Product Details
JIAYAO CO., LTD.
1.Specifications
Design |
1. Design Code | TIA/EIA-222-G/F |
Structure Steel |
2. Grade | Mild Steel | High Tensile Steel |
GB/T 700:Q235B, Q235C,Q235D | GB/T1591:Q345B, Q345C,Q3455D |
ASTM A36 | ASTM A572 Gr50 |
EN10025: S235JR, S235J0,S235J2 | EN10025: S355JR, S355J0,S355J2 |
3. Design Wind Speed | Up to 250 km/h |
4. Allowable deflection | 0.5 ~1.0 degree @ operational speed |
5. Tension strength (Mpa) | 360~510 | 470~630 |
6. Yield strength (t≤16mm) (Mpa) | 355 | 235 |
7. Elongation (%) | 20 | 24 |
8. Impact strength KV (J) | 27(20°C)---Q235B(S235JR) | 27(20°C)---Q345B(S355JR) |
27(0°C)---Q235C(S235J0) | 27(0°C)---Q345C(S355J0) |
27(-20°C)---Q235D(S235J2) | 27(-20°C)---Q345D(S355J2) |
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 |
Welding |
12. Method | CO2 Shielded Arc Welding & Submerged Arc Welding(SAW) |
13. Standard | AWS D1.1 |
Marking |
14. Method of marking of the members | Hydraulic Press Stamping |
Galvanizing |
15. Galvanization standard of steel sections | ISO 1461 or ASTM A123 |
16. Galvanization standard of bolts and nuts | ISO 1461 or ASTM A153 |
2.Product Detail
4.Cooperation Customers
5.Certifications
6.Our Services
JIAYAO CO., LTD. is a professional telecom tower manufacturer and
approved by ISO9001. We are committed to providing customers with
the most optimized solutions and the best communication tower. Many
products have been exported to USA, Europe and other 55 different
counties.
We specialize in designing and manufacturer of angle steel tower,
tube steel tower, monopole tower, pine tree tower, guyed tower and
guard tower. Our departments include design, R&D, inspection,
laboratory, QC, galvanization and steel tower departments. Our raw
materials come from famous steel mills in China: HBIS Group, Baowu
Steel Group, Shougang Group.
If you need it, we will welcome you 24 hours a day!
Company Profile
JIAYAO CO., LTD.
JIAYAO CO., LTD. is a professional telecom tower manufacturer and approved by ISO 9001. We are committed to providing customers with the most optimized solutions and the best communication tower. Many products have been exported to USA, Europe and other 55 different counties.
We specialize in designing and manufacturer of angle steel tower, tube steel tower, monopole tower, pine tree tower, guyed tower and guard tower. Our departments include design, R&D, inspection, laboratory, QC, galvanization and steel tower departments.
Our raw materials come from famous steel mills in China:HBIS Group, Baowu Steel Group, Shougang Group.

Production&Transportation

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