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Substation Structure(MG-ES028)

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Products description:


Supplier Details
Company Name : Qingdao Megatro Holding Inc.
Contact Person : Karl
Tel : 86-532-55588298
86-18853277506
Fax : 86-532-55588276
Email : karl@megatro.cn
Address : 288, Zhuhai Road, Huangdao District, Qingdao city, Shandong Province, China
WebSite :  http://www.yeskey.com/space/Megatro3513/

  • Products description:

Substation is a high-voltage electric system facility. It is used to switch generators, equipment, and circuits or lines in and out of a system. It also is used to change AC voltages from one level to another, and/or change alternating current to direct current or direct current to alternating current. Some substations are small with little more than a transformer and associated switches. Others are very large with several transformers and dozens of switches and other equipment.

 

MEGATRO provide every type of substation framework, which is the steel framework for electric power transmission and transformation and widely used in power transmission &distribution industry. We manufacture them with complicated technology and adopted sophisticated production line. Now we sell them widely all over the world.

Fabrication: conform to clients drawings and technical requirements

Place of Origin: Qingdao, Shandong, China.

Availability size: Based on the customer’s requirements.

Material: Chinese material or as per clients requirements

Package: both party discuss and agreed before delivery

Terms of Payment: L/C; T/T

Minimum Order Quantity: 50tons

Port of Loading: Qingdao Port

Lead Time: one month or based on the customer's needs.

Performance Standard

Besides conform to the drawing and design, the materials and fabrication of tower components shall conform to the following standards (Chinese Standards):

 

No

Code

DESCRIPTION

1

GB/T2694-2003

Transmission line 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/T8110-1995

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

 

American Standards:

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

 

DIN VDE 0101    -  Isokeraunic Level

VDE 0201    - Climatic and environmental   conditions

CVDE 0210      -  Minimum safety factors under    simultaneous working loads

ISO R898 Mechanical Properties of Fasteners

BS EN ISO 1461:1991 - High dip galvanized coatings on fabricated iron and steel articles. Specifications and standards

A) BS 5950: Welding Terms And Symbols

B) BS 729: Hot - Dip Galvanised Coating On Iron And Steel Articles

C) BS 2901: Filler Rods And Wires For Gas Shielded Arc Welding: Part 1 Ferritic Steels

D) BS 3692: ISO Metric Precision Hexagon Bolts, Screws And Nuts

E) BS 4360: Weldable Structural Steel

F ) BS 5135: Metal - Arc Welding Of Carbon And Carbon Manganese Steel

G) BS 5950: Part 1: Code Of Practice For Loading Latticed Tower & Masts

Part 2: Guide To The Background And Use Of Part 1"Code OF Practice For Loading"

Part 3: Strength Assessment of Members

H) DD 133 (1986): Code Of Practice For Loading Latticed Tower & Masts

I) BS 4592 (1987): Part 2: Specification For Expanded Metal Grating Panels

J) BS 4592 (1977): Code Of Practice For Protective Coating Of Iron And Steel Structure Against Corrosion

K) BS 4190: Bracing & Flanged Bolts

L) BS 4190: Rolled Steel sections, Flats & Plates

 



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