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Dengiz suvi uchun ishlatiladigan 9cr18 zanglamas po'latdan yasalgan sharli vint

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9Cr18 zanglamaydigan po'latdan yasalgan sharli vint

 

9Cr18 zanglamaydigan po'latdan: umumiy ko'rinish va xarakteristikalar

 

1. Tarkibi:

 

- Carbon (C): ~0.90–1.00%

 

Yuqori uglerod miqdori qattiqlik va chekka tutilishini oshiradi.

 

- Chromium (Cr): ~17–19%

 

Korroziyaga chidamliligini ta'minlaydi va qattiqlikka hissa qo'shadi.

 

- Boshqa elementlarga barqarorlik va ishlov berish uchun oz miqdorda marganets (Mn), kremniy (Si) va molibden (Mo) kirishi mumkin.

 

2. Xususiyatlari:

 

- Qattiqlik: issiqlik bilan ishlov berishdan keyin HRC 56-59 ga erishadi, asboblarni kesish uchun mos keladi.

 

- Korroziyaga chidamlilik: o'rtacha, yuqori uglerodli zanglamaydigan po'latlarga xos (304 kabi past uglerodli sinflardan kamroq, lekin D2 kabi asbob po'latlaridan yaxshiroq).

 

- Chetni ushlab turish: Yuqori uglerod va to'g'ri issiqlik bilan ishlov berish tufayli juda yaxshi.

 

- Qattiqlik: uglerodli po'latlardan pastroq (masalan, 8Cr13MoV), bu uni mo'rtroq qiladi.

 

3. Ilovalar:

 

- Pichoqlar: oshxona pichoqlari, cho'ntak pichoqlari va tashqi asboblar (440C ga o'xshash).

 

- Sanoat pichoqlari: aşınma qarshilik muhim bo'lgan mashinalarni kesishda ishlatiladi.

 

- Rulmanlar va klapanlar: Ba'zan yuqori aşınmaya bardoshli komponentlarda qo'llaniladi.

 

4. O'xshash po'latlar bilan taqqoslash:

 

- 440C (AQSh) ga qarshi: Tarkibi va ishlashi jihatidan deyarli bir xil. 9Cr18 ba'zan Xitoyning ekvivalenti hisoblanadi.

 

- AUS-10 (Yaponiya) ga qarshi: korroziyaga chidamliligi biroz pastroq, ammo chekka ushlagichi.

 

- VG-10 ga qarshi: Arzonroq, lekin past pishiqlik va dog 'qarshiligiga ega.

 

5. Issiqlik bilan ishlov berish:

 

- Requires precise hardening (typically around 1040–1060°C) followed by tempering (150–200°C) to balance hardness and brittleness.

 

- Noto'g'ri davolash chiplarning parchalanishiga yoki chidamliligini pasayishiga olib kelishi mumkin.

 

6. Xizmatga oid maslahatlar:

 

- O'tkirlash: Yuqori qattiqlik tufayli olmos yoki sopol o'tkirlagichlardan foydalaning.

 

- Korroziyaga qarshi parvarish: zang bo'lmasligi uchun namlik ta'siridan keyin quruq va yog'li pichoqlar.

 

- Suiiste'mol qilishdan saqlaning: qattiq materiallarda (masalan, qiziquvchan) ishlatilsa, parchalanishga moyil.

 

7. Ijobiy va salbiy tomonlari:

 

- Taroziga soling: Ajoyib qirrani ushlab turish, yaxshi aşınma qarshilik, keng tarqalgan.

 

- Kamchiliklari: Ba'zi muqobillarga qaraganda kamroq qattiq, zang oldini olish uchun parvarish qilishni talab qiladi.

 

Xulosa:

 

9Cr18 yuqori samarali pichoqlar uchun tejamkor tanlov bo'lib, bu erda qirrani ushlab turish qattiqlikdan ustun turadi. To'g'ri issiqlik bilan ishlov berish va parvarish qilish uning foydasini maksimal darajada oshirishning kalitidir.

 

Dengiz suvi bilan korroziya va zanglashning oldini olish uchun zanglamaydigan po'latdan yasalgan vintlardek ajoyib echimdir. Zangga qarshi mukammal ta'sirga erishish uchun ular yuzasiga xrom qoplangan

 

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Agar sizda mavjud bo'lsa, biz bilan bog'laning, biz sizga xizmat qilishdan mamnunmiz yoki to'g'ridan-to'g'ri bepul raqamimizga qo'ng'iroq qilishingiz mumkin.

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