40Õ9Ñ2 (áûâø. 4Õ9Ñ2) - Ñòàëü æàðîïðî÷íàÿ âûñîêîëåãèðîâàííàÿ
Ïðèìåíåíèå:
êëàïàíû âïóñêà è âûïóñêà äâèãàòåëåé, òðóáêè ðåêóïåðàòîðîâ, òåïëîîáìåííèêè, êîëîñíèêè, êðåïåæíûå äåòàëè; ñòàëü æàðîñòîéêàÿ, ìàðòåíñèòíîãî êëàññà
Õèìè÷åñêèé ñîñòàâ â % ìàòåðèàëà 40Õ9Ñ2
C | Si | Mn | Ni | S | P | Cr | Ti | Cu |
0.35 - 0.45 | 2 - 3 | äî 0.8 | äî 0.6 | äî 0.025 | äî 0.03 | 8 - 10 | äî 0.2 | äî 0.3 |
Òåìïåðàòóðà êðèòè÷åñêèõ òî÷åê ìàòåðèàëà 40Õ9Ñ2.
Ac1 = 900 , Ac3(Acm) = 970 , Ar3(Arcm) = 970 , Ar1 = 810 |
Òåõíîëîãè÷åñêèå ñâîéñòâà ìàòåðèàëà 40Õ9Ñ2
Ñâàðèâàåìîñòü: | íå ïðèìåíÿåòñÿ äëÿ ñâàðíûõ êîíñòðóêöèé. |
Ôëîêåíî÷óâñòâèòåëüíîñòü: | íå ÷óâñòâèòåëüíà. |
Ñêëîííîñòü ê îòïóñêíîé õðóïêîñòè: | ñêëîííà. |
Ìåõàíè÷åñêèå ñâîéñòâà ïðè Ò=20 o Ñ ìàòåðèàëà 40Õ9Ñ2
Ñîðòàìåíò | Ðàçìåð | Íàïð. | sâ | sT | d5 | y | KCU | Òåðìîîáð. |
- | ìì | - | ÌÏà | ÌÏà | % | % | êÄæ / ì2 | - |
Ïðóòîê, ÃÎÑÒ 5949-75 | 740 | 440 | 15 | 35 | Îòæèã 850 - 870oC, âîçäóõ, |
Ôèçè÷åñêèå ñâîéñòâà ìàòåðèàëà 40Õ9Ñ2
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 | 7630 | |||||
100 | 11.1 | 17 | 7610 | |||
200 | 12.7 | 7580 | ||||
300 | 20 | |||||
400 | 14.3 | 7510 | ||||
T | E 10- 5 | a 10 6 | l | r | C | R 10 9 |
Çàðóáåæíûå àíàëîãè ìàòåðèàëà 40Õ9Ñ2
ÑØÀ | Ãåðìàíèÿ | ßïîíèÿ | Ôðàíöèÿ | Àíãëèÿ | Åâðîñîþç | Èòàëèÿ | Èñïàíèÿ | Êèòàé | Áîëãàðèÿ | Âåíãðèÿ | Ïîëüøà | Ðóìûíèÿ | ×åõèÿ | Þæ.Êîðåÿ |
- | DIN,WNr | JIS | AFNOR | BS | EN | UNI | UNE | GB | BDS | MSZ | PN | STAS | CSN | KS |
HNV3, HW3, S65007 | 1.4718, 1.4818, G-X45CrSi9-3, X45CrSi9-3 | SUH1, SUH2 | X45CrSi9-3, Z45CS9 | 401S45, X45CrSi9-3 | 1.4718, X45CrSi8, X45CrSi9-3 | X45CrSi8 | F.3220, X45CrSi09-03, X45CrSi9-3, X4ScrSi09-03 | 4Cr9Si2, 4Cr9Si8, ZG40Cr9Si2 | 4Ch9S2, 4Ch9S3, X45CrSi9-3 | SZ3 | H9S2 | 45SiCr90 | 17115 | STR1 |
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