CN108384927A - A kind of heat treatment method of 17-4PH materials - Google Patents
A kind of heat treatment method of 17-4PH materials Download PDFInfo
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/18—Hardening; Quenching with or without subsequent tempering
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/74—Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material
- C21D1/773—Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material under reduced pressure or vacuum
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D6/00—Heat treatment of ferrous alloys
- C21D6/004—Heat treatment of ferrous alloys containing Cr and Ni
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D6/00—Heat treatment of ferrous alloys
- C21D6/005—Heat treatment of ferrous alloys containing Mn
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D6/00—Heat treatment of ferrous alloys
- C21D6/008—Heat treatment of ferrous alloys containing Si
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/42—Ferrous alloys, e.g. steel alloys containing chromium with nickel with copper
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/48—Ferrous alloys, e.g. steel alloys containing chromium with nickel with niobium or tantalum
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Abstract
The invention discloses a kind of heat treatment methods of 17 4PH materials, include the following steps：Solution treatment：Under vacuum, be heated to 830 870 DEG C heat preservation 23 hours after, be again heated to 1,030 1070 DEG C keep the temperature 23 hours, be then passed through into stove nitrogen cooling；Ageing treatment：Under vacuum, be heated to 480 600 DEG C heat preservation 45 hours after, be passed through into stove nitrogen cooling；Wherein, when to the 17 4PH materials solution treatment and ageing treatment, respectively the 17 4PH materials are made to respectively reach corresponding holding temperature by heating up step by step.The 17 4PH materials prepared through the invention not only can be on cryogenic turbomachinery rotary part, and can have the workpiece of low temperature requirements on 17 4PH materials with other.
Description
Technical field
The invention belongs to technical field of heat treatment technology, and in particular to a kind of heat treatment method of 17-4PH materials, more
It is specifically related to a kind of heat treatment method for the turbomachinery rotary part 17-4PH materials under worst cold case.
Background technology
Currently, turbomachinery is a kind of vaned dynamical type fluid machinery of tool, common feature is equipped with turning for blade
Son makees high speed rotary motion, and when fluid (gas or liquid) flows through channel between blade, the phase of power is generated between blade and fluid
Interaction, so as to realizing energy conversion.
But as the 17-4PH materials for preparing turbomachinery rotary part, the performance after existing heat treatment process,
But it can not be made to be used under the operating mode of lower temperature, therefore expensive compared with relative price can only be selected under worst cold case
Material, having in turn resulted in turbomachinery, increased production cost.
Invention content
Place in view of the deficiency of the prior art, the present invention provides a kind of heat treatment sides of 17-4PH materials
Method.
In order to reach foregoing invention purpose, the technical solution adopted by the present invention is as follows：
A kind of heat treatment method of 17-4PH materials, includes the following steps：
Solution treatment：Under vacuum, be heated to 830-870 DEG C heat preservation 2-3 hours after, be again heated to 1030-1070
DEG C heat preservation 2-3 hour, be then passed through into stove nitrogen cool down；
Ageing treatment：Under vacuum, be heated to 480-600 DEG C heat preservation 4-5 hours after, it is cold that nitrogen is passed through into stove
But；
Wherein, when to the 17-4PH materials solution treatment and ageing treatment, respectively by heat up step by step make it is described
17-4PH materials respectively reach corresponding holding temperature.
Further, it is carried out between solution treatment and ageing treatment to the 17-4PH materials, also to the 17-4PH
Material is adjusted processing, and the adjustment processing includes the following steps：
Under vacuum, be heated to 630-670 DEG C heat preservation 2-3 hour after, be again heated to 830-870 DEG C keep the temperature 2-3 it is small
When, nitrogen cooling is then passed through into stove.
Further, the heating speed for being heated to 630-670 DEG C of the adjustment processing is 80-100 DEG C/h, described
The heating speed for being heated to 830-870 DEG C of adjustment processing is 50-80 DEG C/h.
Further, the adjustment processing is passed through the cooling of 2Bar nitrogen into stove, and cooling velocity is 80-100 DEG C/h,
It is cooled to 50-60 DEG C.
Further, the heating speed that the solution treatment is heated to 830-870 DEG C is 80-100 DEG C/h, described solid
The heating speed that molten processing is heated to 1030-1070 DEG C is 50-80 DEG C/h.
Further, the solution treatment be passed through into stove 1.5Bar nitrogen cooling, cooling velocity be 50-80 DEG C/it is small
When, it is cooled to 50-60 DEG C.
Further, the heating speed that the ageing treatment is heated to 480-600 DEG C is 50-80 DEG C/h.
Further, the ageing treatment be passed through into stove 1.5Bar nitrogen cooling, cooling velocity be 50-80 DEG C/it is small
When, it is cooled to 50-60 DEG C.
Further, the chemical composition of the 17-4PH materials and weight percent are：C：0.05-0.07%； Mn：
0.7-1.0%；P：0.04-0.05%；S：0.02-0.03%；Si：0.8-1.0%；Cu：3.0-5.0%； Ni：3.0-
5.0%；Cr：15-17.5%；Nb：0.15-0.45%；Fe：Surplus.
Further, turbomachinery rotating part is used to prepare by the 17-4PH materials that the heat treatment method obtains
Part.
The present invention provides a kind of heat treatment methods of 17-4PH materials, can not only be used in cryogenic turbomachinery rotating part
On part, and there can be the workpiece of low temperature requirements on 17-4PH materials with other.In the present invention by different temperatures
Under solution treatment, so that various phases in material is fully dissolved, Intensive intervention body, and improve toughness and etch resistant properties eliminates stress
With softening, so as to continue process or be molded；And by controlling aging temperature in 480-600 DEG C of range, to control heat treatment
The performance of 17-4PH materials and workable minimum temperature afterwards, allow 17-4PH materials to be used under lower temperature operating mode, into
And making turbomachinery rotary part under corresponding low temperature, ideal mechanical property replaces relative price thereby using 17-4PH materials
Expensive material, with effectively save cost.
Specific implementation mode
To overcome deficiency in the prior art, the present invention to provide a kind of heat treatment method of 17-4PH materials.To make this hair
Bright purpose, technical scheme and advantage are clearer, below in conjunction with the preferred embodiment of the present invention, in the embodiment of the present invention
Technical solution be further described in more detail.Described embodiments are some of the embodiments of the present invention, rather than whole
Embodiment.It is exemplary below with reference to the embodiment of description, it is intended to for explaining the present invention, and should not be understood as to this
The limitation of invention.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts
The every other embodiment obtained, shall fall within the protection scope of the present invention.It is detailed with reference to being carried out to the embodiment of the present invention
It describes in detail bright.
An embodiment of the present invention provides a kind of heat treatment methods of 17-4PH materials, include the following steps：
Solution treatment：Under vacuum, the heating speed for being 80-100 DEG C/h with heating speed makes heating in stove
Make to be heated in stove for 50-80 DEG C/h of heating speed to 830-870 DEG C of heat preservation 2-3 hour, then with heating speed
1030-1070 DEG C keep the temperature 2-3 hour, be then passed through in Xiang Xianglu 1.5Bar nitrogen cooling, cooling velocity for 50-80 DEG C/it is small
When, it is cooled to 50-60 DEG C；
Adjustment is handled：Under vacuum, the heating speed for being 80-100 DEG C/h with heating speed makes heating in stove
Make to be heated in stove for 50-80 DEG C/h of heating speed to 630-670 DEG C of heat preservation 2-3 hour, then with heating speed
830-870 DEG C keeps the temperature 2-3 hours, the cooling of 2Bar nitrogen is then passed through into stove, cooling velocity is 80-100 DEG C/h, cooling
To 50-60 DEG C；
Ageing treatment：Under vacuum, the heating speed for being 50-80 DEG C/h with heating speed, makes to be heated in stove
After 480-600 DEG C keeps the temperature 4-5 hours, the cooling of 1.5Bar nitrogen is passed through into stove, cooling velocity is 50-80 DEG C/h, is cooled to
50-60℃；
Wherein, when to the solution treatment of 17-4PH materials and ageing treatment, respectively make the 17- by heating up step by step
4PH materials respectively reach corresponding holding temperature.
The chemical composition and weight percent of 17-4PH materials be：C：0.05-0.07%；Mn：0.7-1.0%；P：0.04-
0.05%；S：0.02-0.03%；Si：0.8-1.0%；Cu：3.0-5.0%；Ni：3.0-5.0%； Cr：15-17.5%；Nb：
0.15-0.45%；Fe：Surplus.
Further, the 17-4PH materials obtained by heat treatment method are used to prepare turbomachinery rotary part.
The present invention by solution treatment at different temperatures, so that various phases in material is fully dissolved, Intensive intervention body, and
Toughness and etch resistant properties are improved, stress and softening are eliminated, to continue to process or to be molded；Again by 630 DEG C -670 DEG C and
It is adjusted processing in 830-870 DEG C of two temperature ranges, secondary precipitation can be carried out to the carbide in 17-4PH materials,
The amount of precipitation bigger for making Carbide Precipitation, tissue generates stabilization of austenite after so that adjustment is handled, and then makes austenite as far as possible
Martensite transfor mation mostly occurs；Adjustment treated 17-4PH is finally subjected to ageing treatment, passes through and controls aging temperature
In 480-600 DEG C of range, to control the performance and workable minimum temperature of 17-4PH materials after heat treatment, make 17-4PH materials
It can be used under lower temperature operating mode, and then make turbomachinery rotary part under corresponding low temperature, ideal mechanical property, to
The material that relative price costliness is replaced using 17-4PH materials, with effectively save cost.
Embodiment 1
A kind of heat treatment method of 17-4PH materials, includes the following steps：
Turbomachinery rotary part is placed in vacuum drying oven and carries out vacuum heat treatment process, including at solution treatment, adjustment
Reason and ageing treatment.
Solution treatment：Under vacuum, the heating speed for being 80 DEG C/h with heating speed, makes to be heated to 870 in stove
After DEG C heat preservation 2 hours, then with heating speed for 50 DEG C/h of heating speed, make to be heated to 1050 DEG C of heat preservations 2.5 in stove small
When, the cooling of 1.5Bar nitrogen is then passed through in Xiang Xianglu, cooling velocity is 60 DEG C/h, is cooled to 50 DEG C；
Adjustment is handled：Under vacuum, the heating speed for being 90 DEG C/h with heating speed, makes to be heated to 650 in stove
After DEG C heat preservation 2 hours, then with heating speed for 50 DEG C/h of heating speed, make to be heated to 870 DEG C in stove to keep the temperature 2.5 hours,
Then the cooling of 2Bar nitrogen is passed through into stove, cooling velocity is 90 DEG C/h, is cooled to 55 DEG C；
Ageing treatment：Under vacuum, the heating speed for being 60 DEG C/h with heating speed, makes to be heated to 550 in stove
DEG C heat preservation 4 hours after, be passed through into stove 1.5Bar nitrogen cooling, cooling velocity be 70 DEG C/h, be cooled to 55 DEG C and come out of the stove；
Wherein, when to the solution treatment of 17-4PH materials and ageing treatment, respectively make the 17- by heating up step by step
4PH materials respectively reach corresponding holding temperature.
The chemical composition and weight percent of 17-4PH materials be：C：0.05%；Mn：0.8%；P：0.05%； S：
0.02%；Si：0.9%；Cu：4.0%；Ni：3.0%；Cr：17.5%；Nb：0.35%；Fe：Surplus.
Further, the 17-4PH materials obtained by heat treatment method are used to prepare turbomachinery rotary part.
17-4PH material room temperature performance, low-temperature impact data and low-temperature flexibility index after embodiment 1 is heat-treated after tested
It is shown in Table shown in 1-1,1-2 and 1-3.
Room temperature mechanical properties data after the heat treatment of table 1-1 embodiments 1
| Material is numbered | RS/Mpa | Rm/Mpa | A% | Z% | AKV/J |
| 17-4PH-1 | 1120 | 1164 | 14.5 | 52 | 31、29、32 |
The low-temperature impact data of 17-4PH material samples after the heat treatment of table 1-2 embodiments 1
17-4PH material sample low-temperature flexibility indexs after the heat treatment of table 1-3 embodiments 1
By above-mentioned table it is found that carrying out above-mentioned heat treatment after, it is 1120Mpa to obtain material yield strength, while being had good
Plasticity；Ductile-brittle transition temperature is in room temperature, corresponding low-temperature impact work about 31J, if being required higher than 27J according to low-temperature impact work,
It is about room temperature to obtain minimum temperature in use.
Embodiment 2
A kind of heat treatment method of 17-4PH materials, includes the following steps：
Turbomachinery rotary part is placed in vacuum drying oven and carries out vacuum heat treatment process, including at solution treatment, adjustment
Reason and ageing treatment.
Solution treatment：Under vacuum, the heating speed for being 90 DEG C/h with heating speed, makes to be heated to 830 in stove
After DEG C heat preservation 3 hours, then with heating speed for 70 DEG C/h of heating speed, make to be heated to 1030 DEG C in stove to keep the temperature 2 hours,
Then the cooling of 1.5Bar nitrogen is passed through in Xiang Xianglu, cooling velocity is 50 DEG C/h, is cooled to 60 DEG C；
Adjustment is handled：Under vacuum, the heating speed for being 80 DEG C/h with heating speed, makes to be heated to 670 in stove
After DEG C heat preservation 2.5 hours, then with heating speed for 60 DEG C/h of heating speed, make to be heated to 830 DEG C in stove to keep the temperature 2 hours,
Then the cooling of 2Bar nitrogen is passed through into stove, cooling velocity is 80 DEG C/h, is cooled to 60 DEG C；
Ageing treatment：Under vacuum, the heating speed for being 50 DEG C/h with heating speed, makes to be heated to 480 in stove
DEG C heat preservation 4.5 hours after, be passed through into stove 1.5Bar nitrogen cooling, cooling velocity be 50 DEG C/h, be cooled to 50 DEG C and come out of the stove；
Wherein, when to the solution treatment of 17-4PH materials and ageing treatment, respectively make the 17- by heating up step by step
4PH materials respectively reach corresponding holding temperature.
The chemical composition and weight percent of 17-4PH materials be：C：0.07%；Mn：0.70%；P：0.045%；S：
0.03%；Si：1.0%；Cu：5.0%；Ni：4.0%；Cr：16.5%；Nb：0.15%；Fe：Surplus.
Further, the 17-4PH materials obtained by heat treatment method are used to prepare turbomachinery rotary part.
17-4PH material sample room temperature performance, low-temperature impact data and low-temperature flexibility after embodiment 2 is heat-treated after tested
Index is shown in Table shown in 2-1,2-2 and 2-3.
Room temperature mechanical properties data after the heat treatment of table 2-1 embodiments 2
| Material is numbered | RS/Mpa | Rm/Mpa | A% | Z% | AKV(J) |
| 17-4PH-2 | 965 | 1001 | 16.5 | 60 | 101、107、79.7 |
The low-temperature impact data of 17-4PH material samples after the heat treatment of table 2-2 embodiments 2
17-4PH material sample low-temperature flexibility indexs after the heat treatment of table 2-3 embodiments 2
By above-mentioned table it is found that carrying out above-mentioned heat treatment after, it is 965Mpa to obtain material yield strength, while being had good
Plasticity；Ductile-brittle transition temperature is at -40 DEG C, corresponding low-temperature impact work about 51J, if being obtained higher than 27J requirements according to low-temperature impact work
It it is about -60 DEG C to minimum temperature in use.
Embodiment 3
A kind of heat treatment method of 17-4PH materials, includes the following steps：
Turbomachinery rotary part is placed in vacuum drying oven and carries out vacuum heat treatment process, including at solution treatment, adjustment
Reason and ageing treatment.
Solution treatment：Under vacuum, the heating speed for being 100 DEG C/h with heating speed, makes to be heated in stove
After 850 DEG C of heat preservations 2.5 hours, then with heating speed for 80 DEG C/h of heating speed, make to be heated to 1070 DEG C of heat preservations 3 in stove
Hour, the cooling of 1.5Bar nitrogen is then passed through in Xiang Xianglu, cooling velocity is 80 DEG C/h, is cooled to 55 DEG C；
Adjustment is handled：Under vacuum, the heating speed for being 100 DEG C/h with heating speed, makes to be heated in stove
After 630 DEG C of heat preservations 3 hours, then with heating speed for 80 DEG C/h of heating speed, make to be heated to 850 DEG C of heat preservations 3 in stove small
When, the cooling of 2Bar nitrogen is then passed through into stove, cooling velocity is 100 DEG C/h, is cooled to 50 DEG C；
Ageing treatment：Under vacuum, the heating speed for being 80 DEG C/h with heating speed, makes to be heated to 600 in stove
DEG C heat preservation 5 hours after, be passed through into stove 1.5Bar nitrogen cooling, cooling velocity be 80 DEG C/h, be cooled to 60 DEG C and come out of the stove；
Wherein, when to the solution treatment of 17-4PH materials and ageing treatment, respectively make the 17- by heating up step by step
4PH materials respectively reach corresponding holding temperature.
The chemical composition and weight percent of 17-4PH materials be：C：0.06%；Mn：1.0%；P：0.04%； S：
0.025%；Si：0.8%；Cu：3.0%；Ni：5.0%；Cr：15%；Nb：0.45%；Fe：Surplus.
Further, the 17-4PH materials obtained by heat treatment method are used to prepare turbomachinery rotary part.
17-4PH material room temperature performance, low-temperature impact data and low-temperature flexibility index after embodiment 3 is heat-treated after tested
It is shown in Table shown in 3-1,3-2 and 3-3.
Room temperature mechanical properties data after the heat treatment of table 3-1 embodiments 3
| Material is numbered | RS/Mpa | Rm/Mpa | A/% | Z% | AKV(J) |
| 17-4PH-3 | 870 | 928 | 17.5 | 66 | 108、124、106 |
The low-temperature impact data of 17-4PH-3 material samples after the heat treatment of table 3-2 embodiments 3
17-4PH-3 material sample low-temperature flexibility indexs after the heat treatment of table 3-3 embodiments 3
By above-mentioned table it is found that carrying out above-mentioned heat treatment after, it is 870MPa to obtain material yield strength, while being had good
Plasticity；Ductile-brittle transition temperature is at -60 DEG C, corresponding low-temperature impact work about 57J, if being obtained higher than 27J requirements according to low-temperature impact work
It it is about -90 DEG C to minimum temperature in use.
It should be noted last that the above specific implementation mode is merely illustrative of the technical solution of the present invention and unrestricted,
Although being described the invention in detail with reference to example, it will be understood by those of ordinary skill in the art that, it can be to the present invention
Technical solution be modified or replaced equivalently, without departing from the spirit of the technical scheme of the invention and range, should all cover
In the scope of the claims of the present invention.
Claims (10)
1. a kind of heat treatment method of 17-4PH materials, which is characterized in that include the following steps：
Solution treatment：Under vacuum, be heated to 830-870 DEG C heat preservation 2-3 hours after, be again heated to 1030-1070 DEG C of guarantor
It is 2-3 hours warm, nitrogen cooling is then passed through into stove；
Ageing treatment：Under vacuum, be heated to 480-600 DEG C heat preservation 4-5 hour after, be passed through into stove nitrogen cool down；
Wherein, when to the 17-4PH materials solution treatment and ageing treatment, respectively make the 17- by heating up step by step
4PH materials respectively reach corresponding holding temperature.
2. a kind of heat treatment method of 17-4PH materials according to claim 1, which is characterized in that the 17-4PH
Material carries out between solution treatment and ageing treatment, is also adjusted processing, the adjustment processing packet to the 17-4PH materials
Include following steps：
Under vacuum, be heated to 630-670 DEG C heat preservation 2-3 hour after, be again heated to 830-870 DEG C heat preservation 2-3 hours, so
Nitrogen cooling is passed through in backward stove.
3. a kind of heat treatment method of 17-4PH materials according to claim 2, which is characterized in that the adjustment processing
The heating speed for being heated to 630-670 DEG C is 80-100 DEG C/h, the heating for being heated to 830-870 DEG C of the adjustment processing
Speed is 50-80 DEG C/h.
4. a kind of heat treatment method of 17-4PH materials according to claim 2, which is characterized in that adjustment processing to
The cooling of 2Bar nitrogen is passed through in stove, cooling velocity is 80-100 DEG C/h, is cooled to 50-60 DEG C.
5. a kind of heat treatment method of 17-4PH materials according to claim 1, which is characterized in that the solution treatment adds
The heating speed of heat to 830-870 DEG C is 80-100 DEG C/h, and the solution treatment is heated to 1030-1070 DEG C of heating speed
Degree is 50-80 DEG C/h.
6. a kind of heat treatment method of 17-4PH materials according to claim 1, which is characterized in that the solution treatment to
The cooling of 1.5Bar nitrogen is passed through in stove, cooling velocity is 50-80 DEG C/h, is cooled to 50-60 DEG C.
7. a kind of heat treatment method of 17-4PH materials according to claim 1, which is characterized in that the ageing treatment adds
The heating speed of heat to 480-600 DEG C is 50-80 DEG C/h.
8. a kind of heat treatment method of 17-4PH materials according to claim 1, which is characterized in that the ageing treatment to
The cooling of 1.5Bar nitrogen is passed through in stove, cooling velocity is 50-80 DEG C/h, is cooled to 50-60 DEG C.
9. a kind of heat treatment method of 17-4PH materials according to claim 1, which is characterized in that the 17-4PH materials
Chemical composition and weight percent be：C：0.05-0.07%；Mn：0.7-1.0%；P：0.04-0.05%；S：0.02-
0.03%；Si：0.8-1.0%；Cu：3.0-5.0%；Ni：3.0-5.0%；Cr：15-17.5%；Nb：0.15-0.45%；Fe：
Surplus.
10. according to a kind of heat treatment method of 17-4PH materials of claim 1 to 9 any one of them, which is characterized in that pass through
The 17-4PH materials that the heat treatment method obtains are used to prepare turbomachinery rotary part.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| CN115029524A (en) * | 2022-04-29 | 2022-09-09 | 沈阳鼓风机集团往复机有限公司 | Cryogenic treatment process for S51740 material |
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| CN109439870A (en) * | 2018-12-26 | 2019-03-08 | 江阴市恒业锻造有限公司 | The method for improving 17-4PH martensite aged stainless steel forging low-temperature impact work based on organizational controls |
| CN111118272A (en) * | 2020-02-12 | 2020-05-08 | 广东省材料与加工研究所 | High-performance 17-4PH stainless steel material and high-pressure heat treatment method, manufacturing method and application thereof |
| CN111593186A (en) * | 2020-05-25 | 2020-08-28 | 河南中原特钢装备制造有限公司 | Heat treatment process for improving impact power of stainless steel cylinder body for oil field |
| CN112589117A (en) * | 2020-12-11 | 2021-04-02 | 成都天齐增材智造有限责任公司 | Additive manufactured 17-4PH material and rapid thermal processing technology thereof |
| CN112589117B (en) * | 2020-12-11 | 2023-10-17 | 成都天齐增材智造有限责任公司 | Additive manufacturing 17-4PH material and rapid heat treatment process thereof |
| CN113319270A (en) * | 2021-04-28 | 2021-08-31 | 广州鑫研锦增材科技有限公司 | Additive manufacturing oriented particle reinforced 17-4PH material and forming method thereof |
| CN114231715A (en) * | 2021-11-25 | 2022-03-25 | 大连透平机械技术发展有限公司 | ASTM A705-630 steel heat treatment method |
| CN114231715B (en) * | 2021-11-25 | 2023-12-12 | 大连透平机械技术发展有限公司 | ASTM A705-630 steel heat treatment method |
| CN115029524A (en) * | 2022-04-29 | 2022-09-09 | 沈阳鼓风机集团往复机有限公司 | Cryogenic treatment process for S51740 material |
| CN115029524B (en) * | 2022-04-29 | 2024-01-19 | 沈阳鼓风机集团往复机有限公司 | Cryogenic treatment process for S51740 material |
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