Boracic wear-resisting alloy steel and preparation method thereof
A wear-resistant technology of alloy steel and boron, which is applied in the field of iron and steel materials to achieve the effects of increasing yield, improving impact toughness, and stabilizing recovery
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Embodiment 1
[0048] The chemical composition and mass percentage of a boron-containing wear-resistant alloy steel are: 0.20%C, 2%Cr, 0.5%Si, 3.90%Mn, 0.8%B, 0.8%Cu, 0.2%Ti, 0.10%Ca, 0.13% ReSiMg, 0.07%N, 0.15%Nb, 0.03%Al, 0.06%K, S<0.03%, P<0.04%, the balance is Fe and unavoidable impurity elements.
[0049] The manufacturing process steps are:
[0050] (1) Manufacture of boron agent and metamorphic inoculant:
[0051] Crushing ferrovanadium, ferrotitanium, ferroniobium, potassium oxide, silicon-calcium-barium alloy, and nitrogen-containing ferrochrome into 60-100 mesh powder, and crushing 60-100 mesh Al, BC, BN, B 2 o 3 、Si 3 N 4 Together with the modified element ReSiMg, mix them evenly according to the mass percentage of 0.8%B, 0.2%Ti, 0.10%Ca, 0.13%ReSiMg, 0.07%N, 0.15%Nb, 0.03%Al, 0.06%K, and use a thickness of 0.12 to 0.25 mm low-carbon steel strip packaging, rolled into a metal cored wire with a diameter of 8-15mm, or directly packed into a low-carbon steel pipe;
[0052] (2) ...
Embodiment 2
[0067] The chemical composition and mass percentage of a boron-containing wear-resistant alloy steel are: 0.35%C, 4%Cr, 0.8%Si, 4.5%Mn, 1.5%B, 0.9%Cu, 0.4%Ti, 0.20%Ca, 0.20% ReSiMg, 0.12%N, 0.20%Nb, 0.06%Al, 0.10%K, S<0.03%, P<0.04%, the balance is Fe and unavoidable impurity elements.
[0068] The manufacturing process steps are:
[0069] (1) Manufacture of boron agent and metamorphic inoculant:
[0070] Crushing ferrovanadium, ferrotitanium, ferroniobium, potassium oxide, silicon-calcium-barium alloy, and nitrogen-containing ferrochrome into 60-100 mesh powder, and crushing 60-100 mesh Al, BC, BN, B 2 o 3 、Si 3 N 4 Together with the modified element ReSiMg, mix them evenly according to the mass percentage of 1.5%B, 0.4%Ti, 0.20%Ca, 0.20%ReSiMg, 0.12%N, 0.20%Nb, 0.06%Al, 0.10%K, and use a thickness of 0.12 to 0.25 mm low-carbon steel strip packaging, rolled into a metal cored wire with a diameter of 8-15mm, or directly packed into a low-carbon steel pipe;
[0071] (2) S...
Embodiment 3
[0086] The chemical composition and mass percentage of a boron-containing wear-resistant alloy steel are: 0.5%C, 6%Cr, 1.0%Si, 5.0%Mn, 2.5%B, 1.2%Cu, 0.6%Ti, 0.25%Ca, 0.3% ReSiMg, 0.18%N, 0.3%Nb, 0.08%Al, 0.13%K, S<0.03%, P<0.04%, the balance is Fe and unavoidable impurity elements.
[0087] The manufacturing process steps are:
[0088] (1) Manufacture of boron agent and metamorphic inoculant:
[0089] Crushing ferrovanadium, ferrotitanium, ferroniobium, potassium oxide, silicon-calcium-barium alloy, and nitrogen-containing ferrochrome into 60-100 mesh powder, and crushing 60-100 mesh Al, BC, BN, B 2 o 3 、Si 3 N 4 Together with the modified element ReSiMg, mix them evenly according to the mass percentage of 2.5%B, 0.6%Ti, 0.25%Ca, 0.3%ReSiMg, 0.18%N, 0.3%Nb, 0.08%Al, 0.13%K, and use a thickness of 0.12 to 0.25 mm low-carbon steel strip packaging, rolled into a metal cored wire with a diameter of 8-15mm, or directly packed into a low-carbon steel pipe;
[0090] (2) Smelti...
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