Stainless simbi zvinhu 17-4PH

17-4PH iri nyore kupisa. Panguva yekurapa kwekupisa kana kugadzira, mhepo inodzivirira ine kabhoni kana nitrogen inofanira kudziviswa. Izvi zvinhu zvinogona kunyudzwa mukati mesimbi yepamusoro uye kupa nyoro austenitic ganda. Kana mamiriro ekudzivirira achidiwa argon kana helium inokurudzirwa.

Iyo alloy zvakare ine kusimba kwakanaka kana yakasungwa, nepo mapfupi-akadzika-tembiricha ekurapa anoderedza warping uye kuyera. Pamusoro pezvo, 17-4PH iri nyore kugadzira nekugadzira.

Kutenda kune anobatsira zvivakwa, 17-4PH inowana kushandiswa mumaindasitiri akasiyana. Zvakajairwa zvikamu zvinosanganisira mechaniki zvisimbiso, chigamba chemafuta, uye pombi shafts.

Machinability 17-4PH inogona kugadzirwa mune ese ari maviri mhinduro annealed mamiriro uye kunaya kwakaoma mamiriro. Nekuda kwekuti tembiricha yekupisa yekupisa yakadzikira, 17-4PH inogona kugadzirwa kusvika padanho rekupedzisira mune yakavharwa uye yobva yachembera isina shanduko yakakura kana kuyera kunze kwekunge chikamu chacho chakakura, apo mvumo inofanira kuitwa yekudzivirira pakuchembera.
Mune annealed mamiriro machining anongosiyana zvishoma kubva 300 akatevedzana austenitic Stainless simbi. Mune H900 mamiriro emuchina mwero i60% yeiyo yezvinhu zvakavharwa.

CHEMICAL COMPOSITION

MABHARA	SS316	17-4PH
Carbon	0.05	0.06
Manganese	2	0.9
Phosphorous	0.045	0.03
Sulfur	0.03	0.02
Silicon	N/A	0.9
Mhangura, columbium, uye Tantalum	N/A	4
Molybdenum	2.1	N/A
Nickel	8	4
Chromium	18	17.5

hysical Zvivakwa zveStainless Simbi 17-4PH

Property	Imperial	Metric
Melting Range	2560-2625 °F	1404-1440 °C
Specific Heat	0.11 Btu/lb.-°F	460 Joules/gg-K
Specific Density	0.282 lb/in3	7.8 g/cm3
Electrical Resistivity	38.6 µΩ mukati	98µΩ masendimita
Linear Coefficient yeThermal Expansion (70 °F kusvika 200 °F) (21 °C kusvika 93 °C)	6 [mu/mu/°F·106]	10.8 [μm/m·°C]
Linear Coefficient yeKuwedzera Kwekupisa (70 °F kusvika 400 °F) (21 °C kusvika 204 °C)	6 [mu/mu/°F·106]	10.8 [μm/m·°C]
Linear Coefficient of Thermal Expansion (70 °F kusvika 600 °F) (27 °C kusvika 316 °C)	6.2 [mu/mu/°F·106]	11.2 [μm/m·°C]
Linear Coefficient yeThermal Expansion (70 °F kusvika 800 °F) (21 °C kusvika 427 °C)	6.3 [mu/mu/°F·106]	11.2 [μm/m·°C]
Thermal Conductivity (@ 300 °F) (@ 149 °C)	124 Btu/(awa/ft²/mu/°F)	17.9 [W/m-K]
Thermal Conductivity (@ 500 °F) (@ 260 °C)	135 Btu/(awa/ft²/mu/°F)	19.5 [W/m-K]
Thermal Conductivity (@ 860 °F) (@ 460 °C)	156 Btu/(hr/ft²/mu/°F)	22.5 [W/m-K]
Thermal Conductivity (@ 900 °F) (@ 482 °C)	157 Btu/(hr/ft²/mu/°F)	22.6 [W/m-K]
Poisson's Ratio (H900 Condition)	0.272	0.272
Modulus yeElasticity (H900 Condition)	28 x 106 ksi	197 x 103 MPa
Modulus yeRigidity muTorsion	9.68 x 103 ksi	67 x 103 MPa

Stainless Simbi 17-4PH Mechanical Properties

Property	Imperial	Metric
Ultimate Tensile Simba	23,300 psi	160 MPa
Kusimba Kwegoho (0.02%)	16,680 psi	115 MPa
Elongation (% mu2'')	5%	5%
Rockwell Hardness C	35	35

Kupisa Kurapa

Stainless Simbi 17-4PH inowanikwa mune mhinduro annealed mamiriro pa1900 °F (1038 °C) uyezve mhepo-yakatonhodzwa kusvika 90 °F (32 °C).

Nekudaro, mamwe marapirwo ekupisa anogona kuburitsa kwakasiyana kuomarara uye kuomarara mazinga. Mishonga inonyanyozivikanwa yakanyorwa patafura iri pasi apa.

Condition	Tembiricha [± 15 °F (± 8.4 °C)]	Kutonhodza Nzira uye Nguva Yenguva
H900	900 °F (482 °C)	Kutonhora kwemhepo kweawa imwe
H 925	925 °F (496 °C)	Kutonhora kwemhepo kwe4 maawa
H 1025	1025 °F (551 °C)	Kutonhora kwemhepo kwe4 maawa
H 1075	1075 °F (580 °C)	Kutonhora kwemhepo kwe4 maawa
H 1100	1100 °F (593 °C)	Kutonhora kwemhepo kwe4 maawa
H 1150	1150 °F (621 °C)	Kutonhora kwemhepo kwe4 maawa
H 1150 + 1150	1150 °F (621 °C) ichiteverwa ne 1150 °F (621 °C)	Kutonhora kwemhepo kwe4 maawa ichiteverwa ne Kutonhora kwemhepo kwe4 maawa
H 1150-M	1400 °F (760 °C) ichiteverwa ne 1150 °F (621 °C)	Kutonhorera kwemhepo kwemaawa maviri ichiteverwa ne Kutonhora kwemhepo kwe4 maawa