CN101658985B - High chromium cast iron core wear resisting surfacing deposited electrode - Google Patents
High chromium cast iron core wear resisting surfacing deposited electrode Download PDFInfo
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- CN101658985B CN101658985B CN2009103079349A CN200910307934A CN101658985B CN 101658985 B CN101658985 B CN 101658985B CN 2009103079349 A CN2009103079349 A CN 2009103079349A CN 200910307934 A CN200910307934 A CN 200910307934A CN 101658985 B CN101658985 B CN 101658985B
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Abstract
The invention discloses a high chromium cast iron core wear resisting surfacing deposited electrode which comprises an external applying coating and a core-welding wire, wherein the coating comprises 3-5% of Al, 4-8% of mud graphite, and 3-7% by weight, and total percentage is 100%; the core-welding wire comprises according to weight percentage: a first solution as follows: 2.0-2.8% of C, 22-30% of Cr, 1.5-2.5% of Mn, 0.8-1.6% of Si, 1.8-3.0% of Mo, and the balance Fe, and total percentage is 100%; a second solution as follows: 2.2-3.0% of C, 22-30%of Cr,1.5-2.5% of Mn, 0.8-1.6% of Si,1.8-3.0% of Mo,1.0-2.0% of B, less than 0.05% of S, less than 0.1% of P, the balance Fe, and total percentage is 100%; a third solution as follows: 2.0-2.8% of C, 20-28% of Cr, 1.5-2.5% of Mn, 0.8-1.6% of Si, 1.8-3.0% of Mo, 1.0-2.0% of B, less than 0.05% of S, less than 0.1% of P, and the balance Fe, and total percentage is 100%; a fourth solution is as follows: 1.6-2.6% of C, 18-28% of Cr, 1.5-2.5% of Mn, 0.8-1.6% of Si, 1.8-3.0% of Mo, 1.0-2.0% of B, less than 0.05% of S, less than 0.1% of P, and the balance Fe, and total percentage is 100%. The electrode has good effect and is simple to manufacture.
Description
Technical field
The invention belongs to technical field of welding materials, be specifically related to high chromium cast iron core wear resisting surfacing deposited electrode.
Background technology
As extraordinary welding material, wear resisting surfacing deposited electrode is made with engineering fields such as reparations indispensable at equipment, especially when the manufacturing of industries such as metallurgy, mine, machinery and water conservancy and hydropower equipment and reparation.On the one hand, arc surfacing can be used for the reparation of attrition parts, can recover accessory size, can obtain the surface that wearability strengthens again.On the other hand, technique for overlaying is applied to the new product manufacturing more and more, and the antifriction metal (AFM) heap is applied at component surface, not only gives part good surface abrasion resistance, and reduces manufacturing cost.
As the important component part in technique for overlaying field, the research and development of the novel surfacing welding efficient, cheap, that adaptability is extensive are the research emphasis in technique for overlaying field with using always.The conventional stack welding rod adopts carbon steel core to be coated with the method preparation of alloying coating outward, and the welding rod production technology is simple, the production efficiency height, but in the welding rod welding process, not only the alloy scaling loss is serious, and element transition rate is low, and element skewness in the deposited metal, overlay cladding performance boost space is less.
Summary of the invention
The object of the present invention is to provide four kinds of high chromium cast iron core wear resisting surfacing deposited electrodes, its alloying level height, melting loss of elements is few, transition rate height; During deposited metal, the alloying element content controllability is good in the deposited metal, and is evenly distributed, and the overlay cladding performance is higher.
The technical solution adopted in the present invention is, a kind of high chromium cast iron core wear resisting surfacing deposited electrode, coating by core wire and external application is formed, described core wire is made up of following compositions in weight percentage: C 2.0%-2.8%, Cr 22%-30%, Mn 1.5%-2.5%, Si 0.8%-1.6%, Mo 1.8%-3.0%, B 1.0%-2.0%, S＜0.05%, P＜0.1%, all the other are Fe, add up to 100%; Described coating is made up of following compositions in weight percentage: 35%-45%CaCO
3, 20%-30%CaF
2, 6%-8%SiO
2, 3%-5%Al, 4%-8% mudstone China ink, 3%-7%Cr
2O
3, 4-6%NaCO
3, 6%-8%TiO
2, add up to 100%.
Another technical scheme of the present invention is, a kind of high chromium cast iron core wear resisting surfacing deposited electrode, coating by core wire and external application is formed, described core wire is made up of following compositions in weight percentage: C 2.2%-3.0%, Cr 22%-30%, Mn 1.5%-2.5%, Si 0.8%-1.6%, Mo 1.8%-3.0%, B 1.0%-2.0%, S＜0.05%, P＜0.1%, all the other are Fe, add up to 100%; Described coating is made up of following compositions in weight percentage: 35%-45%CaCO
3, 20%-30%CaF
2, 6%-8%SiO
2, 3%-5%Al, 4%-8% mudstone China ink, 3%-7%Cr
2O
3, 4-6%NaCO
3, 6%-8%TiO
2, add up to 100%.
The third technical scheme of the present invention is, a kind of high chromium cast iron core wear resisting surfacing deposited electrode, coating by core wire and external application is formed, described core wire is made up of following compositions in weight percentage: C 2.0%-2.8%, Cr 20%-28%, Mn1.5%-2.5%, Si 0.8%-1.6%, Mo 1.8%-3.0%, B 1.0%-2.0%, S＜0.05%, P＜0.1%, all the other are Fe, add up to 100%; Described coating is made up of following compositions in weight percentage: 35%-45%CaCO
3, 20%-30%CaF
2, 6%-8%SiO
2, 3%-5%Al, 4%-8% mudstone China ink, 3%-7%Cr
2O
3, 4-6%NaCO
3, 6%-8%TiO
2, add up to 100%.
The 4th kind of technical scheme of the present invention is, a kind of high chromium cast iron core wear resisting surfacing deposited electrode, coating by core wire and external application is formed, described core wire is made up of following compositions in weight percentage: C 1.6%-2.6%, Cr 18%-28%, Mn1.5%-2.5%, Si 0.8%-1.6%, Mo 1.8%-3.0%, B 1.0%-2.0%, S＜0.05%, P＜0.1%, all the other are Fe, add up to 100%; Described coating is made up of following compositions in weight percentage: 35%-45%CaCO
3, 20%-30%CaF
2, 6%-8%SiO
2, 3%-5%Al, 4%-8% mudstone China ink, 3%-7%Cr
2O
3, 4-6%NaCO
3, 6%-8%TiO
2, add up to 100%.
Above-mentioned welding rod of the present invention all adopts the rich chromium cast iron core wire to be coated with CaO-CaF outward
2-SiO
2-G type coating is prepared from, and can use dc source, implements welding under less current condition, and arc stability is good, and the rubescent degree of coating is lighter; The removability of slag and crack resistance are good; The overlay cladding average hardness is higher, is particularly suitable for the manufacturing and the reparation of industry equipments such as metallurgy, mine, machinery and water conservancy and hydropower.
The specific embodiment
The present invention is described in detail below in conjunction with the specific embodiment.
High chromium cast iron core wear resisting surfacing deposited electrode of the present invention, comprise rich chromium cast iron core wire and coating two parts composition, rich chromium cast iron core wire wherein adopts the molten iron liquid of joining low impurity content of electric furnace, carry out multi-element alloyed processing with alloying elements such as Cr, Mn, Si, Mo and B, pour into the rich chromium cast iron core wire of Ф 5mm * 400mm or other specifications, the core wire of this welding rod by weight percentage, and, following several different proportioning situation is arranged according to the difference of high chromium cast iron core wear resisting surfacing deposited electrode applicable object:
1), when welding rod of the present invention is used for the surface overlaying of mild steel part, the core wire of this welding rod adopts following compositions in weight percentage to form:
C 2.0%-2.8%, Cr 22%-30%, Mn 1.5%-2.5%, Si 0.8%-1.6%, Mo 1.8%-3.0%, B 1.0%-2.0%, S＜0.05%, P＜0.1%, all the other are Fe, add up to 100%.
2), when welding rod of the present invention is used for the surface overlaying of medium carbon alloy steel part, the core wire of this welding rod adopts following compositions in weight percentage to form:
C 2.2%-3.0%, Cr 22%-30%, Mn 1.5%-2.5%, Si 0.8%-1.6%, Mo 1.8%-3.0%, B 1.0%-2.0%, S＜0.05%, P＜0.1%, all the other are Fe, add up to 100%.
3), when welding rod of the present invention is used for the surface overlaying of 16Mn steel part, the core wire of this welding rod adopts following compositions in weight percentage to form:
C 2.0%-2.8%, Cr 20%-28%, Mn 1.5%-2.5%, Si 0.8%-1.6%, Mo 1.8%-3.0%, B 1.0%-2.0%, S＜0.05%, P＜0.1%, all the other are Fe, add up to 100%.
4), when welding rod of the present invention is used for the surface overlaying of low-alloy high-strength steel part, the core wire of this welding rod adopts following compositions in weight percentage to form:
C 1.6%-2.6%, Cr 18%-28%, Mn 1.5%-2.5%, Si 0.8%-1.6%, Mo 1.8%-3.0%, B 1.0%-2.0%, S＜0.05%, P＜0.1%, all the other are Fe, add up to 100%.
In the core wire composition of high chromium cast iron core wear resisting surfacing deposited electrode of the present invention, the composition of each chemical element and content limit reason: obtain the higher good corrosion resistance of wearability in order to make surfacing layer metal, the ratio of phosphorus content and chrome content is all higher in the core wire, between 8-10, addition is respectively: C 1.6%-3.0%, 18%-30%Cr.In order to improve surfacing layer metal hardness, toughness and high-hardenability, molybdenum, manganese and boron element have also been added in the core wire.The transition rate consideration that the adding of silicon then is based on the deoxidation in the weld deposit process and improves chromium.
The coating of welding rod of the present invention is made up of following compositions in weight percentage:
35%-45%CaCO
3, 20%-30%CaF
2, 6%-8%SiO
2, 3%-5%Al, 4%-8% mudstone China ink, 3%-7%Cr
2O
3, 4%-6%NaCO
3, 6%-8%TiO
2, add up to 100%.
Chemical coating of welding electrode of the present invention is selected CaO-CaF for use
2-SiO
2-G slag system by adding a certain amount of Al powder and mudstone China ink, can obviously improve recovery.
The preparation method of high chromium cast iron core wear resisting surfacing deposited electrode of the present invention is:
Step 1, preparation core wire are according to different schemes, by corresponding each component of weighing of percentage by weight of above-mentioned several situations; Adopt again that electric furnace is molten mixes the mixing of stating each component and melt liquid and carry out multi-element alloyed processing, pour into the rich chromium cast iron core wire of Ф 5mm * 400mm.
Step 2, preparation coating, the following component of weighing by weight percentage: 35%-45%CaCO
3, 20%-30%CaF
2, 6%-8%SiO
2, 3%-5%Al, 4%-8% mudstone China ink, 3%-7%Cr
2O
3, 4%-6%NaCO
3, 6%-8%TiO
2, add up to 100%, fully mixed preparing obtains CaO-CaF
2-SiO
2-G is coating dressing.
Step 3, the coating dressing that step 2 is obtained are coated on the rich chromium cast iron core wire that step 1 obtains, and drying promptly can be made into high chromium cast iron core wear resisting surfacing deposited electrode.
Embodiment 1
When rich chromium cast iron core wire welding rod of the present invention is used for the surface overlaying of mild steel part,
Step 1, preparation core wire, the following component of weighing by weight percentage: C 2.0%, Cr 25%, Mn 2.5%, Si0.8%, Mo 2.5%, B 1.0%, S 0.04%, P 0.02%, all the other are Fe, add up to 100%; Adopt again that electric furnace is molten mixes the mixing of stating each component and melt liquid and carry out multi-element alloyed processing, pour into the rich chromium cast iron core wire of Ф 5mm * 400mm.
Step 2, preparation coating, the following component of weighing by weight percentage: 35%CaCO
3, 30%CaF
2, 8%SiO
2, 4%Al, 4% mudstone China ink, 7%Cr
2O
3, 4%NaCO
3, 8%TiO
2, add up to 100%, fully mixed preparing obtains CaO-CaF
2-SiO
2-G is coating dressing.
Step 3, the coating dressing that step 2 is obtained are coated on the rich chromium cast iron core wire that step 1 obtains, and drying promptly can be made into high chromium cast iron core wear resisting surfacing deposited electrode.
Embodiment 2
When rich chromium cast iron core wire welding rod of the present invention is used for the surface overlaying of mild steel part, according to the step of embodiment 1, prepare according to the respective components content among the embodiment shown in table 1, the table 22, obtain high chromium cast iron core wear resisting surfacing deposited electrode.
Embodiment 3
When rich chromium cast iron core wire welding rod of the present invention is used for the surface overlaying of mild steel part, according to the step of embodiment 1, prepare according to the respective components content among the embodiment shown in table 1, the table 23, obtain high chromium cast iron core wear resisting surfacing deposited electrode.
Table 1, the core wire content of embodiment 1-3 (unit is %)
| Component | C | Cr | Mn | Si | Mo | B | S | P | Fe |
| Embodiment 1 | 2.0 | 25 | 2.5 | 0.8 | 2.5 | 1.0 | 0.04 | 0.02 | 66.14 |
| Embodiment 2 | 2.5 | 22 | 1.5 | 1.4 | 3.0 | 2.0 | 0.03 | 0.03 | 67.54 |
| Embodiment 3 | 2.8 | 30 | 2 | 1.6 | 1.8 | 1.5 | 0.02 | 0.04 | 60.24 |
Table 2, the coating content of embodiment 1-3 (unit is %)
| Component | CaCO 3 | CaF 2 | SiO 2 | Al | The mudstone China ink | Cr 2O 3 | NaCO 3 | TiO 2 |
| Embodiment 1 | 35 | 30 | 8 | 4 | 4 | 7 | 4 | 8 |
| Embodiment 2 | 43 | 20 | 7 | 5 | 7 | 5 | 6 | 7 |
| Embodiment 3 | 45 | 24 | 6 | 3 | 8 | 3 | 5 | 6 |
Embodiment 4
When rich chromium cast iron core wire welding rod of the present invention is used for the surface overlaying of medium carbon alloy steel part, according to the step of embodiment 1, prepare according to the respective components content among the embodiment shown in table 3, the table 44, obtain high chromium cast iron core wear resisting surfacing deposited electrode.
Embodiment 5
When rich chromium cast iron core wire welding rod of the present invention is used for the surface overlaying of medium carbon alloy steel part, according to the step of embodiment 1, prepare according to the respective components content among the embodiment shown in table 3, the table 45, obtain high chromium cast iron core wear resisting surfacing deposited electrode.
Embodiment 6
When rich chromium cast iron core wire welding rod of the present invention is used for the surface overlaying of medium carbon alloy steel part, according to the step of embodiment 1, prepare according to the respective components content among the embodiment shown in table 3, the table 46, obtain high chromium cast iron core wear resisting surfacing deposited electrode.
Table 3, the core wire content of embodiment 4-6 (unit is %)
| Component | C | Cr | Mn | Si | Mo | B | S | P | Fe |
| Embodiment 4 | 2.2 | 22 | 2.5 | 0.8 | 2.0 | 1.0 | 0.01 | 0.05 | 69.44 |
| Embodiment 5 | 2.7 | 28 | 1.5 | 1.0 | 3.0 | 2.0 | 0.03 | 0.03 | 61.74 |
| Embodiment 6 | 3.0 | 30 | 2.0 | 1.6 | 1.8 | 1.8 | 0.02 | 0.04 | 59.74 |
Table 4, the coating content of embodiment 4-6 (unit is %)
| Component | CaCO 3 | CaF 2 | SiO 2 | Al | The mudstone China ink | Cr 2O 3 | NaCO 3 | TiO 2 |
| Embodiment 4 | 35 | 30 | 8 | 4 | 4 | 7 | 6 | 6 |
| Embodiment 5 | 44 | 20 | 7 | 5 | 7 | 6 | 4 | 7 |
| Embodiment 6 | 45 | 22 | 6 | 3 | 8 | 3 | 5 | 8 |
Embodiment 7
When rich chromium cast iron core wire welding rod of the present invention is used for the surface overlaying of 16Mn steel part, according to the step of embodiment 1, prepare according to the respective components content among the embodiment shown in table 5, the table 67, obtain high chromium cast iron core wear resisting surfacing deposited electrode.
Embodiment 8
When rich chromium cast iron core wire welding rod of the present invention is used for the surface overlaying of 16Mn steel part, according to the step of embodiment 1, prepare according to the respective components content among the embodiment shown in table 5, the table 68, obtain high chromium cast iron core wear resisting surfacing deposited electrode.
Embodiment 9
When rich chromium cast iron core wire welding rod of the present invention is used for the surface overlaying of 16Mn steel part, according to the step of embodiment 1, prepare according to the respective components content among the embodiment shown in table 5, the table 69, obtain high chromium cast iron core wear resisting surfacing deposited electrode.
Table 5, the core wire content of embodiment 7-9 (unit is %)
| Component | C | Cr | Mn | Si | Mo | B | S | P | Fe |
| Embodiment 7 | 2.0 | 28 | 2.5 | 0.8 | 2.0 | 2.0 | 0.01 | 0.02 | 62.67 |
| Embodiment 8 | 2.2 | 23 | 1.5 | 1.0 | 3.0 | 1.0 | 0.03 | 0.03 | 68.24 |
| Embodiment 9 | 2.8 | 20 | 1.8 | 1.6 | 1.8 | 1.5 | 0.02 | 0.01 | 70.47 |
Table 6, the coating content of embodiment 7-9 (unit is %)
| Component | CaCO 3 | CaF 2 | SiO 2 | Al | The mudstone China ink | Cr 2O 3 | NaCO 3 | TiO 2 |
| Embodiment 7 | 35 | 30 | 8 | 4 | 4 | 7 | 4 | 8 |
| Embodiment 8 | 43 | 20 | 7 | 5 | 7 | 5 | 6 | 7 |
| Embodiment 9 | 45 | 24 | 6 | 3 | 8 | 3 | 5 | 6 |
Embodiment 10
When rich chromium cast iron core wire welding rod of the present invention is used for the surface overlaying of low-alloy high-strength steel part, step according to embodiment 1, prepare according to the respective components content among the embodiment shown in table 7, the table 8 10, obtain high chromium cast iron core wear resisting surfacing deposited electrode.
Embodiment 11
When rich chromium cast iron core wire welding rod of the present invention is used for the surface overlaying of low-alloy high-strength steel part, step according to embodiment 1, prepare according to the respective components content among the embodiment shown in table 7, the table 8 11, obtain high chromium cast iron core wear resisting surfacing deposited electrode.
Embodiment 12
When rich chromium cast iron core wire welding rod of the present invention is used for the surface overlaying of low-alloy high-strength steel part, step according to embodiment 1, prepare according to the respective components content among the embodiment shown in table 7, the table 8 12, obtain high chromium cast iron core wear resisting surfacing deposited electrode.
Table 7, the core wire content of embodiment 10-12 (unit is %)
| Component | C | Cr | Mn | Si | Mo | B | S | P | Fe |
| Embodiment 10 | 1.6 | 20 | 2.5 | 0.8 | 2.6 | 1.0 | 0.01 | 0.02 | 71.47 |
| Embodiment 11 | 1.8 | 18 | 2 | 1.0 | 3.0 | 2.0 | 0.01 | 0.01 | 72.18 |
| Embodiment 12 | 2.6 | 28 | 1.5 | 1.6 | 1.8 | 1.4 | 0.02 | 0.01 | 63.07 |
Table 8, the coating content of embodiment 10-12 (unit is %)
| Component | CaCO 3 | CaF 2 | SiO 2 | Al | The mudstone China ink | Cr 2O 3 | NaCO 3 | TiO 2 |
| Embodiment 10 | 35 | 30 | 8 | 4 | 4 | 7 | 6 | 6 |
| Embodiment 11 | 44 | 20 | 7 | 5 | 7 | 6 | 4 | 7 |
| Embodiment 12 | 45 | 22 | 6 | 3 | 8 | 3 | 5 | 8 |
Among the above embodiment, it is as shown in table 9 that the welding rod that utilizes the embodiment of the invention to prepare carries out parameters of welding, the surfacing layer metal chemical analysis that the welding rod that utilizes the embodiment of the invention to prepare carries out after the built-up welding is as shown in table 10, and the hardness of surfacing layer metal is as shown in table 11.
The welding condition table that table 9 utilizes the welding rod of embodiment of the invention preparation to carry out built-up welding
| Built-up welding part material | Core diameter (Ф/mm) | Welding current (A) | Weldingvoltage (V) | Preheat temperature (℃) |
| 30CrMnSi | 5 | 200～300 | 20-40 | 300 |
| Q235 | 5 | 200～250 | 20-40 | 150 |
| 16Mn | 5 | 200～300 | 20-40 | 150 |
Table 10 utilizes the surfacing layer metal chemical analysis table (weight %) after the welding rod of embodiment of the invention preparation carries out built-up welding
Table 11, the welding rod that utilizes the embodiment of the invention to prepare carries out the hardness parameter table (HRC) of the surfacing layer metal after the built-up welding
Welding rod of the present invention adopts rich chromium cast iron core wire external application CaO-CaF
2-SiO
21), can use dc source-G is that coating is prepared from, and its characteristics are as follows:, weld under less current condition, arc stability is good, and the rubescent degree of coating is lighter.2), the removability of slag of welding rod is suitable with the J507 welding rod, crack resistance is good.3), under the manual electric arc pile up welding condition, the recovery of C, Cr element is respectively 0.70-0.95 and 0.77-0.96.4), the overlay cladding average hardness is up to 60HRC.Welding rod of the present invention is particularly suitable for the manufacturing and the reparation of industry equipments such as metallurgy, mine, machinery and water conservancy and hydropower.
Claims (4)
1. a high chromium cast iron core wear resisting surfacing deposited electrode is made up of the coating of core wire and external application, it is characterized in that,
Described core wire is made up of following compositions in weight percentage: C 2.0%-2.8%, Cr 22%-30%, Mn 1.5%-2.5%, Si 0.8%-1.6%, Mo 1.8%-3.0%, B 1.0%-2.0%, S＜0.05%, P＜0.1%, all the other are Fe, add up to 100%;
Described coating is made up of following compositions in weight percentage: 35%-45%CaCO3,20%-30%CaF2,6%-8%SiO2,3%-5%Al, 4%-8% mudstone China ink, 3%-7%Cr2O3,4-6%NaCO3,6%-8%TiO2 add up to 100%.
2. a high chromium cast iron core wear resisting surfacing deposited electrode is made up of the coating of core wire and external application, it is characterized in that,
Described core wire is made up of following compositions in weight percentage: C 2.2%-3.0%, Cr 22%-30%, Mn 1.5%-2.5%, Si 0.8%-1.6%, Mo 1.8%-3.0%, B 1.0%-2.0%, S＜0.05%, P＜0.1%, all the other are Fe, add up to 100%;
Described coating is made up of following compositions in weight percentage: 35%-45%CaCO3,20%-30%CaF2,6%-8%SiO2,3%-5%Al, 4%-8% mudstone China ink, 3%-7%Cr2O3,4-6%NaCO3,6%-8%TiO2 add up to 100%.
3. a high chromium cast iron core wear resisting surfacing deposited electrode is made up of the coating of core wire and external application, it is characterized in that,
Described core wire is made up of following compositions in weight percentage: C 2.0%-2.8%, Cr 20%-28%, Mn 1.5%-2.5%, Si 0.8%-1.6%, Mo 1.8%-3.0%, B 1.0%-2.0%, S＜0.05%, P＜0.1%, all the other are Fe, add up to 100%;
Described coating is made up of following compositions in weight percentage: 35%-45%CaCO3,20%-30%CaF2,6%-8%SiO2,3%-5%Al, 4%-8% mudstone China ink, 3%-7%Cr2O3,4-6%NaCO3,6%-8%TiO2 add up to 100%.
4. a high chromium cast iron core wear resisting surfacing deposited electrode is made up of the coating of core wire and external application, it is characterized in that,
Described core wire is made up of following compositions in weight percentage: C 1.6%-2.6%, Cr 18%-28%, Mn 1.5%-2.5%, Si 0.8%-1.6%, Mo 1.8%-3.0%, B 1.0%-2.0%, S＜0.05%, P＜0.1%, all the other are Fe, add up to 100%;
Described coating is made up of following compositions in weight percentage: 35%-45%CaCO3,20%-30%CaF2,6%-8%SiO2,3%-5%Al, 4%-8% mudstone China ink, 3%-7%Cr2O3,4-6%NaCO3,6%-8%TiO2 add up to 100%.
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|---|---|---|---|
| CN2009103079349A CN101658985B (en) | 2009-09-29 | 2009-09-29 | High chromium cast iron core wear resisting surfacing deposited electrode |
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|---|---|---|---|
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| CN101658985B true CN101658985B (en) | 2011-10-05 |
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| CN102335798A (en) * | 2011-08-31 | 2012-02-01 | 吉林大学 | New high-chromium alloy cast iron surfacing material |
| CN104625473B (en) * | 2014-12-31 | 2017-01-25 | 江苏科技大学 | Wear resistant surfacing alloy material and preparing method thereof |
| CN117506230B (en) * | 2024-01-05 | 2024-03-15 | 成都工业学院 | Welding rod core wire and wear-resistant surfacing welding electrode |
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