12KV 35KV Pole Accessories Galvanized Steel 8000D Cross Arm For Power Project
Brand Name:Futao
Certification:ISO 9001
Model Number:FT-CA012
Minimum Order Quantity:1 Pieces
Delivery Time:30 - 60 workdays
Payment Terms:L/C, T/T
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No.1 Xinghe Road, Heqiao Industrial Zone, Yixing, Jiangsu, China
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Product Details
12kv 35kv Galvanized Steel Pole Accessories 8000D Cross Arm For Power Project
Product Description
l This is an accessory used as a cross arm for a line transmission project
l Product model number is FT-CA010
l Poduct designed accoding to AASHTO (American Association of State Highway Transportation Officials) Standard
l Pole will be 8 to 16 meters in height
l Poduct surface will be hot dip galvanized and powder coated if required
l Q235, 355, A36, GR50,GR65 wil be used as steel sheet material
l +/-1% dimension tolerances is expected
l Pole wil be Conical, Polygonal (Hexagonal, Octagonal, Dodecagonal) in shape
l Maufacturing pocess certified with ISO9001:2000
l Designed with a wind resistance of 160 km/h or depending on clients request.
l Payment terms will be stated in TT/LC
- Usage : bear the vertical and horizontal loads of the conductor under the normal condition of not breaking the wire; the tension cross arm is used to bear the vertical and horizontal loads of the conductor, but also bear the tension difference of the conductor; the angle cross arm is used to bear the vertical and horizontal loads of the conductor, and also bear the large unilateral conductor tension.
- (the poles in some areas are double cross arms) the cross arms are generally installed 200 mm from the top of the pole, the straight cross arms shall be installed at the receiving side, and the cross arms of corner pole, terminal pole and branch pole shall be installed at the pull wire side.
- According to the stress condition of cross arm, single cross arm is used for straight pole or angle pole below 15 degrees, while double cross arm is used for angle pole, tension pole, terminal pole and branch pole with angle of 15-45 degrees, and cross cross arm is used for angle pole, tension pole, terminal pole and branch pole with angle of more than 45 degrees.
Specification Details
| Product name | 12kv 35kv galvanized steel pole accessories 8000D cross arm for power project |
| Material | ASTM A572 S355,Q345 |
| Design Wind | 30M/S or depending on clients’ request |
| Surface treatment | Hot Dip Galvanization |
| Galvanization Thickness | 80-100 microns on average according to BS EN ISO1461 standards |
| Minimum yield strength | 355 Mpa |
| Minimum ultimate tensile strength | 490 Mpa |
| Max ultimate tensile strength | 620 Mpa |
Process of Production
Verification of Materials → Cutting → Molding or Bending → Vertical Welding → Verification of Dimensions → Flange Welding → Hole Drilling → Calibration → Deburring Process → Galvanizing, Powder Coating or Painting → Recalibration → Threading → Packaging
Product Details
| Cross arms | - The location of attachment and connection devices on the shaft considering the vertical direction and angular orientation to the center shall be kept accurate. The accepted tolerance along vertical direction is ±10 mm. - The diameter of cross arm sections shall not be less than the design values, the positive tolerance shall not exceed +3 mm. - The length of cross arm shall be within -25 mm & +50 mm. - The rise of cross arm axis with respect to its theoretical axis shall not exceed ±9 mm per meter. |
| Erected structure | - The lap length in the slip joints shall be within -15 mm & +50 mm. - The tolerances in total length of shaft will be a function of tolerances of the shaft length & lap length in ship joints. Anyhow the total shortening of shaft length shall not exceed 0.25 percent of shaft height. |
| Shop Erection | Each of pole structures shall be completely shop assembled to prove ease of assembling and compliance of assembled structure with specified tolerances. The segments of shaft which are successfully slip jointed, shall be match marked for future easy field erection. The force needed to attain the specified lap length in slip joints shall not be less than the weight of upper portions of shaft joint, including the weight of cross arms & the maximum vertical loads of conductors & earth wires. Extensive care shall be exercised to avoid any damage to fabricated material, especially to their surface coatings, during test assembly. |
| Surface Coating | |
| General | All segments of pole structure shall be hot dip galvanized in conformity with ASTM A123 specification. All internal & external faces of tubular sections, base plates, flange plates, connection bolts and at least the exposed lengths of anchor bolts, shall receive zinc coating by hot dip galvanization. |
Surface preparation | The surfaces of base material shall be sufficiently clean, to receive satisfactorily zinc coating. The surface preparation includes following successive steps: a) Caustic bath in a acid solution to remove excessive oil, paints and grease from the surfaces. b) Rinsing to wash off the acid residue of previous step. c) Pickling in a bath containing diluted hydrochloric acid to eliminate mill scale & rust. Shot or grit blasting may be needed to remove deep rooted mill scale or particles that cannot be moved by pickling. All welds must be cleaned by hand or other blast methods because welding residues are chemically inert in standard pickling solutions. The immersion time & the temperature of the pickling both shall be considered to avoid steel embrittlement due to hydrogen absorption in parent metal. d) Rinsing to wash of previous step. e) Pre-fluxing in a hot bath of zinc chloride & ammonium chloride solutions to protect the steel cleaned in previous steps from re- oxidizing when entering into the drier area of zinc bath and also to prohibit the adhesion of zinc oxide which exists in dipping area, to the parent metal thus making it possible for zinc coat to adhere to surface of metal. f) Furnace drying to eliminate water adhered to metal from previous step and also to heat the metal. This step is required to avoid zinc projections and formation of zinc oxides on metal surfaces once metal is dipped into molten zinc. g) Zinc coating, which is attained by dipping the metal part into molten zinc bath at 450 oC. The thickness of coating in this process is about |
| 600 to 700 grams per square meters of surfaces. | |
| Inspection | In addition to control of galvanizing thickness, uniformity and adherence, non destructive examinations shall be made in weld areas to ensure that there are not toe cracks in welds. These areas include shaft to base plate or base flange connections. |
| Painting over galvanized surfaces | As the transmission line passes through forests or conservation areas, by the instruction of Employer the Contractor should paint parts of poles or complete poles in such areas, with adequate green paints. Proper painting system over galvanized surfaces shall be suggested by the manufacturer & its lump sum cost to be quoted in price schedule. |
| TESTING | The pole should be tested by having all of the governing design load cases. Type test should be performed in accordance with ASCE /SEI 48-11 for design of steel transmission pole structures. |
Testing
Packaging & Shipping
We pack the top and bottom parts of the pole with a mat or straw
bale in order to protect it from damage to the galvanized surface
that may occur during transportation.
Packaging can also be done according to clients’ requirements.
We can ship the poles by sea or air or express or trains and we
have our regular shipping agent.
FAQ
Trade terms:
1. Price Term: EXW,FOB,CFR,CIF,FCA or others.
The price includes pole shaft, base plate, cross arm and anchor
part.
2. Payment: 30%T/T in advance,70%T/T or L/C at sight before
shipment. Other payment way can be negotiated.
3. Package: Plastic woven bag or old blanket or according to
clients requirement.
4. Delivery time: within 30-60 workdays after receiving deposit.
| Q1. How can I get a price of needed pole? |
A: 1. Please provide exact dimensions such as height, pole shaft
material type and thickness, top and bottom diameters. We can then
give you an accurate quotation based on your specifications. |
| Q2. I am a small wholesaler; do you accept a small order? |
| A: It's not a problem if you are a small wholesaler; we could accept orders of various quantities. |
| Q3. I am a designer; Can you help me to produce the sample which we designed? |
| A: Our mission is to help our customers be successful. We are more than happy to help you solve any problems that you may have. |
| Q4: We want be your agent for our area. How do I apply for this? |
| A: Please send your proposal and your company profile.It will be better if we can know the estimated purchase quantity of every year. |
| Q5. Tell me about your company? |
| We have been a manufacturer and exporter of all kinds of steel poles including power poles, street lighting poles, telecommunications poles and other steel based products since 2000. Our products have been exported to many regions around the world. |
| Q6. Do you have some special policies for Branded companies? |
| A: Yes, we have some special support for the company who has own brand but are also in our VIP customers list. Please send us a copy of your sales data so we can analyze the best course of action in supporting you for your products in your market. |
| Q7. Do you provide Door to Door service? Because i don't know how to deal with customs clearance. |
| A: We provide Door to Door service to help you reduce shipping time and costs. This is because we have additional discounts with the shipping companies as we have done many shipments in the past. This in turn will save you lots of time and money. |
Our Service
1. We will reply all your enquiries in 12 working hours.
2. Experienced staff members will answer all your questions in
fluent English.
3. We have experienced and professional design team.
4. Exclusive and unique solutions can be provided to our customers
by our well-trained and professional engineers and staff.
5. Special discount or comission and protection of sales are
provided to our distributors.
6. State of the Art Factory with highly specialized machinery
focused on producing various types of steel poles with over 20
years of experience and expertise to deliver you quality products
that you can trust at competitive prices.
7. We have our own inspection team to control the quality.
Welcome to our factory!
12KV 35KV Pole Accessories Galvanized Steel 8000D Cross Arm For Power Project
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