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. | σâ | σò | δ5 | ψ | KCU | Òåðìîîáð. |
|---|
| - | ìì | - | ÌÏà | ÌÏà | % | % | êÄæ/ì2 | - |
|---|
| | | 850 | 510 | 12 | 14 | 180 | Ñîñòîÿíèå ïîñòàâêè |
| Òâåðäîñòü ìàòåðèàëà Ð6Ì5Ê5 ïîñëå îòæèãà | HB = 269 |
Ôèçè÷åñêèå ñâîéñòâà ìàòåðèàëà Ð6Ì5Ê5
| T | E 10-5 | α106 | λ | ρ | Ñ | R109 |
|---|
| 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 | | | |
| Ò | Å10-5 | α106 | λ | ρ | Ñ | R109 |
|---|
Îáîçíà÷åíèÿ:
Ìåõàíè÷åñêèå ñâîéñòâà:
σâ - Ïðåäåë êðàòêîâðåìåííîé ïðî÷íîñòè, [ÌÏà]
σT - Ïðåäåë ïðîïîðöèîíàëüíîñòè (ïðåäåë òåêó÷åñòè äëÿ îñòàòî÷íîé äåôîðìàöèè), [ÌÏà]
δ5 - Îòíîñèòåëüíîå óäëèíåíèå ïðè ðàçðûâå, [ % ]
ψ - Îòíîñèòåëüíîå ñóæåíèå, [ % ]
KCU - Óäàðíàÿ âÿçêîñòü, [ êÄæ / ì2]
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]
λ- Êîýôôèöèåíò òåïëîïðîâîäíîñòè (òåïëîåìêîñòü ìàòåðèàëà), [Âò/(ì·ãðàä)]
ρ- Ïëîòíîñòü ìàòåðèàëà , [êã/ì3]
C - Óäåëüíàÿ òåïëîåìêîñòü ìàòåðèàëà (äèàïàçîí 20o - T ), [Äæ/(êã·ãðàä)]
R - Óäåëüíîå ýëåêòðîñîïðîòèâëåíèå, [Îì·ì]
Ìàðî÷íèê ñòàëè è ñïëàâîâ