Suppliers with verified business licenses
Audited Supplier | Item | Temperature (ºC) | Wind speed (m/s) | Ice thickness (mm) |
| Max. temperature | 40 | 0 | 0 |
| Mini. temperature | -30 | 0 | 0 |
| Ice thickness | -5 | 10 | 15 |
| Basic wind speed | -5 | 27 | 0 |
| Installation condition | -10 | 10 | 0 |
| Annual temperature | 10 | 0 | 0 |
| Lightning overvoltage | 15 | 10 | 0 |
| Operation overvoltage | 10 | 15 | 0 |
| Hot-line work | 15 | 10 | 0 |
| Tower type |
Nominal Height scope (mm) |
Nominal Height (mm) |
Horizontal span (m) |
Vertical Span (m) |
Angle º |
Insulator Type |
Horizontal Span at angel condition |
| 1A6 J1 | 15~24 |
24 | 450 | 700 | 0~20 | / | / |
| Conductor type: 1×LGL -300/40 or 1×LGL-240/30 | OPGW: JLB-100 | ||||||
| Tower Type |
Tower weight scope (kg) | Foundation force scope (KN) | |||||
| Tmax | Tx | Ty | Nmax | Nx | NY | ||
| 1A6 J1 | 5025~7875 | 33-56 | 36~37 | 36~37 | 456~480 | 102~205 | 85~96 |
| Steel material | Anti-push, bending and press strength (N/mm2) | Anti-shear strength (N/mm2) |
|
| Grade | Thickness or diameter (mm) | ||
| Q235 Steel |
≤16 | 215 | 125 |
| >16~40 | 205 | 120 | |
| >40~60 | 200 | 115 | |
| >60~100 | 190 | 110 | |
| Q345 Steel |
≤16 | 310 | 180 |
| >16~35 | 295 | 170 | |
| >35~50 | 265 | 155 | |
| >50~100 | 250 | 145 | |
| Q420 Steel |
≤16 | 380 | 220 |
| >16~35 | 360 | 210 | |
| >35~50 | 340 | 195 | |
| >50~100 | 325 | 185 | |
| Q460 Steel |
≤16 | 415 | 240 |
| >16~35 | 395 | 230 | |
| >35~50 | 380 | 220 | |
| >50~100 | 360 | 210 | |
| Item | Grade | Anti-push strength (N/mm2) | Anti-shear strength (N/mm2) |
| Fastener for towers |
4.8 | 200 | 170 |
| 5.8 | 240 | 210 | |
| 6.8 | 300 | 240 | |
| 8.8 | 400 | 300 | |
| Anchor bolts |
Q235 | 160 | / |
| Chinese 35 steel | 190 | / | |
| Chinese 45 steel | 215 | / |
| No | Code | DESCRIPTION |
| 1 | GB/T2694-2003 | Power Transmission line Steel tower - Technical requirements for manufacturing |
| 2 | JGJ81-2002 | Technical specification for welding for steel structure of building |
| 3 | GB9787-88 | Measuring and allowable tolerance for hot-rolled equal angle |
| 4 | GB709-88 | Measuring and allowable tolerance for hot-rolled plate and strip |
| 5 | GB/T699-1999 | Quality Carbon Structural Steel |
| 6 | GB/T1591-1994 | Low alloy high strength structural Steel |
| 7 | GB700-88 | Carbon Structural Steel |
| 8 | GB222-84 | Method of sampling steel for determination of chemical composition and permissible variations |
| 9 | GB/T228-2002 | Method for Tensile testing of metals |
| 10 | GB/T232-1999 | Method for Bending test of metals |
| 11 | GB/T5117-1995 | Carbon Welding Rod |
| 12 | GB/T5118-1995 | Low Alloy Welding Rod |
| 13 | GB/T8220-1995 | Welding wires for gas shielding arc welding of carbon and low alloy steels |
| 14 | GB/T10045-2001 | Carbon steel flux cored electrodes for arc welding |
| 15 | JB/T7949-1999 | Weld outer dimensions for steel construction |
| 16 | GB50205-2001 | Test Standard for Acceptance of Steel Structure |
| 17 | GB/T470-1997 | Zinc Ingot |
| 18 | GB3098.1-2000 | Mechanical properties of fasteners-Part 1:Bolts, screws and studs |
| 19 | GB3098.2-2000 | Mechanical properties of fasteners-Part2: Nuts, and thread |
| 20 | GB3098.3-2000 | Mechanical properties of fasteners-Part3: Fastening screw |
| 21 | GB/T5780-2000 | Helical Bolts Grade C |
| 22 | GB/T41-2000 | Helical Nuts Grade C |
| 23 | GB/T90-2002 | Flat Washer Grade C |
| 24 | GB/T13912-2002 | Metal Coating, Technical Requirement and Test Method for Hot-dip galvanized Metal Parts |
| Standard | Description |
| ASTM A6/A6M | Standard 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 | Standard specification for Carbon structural steel |
| ASTM A123 / A123M-02 | Standard specification for Zinc (Hot-Dip Galvanized) Coatings on iron and steel products |
| ASTM A143 / A143M-03 | Standard Practise for Safeguarding Against Embitterment of Hot-Dip Galvanized Structural Steel Products and Procedure for Detecting Embitterment |
| ASTM A153/ A153M-05 | Standard specification for zinc coating (Hot-Dip) on iron and steel hardware |
| ASTM A - 194 | - Grade for bolt |
| ASTM A239 | Standard practice for locating the thinnest spot in a zinc (Galvanized) Coating on Iron or Steel Articles |
| ASTM A242 | Standard specification for High-Strength Low-Alloy Structural steel |
| ASTM A307 | Standard Specification for Carbon Steel Bolts and Studs, 60000 PSI Tensile strength |
| ASTM A370-06 | Standard Test Methods and Definitions for Mechanical Testing of Steel Products |
| ASTM A325 | Standard 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 | Standard Specification for High-strength Bolts for structural steel Joints |
| ASTM A384 / A384M-02 | Standard Practise for Safeguarding Against Warpage and Distortion During Hot-Dip Galvanizing of Steel Assemblies. |
| ASTM A394-93 | Standard Specification for steel Transmission Tower, Bolts, Zinc Coated and Bare |
| ASTMA - 563 | - Class and size of nuts |
| ASTMA - 572 | - Chemical composition of steel |
| ASTM A572/A572-97c | Standard specification for High-Strength Low-Alloy Columbium-Vanadium Structural steel |
| ASTMA - 615 | - The anchor bolt material |
| ASTM A673 / A673M-07 | Standard Specification for Sampling Procedure for Impact Testing of Structural Steel |
| ASTM B201 | Standard practice for testing Chromatic coating on Zinc and Cadmium surfaces |
| ASTM E94-93 | Standard Guide for Radiographic Testing |
| ASTM E 709-95 | Standard Guide for Magnetic Particle Examination |
| ASCE Manual 72 | - Load testing a simple structure |
| ASCE 10-97 | Standard 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 dimensions |
Suppliers with verified business licenses
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