The Brinell hardness tester indicates the ability of the material to resist the pressing of a hard object into the surface of the surface of the roughness meter. It is one of the important performance indicators of metallic materials. The hardness of the hardness tester is generally higher, and the wear resistance is better. Metal hardness measurements originated in the 1820s and were applied to metal hardness testing. Hardness Definition: Indicates the ability of a material to resist the intrusion of a hard object into its surface. It is one of the important performance indicators of metal materials. Generally, the higher the hardness, the better the wear resistance. Then let's talk about the advantages of the Brinell hardness tester:
1. Test indenter: steel ball or carbide ball with diameter D;
&nbs bar coater p; 2. Scope of application: For metals, it is only suitable for measuring the hardness of annealed, normalized, quenched and tempered steel, cast iron and non-ferrous metals;
3. Advantages: small measurement error and stable data;
& high and low temperature test chamber nbsp; 4. Disadvantages: large indentation, can not be used for too thin or finished parts;
5, Brinell hardness tester HB-3000 shape design is beautiful and generous, easy to use, free of calculations and other features to facilitate the use of the majority of users. The Brinell hardness test is the largest test method for indentation in all hardness tests. It can reflect the comprehensive performance of the material, and is not affected by microsegregation and uneven composition of the sample, so it is a A high precision hardness test method. It is the ability of the material to resist local plastic deformation, and is now measured by indentation. The hardness values â€‹â€‹cannot be directly compared with each other and can only be converted by the hardness comparison table.
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A fence is a fence.
Guardrail --- This refers to the "guardrail" for industrial use. Fences are mainly used for the protection and protection of personal safety and equipment in residential, highway, commercial areas, public places and other occasions. Guardrails are everywhere in our lives. Depending on the height, the price per fence length will vary.
The guardrail is usually made of steel, such as stainless steel, round steel pipe, square steel pipe or profiled steel plate, and iron wire. Surface treatment process: fully automatic electrostatic powder spraying (that is, plastic spraying) or painting. In recent years, plug-in, assembled guardrails made of aluminum alloy have also become more popular.
The posts of the guardrail are fixed to the ground by expansion bolts. It is usually installed on two sides of the logistics channel, the periphery of production equipment, the corners of buildings, the sides of doors and the edges of cargo tables, etc.
Effectively reduce the damage to equipment and facilities caused by accidental impact when the transportation equipment is shuttled.
Fence materials are: aluminum alloy, martensitic (nodular cast iron), carbon steel (sprayed or galvanized), stainless steel, plastic steel, zinc steel, PVC and other metal fences.
In addition, it also protects the logistics handling equipment itself. (Such as the protective fence on the edge of the loading platform to prevent the accidental fall of the forklift)
Close Board Fencing,Fences And Gates,Wickes Fencing,Woven Wire Fence
Jieyang Xinxin Industry and Trade Co., Ltd. , https://www.gdxxgm.com