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RU2018126761A - Инструментальная сталь для горячей обработки - Google Patents

Инструментальная сталь для горячей обработки Download PDF

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RU2018126761A
RU2018126761A RU2018126761A RU2018126761A RU2018126761A RU 2018126761 A RU2018126761 A RU 2018126761A RU 2018126761 A RU2018126761 A RU 2018126761A RU 2018126761 A RU2018126761 A RU 2018126761A RU 2018126761 A RU2018126761 A RU 2018126761A
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steel according
vol
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steel
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RU2018126761A3 (ru
RU2728149C2 (ru
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Анна МЕДВЕДЕВА
Йеркер АНДЕРССОН
Рикард РОБЕРТССОН
Шерин НИЛЬССОН
Себастьян ЭЙНЕРМАРК
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Уддехольмс АБ
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    • C22C38/00—Ferrous alloys, e.g. steel alloys
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    • B22F3/14—Both compacting and sintering simultaneously
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  • Chemical & Material Sciences (AREA)
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Claims (21)

1. Сталь для горячей обработки, состоящая, в весовых процентах (вес.%), из:
C 0,27-0,38 Si 0,10-0,35 Mn 0,2-0,7 Cr 4,5-5,5 Mo 2,05-2,90 V 0,4-0,6 N 0,01-0,12 H ≤ 0,0004 S ≤ 0,0015
факультативно, одного или более из
Al 0,001-0,06 Ni ≤ 1,5 Cu ≤ 2 Co ≤ 8 W ≤ 0,5 Nb ≤ 0,5 Ti ≤ 0,05 Zr ≤ 0,05 Ta ≤ 0,05 B ≤ 0,01 Ca 0,00005-0,009 Mg ≤ 0,01 REM ≤ 0,2
остальное Fe, не считая примеси.
2. Сталь по п. 1, отвечающая по меньшей мере одному из следующих требований:
C 0,30-0,38 Si 0,15-0,30 Mn 0,4-0,6 Cr 4,6-5,4 Mo 2,1-2,8 V 0,5-0,6 N 0,011-0,08 H ≤ 0,0003 Cu 0,02-1 Co ≤ 1 W ≤ 0,3 Nb ≤ 0,05 Ti ≤ 0,01 Zr ≤ 0,01 Ta ≤ 0,01 B ≤ 0,005 Se ≤ 0,03 Mg ≤ 0,001 Ca 0,00001-0,009 V/C 1,35-1,65
причем содержание примесей P, S и O удовлетворяет следующим требованиям
P ≤ 0,03 S ≤ 0,0010 O ≤ 0,0015
3. Сталь по п. 1 или 2, удовлетворяющая по меньшей мере одному из следующих требований:
C 0,33-0,38 Si 0,15-0,29 N 0,012-0,07 H ≤ 0,0002 Cu 0,02-0,5 Co ≤ 0,3 W ≤ 0,1 B 0,001-0,004 Mg 0,00005-0,001 Ca 0,0001-0,009 V/C 1,40-1,60
4. Сталь по любому из предыдущих пунктов, удовлетворяющая по меньшей мере одному из следующих требований:
C 0,33-0,37 Si 0,16-0,26 Mn 0,45-0,55 Cr 4,8-5,2 Mo 2,2-2,6 V 0,51- 0,58 N 0,011-0,056 H ≤ 0,0003 Cu 0,02-0,3 Co ≤ 0,3 W ≤ 0,1 Nb ≤ 0,05 Mg 0,0001-0,001 Ca 0,0001-0,001 V/C 1,45-1,55 P ≤ 0,01 S ≤ 0,0005 O ≤ 0,0008 V+8,8(N-0,005)/C 1,55-1,9
5. Сталь по любому из предыдущих пунктов, причем содержание первично выделившихся MX составляет 0,2-3 об.%, предпочтительно 0,3-1,0 об.%.
6. Сталь по любому из пп. 1-3 или 5, удовлетворяющая следующим требованиям:
C 0,30-0,38 Si 0,15-0,30 Mn 0,4-0,6 Cr 4,5-5,5 Mo 2,1-2,8 V 0,5-0,6 N 0,01-0,08 H ≤ 0,0003
7. Сталь по любому из пп. 1-3, 5 или 6, удовлетворяющая следующим требованиям:
C 0,33-0,37 Si 0,16-0,26 Mn 0,45-0,55 Cr 4,8-5,2 Mo 2,2-2,6 V 0,51-0,58 N 0,011-0,07
8. Сталь по любому из предыдущих пунктов, причем матрица содержит мартенсит отпуска и/или бейнит и количество оставшегося аустенита ограничено значениями ≤6 об.%, ≤5 об.%, ≤4 об.% или ≤2 об.%.
9. Сталь по любому из предыдущих пунктов, причем сталь предоставляется в форме порошка, предпочтительно с распределением по размерам в диапазоне 5-150 мкм, более предпочтительно в диапазоне 10-100 мкм или 10-60 мкм, причем средний размер частиц порошка предпочтительно лежит в интервале 25-50 мкм.
10. Применение порошковой стали по п. 9 для послойного синтеза, в частности, для изготовления или ремонта инструментов для литья под давлением.
RU2018126761A 2015-12-22 2016-11-28 Инструментальная сталь для горячей обработки RU2728149C2 (ru)

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Application Number Priority Date Filing Date Title
SE1551702-2 2015-12-22
SE1551702A SE539646C2 (en) 2015-12-22 2015-12-22 Hot work tool steel
PCT/SE2016/051174 WO2017111680A1 (en) 2015-12-22 2016-11-28 Hot work tool steel

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RU2018126761A true RU2018126761A (ru) 2020-01-28
RU2018126761A3 RU2018126761A3 (ru) 2020-02-17
RU2728149C2 RU2728149C2 (ru) 2020-07-28

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