drawings if you have so that we can calculate the
accurate price for you.
We also provide design according to your requests, if you don't
have drawings.
