CN104480424B - Method for nitriding nitrided steel 135 material - Google Patents
Method for nitriding nitrided steel 135 material Download PDFInfo
- Publication number
- CN104480424B CN104480424B CN201410716905.9A CN201410716905A CN104480424B CN 104480424 B CN104480424 B CN 104480424B CN 201410716905 A CN201410716905 A CN 201410716905A CN 104480424 B CN104480424 B CN 104480424B
- Authority
- CN
- China
- Prior art keywords
- nitriding
- sample
- temperature
- cleaned
- stage
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000005121 nitriding Methods 0.000 title claims abstract description 41
- 238000000034 method Methods 0.000 title claims abstract description 21
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 20
- 239000010959 steel Substances 0.000 title claims abstract description 20
- 239000000463 material Substances 0.000 title claims abstract description 17
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 32
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 16
- 238000010791 quenching Methods 0.000 claims abstract description 16
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims abstract description 12
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims abstract description 11
- 230000000171 quenching effect Effects 0.000 claims abstract description 11
- 239000004576 sand Substances 0.000 claims abstract description 7
- 238000005496 tempering Methods 0.000 claims abstract description 6
- 238000001816 cooling Methods 0.000 claims description 10
- 230000014759 maintenance of location Effects 0.000 claims description 10
- 238000004320 controlled atmosphere Methods 0.000 claims description 6
- 239000003607 modifier Substances 0.000 claims description 6
- 229910021529 ammonia Inorganic materials 0.000 claims description 5
- 239000000356 contaminant Substances 0.000 claims description 5
- 238000001035 drying Methods 0.000 claims description 5
- 238000009413 insulation Methods 0.000 claims description 5
- 238000009864 tensile test Methods 0.000 claims description 5
- 238000005260 corrosion Methods 0.000 abstract description 3
- 230000007797 corrosion Effects 0.000 abstract description 3
- 238000004321 preservation Methods 0.000 abstract 3
- 238000007664 blowing Methods 0.000 abstract 1
- 238000004140 cleaning Methods 0.000 abstract 1
- 230000035515 penetration Effects 0.000 description 6
- 239000000956 alloy Substances 0.000 description 3
- 229910045601 alloy Inorganic materials 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000006396 nitration reaction Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C8/06—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases
- C23C8/08—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases only one element being applied
- C23C8/24—Nitriding
- C23C8/26—Nitriding of ferrous surfaces
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
Abstract
The invention discloses a method for nitriding a nitrided steel 135 material. The method comprises the following steps: quenching and tempering before nitriding; carrying out a nitriding process, namely cleaning surface oil of a sample with gasoline and acetone, blowing sand to the sample with low-air pressure fine sand, putting the sample into a charging tray in a precise controllable atmosphere nitriding furnace, covering with a furnace lid, and introducing dried liquid ammonia, wherein at the first stage, the nitriding temperature is 512-520 DEG C, the heat preservation time is 1-1.5h, and nitrogen potential (Kn) is 6.3-8; at the second stage, the nitriding temperature is 520-555 DEG C, the heat preservation time is 6-10.5h, and nitrogen potential (Kn) is 0.65; the temperature when the heat preservation is ended is smaller than 100 DEG C. According to the method disclosed by the invention, the surface hardness, the abrasive resistance and the corrosion resistance of a steel piece can be improved.
Description
Technical field
The invention belongs to technical field of heat treatment technology, relate in particular to is a kind of nitriding of nitrated steel 135 material
Method.
Background technology
Nitrated steel 135 belongs to the external alloy knot hook Steel material trade mark, and its alloy consists of：C：0.38-0.43%, Cr：1.6%,
Mo：0.35%, AL：1.13%, AL element improves the hardness of nitration case strongly, and Cr, Mo element takes second place.At the heat of this material
Reason typically adopts modifier treatment, keeps its comprehensive mechanical performance, but specimen surface wearability, corrosion stability are bad.
Content of the invention
It is an object of the invention to the one kind overcoming disadvantages mentioned above and providing can improve steel object surface hardness, wearability, resist
The nitriding method of corrosive nitrated steel 135 material.
A kind of nitriding method of nitrated steel 135 material of the present invention, comprises the following steps：
（1）Modifier treatment before nitriding：
A, with gasoline, sample is cleaned up.
B, cleaned sample is put in vacuum oil quenching, carry out quenching, temper, technological parameter is as follows：
Hardening heat：940 ± 10 DEG C, temperature retention time:120-180 minute, oil cooling
Temperature：590 ± 10 DEG C, temperature retention time：180-210 minute, air cooling；
C, by quench tempering after sample be processed into tensile test bar, its mechanical property requirements is as follows：
Tensile strength（UTS）：150-200KSI
Hardness requirement： ≥34HRC
（2）Nitridation process
A, sample gasoline and acetone are cleaned up surface and oil contaminant
B, with low blast fine sand, sample is carried out blast.
C and then put into sample on the charging tray in accurate controlled atmosphere nitriding furnace, covers bell, is passed through after drying
Liquefied ammonia.
D, first stage：512-520 DEG C of nitriding temperature, is incubated 1-1.5h, nitrogen gesture（Kn）6.3-8；Second stage：Nitriding temperature
520-555 DEG C of degree, is incubated 6-10.5h, nitrogen gesture（Kn）0.65.Insulation end temp is less than 100 DEG C.
A kind of nitriding method of above-mentioned nitrated steel 135 material, wherein：Sample is first processed into the specification of φ 15x100.
The present invention compared with prior art, has obvious beneficial effect, as can be known from the above technical solutions：The present invention according to
Nitriding temperature is higher, and nitridation time is longer, and hardness has a declining tendency, but depth of penetration extends more and more deeply in time, and nitrogen
Change white with nitrogen gesture（Kn）There is substantial connection.After selecting nitriding temperature and time and nitrogenize required case hardness with
Depth of penetration, by selecting nitrogen gesture（Kn）To determine to nitrogenize layer tissue.Sample is made using nitrated steel 135 material, sample is clear
Wash, then blast is processed after removing surface film oxide；Sample is loaded in accurate controlled atmosphere nitriding furnace, is divided into two stages to carry out
Nitrogen treatment, makes the case hardness of material, depth of penetration, white, metallographic structure etc. precisely controlled.The present invention can improve steel
Part case hardness, wearability, corrosion resistance, may be used on other similar structural alloy steels.
The specific embodiment of the present invention is shown in detail in by following examples.
Specific embodiment
Describe the present invention with reference to example, be explained further and illustrate that technical scheme is special
Point.
Embodiment 1
A kind of nitriding method of nitrated steel 135 material, comprises the following steps：
（1）Modifier treatment before nitriding：
A, sample are processed into the specification of φ 15x100, are then cleaned up sample with gasoline.
B, cleaned sample is put in vacuum oil quenching, carry out quenching, temper, technological parameter is as follows：
Hardening heat：940 ± 10 DEG C, temperature retention time:120-180 minute, oil cooling
Temperature：590 ± 10 DEG C, temperature retention time：180-210 minute, air cooling；
C, by quench tempering after sample be processed into tensile test bar, its mechanical property requirements is as follows：
Tensile strength（UTS）：150-200KSI
Hardness requirement： ≥34HRC
（2）Nitridation process
A, sample gasoline and acetone are cleaned up surface and oil contaminant
B, with low blast fine sand, sample is carried out blast.
C and then put into sample on the charging tray in accurate controlled atmosphere nitriding furnace, covers bell, is passed through after drying
Liquefied ammonia.
D, first stage：512 DEG C of nitriding temperature, is incubated 1.5h, nitrogen gesture（Kn）8；Second stage：550 DEG C of nitriding temperature, protects
Warm 6h, nitrogen gesture（Kn）0.65.Insulation end temp is less than 100 DEG C.
Testing result：Case hardness：94HR15N, depth of penetration：0.19mm, fragility：I grade, white：2 μm, tissue：No net
Shape.
Embodiment 2
A kind of nitriding method of nitrated steel 135 material, comprises the following steps：
（1）Modifier treatment before nitriding：
A, sample are processed into the specification of φ 15x100, are then cleaned up sample with gasoline.
B, cleaned sample is put in vacuum oil quenching, carry out quenching, temper, technological parameter is as follows：
Hardening heat：940 ± 10 DEG C, temperature retention time:120-180 minute, oil cooling
Temperature：590 ± 10 DEG C, temperature retention time：180-210 minute, air cooling；
C, by quench tempering after sample be processed into tensile test bar, its mechanical property requirements is as follows：
Tensile strength（UTS）：150-200KSI
Hardness requirement： ≥34HRC
（2）Nitridation process
A, sample gasoline and acetone are cleaned up surface and oil contaminant
B, with low blast fine sand, sample is carried out blast.
C and then put into sample on the charging tray in accurate controlled atmosphere nitriding furnace, covers bell, is passed through after drying
Liquefied ammonia.
D, first stage：520 DEG C of nitriding temperature, is incubated 1h, nitrogen gesture（Kn）6.6；Second stage：555 DEG C of nitriding temperature, protects
Warm 7h, nitrogen gesture（Kn）0.65.Insulation end temp is less than 100 DEG C.
Testing result：Case hardness：93.7HR15N, depth of penetration：0.23mm, fragility：I grade, white：0 μm, tissue：
No netted.
Embodiment 3
A kind of nitriding method of nitrated steel 135 material, comprises the following steps：
（1）Modifier treatment before nitriding：
A, sample are processed into the specification of φ 15x100, are then cleaned up sample with gasoline.
B, cleaned sample is put in vacuum oil quenching, carry out quenching, temper, technological parameter is as follows：
Hardening heat：940 ± 10 DEG C, temperature retention time:120-180 minute, oil cooling
Temperature：590 ± 10 DEG C, temperature retention time：180-210 minute, air cooling；
C, by quench tempering after sample be processed into tensile test bar, its mechanical property requirements is as follows：
Tensile strength（UTS）：150-200KSI
Hardness requirement： ≥34HRC
（2）Nitridation process
A, sample gasoline and acetone are cleaned up surface and oil contaminant
B, with low blast fine sand, sample is carried out blast.
C and then put into sample on the charging tray in accurate controlled atmosphere nitriding furnace, covers bell, is passed through after drying
Liquefied ammonia.
D, first stage：520 DEG C of nitriding temperature, is incubated 1h, nitrogen gesture（Kn）6.3；Second stage：555 DEG C of nitriding temperature, protects
Warm 10.5h, nitrogen gesture（Kn）0.65.Insulation end temp is less than 100 DEG C.
Testing result：Case hardness：93.6HR15N, depth of penetration：0.29mm, fragility：I grade, white：0 μm, tissue：No
Netted.
Claims (3)
1. a kind of nitriding method of nitrated steel 135 material, comprises the following steps：
（1）Modifier treatment before nitriding：
A, with gasoline, sample is cleaned up；
B, cleaned sample is put in vacuum oil quenching, carry out quenching, temper, technological parameter is as follows：
Hardening heat：940 ± 10 DEG C, temperature retention time:120-180 minute, oil cooling
Temperature：590 ± 10 DEG C, temperature retention time：180-210 minute, air cooling；
（2）Nitridation process
A, sample gasoline and acetone are cleaned up surface and oil contaminant
B, with low blast fine sand, sample is carried out blast；
C and then put into sample on the charging tray in accurate controlled atmosphere nitriding furnace, covers bell, is passed through liquefied ammonia after drying；
D, first stage：512-520 DEG C of nitriding temperature, is incubated 1-1.5h, nitrogen gesture Kn6.3-8；Second stage：Nitriding temperature 520-
555 DEG C, it is incubated 6-10.5h, nitrogen gesture Kn0.65；Insulation end temp is less than 100 DEG C.
2. a kind of nitriding method of nitrated steel 135 material as claimed in claim 1, wherein：C, by quench tempering after sample add
Work becomes tensile test bar, and its mechanical property requirements is as follows：
Tensile strength UTS：150-200KSI
Hardness requirement：≥34HRC.
3. a kind of nitriding method of nitrated steel 135 material as claimed in claim 1 or 2, wherein：Sample is first processed into φ
The specification of 15x100.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410716905.9A CN104480424B (en) | 2014-12-02 | 2014-12-02 | Method for nitriding nitrided steel 135 material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410716905.9A CN104480424B (en) | 2014-12-02 | 2014-12-02 | Method for nitriding nitrided steel 135 material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104480424A CN104480424A (en) | 2015-04-01 |
| CN104480424B true CN104480424B (en) | 2017-02-22 |
Family
ID=52755024
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410716905.9A Active CN104480424B (en) | 2014-12-02 | 2014-12-02 | Method for nitriding nitrided steel 135 material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104480424B (en) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104820002A (en) * | 2015-04-16 | 2015-08-05 | 山东大学 | Quenched steel machining white layer detection method based on electrochemical detection device |
| KR102125804B1 (en) | 2015-09-08 | 2020-06-23 | 닛폰세이테츠 가부시키가이샤 | Nitrided steel parts and manufacturing method thereof |
| CN105238913A (en) * | 2015-11-02 | 2016-01-13 | 杭州持正科技股份有限公司 | Pin shaft of engine timing chain and tufftriding process |
| CN105886882A (en) * | 2016-05-26 | 2016-08-24 | 合肥和安机械制造有限公司 | Method for preparing forklift parking brake disc |
| CN106244979A (en) * | 2016-08-30 | 2016-12-21 | 贵州红林机械有限公司 | A kind of method of carbon Chromador Nitric white hardness in raising |
| JP6345320B1 (en) * | 2017-07-07 | 2018-06-20 | パーカー熱処理工業株式会社 | Surface hardening processing apparatus and surface hardening processing method |
| CN107779810B (en) * | 2017-12-24 | 2019-04-19 | 中国航发贵州红林航空动力控制科技有限公司 | A kind of 4Cr14Ni14W2The technique of Mo heat resisting steel rapid ion nitriding |
| CN108220870A (en) * | 2018-01-23 | 2018-06-29 | 滁州英诺信电器有限公司 | A kind of handware surfacecti proteon treatment process |
| CN109988991A (en) * | 2019-04-16 | 2019-07-09 | 苏州艾盾合金材料有限公司 | A kind of depth Nitriding Compound alloy bushing and cylinder and preparation method thereof |
| CN112593156A (en) * | 2020-12-09 | 2021-04-02 | 重庆红江机械有限责任公司 | Application of novel nitrided steel in manufacturing of diesel engine plunger and barrel assembly |
| CN115058681A (en) * | 2022-06-28 | 2022-09-16 | 江苏华东三和兴模具材料有限公司 | Nitriding production process for prolonging service life of die-casting die |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1067684A (en) * | 1991-06-15 | 1993-01-06 | 徐厚国 | Hot treating method for elastic parts |
| CN101343978A (en) * | 2008-08-05 | 2009-01-14 | 李保顺 | High-wind pressure impactor piston |
| CN101649441B (en) * | 2008-08-12 | 2011-07-27 | 贵州红林机械有限公司 | Process method for nitriding austenitic stainless steel material |
| JP2010229524A (en) * | 2009-03-27 | 2010-10-14 | Toyota Motor Corp | Nitrogen quenching method |
| CN102168275A (en) * | 2011-04-02 | 2011-08-31 | 上海电机学院 | Heat treatment technology for improving the surface hardness of precise rolling ball bearing |
-
2014
- 2014-12-02 CN CN201410716905.9A patent/CN104480424B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN104480424A (en) | 2015-04-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104480424B (en) | Method for nitriding nitrided steel 135 material | |
| JP5315790B2 (en) | High strength PC steel wire with excellent delayed fracture resistance | |
| JP5973903B2 (en) | High strength spring steel wire excellent in hydrogen embrittlement resistance, method for producing the same, and high strength spring | |
| WO2008123397A1 (en) | Case-hardened steel pipe excellent in workability and process for production thereof | |
| CN101649441B (en) | Process method for nitriding austenitic stainless steel material | |
| CN105382153A (en) | Production process of valve spring | |
| US11110741B2 (en) | Railway wheel | |
| KR102201443B1 (en) | Evaluation method for hydrogen delayed fracture properties of trip steel | |
| CN106244979A (en) | A kind of method of carbon Chromador Nitric white hardness in raising | |
| TWI544088B (en) | Vacuum carburizing steel and its manufacturing method | |
| CN104562050B (en) | A kind of preparation method of heavy-duty gear | |
| CN107058879A (en) | A kind of method for improving antiwear high manganese steel hardness | |
| CN105483556A (en) | Reinforcing method for high-strength tire bead steel wire material and preparation method for tire bead steel wires | |
| JPS60238418A (en) | Manufacturing method of suction rod for wet carbon dioxide environment | |
| KR101745210B1 (en) | High durability coil spring steel | |
| JPH08158035A (en) | Carburizing treatment for austenitic metal and austenitic metal product using the same | |
| KR20180067758A (en) | Coil spring steel | |
| JP2015010258A (en) | CARBURIZING METHOD OF HIGH-Si STEEL FOR CARBURIZING | |
| CN103849715B (en) | A kind of heat treating method reducing austenitic stainless cast steel part magnetic | |
| CN109182696B (en) | Nitriding surface modification method for third-generation carburized steel material | |
| CN110757254B (en) | Method for rapidly improving hydrogen embrittlement resistance of austenitic steel | |
| CN104711510A (en) | Method for manufacturing corrosion-resistant and high-strength building scaffold steel pipe | |
| CN202705401U (en) | Isothermal quenching workpiece strengthened by carburizing | |
| JP5366571B2 (en) | Iron-based alloy surface modification material, iron-based alloy surface modification method, and casting mold | |
| KR20110139530A (en) | Crankshaft Non-Steel Steel |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |