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Steel being low in raw material cost

A raw material and cost technology, applied in the steel field with low raw material cost, can solve the problems of high raw material cost, limited sources, and inability to be used on a large scale, reducing the use of precious metals, widening raw material sources, and facilitating promotion applied effect

Inactive Publication Date: 2016-09-28
SUZHOU DOUBLE GOLD IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Existing steel requires high cost of raw materials, the source is not wide, and cannot be used on a large scale

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0011] Provide a kind of steel with low raw material cost, the raw material composition of described steel comprises carbon, cerium, silicon, phosphorus, manganese, titanium, sulfur, niobium, vanadium, iron and impurity, and described steel comprises raw material by weight percentage The ingredients are: carbon 0.224%, cerium 0.366%, silicon 0.276%, phosphorus 0.016%, manganese 1.04%, titanium 0.028%, sulfur 0.0135%, iron and impurities: balance, the total weight percentage of the niobium and the vanadium is 0.045%, the smelting process of the steel adopts the converter steelmaking process, the inner wall of the converter is provided with refractory bricks, and the side of the converter is provided with several holes, and air is blown into the furnace through the holes to realize the side-blown converter . The duration of the converter steelmaking process is 10 minutes.

Embodiment 2

[0013] Provide a kind of steel with low raw material cost, the raw material composition of described steel comprises carbon, cerium, silicon, phosphorus, manganese, titanium, sulfur, niobium, vanadium, iron and impurity, and described steel comprises raw material by weight percentage The ingredients are: carbon 0.225%, cerium 0.54%, silicon 0.379%, phosphorus 0.024%, manganese 1.04%, titanium 0.032%, sulfur 0.0126%, iron and impurities: the balance, the total weight percentage of the niobium and the vanadium is 0.033%, the smelting process of the steel adopts the converter steelmaking process, the inner wall of the converter is provided with refractory bricks, and the side of the converter is provided with several holes, and air is blown into the furnace through the holes to realize the side-blown converter . The duration of the converter steelmaking process is 15 minutes.

Embodiment 3

[0015] Provide a kind of steel with low raw material cost, the raw material composition of described steel comprises carbon, cerium, silicon, phosphorus, manganese, titanium, sulfur, niobium, vanadium, iron and impurity, and described steel comprises raw material by weight percentage The ingredients are: carbon 0.235%, cerium 0.57%, silicon 0.389%, phosphorus 0.027%, manganese 1.13%, titanium 0.035%, sulfur 0.0145%, iron and impurities: balance, the total weight percentage of the niobium and the vanadium is 0.05%, the smelting process of the steel adopts the converter steelmaking process, the inner wall of the converter is provided with refractory bricks, and the side of the converter is provided with several holes, and the air is blown into the furnace through the holes to realize the side-blown converter . The duration of the converter steelmaking process is 20 minutes.

[0016] The beneficial effects of the present invention are:

[0017] 1. The steel with low raw materia...

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Abstract

The invention discloses steel being low in raw material cost. The steel comprises the following raw material components in percentage by weight: not more than 0.235% of carbon, not more than 0.57% of cerium, not more than 0.389% of silicon, not more than 0.027% of phosphorus, not more than 1.13% of manganese, not more than 0.035% of titanium, not more than 0.0145% of surplus, and the balance of iron and impurities. A converter steelmaking craft is adopted during a smelting process of the steel; firebricks are arranged on the inner wall of a converter; a plurality of holes are formed in the side wall of the converter; and through the holes, air is blown into the converter for side-blown converter steelmaking. By adoption of the above technical scheme, the steel disclosed by the invention has the advantages that the adopted raw materials are wide in source, so that the consumption of precious metal can be effectively reduced, the whole cost can be reasonably controlled, and a lot of cost can be saved for an enterprise; and accordingly, large-scale popularization and application are facilitated.

Description

technical field [0001] The invention relates to the field of steel materials, in particular to a steel with low raw material cost. Background technique [0002] Steel is an iron-carbon alloy. Steel is processed into steel products, which can be divided into four categories: type, plate, tube and wire. Sectional steel can be divided into simple and complex section according to its section shape. The former includes round steel, square steel, flat steel, hexagonal steel and angle steel, and the latter includes steel rail, I-beam, channel steel, window frame steel and special-shaped steel. Wait. Steel plates are divided into thin plates, medium plates and thick plates according to their thickness, and steel strips are included in the steel plates. Steel pipes can be divided into round pipes, square pipes, hexagonal pipes and various special-shaped cross-section steel pipes according to their cross-sectional shapes. Steel wires are divided into round steel wires, flat steel ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C38/04C22C38/14C22C38/02
CPCC22C38/04C22C38/005C22C38/02C22C38/14
Inventor 邵晓峰
Owner SUZHOU DOUBLE GOLD IND
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