Low carbon, low boron, and high chromium alloy steel and preparation method thereof
An alloy steel, carbon and low boron technology, applied in the field of alloy steel, can solve the problems of difficult control, high process requirements, and difficult civilian promotion, and achieve the effects of easy process control, good uniformity and low smelting cost
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[0062] Example 1
[0063] As a preferred embodiment of the present invention, referring to the accompanying drawings of the specification, this embodiment discloses:
[0064] Low-carbon, low-boron, high-chromium alloy steel, composed of the following raw materials by weight percentage:
[0065] Carbon 0.05%;
[0066] Silicon 1%;
[0067] Manganese 0.8%;
[0068] Phosphorus 0.01%
[0069] Sulfur 0.02%;
[0070] Chromium 8%;
[0071] Nickel 0.5%;
[0072] Molybdenum 0.1%;
[0073] Boron 0.03%;
[0074] Aluminum 0.1%;
[0075] Tin 0.05%;
[0076] Vanadium 0.3%;
[0077] Tungsten 0.1%;
[0078] Copper 0.05%;
[0079] Tantalum 0.005%;
[0080] Cobalt 0.05%;
[0081] Niobium 0.05%;
[0082] Cerium 0.8%;
[0083] The rest is iron and inevitable impurities.
Example Embodiment
[0084] Example 2
[0085] As another preferred embodiment of the present invention, referring to the accompanying drawings of the specification, this embodiment discloses:
[0086] Low-carbon, low-boron and high-chromium alloy steel is characterized in that it is composed of the following raw materials by weight percentage:
[0087] Carbon 0.1%;
[0088] Silicon 2%;
[0089] Manganese 1%;
[0090] Phosphorus 0.02%
[0091] Sulfur 0.02%;
[0092] Chromium 10%;
[0093] Nickel 1%;
[0094] Molybdenum 0.3%;
[0095] Boron 0.15%;
[0096] Aluminum 0.2%;
[0097] Tin 0.12%;
[0098] Vanadium 0.5%;
[0099] Tungsten 0.5%;
[0100] Copper 0.15%;
[0101] Tantalum 0.01%;
[0102] Cobalt 0.1%;
[0103] Niobium 0.15%;
[0104] Cerium 1%
[0105] Titanium 0.05%;
[0106] The rest is iron and inevitable impurities.
Example Embodiment
[0107] Example 3
[0108] As another preferred embodiment of the present invention, referring to the accompanying drawings of the specification, this embodiment discloses:
[0109] Low-carbon, low-boron and high-chromium alloy steel is characterized in that it is composed of the following raw materials by weight percentage:
[0110] Carbon 0.30%;
[0111] Silicon 3.0%;
[0112] Manganese 1.3%;
[0113] Phosphorus 0.03%
[0114] Sulfur 0.01%;
[0115] Chromium 13%;
[0116] Nickel 2.5%;
[0117] Molybdenum 0.8%;
[0118] Boron 0.25%;
[0119] Aluminum 0.3%;
[0120] Tin 0.2%;
[0121] Vanadium 1.0%;
[0122] Tungsten 1.5%;
[0123] Copper 0.3%;
[0124] Tantalum 0.015%;
[0125] Cobalt 0.15%;
[0126] Niobium 0.25%;
[0127] Cerium 2%
[0128] Titanium 0.08%;
[0129] The rest is iron and inevitable impurities.
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