Stainless steel/carbon steel bi-metal thread steel and composite molding technology thereof
A composite molding, stainless steel technology, applied in the direction of metal layered products, lamination, building elements, etc., to achieve the effect of reducing engineering costs, improving strength, and saving stainless steel materials
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[0071] Example one
[0072] In this embodiment, 304 stainless steel and HRB335 steel blanks are used, and finally rolled into a bimetallic rebar with a diameter of Φ25mm.
[0073] Such as Figure 4 with Figure 5 As shown, it is a schematic diagram of the basic structure of a bimetal blank provided by an embodiment of the present invention.
[0074] In this embodiment, the stainless steel tube blank 4 of the outer layer is made of 304 stainless steel. The stainless steel tube blank 4 is a round seamless steel tube, and its specific size is Φ150×5×2000 (outer diameter×wall thickness×length, mm). The carbon steel core blank 5 of the core adopts the blank used to produce HRB400 rebar, and its specific size is Φ140.07×2000 (outer diameter×length, mm). The carbon steel core blank 5 and the stainless steel pipe blank 4 The amount of interference between is 0.07mm.
[0075] The stainless steel pipe blank 4 is firstly removed from the inner surface of the flash burr, then subjected to pickli...
Example Embodiment
[0080] Example two
[0081] In this embodiment, 316L stainless steel and HRB500 rebar blanks are used, and finally rolled into bimetal rebar with a diameter of Φ28mm.
[0082] Such as Image 6 Shown is a schematic diagram of the basic structure of another bimetal blank provided by an embodiment of the present invention.
[0083] In this embodiment, the outer layer of stainless steel tube blank 4 is made of 316L stainless steel. The stainless steel tube blank 4 is an equilateral rectangular seamless steel tube with a specific size of 160×5×3000 (side length×wall thickness×length, mm). The carbon steel core blank 5 of the core adopts the blank used in the production of HRB500 rebar, and its specific size is 150.5×3000 (side length×length, mm). The carbon steel core blank 5 and the stainless steel pipe blank 4 are The interference is 0.5mm.
[0084] The stainless steel pipe blank 4 is firstly removed from the inner surface of the flash burr, then subjected to pickling treatment, and fin...
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