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فولاد ابزارسردکار ۱٫۲۸۴۲ ۹۰mncrv8 Amotit
فولاد ابزار سردکار ۱٫۲۵۱۰ ۱۰۰mncrw4 Amotit S
اردیبهشت ۳, ۱۳۹۹
فولاد ابزار سردکار-گرمکار ۱٫۲۵۴۲ ۴۵wcrv7
اردیبهشت ۵, ۱۳۹۹
۱٫۲۸۴۲
۹۰mncrv8
Amotit
فولاد ۱٫۲۸۴۲ یا Amotit جزو فولادهای ابزار سرد کار می باشد که عناصر تشکیل دهنده آن به شرح زیر می باشد:
| وانادیم V | مولیبدن Mo | کروم Cr | گوگرد S | فسفر P | منگنز Mn | سیلیسیم Si | کربن C | عنصر |
|---|---|---|---|---|---|---|---|---|
| 0.05-0.20 | - | 0.2-0.5 | 0.030 | 0.030 | 1.8-2.2 | 0.1-0.40 | 0.85-0.95 | % درصد 1.2842 |
این فولاد ابزار سرد کار به دلیل وجود ۱ درصد کربن تا ۶۴ راکول آبکاری و سخت می گردد.
وجود ۰.۵ درصد کروم و ۲ درصد منگنز در این فولاد آلیاژی سردکار خواص ضد سایش به آن می‌دهد که برای قالب های صنعتی تحت فشار بسیار مناسب می باشد.
با دارا بودن حدوداً ۰.۲ وانادیم ساختار آن میکروآلیاژی میباشد و بسیاری خواص سردکار آن بهبود میابد.
دمای آبکاری این فولاد آلیاژی سردکار ۸۵۰ تا ۸۰۰ درجه سانتیگراد و دمای کویینچ تمپرینگ (بازگشت) آن ۱۹۰ تا ۱۷۰ درجه سانتیگراد می باشد.
آبکاری این فولاد ابزار سرد کار در روغن انجام می پذیرد ولی با توجه به حساسیت آن بهتر است در خلا آبکاری شود.
موارد مورد استفاده آن در صنعت و کاربرد فولاد ۱٫۲۸۴۲ ابزار برشکاری و سوراخکاری و پانچ کردن و تیغه های برشی کوچک و برقو کارها و شیار زن ها اشاره کرد.
به علت نشکن بودن و خواص آن کاربرد بسیاری داری و برای قالب های خم و کشش و …..بسیار مناسب میباشد.
سختی اولیه این فولاد ۲۲۹ برینل میباشد و پس از آبکاری تا ۶۴ راکول سخت می گردد ولی سختیه مورد اطمینان برای استفاده ۵۰ الی ۵۸ راکول می باشد با توجه با قطعه مورد نظر.
نکته حائز اهمیت در قالب های برش و این فولاد اینست که حتماً بعد از آبکاری تمپر شود تا سختی آن کاهش یابد و از تردی آن کم شود.
این فولاد آلیاژی ابزار سردکار در انبار شرکت فولاد آلیاژی کریمی موجود می باشد برای استعلام قیمت با توجه به نوسانات شدید قیمت فولاد تماس بگیرید.
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