Improved axle alloy steel production process
A production process and technology of alloy steel, which is applied in the field of improved alloy steel production process for axles, can solve the problems of reducing production efficiency and increasing the operation cost of automobile axle assembly lines, so as to improve production quality, improve production process and improve strength and longevity effects
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Embodiment 1
[0019] Such as figure 1 As shown, a kind of improved axle alloy steel production process of the present embodiment is characterized in that it comprises the following process steps:
[0020] (1) Raw material preparation of alloy steel steel water: the mixed raw material elements in alloy steel steel water include C, Si, Mo, Cr, Ni, Ti, Nd, P, S and Fe respectively, and the weight ratios of each element are respectively: C is 2.3%, Si is 1.8%, Mo is 0.5%, Cr is 1.2%, Ni is 1.0%, Ti is 1.0%, Nd is 0.03%, P is 0.04%, S is 0.06%, and the rest is Fe. ;
[0021] (2) Composite modification treatment of molten steel: the composite modification agent is placed on the bottom of the ladle, and the molten steel is carried out to the composite modification treatment by the pouring method in the ladle, wherein the chemical composition weight percentage of the composite modification agent is 45% for FeV50, FeSiRe21 is 23%, FeBa5Si60 is 20%, and the rest is yttrium-based rare earth, and the...
Embodiment 2
[0025] Embodiment 2: all the other are identical with embodiment 1, difference is that in the described step (1), the weight ratio of each element is respectively: C is 2.4%, Si is 2.0%, Mo is 0.6%, Cr is 1.3% , Ni is 1.2%, Ti is 1.2%, Nd is 0.05%, P is 0.04%, S is 0.06%, and all the other are Fe, and in the described step (2) in the composite modificator, chemical component weight percent is that FeV50 is 47% %, FeSiRe21 is 24%, FeBa5Si60 is 21%, and the rest are yttrium-based rare earths. The compound modification treatment temperature is 1710°C in the step (2), and the heating and casting temperature in the step (3) is 1530°C. In the cooling treatment of (4), the casting is air-cooled to 520° C. and then water-cooled. In the phosphating treatment of the step (5), the treatment temperature is 85° C., and the treatment time is 1.1 h.
Embodiment 3
[0026] Example 3: the rest are the same as Example 1, except that the weight ratio of each element in the step (1) is respectively: C is 2.5%, Si is 2.3%, Mo is 0.7%, and Cr is 1.5% , Ni is 1.3%, Ti is 1.3%, Nd is 0.07%, P is 0.04%, S is 0.06%, and all the other are Fe, and in the described step (2), chemical component weight percentage is that FeV50 is 48% in the composite modificator. %, FeSiRe21 is 25%, FeBa5Si60 is 22%, and the rest are yttrium-based rare earths. The compound modification treatment temperature is 1720°C in the step (2), and the heating and casting temperature in the step (3) is 1550°C. In the cooling treatment of (4), the casting is air-cooled to 550° C. and then water-cooled. In the phosphating treatment of the step (5), the treatment temperature is 90° C., and the treatment time is 1.2 hours.
[0027] After the above process steps, the alloy steel sample was taken out to obtain the following data:
[0028]
[0029]
[0030] It can be seen from the...
PUM
| Property | Measurement | Unit |
|---|---|---|
| Tensile strength | aaaaa | aaaaa |
Abstract
Description
Claims
Application Information
Login to View More