Mmiri ozuzo siri ike igwe anaghị agba nchara, nke a na-akpọ PH Steel, na-ezo aka n'ụdịigwe anaghị agba ncharanke na-agbakwụnye ụdị dị iche iche na ọnụ ọgụgụ nke ihe ndị na-ewusi ike, na ụdị dị iche iche na ọnụ ọgụgụ nke carbides, nitrides, carbonitrides na intermetallic ogige na-ebute site na mmiri ozuzo usoro siri ike. Mmiri ozuzo siri ike igwe anaghị agba nchara ọ bụghị naanị nwere ike dị elu, kamakwa ọ nwere ezigbo ike na nguzogide corrosion. Enwere ike ịwụ mmiri ozuzo siri ike igwe anaghị agba nchara na anyịulo oru ntinye egodị ka eserese gị, ihe achọrọ na ọnọdụ ojiji.
Dị ka ọdịnaya nke isi alloy ọcha na mmiri ozuzo hardening igwe anaghị agba nchara na agbakwunyere hardening ọcha, mmiri ozuzo hardnening igwe anaghị agba nchara nwere ike kewara ụzọ anọ n'ime ndị a:
(1)Mmiri nke Martensitic na-eme ka igwe anaghị agba nchara. Ọ na-enwekarị carbon n'ihe na-erughị 0.1%. Mee ka ọ dịkwuo ike site n'ịgbakwụnye ihe ndị siri ike (ọla kọpa, aluminom, titanium na aluminom, wdg) iji mee ka enweghi ike. Ọdịnaya chromium na-adịkarị elu karịa 17%, a na-agbakwunyekwa nickel kwesịrị ekwesị iji melite nguzogide corrosion.
(2)Ịkwado oke mmiri ozuzo na-eme ka igwe anaghị agba nchara, na carbon ọdịnaya adịghị elu karịa 0.03% iji hụ na ike, corrosion resistance, weldability na workability nke martensite matrix, na 12% chromium iji hụ na corrosion iguzogide. Tụkwasị na nke ahụ, a na-agbakwunye alloy element cobalt iji meziwanye mmetụta ọgwụgwọ okpomọkụ nke ígwè.
(3)Semi-Austenitic mmiri ozuzo na-eme ka igwe anaghị agba nchara sie ike, ya bụ, mgbanwe mgbanwe mmiri ozuzo siri ike igwe anaghị agba nchara, nwere ihe na-erughị 12% chromium. Ọ nwere obere carbon ọdịnaya, na aluminom dị ka isi mmiri ozuzo ike mmewere. Ụdị mmiri ozuzo a na-eme ka igwe anaghị agba nchara na-arụ ọrụ zuru oke karịa mmiri ozuzo martensitic na-eme ka igwe anaghị agba nchara.
(4)Ọdịda Austenitic na-eme ka igwe anaghị agba ncharabụ igwe anaghị agba nchara nwere ihe owuwu austenite kwụsiri ike na steeti menyụọ yana ịka nká. Ọdịnaya nickel ya na ọdịnaya manganese dị elu, yana ọdịnaya chromium dị elu karịa 13% iji hụ na nguzogide corrosion dị mma na nguzogide oxidation. N'otu oge ahụ, mmiri ozuzo austenitic siri ike igwe anaghị agba nchara na-agbakwunye titanium, aluminom, vanadium ma ọ bụ phosphorus dị ka ihe na-eme ka mmiri sie ike, ma na-agbakwunye obere boron, vanadium, nitrogen na ihe ndị ọzọ iji nweta ezigbo ihe zuru oke.
A na-eji mmiri ozuzo na-eme ka igwe anaghị agba nchara mee ihe n'ọtụtụ ụlọ ọrụ dị elu. Dịka ọmụmaatụ, enwere ike iji mmiri ozuzo siri ike igwe anaghị agba nchara 17-4PH mee ihe dị n'okpuru 370 Celsius C nke chọrọ nguzogide corrosion, iyi nguzogide, na ike dị elu.
Ụlọ ọrụ RMCTụgharịa akara ule ndị a na-ahụkarị nke mmiri ozuzo na-eme ka igwe anaghị agba nchara
1- Ụkpụrụ ndị China: 05Cr15Ni5Cu4Nb, 05Cr17Ni4Cu4Nb
2- British Standard: ANC20, ANC21, ANC22
3- Ụkpụrụ America: 630, 634, 17-4PH, 15-5PH, CB7Cu-1
4- Ụkpụrụ Japanese: SCS24, SCS32
5- German ọkọlọtọ: 1.4542
| Igwe anaghị agba nchara maka usoro ntinye ego na RMC Foundry
| |||
| Otu | China ọkwa | Ọkwa US | Germany ọkwa |
| Ferritic igwe anaghị agba nchara | 1Cr17, 022Cr12, 10Cr17, | 430, 431, 446, CA-15, CA6N, CA6NM | 1.4000, 1.4005, 1.4008, 1.4016, GX22CrNi17, GX4CrNi13-4 |
| Martensitic igwe anaghị agba nchara | 1Cr13, 2Cr13, 3Cr13, 4Cr13, | 410, 420, 430, 440B, 440C | 1.4021, 1.4027, 1.4028, 1.4057, 1.4059, 1.4104, 1.4112, 1.4116, 1.4120, 1.4122, 1.4125 |
| Austenitic igwe anaghị agba nchara | 06Cr19Ni10, 022Cr19Ni10, 06Cr25Ni20, 022Cr17Ni12Mo2, 03Cr18Ni16Mo5 | 302, 303, 304, 304L, 316, 316L, 329, CF3, CF3M, CF8, CF8M, CN7M, CN3MN | 1.3960, 1.4301, 1.4305, 1.4306, 1.4308, 1.4313, 1.4321, 1.4401, 1.4403, 1.4404, 1.4405, 1.4404.4.1. 1.4435, 1.4436, 1.4539, 1.4550, 1.4552, 1.4581, 1.4582, 1.4584, |
| Mmiri ozuzo na-eme ka igwe anaghị agba nchara | 05Cr15Ni5Cu4Nb, 05Cr17Ni4Cu4Nb | 630, 634, 17-4PH, 15-5PH, CB7Cu-1 | 1.4542 |
| Duplex igwe anaghị agba nchara | 022Cr22Ni5Mo3N, 022Cr25Ni6Mo2N | A 890 1C, A 890 1A, A 890 3A, A 890 4A, A 890 5A, A 995 1B, A 995 4A, A 995 5A, 2205, 2507 | 1.4460, 1.4462, 1.4468, 1.4469, 1.4517, 1.4770 |
Oge nzipu: Jan-30-2021