As a small hardware component, high strength hexagon socket bolt is widely used, ranging from a small electronic product and mechanical equipment to automobiles, airplanes, ships, etc., which need to move to high-strength hexagon bolts. In addition, the high-strength hexagon bolt is applied to the following industries: electronic industry, electrical industry, electrical industry, power industry, petrochemical industry, water transport industry, machinery manufacturing industry and furniture industry.
The main materials of high-strength hexagon socket bolt are susxm7, 302HQ, 303Cu, 303f, 304, 304cu, 304HC, 304j3, 304L, 304m, 305j1, 316, 316C, 316cu, 316L, 410, 420, 430, etc. The performance grade is composed of two parts of numbers, one is the nominal tensile strength of the material of the high-strength hexagon socket bolt, the other is the yield strength ratio of the screw, and the highest tensile strength is up to 1700n / mm2.
The product performance grades of high-strength hexagon socket bolts are also classified as follows: a4-70, a4-50, A2-70, a2-50 and high-strength performance grades A4-80 and c1-110. We take the performance grade 4.6 high-strength hexagon socket bolt as an example, which means that the nominal tensile strength of the material of the high-strength hexagon bolt is 400MPa, while the yield strength ratio of the screw material is 0.6. After heat treatment, the nominal tensile strength of the high-strength hexagon bolts with the performance grade of 10.9 reaches 1000MPa, and the yield ratio of its material can also reach 0.9. After calculation, the nominal yield strength of the high-strength hexagon bolts with the performance grade of 10.9 is 1000 × 0.9 = 900MPa.
High Strength Hexagon Socket Bolt
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