Rolling method for rectangular isotropous stainless steel ring piece
A rectangular ring, isotropic technology, applied in the direction of metal rolling, etc., can solve the problems such as the large difference between the radial mechanical properties and the axial mechanical properties, and the inability to guarantee the mechanical properties of the ring and achieve consistency.
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[0043] The main chemical element content (percentage by weight) of the alloy is: 0.10% to 0.16% of C, 10.50% to 12.00% of Cr, 1.40% to 1.80% of Ni, 1.50% to 2.00% of W, The Mo content is 0.35%-0.50%, the V content is 0.18%-0.30%, the Mn content is ≤0.60%, the Si content is ≤0.60%, the S content is ≤0.025%, the P content is ≤0.030%, and the balance is Fe.
[0044] The steps of this method are as follows:
[0045] The stainless steel bar blanked according to the specifications is heated to the forging temperature, and after upsetting, punching, and pre-rolling, it is made into a steel bar with a height of H 1 , thickness B 1 , the outer diameter is R 1 rectangular ring blank;
[0046] like figure 1 As shown, the rectangular ring blank 1 is loaded into the ring rolling mill, the core roll 3 passes through the middle of the rectangular ring blank 1, the core roll 3 is driven and the rectangular ring blank 1 approaches the main roll 2, and then the tapered roll 4 is driven Near ...
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