Tensile test method for copper steel pipes by electronic universal testing machine

Electronic universal testing machineTensile test method for making copper steel pipes

Test plan: 1. Choose a 3T wedge-shaped tensile clamp with 4~8mm V-shaped clamp;
2. Clam the upper end of the sample and clear it;
3. Move the cross beam to appropriate position to clamp the lower end of the sample;
4. Use micro-movement to control the beam’s unloading force to 0~1N and clear the displacement;
5. Issuing a test report;
Report content: size, cross-sectional displacement, tensile force, tensile strength, yield strength, elongation;
Other notes: The elongation of the sample is 20.3%, and the surface extension is YYU-5020 and there is an overspan condition;
Note: The fixture used in this test is: a 3T wedge-shaped tensile fixture, and the figure number is: L3-01.

Advantages of copper-plated steel grounding material:

1. The copper-plated steel grounding material utilizes the corrosion resistance of the copper layer with a surface thickness of 0.254mm, and adopts an electroplating process that penetrates into molecules, with

It has excellent corrosion resistance. It can ensure that the ground network is 50 years of maintenance-free, and has good economic performance and meets the full life compared with traditional materials.

Equipment cycle management meets the scope of new materials, new processes and new equipment.

2. Under the action of high-frequency grounding or lightning strike current, a skin effect is generated, allowing the copper-plated steel grounding material to have electrical conductivity close to pure copper.

3. Vertical copper-plated grounding materials are convenient and fast to install, and save time and effort without excavation. Through connection, any depth can be achieved and underground water can be utilized

The resistance reduction effect is obvious, and there is no need to drill additional deep wells, thereby reducing the substation's footprint.

4. The grounding material of horizontal copper-plated steel is twisted wire, and is supplied in coils. There are few joints during laying, making it easy to bending through the pipe. Stringed wires are individually plating, copper

The layer thickness is up to 0.3mm or more, and the conductivity is excellent.

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