Perforating gun barrel material and preparation method thereof
A technology for perforating gun barrels and steel pipes, which is applied in the fields of seamless steel pipe materials and their preparation, gun barrel steel pipe materials and their preparation fields, can solve the problems of high cost, large quenching stress, high production difficulty and the like, and achieve reduced sensitivity , The effect of reducing internal stress and eliminating quenching oil
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[0038] Example 1 to Example 6 of the present invention
[0039] The steel pipe material of the perforating gun described in the embodiment 1-6 of the present invention is prepared by the following method, wherein the mass distribution ratio of the chemical elements of the steel pipe is shown in Table 1. A1-A6 corresponds to the embodiment 1-6 of the present invention, B1-B2 Comparative examples 1-2; Comparative examples 3-4 correspond to the conditions of B1 and B2 under fully quenched conditions.
[0040] Examples 1 to 6 prepared a perforating barrel material, the chemical element mass percentage ratio of the material component is:
[0041] C: 0.25-0.35%; Si: 0.15-0.35%; Mn: 0.4-0.8%; Cr: 0.8-1.2%; Mo: 0.15-0.45%; Al: 0.005-0.05%; Cu: ≤0.15%; Ni: ≤0.2%; V: ≤0.06%; Nb: ≤0.05%; Ti: ≤0.03%; Ca: 0.001-0.0065%; P1, and the quality relationship formula is 0.6
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