Õàðàêòåðèñòèêà ìàòåðèàëà Ð6Ì5Ê5. Ìàðêà | Ð6Ì5Ê5 | Êëàññèôèêàöèÿ | Ñòàëü èíñòðóìåíòàëüíàÿ áûñòðîðåæóùàÿ | Ïðèìåíåíèå | äëÿ îáðàáîòêè âûñîêîïðî÷íûõ íåðæàâåþùèõ è æàðîïðî÷íûõ ñòàëåé è ñïëàâîâ â óñëîâèÿõ ïîâûøåííîãî ðàçîãðåâà ðåæóùåé êðîìêè. | Õèìè÷åñêèé ñîñòàâ â % ìàòåðèàëà Ð6Ì5Ê5 C | Si | Mn | Ni | S | P | Cr | Mo | W | V | Co | 0.84 - 0.92 | äî 0.5 | äî 0.5 | äî 0.4 | äî 0.03 | äî 0.03 | 3.8 - 4.3 | 4.8 - 5.3 | 5.7 - 6.7 | 1.7 - 2.1 | 4.7 - 5.2 | Òåìïåðàòóðà êðèòè÷åñêèõ òî÷åê ìàòåðèàëà Ð6Ì5Ê5. Ac1 = 840 , Ac3(Acm) = 875 , Ar3(Arcm) = 805 , Ar1 = 765 | Ìåõàíè÷åñêèå ñâîéñòâà ïðè Ò=20oÑ ìàòåðèàëà Ð6Ì5Ê5 . Ñîðòàìåíò | Ðàçìåð | Íàïð. | sâ | sT | d5 | y | KCU | Òåðìîîáð. | - | ìì | - | ÌÏà | ÌÏà | % | % | êÄæ / ì2 | - | | | | 850 | 510 | 12 | 14 | 180 | Ñîñòîÿíèå ïîñòàâêè | Òâåðäîñòü ìàòåðèàëà Ð6Ì5Ê5 ïîñëå îòæèãà , | HB 10 -1 = 269 ÌÏà | Ôèçè÷åñêèå ñâîéñòâà ìàòåðèàëà Ð6Ì5Ê5 . T | E 10- 5 | a 10 6 | l | r | C | R 10 9 | Ãðàä | ÌÏà | 1/Ãðàä | Âò/(ì·ãðàä) | êã/ì3 | Äæ/(êã·ãðàä) | Îì·ì | 20 | 2.2 | | | 8200 | | 458 | 100 | | | 27 | | | | 200 | | | 28 | | | | 300 | | | 29 | | | | 400 | | | 30 | | | | 500 | | | 32 | | | | 600 | | | 36 | | | | 700 | | | 34 | | | | 800 | | | | | | | 900 | | | 29 | | | | T | E 10- 5 | a 10 6 | l | r | C | R 10 9 | Îáîçíà÷åíèÿ: Ìåõàíè÷åñêèå ñâîéñòâà : | sâ | - Ïðåäåë êðàòêîâðåìåííîé ïðî÷íîñòè , [ÌÏà] | sT | - Ïðåäåë ïðîïîðöèîíàëüíîñòè (ïðåäåë òåêó÷åñòè äëÿ îñòàòî÷íîé äåôîðìàöèè), [ÌÏà] | d5 | - Îòíîñèòåëüíîå óäëèíåíèå ïðè ðàçðûâå , [ % ] | y | - Îòíîñèòåëüíîå ñóæåíèå , [ % ] | KCU | - Óäàðíàÿ âÿçêîñòü , [ êÄæ / ì2] | HB | - Òâåðäîñòü ïî Áðèíåëëþ , [ÌÏà] | Ôèçè÷åñêèå ñâîéñòâà : | T | - Òåìïåðàòóðà, ïðè êîòîðîé ïîëó÷åíû äàííûå ñâîéñòâà , [Ãðàä] | E | - Ìîäóëü óïðóãîñòè ïåðâîãî ðîäà , [ÌÏà] | a | - Êîýôôèöèåíò òåìïåðàòóðíîãî (ëèíåéíîãî) ðàñøèðåíèÿ (äèàïàçîí 20o - T ) , [1/Ãðàä] | l | - Êîýôôèöèåíò òåïëîïðîâîäíîñòè (òåïëîåìêîñòü ìàòåðèàëà) , [Âò/(ì·ãðàä)] | r | - Ïëîòíîñòü ìàòåðèàëà , [êã/ì3] | C | - Óäåëüíàÿ òåïëîåìêîñòü ìàòåðèàëà (äèàïàçîí 20o - T ), [Äæ/(êã·ãðàä)] | R | - Óäåëüíîå ýëåêòðîñîïðîòèâëåíèå, [Îì·ì] |
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