Production process for welded chain cable
A production process and anchor chain technology, which is applied to ships and other directions, can solve the problems of low flash welding efficiency, large deformation of anchor chain rings, and unqualified welding cross-sectional dimensions, so as to reduce upsetting distance, control end face misalignment, and reduce stress concentrated effect
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[0023] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.
[0024] The steps of the process are as follows:
[0025] Step one, prepare materials. For marine engineering equipment, a greater mooring effect is required, and there are high requirements for the strength and toughness of the anchor chain; while the ocean is a corrosive environment, the anchor chain also needs to have better corrosion resistance. Requirements, the anchor chain chooses the killed steel that meets the performance required by the third-grade anchor chain as the round steel material, which contains the following components in terms of mass percentage: C: 0.28-0.32%, Si: 0.68-2.46%, Mn: 0.8-1.1% , Cr: 0.42-0.75%, V: 0.06-0.14%, Ti: 0.01-0.03%, S: ≤0.02%, P: ≤0.02%, the rest is Fe; mechanical properties and material properties are: yield strength ≥ 620MPa, Tensile strength ≥ 780MPa, elongation ≥ 17%, reduction of area ≥ 40%, and the diame...
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