Pole Specifications You Need Without the Chase
Composite Pole Data Built for Decision Makers
Composite Pole Classes. Quick Specs, Clear Options
EnduraPOLE™ AT A GLANCE
| EnduraPOLE™ | 30′ | 35′ | 40′ | 45′ | 50′ | 55′ | 60′ |
|---|---|---|---|---|---|---|---|
| Outside Diameter | 12.0″ | 12.0″ | 12.0″ | 12.0″ | 12.0″ | 12.0″ | 12.0″ |
| Inside Diameter | 11″ | 11″ | 11″ | 11″ | 11″ | 11″ | 11″ |
| Weight (lbs.)* | 473 | 552 | 630 | 709 | 788 | 867 | 946 |
| Pole Class by Strength – NESC Grade B | H6 | H5 | H4 | H3 | H2 | H1 | H1 |
| Pole Class by Strength – NESC Grade C | H4 | H3 | H2 | H1 | Class 1 | Class 1 | Class 2 |
| Pole Class by Deflection** | Class 1 | Class 1 | Class 1 | Class 2 | Class 3 | Class 3 | Class 3 |
| EnduraPOLE™ | 9.14 m | 10.67 m | 12.19 m | 13.72 m | 15.24 m | 16.76 m | 18.29 m |
|---|---|---|---|---|---|---|---|
| Outside Diameter | 304.8 mm | 304.8 mm | 304.8 mm | 304.8 mm | 304.8 mm | 304.8 mm | 304.8 mm |
| Inside Diameter | 279.4 mm | 279.4 mm | 279.4 mm | 279.4 mm | 279.4 mm | 279.4 mm | 279.4 mm |
| Weight (kg.)* | 214 | 250 | 286 | 322 | 357 | 393 | 429 |
| Pole Class by Strength – NESC Grade B | H6 | H5 | H4 | H3 | H2 | H1 | H1 |
| Pole Class by Strength – NESC Grade C | H4 | H3 | H2 | H1 | Class 1 | Class 1 | Class 2 |
| Pole Class by Deflection** | Class 1 | Class 1 | Class 1 | Class 2 | Class 3 | Class 3 | Class 3 |
* Weight includes installed top cap and base plate, exclusive of hardware and steps.
** Class by Deflection – When the EnduraPOLE is subjected to ANSi class loads the deflection will be less than 110% of a Western Red Cedar Pole of similar length and class.
30′ Pole
Metric Length: 9.14 m
Outside Diameter: 12″ (304.8 mm)
Inside Diameter: 11″ (279.4 mm)
Max Weight (lbs.)*: 473
Max Weight (kg)*: 214
Class by Strength:
Grade B: H6
Grade C: H4
Class by Deflection**: Class 1
35′ Pole
Metric Length: 10.67 m
Outside Diameter: 12″ (304.8 mm)
Inside Diameter: 11″ (279.4 mm)
Max Weight (lbs.)*: 552
Max Weight (kg)*: 250
Class by Strength:
Grade B: H5
Grade C: H3
Class by Deflection**: Class 1
40′ Pole
Metric Length: 12.19 m
Outside Diameter: 12″ (304.8 mm)
Inside Diameter: 11″ (279.4 mm)
Max Weight (lbs.)*: 630
Max Weight (kg)*: 286
Class by Strength:
Grade B: H4
Grade C: H2
Class by Deflection**: Class 1
45′ Pole
Metric Length: 13.72 m
Outside Diameter: 12″ (304.8 mm)
Inside Diameter: 11″ (279.4 mm)
Max Weight (lbs.)*: 709
Max Weight (kg)*: 322
Class by Strength:
Grade B: H3
Grade C: H1
Class by Deflection**: Class 2
50′ Pole
Metric Length: 15.24 m
Outside Diameter: 12″ (304.8 mm)
Inside Diameter: 11″ (279.4 mm)
Max Weight (lbs.)*: 788
Max Weight (kg)*: 357
Class by Strength:
Grade B: H2
Grade C: Class 1
Class by Deflection**: Class 3
55′ Pole
Metric Length: 16.77 m
Outside Diameter: 12″ (304.8 mm)
Inside Diameter: 11″ (279.4 mm)
Max Weight (lbs.)*: 867
Max Weight (kg)*: 393
Class by Strength:
Grade B: H1
Grade C: Class 1
Class by Deflection**: Class 3
60′ Pole
Metric Length: 18.29 m
Outside Diameter: 12″ (304.8 mm)
Inside Diameter: 11″ (279.4 mm)
Max Weight (lbs.)*: 946
Max Weight (kg)*: 429
Class by Strength:
Grade B: H1
Grade C: Class 2
Class by Deflection**: Class 3
* Weight includes installed top cap and base plate, exclusive of hardware and steps.
** Class by Deflection – When the EnduraPOLE is subjected to ANSI class loads the deflection will be less than 110% of a Western Red Cedar Pole of similar length and class.
EnduraPOLE™ Properties
| Mechanical Properties | Imperial | Metric |
|---|---|---|
| Flexural Strength per ASTM D1036 - 5% LEL | 44,000 psi | 303.37 Mpa |
| Compression Strength per ASTM D1036 - 5% LEL | 44,000 psi | 303.37 Mpa |
| Axial Compression Strength - 5% LEL | 44,000 psi | 303.37 Mpa |
| Modulus of Elasticity - Average | 4,312,000 psi | 29,730.19 Mpa |
| Bending Stiffness (EI) per ASTM D1036 | 1.289E+9 lbs-in² | 3.77E+11 kg-mm² |
| Ultimate Moment Capacity per ASTM D1036 | 183,000 lb-ft | 248.11 kN-m |
| Max Bolt Torque | 50 lb-ft | 67.8 N-m |
| Ultimate Bolt Bearing Strength Lengthwise (lb) - 5/8" bolt (psi) | 10,300 lb | 45,817 N |
| Ultimate Bolt Pull Through Strength (lb) (0.25"x2.5"x2.5" square curved washer) (5/8" bolt) | 7,700 lb | 34,251 N |
| Guy Load Test (5/8" bolts) | 33,000 lb | 146,791 N |
| Physical Properties | Imperial | Metric |
|---|---|---|
| Outer Diameter | 12 in | 304.8 mm |
| Inner Diameter | 11 in | 279.4 mm |
| Wall Thickness | 0.5 in | 12.70 mm |
| Cross Sectional Area | 18.064 in² | 11654 mm² |
| Moment of Inertia | 299.19 in⁴ | 1.24E+8 mm⁴ |
| Section Modulus | 49.86 in³ | 818,059 mm³ |
| Radius of Gyration | 4.0697 in | 103.37 mm |
| Density | 0.0709 lb/in³ | 1.9625 g/cm² |
| Weight | 15.375 lb/ft | 22.88 kg/m |
| Surface Area | 3.14159 ft²/ft | 0.2827 m²/m |
| Electrical Properties | Imperial | Metric |
|---|---|---|
| ASTM F711 | Pass | Pass |
| Miscellaneous Tests | Imperial | Metric |
|---|---|---|
| Salt Fog - ASTM B117 | Pass | Pass |
| Accelerated Age Test - ASTM G154 | Pass | Pass |
Mechanical Properties
Flexural Strength per ASTM D1036 – 5% LEL
Imperial: 44,000 psi
Metric: 303.37 Mpa
Compression Strength per ASTM D1036 – 5% LEL
Imperial: 44,000 psi
Metric: 303.37 Mpa
Axial Compression Strength – 5% LEL
Imperial: 44,000 psi
Metric: 303.37 Mpa
Modulus of Elasticity – Average
Imperial: 4,312,000 psi
Metric: 29,730.19 Mpa
Bending Stiffness (EI) per ASTM D1036
Imperial: 1.289E+9 lbs-in²
Metric: 3.77E+11 kg-mm²
Ultimate Moment Capacity per ASTM D1036
Imperial: 183,000 lb-ft
Metric: 248.11 kN-m
Max Bolt Torque
Imperial: 50 lb-ft
Metric: 67.8 N-m
Ultimate Bolt Bearing Strength Lengthwise (lb) – 5/8″ bolt (psi)
Imperial: 10,300 lb
Metric: 45,817 N
Ultimate Bolt Pull Through Strength (lb) (0.25″x2.5″x2.5″ square curved washer) (5/8″ bolt)
Imperial: 7,700 lb
Metric: 34,251 N
Guy Load Test (5/8″ bolts)
Imperial: 33,000 lb
Metric: 146,791 N
Physical Properties
Outer Diameter
Imperial: 12 in
Metric: 304.8 mm
Inner Diameter
Imperial: 11 in
Metric: 279.4 mm
Wall Thickness
Imperial: 0.5 in
Metric: 12.70 mm
Cross Sectional Area
Imperial: 18.064 in²
Metric: 11654 mm²
Moment of Inertia
Imperial: 299.19 in⁴
Metric: 1.24E+8 mm⁴
Section Modulus
Imperial: 49.86 in³
Metric: 818,059 mm³
Radius of Gyration
Imperial: 4.0697 in
Metric: 103.37 mm
Density
Imperial: 0.0709 lb/in³
Metric: 1.9625 g/cm²
Weight
Imperial: 15.375 lb/ft
Metric: 22.88 kg/m
Surface Area
Imperial: 3.14159 ft²/ft
Metric: 0.2827 m²/m
Electrical Properties
ASTM F711
Imperial: Pass
Metric: Pass
Miscellaneous Tests
Salt Fog – ASTM B117
Imperial: Pass
Metric: Pass
Accelerated Age Test – ASTM G154
Imperial: Pass
Metric: Pass
Why Do Our Specs Matter?Because What You Build Depends On What You Know
Engineered performance begins with accessible, reliable data. Every spec and file we share reflects our commitment to engineering clarity and grid-ready resilience.
Validated Load and Deflection Data from Engineering Testing
Meets Your Utility's Strength and Deflection Requirements
ANSI and ASTM Compliance for Confidence in Every Pole
Inherently Non-conductive and Non-toxic
Still Have Questions?
Our engineers are ready to help you validate, customize, or apply what you download.