Active Member
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[China]
Address: The west of Dahoutun Village,Jiaolai town,Jiaozhou ,Qingdao
Contact name:Aggie
Qingdao Liangta Steel Structure Co., Ltd |
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Galvanized GSM Monopole Telecommunication Tower , Broadcast TV Towers
1. Production decription
Material: GB/T:Q235B, Q345B, Q420,
ASTM : A36,A572 GR50, GR65,
BS/EN :S355JR,S235JR
Certificates: ISO9001-2015, ISO14001:2015, OHSAS 45001:2015,SGS
Welding ways:CO2 welding , submerged arc auto methods
Galvanization: According with Chinese standard GB/T 13912-2002 ,Which is equal to American standard ASTM A123.
Painting: According to clients' request
Life Period: More than 30 years
Connection: Flange or overlapping connection
Fasteners: Grade 4.8,6.8 ,8.8 or as requirement.
The Specification of our monopole steel tubular tower for telecommunication as following:
| Height | 5m to 100m or other height customer requirement |
| Suit for | Antenna supporting |
| Shape | Conoid ,Multi-pyramidal,Columniform,polygonal or conical |
| Material | Q345B/A572,minimum yield strength>=355n/mm2 Q235B/A36,minimum yield strength>=235n/mm2 |
| Torlance of the dimenstion | +- 2% |
| Electroshock resistant protective grade | Grade I |
| The casing anti-corrosion performance | Class II |
| Working atmosphere of lighting fixture | -40 ºC~+45 ºC |
| Surface treatment | Hot dip galvanized Following ASTM A 123, color polyester power |
| Joint of Poles | sliping connection |
| Design of pole | Against earthquake of 8 grade |
| Wind Speed | 0-300km/h |
| Minimum yield strength | 335mpa |
| Minimum ultimate tensile strength | 400mpa |
| Max ultimate tensile strength | 620mpa |
| Standard | ISO9001 |
| Length of per section | Within 14m once forming without slip joint |
| Welding | Welding Standard : AWS ( American Welding Society ) D 1.1 |
| Thickness | 1mm to 30mm |
| Production Process | Raw material test → Cuttingj →Molding or bending →Welidng (longitudinal )→Dimension verify →Flange welding →Hole drilling →Calibration → Deburr→Galvanization or powder coating , painting →Recalibration →Thread →Packages |
| Packages | Usually use steel wire to fix the top,middle and bottom and use special material to protect zinc. |
2. Production capacity
| production capacity per month | 3000 tons |
3. Technical support
| Service you can get from our engineer | tower design,tower lofting ,tower weight calculation and loading plans |
| Software they used | TTA,STWXP,TMA,LMA,Daoheng |
4. Quality Control
Material incoming control:chemical and physical test
Zinc coating thinknes inspection
We usually has two ways of trial assembly: trial assembly before galvanzation and after galvanization
6. Hot dip galvanization and painting
7. Package and delivery
8. Company introduction
Qingdao Liangta Steel Structure Co., Ltd. ,established in year
2005,is a leading professional manufacturer in the field of
transmission line towers (the voltage up to 500kv),
telecommunication towers, monopoles, substation structures and
rooftop towers. We also supply steel profile products as per
customers 'requirement.
The factory located in Jiaozhou bay of Qingdao, covered an area of
over 60,000 square meters with an annual production capacity 60,000
tons.
Location:
Less than one hour drive from Qingdao International Airport, 1 hour
drive from Qingdao sea port.
• Qualification Certificates:
• -Environmental Management System Certificate: ISO14001:2015
• -Quality Management Systems Certificate: ISO9001:2015
• -Established Occupational Health and Safety Management Systems
Certificate: OHSAS 18001:2007
We also have many experiences of foreign projects, like
Philippines, Myanmar, Iraq, Mauritania and so on.
Welcome to contact us ,we make sure your every question will be
answered in time .
9. Product catalogue:
