Tel
+852 5795 1525
Email
xhtowerxh@gmail.com
xhtowerxh@gmail.com

Angle Steel Tower

XH Tower Manufacturing Est. 20+ Years

ANGLE STEEL TOWER & Self-Supporting Tower Solutions

XH Tower is a professional Angle Steel Tower manufacturer and Self-Supporting Tower supplier with over 20 years of engineering expertise. We design and fabricate 3-legged and 4-legged angular lattice structures — the industry's most proven self-supporting tower solution — for telecom operators, EPC contractors, and national grid projects worldwide.

Our angle steel towers are engineered for heights from 15m to 120m, wind-rated up to 330 km/h, and fully compliant with ASTM A123, TIA-222-H, and ISO 1461 standards. From structural design with PLS-TOWER software to hot-dip galvanized delivery — we deliver turnkey.

0 km/h
Max Wind
Speed Rating
0 m
Max Tower
Height
3k
Tons / Month
Supply Capacity
20+
Years of Tower
Engineering
Compliant with
ASTM A123 TIA-222-H ISO 1461 AWS D1.1 ASCE 74 ISO 9001:2015 Eurocode 3
Product Center
Total 1 Pages
All
Angle Steel Tower
1
Why Choose Us?
20+ Years of Expert Tower Engineering Excellence: High-Quality SolutionsCompetitive Bulk Pricing & Global Compliance (ASTM/ANSI/EU)"
20+ Years of Expertise

20+ Years of Expertise

More than 20 years of professional tower engineering experience
Competitive Edge

Competitive Edge

High-quality products at competitivepricing with bulk order advantages.
Global Standards

Global Standards

Strict compliance with ASTM, ANSIand European specifications.
Self-Supporting Tower // 02

What Is a
Self-Supporting Tower?
Definition & Advantages

A self-supporting tower is a free-standing structure that requires no guy wires or external anchoring — making it the preferred choice for urban, coastal, and space-constrained deployments worldwide. XH Tower engineers both 3-legged and 4-legged configurations for every terrain and load scenario.

A self-supporting tower (also called a free-standing tower) maintains its vertical stability entirely through its own base and foundation — no guy wires, no external cable anchoring. This structural independence makes it the dominant choice for telecom, broadcast, and transmission infrastructure in constrained sites.

Compared to a guyed tower, a self-supporting angle steel tower occupies only the base plate footprint, eliminates long-term cable maintenance, and allows unrestricted antenna access at any elevation. XH Tower's lattice designs achieve this in both 3-legged (triangular) and 4-legged (square) structural configurations.

Self-Supporting
No guy wires needed
Compact base footprint
Urban & restricted sites
Lower long-term OPEX
VS
Guyed Tower
Requires anchor radius
Large land footprint
Rural / open terrain only
Cable tension maintenance
ADV / 01
Compact Footprint
Occupies only the base plate area — no anchor cables extending outward. Ideal for rooftops, urban plots, coastal platforms, and any site where land area is limited or lease costs are high.
ADV / 02
Zero-Anchor Stability
Full structural stability from the lattice geometry and base plate alone — no guy wire tension adjustment, no anchor corrosion monitoring. Reduces long-term operational and maintenance costs.
ADV / 03
Unrestricted Access
No radial cables blocking approach paths. Maintenance crews and antenna technicians can access the tower from any direction at any height — critical for multi-carrier, multi-band deployments.
Two structural configurations
3-Legged

3-Legged
Self-Supporting Tower

Triangular lattice base. Lightweight, cost-efficient, and fast to erect. The preferred structure for heights up to 60m where logistical speed and budget efficiency are critical — remote sites, last-mile 5G, and island deployments.

Height range 15 m – 60 m
Base geometry Triangular
Payload class Light – Medium
Erection speed Faster
Best application Rural 4G / 5G macro
Cost index Lower
4-Legged

4-Legged
Self-Supporting Tower

Square lattice base. Higher lateral stiffness, superior torsional resistance. The standard for 60–120m structures carrying heavy multi-operator antenna payloads in high-wind coastal, alpine, or dense-urban environments.

Height range 60 m – 120 m
Base geometry Square
Payload class Heavy (multi-carrier)
Wind resistance Up to 330 km/h
Best application Microwave / broadcast / 5G macro
Cost index Higher
Typical applications
5G & 4G Macro Cells
self supporting tower for 5G
Microwave Relay Links
self supporting lattice tower microwave
TV / FM Broadcasting
self supporting broadcast tower
Power Transmission
angle steel tower transmission line

Not sure whether a 3-legged or 4-legged self-supporting tower suits your project? Send us your site coordinates, height requirement, and antenna loading schedule — our engineers will respond within 48 hours with a tailored structural recommendation.

Leading Manufacturer of High-Load Angle Steel Tower Solutions Globally

330 KM/H Max Wind Speed Rating

Engineered for Extreme Environments

3,000 Tons/Month Capacity

High-Volume Supply Chain Ready

PLS-TOWER Design Certified

Industry-Leading Structural Software

Our Premier Angular Lattice Steel Tower Solutions

3-Legged Angular Telecom Tower for 5G

Standard Angular Telecom Tower

The most cost-effective communication structure, supporting 4G and 5G networks.

Trusted worldwide for mobile and broadcasting networks. Utilizes Q235B/Q355B Angle Steel sections in a modular bolted design, ensuring rapid deployment and low installation costs for regional communication infrastructure and remote sites.

Key Specifications

  • Structural Type: 3-Legged or 4-Legged Self-Supporting

  • Steel Grade: Q235B, Q355B (ASTM A36/A572)

  • Wind Load Rating: Up to 330 KM/H (as per local standard)

  • Height Range: 30–120 meters

  • Best for: Telecom, Radio Broadcasting, Remote Base Stations

Core Technical Specifications for XH Angle Steel Towers

Parameter Specification
Supply Ability (Monthly) 3,000 Tons Per Month (High-Volume Assurance)
Structural Design Software PLS TOWER, MS TOWER, ASM TOWER
Max Design Wind Speed 0 - 330 KM/H (Conforming to Eurocode standards)
Main Angle Steel Material Grade Q235B, Q355B, Q420 (ASTM A572, GR65 equivalent)
Galvanization Standard ASTM A123 / ISO 1461 Hot-Dip Galvanization
Bolt Grade High-Strength Grade 8.8
Service Life More than 25 years

International Standards & Compliance for Angle Steel Tower Projects

Our fabrication and design processes strictly adhere to major global engineering codes, ensuring structural integrity and project approval worldwide.

Structural Design Code

TIA-222-H (Telecom Towers) / ASCE 74 (Transmission)

Corrosion Protection

ASTM A123 / ISO 1461 Hot-Dip Galvanization

Welding Standards

AWS D1.1 (Structural Welding Code) Compliance

Quality Management

ISO 9001:2015 Certified Manufacturing

Precision Quality Control (QC) Process for Angle Steel Towers

Our stringent 7-step QC protocol guarantees dimensional accuracy and material integrity, minimizing on-site construction risks.

  1. Raw Material Inspection: Incoming steel (Q345/Q420) verified against Mill Test Certificates (MTCs). Chemical composition and mechanical properties confirmed before cutting.
  2. Cutting & Punching Dimensional Check: Automated CNC lines ensure angle steel bars are cut to precision (±1mm tolerance). Hole positions are dimensionally verified prior to assembly.
  3. Welding Inspection (NDT): Non-Destructive Testing (NDT) methods like Ultrasonic Testing (UT) or Magnetic Particle Testing (MPT) are used on all critical welds.
  4. Galvanization Thickness Check: Zinc coating thickness is measured on multiple components using non-destructive gauges, confirming compliance with ASTM A123.
  5. Full Trial Assembly: Critical tower sections or dead-end towers undergo mandatory trial assembly to guarantee 100% fit-up before shipment.

Global Project Experience with Angular Steel Towers

Trusted by EPC contractors and national power grids across diverse geographic and climatic regions.

High-Voltage Transmission Line (Brazil)

Challenge: High seismic activity and extreme humidity.
Solution: Customized 500kV lattice towers using Q420 steel and enhanced HDG per ASCE 74 standards.

Remote 5G Telecommunications Network (Africa)

Challenge: Logistical constraints and rapid deployment requirement.
Solution: Standardized 60m 3-legged Angle Steel Towers with modular, container-optimized packaging for fast field erection.

Coastal Substation Expansion (Middle East)

Challenge: Highly corrosive saltwater environment.
Solution: Substation support structures with ASTM A123 certified galvanization exceeding standard thickness requirements for extended lifespan.

Mountainous Wind Farm Interconnection (Asia)

Challenge: Heavy ice loading and high-altitude wind pressure.
Solution: Custom-designed dead-end towers verified against 300 KM/H wind speed using PLS-TOWER software.

Custom Angle Steel Tower Fabrication Services

Every project has unique requirements for height, load, and site conditions. We specialize in custom-engineering Angular Towers to meet your exact specifications and project compliance standards (including ASCE and IEC).

  • Custom Heights: From 10m poles to 150m large-scale towers
  • Load Rating: Engineered for specific wind zone, ice load, and conductor tension requirements
  • Material Upgrades: Utilizing higher strength steel (e.g., Q420) for reduced weight and improved performance
  • Foundation Interface: Design matching existing foundation types (embedded, bolted, or pile cap)
  • Fast Manufacturing: Detailed fabrication and trial assembly completed within 4–8 weeks

Submit your technical drawings and specifications today for a detailed manufacturing proposal.

XH Tower Manufacturing & Logistics

Design & Trial Assembly

Fabrication & Welding

Galvanizing & Packing

FAQ
XH Tower Co., Ltd: Building Global Connectivity with Excellence

How to improve the wind and earthquake resistance of XH TOWER signal tower? ​​

XH TOWER strictly implements GB8702-2014 "Electromagnetic Environment Control Limits", and the measured value of the base station antenna radiation power density is ≤0.08W/m² (only 40% of the national standard limit).

By optimizing the antenna tilt angle (electronic downtilt angle 0-15° adjustable) and vertical lobe width (6°-90°), the radiation value 10 meters away from the ground is ensured to be attenuated to below 0.01W/m².

By optimizing the antenna tilt angle (electronic downtilt angle 0-15° adjustable) and vertical lobe width (6°-90°), the radiation value 10 meters away from the ground is ensured to be attenuated to below 0.01W/m².

For residential sites, XH TOWER can also provide a real-time radiation monitoring data disclosure platform, where users can scan the code on their mobile phones to view dynamic radiation values ​​and eliminate public concerns.

What are the disadvantages of using angle steel?

Low torsional stiffness: an L-shape is unsymmetrical, so it resists twisting poorly versus closed or symmetric sections. This matters where torsion or lateral buckling is possible.

Direction-sensitive strength: one leg carries more of the load depending on orientation — designers must account for eccentric loads and local bending.

Less material efficiency: for the same weight, I-sections or tubular sections usually provide higher moment of inertia (stiffness) and therefore carry larger bending loads more efficiently.

Connection and fatigue issues: lattice/angle assemblies need many bolted/welded connections that concentrate stress and require inspection/maintenance; fatigue cracks can initiate at bolt holes or weld toes.

Aesthetic & aerodynamic drawbacks: open lattice made from angles increases wind profile and creates more surfaces to corrode or collect dirt compared to smooth tubular members.

angle steel is excellent for cost-sensitive, short-to-medium spans and lattice towers, but for long spans, heavy bending/torsion, or low-maintenance needs, prefer I-sections, box/tubular sections, or engineered hollow sections.

What are the geological requirements for installing signal towers?

Geological requirements for signal towers focus on the soil and subsurface conditions to ensure structural stability. A geotechnical study, including a soil test and boring logs, is mandatory to determine the site's ability to support the tower and withstand environmental forces like wind and earthquakes. The investigation assesses foundation rock types, groundwater levels, and slope stability to inform the appropriate design for the tower's footing and overall structure. Geological requirements for signal towers focus on the soil and subsurface conditions to ensure structural stability. A geotechnical study, including a soil test and boring logs, is mandatory to determine the site's ability to support the tower and withstand environmental forces like wind and earthquakes. The investigation assesses foundation rock types, groundwater levels, and slope stability to inform the appropriate design for the tower's footing and overall structure. 

Let's Connect Today to Find the Right Solution!
Contact Us
XH Tower Co., Ltd
WhatsApp
+852 5795 1525
3007 Tianbao International Mansion Block B. , Qingdao city, Shandong Province, P.R. China
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