How to deal with the after-sale problems of high strength hexagon bolt? High strength hexagon bolt is made of high-strength steel. It is generally used in track, bridge and high-pressure equipment. In order to ensure its firmness, sometimes it needs to be prestressed before use. However, if the product has quality problems during use, it [...]
How to Process Bolt Head and Thread? The forming of bolt head adopts cold heading plastic processing. Compared with cutting, the metal fiber (metal wire) is continuous along the shape of the product, and there is no cutting in the middle. Therefore, the strength of the product is improved, especially the mechanical property is excellent. [...]
Advantages of high strength galvanized bolt High strength galvanized bolt is galvanized, so what are its advantages? Hot dip galvanizing is also used to protect the surface of screws, bolts and nuts from corrosion. Hot dip galvanized screws have better corrosion resistance than electro galvanized screws. However, high cost and high strength structural bolts are [...]
What are the causes of stainless steel hexagon bolt rusting? How to avoid it? 1. The surface of stainless steel hexagon bolt adheres organic juice (such as melon and vegetable, noodle soup, phlegm, etc.) and forms organic acid under the condition of water and oxygen. The corrosion of organic acid on metal surface will rust [...]
The manufacturing process of stainless steel hexagon bolts is as follows: Normalizing: the screw is heated to the appropriate temperature above the critical point AC3 or ACM for a certain time and then cooled in air to obtain pearlite structure. Annealing: the hypoeutectoid screw is heated to 20-40 ℃ above AC3 and cooled slowly in [...]
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ASTM A193 Alloy Steel Bolts WINDO METAL Inc. is your source for ASTM A193/A320 Alloy Steel Bolts from 3/8” to 4” Diameter in a wide variety of lengths, thread lengths and finishes Hot Dip Galvanized, Mechanical Galvanized, Zinc Plated, Yellow Zinc Plated, Cadmium Plated, Yellow Cadmium Plated, Blue Xylan® , Blue Teflon®, Green Xylan®, Green [...]