Customization: | Available |
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Usage: | Tension Tower, Terminal Tower, Transposition Tower |
Conductor Circuit: | Double Circuit |
Shipping Cost: | Contact the supplier about freight and estimated delivery time. |
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Specifications of Electric Steel Pole :
Type
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Straight Pole ,Tensile Pole ,Turn Pole, Corner pole, Terminal pole, Crossing pole, Branch Pole
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Suit for
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Electricity distribution
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Shape
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Conoid ,Multi-pyramidal, Columniform, polygonal or round
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Material
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Usually Q355B/A572,minimum yield strength>=345n/mm2 Q235B/A36,minimum yield strength>=235n/mm2 As well as Hot rolled coil from Q460 ,ASTM573 GR65, GR50 ,SS400, SS490, to ST52 |
Tolerance of dimension
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+- 2%
|
Safety Factor
|
1.5 or 2.0 according to customer's need
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Working Load & Breaking Load
|
Design it according to customer's needs
|
Marks
|
Nane plate through rivert or glue,engrave,emboss as per customer requirement
|
Surface treatment
|
Hot dip galvaning
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Joint of Poles
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Insert mode,innerflange mode,face to face joint mode.
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Design of pole
|
Against earthquake of 8 grade
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Minimum yield strength
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355 mpa
|
Minimum ultimate tensile strength
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490 mpa
|
Standard
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ISO 9001
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Length of per section
|
Within 11.8m once forming without slip joint
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Welding
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Submerged arc High frequency welding. Welding Standard :AWS ( American Welding Society ) D 1.1 |
Thickness
|
2.5mm-20mm
|
Steel Grade
|
||
1. High strength low alloy structural steel: Q420B which is equivalent with ASTM Gr60 | 2.High strength low alloy structural steels: Q355B which is equivalent with ASTM Gr50 or S355JR | 3. Carbon Structural Steel: Q235B which is equivalent with ASTM A36 or S235JR |
General | Chinese Standard | American Standards: |
IEC 60826 - Design criteria of overhead lines IEC 60652 - Loading tests on overhead line structures ISO 1459 - Metallic coatings - Protection against corrosion by Hot Dip Galvanizing ISO 1461 - Hot dip galvanized coatings on fabricated iron and steel articles ISO 12944 - Paint coatings, corrosion protection, and structural steelwork ISO 898-1 - Mechanical properties of fasteners. Part 1-Bolts, Screws and studs ISO 630 - Structural Steels - plates, wide flats, bars, sections and profiles ISO 657 - Hot rolled structural steel plates tolerances on dimensions and shape ISO 7411 - Hexagon Bolts for high strength structural bolting with large width across flats ISO 657-5 - Hot rolled Structural Steel Sections equal and unequal leg angles ISO 7452 - Hot rolled structural steel plates tolerances on dimensions and shape BS EN 50341-1 - Overhead electrical lines exceeding AC 45kV -General Requirements BS 8004 - Code of Practice for Foundations BS 8110 - Structural use of concrete ANSI10-97 - Design of latticed steel transmission structures IEC 60050 (151) - International Electro-technical Vocabulary Part 51 Electrical and Magnetic Devices IEC 60050 (601) - Chapter 601: Generation, transmission and distribution of electricity-General IEC 60050 (601) - Chapter 601: Generation, transmission and distribution of electricity-Operation IEC 60059 - IEC standard current ratings |
GB/T2694-2003 Power Transmission line Steel tower - Technical requirements for manufacturing JGJ81-2002 Technical specification for welding for steel structure of building GB9787-88 Measuring and allowable tolerance for hot-rolled equal angle GB709-88 Measuring and allowable tolerance for hot-rolled plate and strip GB/T699-1999 Quality Carbon Structural Steel GB/T1591-1994 Low alloy high strength structural Steel GB700-88 Carbon Structural Steel GB222-84 Method of sampling steel for determination of chemical composition and permissible variations GB/T228-2002 Method for Tensile testing of metals GB/T232-1999 Method for Bending test of metals GB/T5117-1995 Carbon Welding Rod GB/T5118-1995 Low Alloy Welding Rod GB/T8110-1995 Welding wires for gas shielding arc welding of carbon and low alloy steels GB/T10045-2001 Carbon steel flux cored electrodes for arc welding JB/T7949-1999 Weld outer dimensions for steel construction GB50205-2001 Test Standard for Acceptance of Steel Structure GB/T470-1997 Zinc Ingot GB3098.1-2000 Mechanical properties of fasteners-Part 1:Bolts, screws and studs GB3098.2-2000 Mechanical properties of fasteners-Part2: Nuts, and thread GB3098.3-2000 Mechanical properties of fasteners-Part3: Fastening screw GB/T5780-2000 Helical Bolts Grade C GB/T41-2000 Helical Nuts Grade C GB/T90-2002 Flat Washer Grade C GB/T13912-2002 Metal Coating, Technical Requirement and Test Method for Hot-dip galvanized Metal Parts |
ASTM A394-93 -Specification for steel Transmission Tower, Bolts, Zinc Coated and Bare ASCE 10-97 -Design of latticed steel transmission structures AWS D1.1 -American Welding Society D1,1/D1,1M structural Welding code- Steel ANSI B-182-2 Bolts, nuts and washers dimension ASTM A6/A6M -specification for general requirements for rolled structural steel bars, plates, and sheet piling. ASTM - 6 - General Requirements for delivery of Rolled Steel Plates, Shapes, sheet Piling Bars for structural used ASTM A36/A36-M-97a -specification for Carbon structural steel ASTM A123 / A123M-02 - specification for Zinc (Hot-Dip Galvanized) Coatings on iron and steel products ASTM A143 / A143M-03 -Practise for Safeguarding Against Embitterment of Hot-Dip Galvanized Structural Steel Products and Procedure for Detecting Embitterment ASTM A153/ A153M-05 -specification for zinc coating (Hot-Dip) on iron and steel hardware ASTM A - 194 - Grade for bolt ASTM A239 -practice for locating the thinnest spot in a zinc (Galvanized) Coating on Iron or Steel Articles ASTM A242 -specification for High-Strength Low-Alloy Structural steel ASTM A307 -Specification for Carbon Steel Bolts and Studs, 60000 PSI Tensile strength ASTM A325 -Specification for structural bolts, steel, Heat treated 120/105 ksi minimum tensile strength ASTM A-325 or A-354 - Galvanized hexagonal head of connection bolt ASTM A325-97 -Specification for High-strength Bolts for structural steel Joints ASTM A384 / A384M-02 -Practise for Safeguarding Against Warpage and Distortion During Hot-Dip Galvanizing of Steel Assemblies. ASTMA - 563 - Class and size of nuts ASTMA - 572 - Chemical composition of steel ASTM A572/A572-97c -specification for High-Strength Low-Alloy Columbium-Vanadium Structural steel ASTMA - 615 - The anchor bolt material ASTM A673 / A673M-07 -Specification for Sampling Procedure for Impact Testing of Structural Steel ASTM B201 -practice for testing Chromatic coating on Zinc and Cadmium surfaces ASCE Manual 72 - Load testing a simple structure |
Q1: What price terms do you offer?
A: We offer EXW, FOB, CFR, and CIF terms, with Qingdao Seaport as the default shipping port. For FOB, CFR, or CIF pricing, please let us know the exact model and your order quantity so we can accurately calculate local transportation costs and sea freight.
Q2: What are your payment terms?
A: Typically, we require a 30% deposit by T/T, with the remaining 70% paid by T/T or L/C at sight before shipment. However, we're open to discussing other payment methods based on your needs.
Q3: What is your delivery time?
A: For standard electric poles, we can usually have the goods ready for shipment within 10 working days after receiving the deposit.
Q4: How can I get a price for a steel tower or lighting post?
A: You can send us a technical drawing or detailed specifications, and we'll provide you with a quote based on your specific requirements.
Q5: I'm a small wholesaler. Do you accept small orders?
A: Yes, we're happy to support small wholesalers and new partners. We value long-term cooperation and are committed to growing together with our customers.
Q6: I'm a designer. Can you produce a custom sample based on my design?
A: Absolutely. We welcome custom projects and are always glad to help bring your designs to life. Supporting customer innovation is part of our mission.
Q7: Can you provide Door-to-Door shipping service?
A: Yes, we offer Door-to-Door delivery to make the process easier, especially if you're unfamiliar with customs clearance. Thanks to our strong partnerships with logistics providers, we can also offer competitive shipping rates to help you save both time and cost