DIN 17350
DIN 17350
DIN 17350
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40 Каталог марок сталей<br />
34CrNiMo6<br />
EN 10250-3<br />
Àíàëîãè:Analog<br />
GOST 34Õ2Í2Ì<br />
AISI 4340<br />
Ñòàëü êîíñòðóêöèîííàÿ ëåãèðîâàííàÿ.<br />
Ïðèìåíÿåòñÿ äëÿ èçãîòîâëåíèÿ êðóïíûõ îòâåòñòâåííûõ<br />
äåòàëåé: âàëû, øàòóíû, áîëòû,<br />
øïèëüêè è äðóãèå êðóïíûå òÿæåëîíàãðóæåííûå<br />
äåòàëè ñëîæíîé êîíôèãóðàöèè.<br />
Õèìè÷åñêèé ñîñòàâ / Chemical composition, %<br />
Îáëàñòü ïðèìåíåíèÿ / Scope<br />
Ñ Si Mn Cr Ni Mo S P<br />
0,30<br />
-0,38<br />
� 0.40 0,50<br />
-0,80<br />
1,30<br />
-1,70<br />
1,30<br />
-1,70<br />
0,15<br />
-0,30<br />
� 0.035 � 0.035<br />
Êðèòè÷åñêèå òî÷êè / Critical points, �Ñ<br />
Ac 1 Ac 3 Ar 3 Ar 1 M s M f<br />
753 790 490 370 320<br />
Âàëû, äèñêè / shafts,<br />
disks<br />
Âèä òåðìîîáðàáîòêè / Type of thermal processing<br />
Ïðåäåë òåêó÷åñòè<br />
Tensile yield<br />
Ïðåäåë âûíîñëèâîñòè<br />
Tensile strength<br />
Ïàðàìåòð<br />
Parameter<br />
Îòíîñèòåëüíîå óäëèíåíèå<br />
Elongation<br />
Îòíîñèòåëüíîå ñóæåíèå<br />
Reduction<br />
Ðàáîòà óäàðà<br />
Impact strength, DVM<br />
Óãîë èçãèáà<br />
Bending angle<br />
Structural alloy steel is considered for manufacturing<br />
of big sizes of critical parts: shafts, piston rods,<br />
screws, studs, and others heavy-loaded parts of irregular<br />
shape<br />
Òåìïåðàòóðíûé èíòåðâàë êîâêè /<br />
The temperature range of forging, �Ñ<br />
Íà÷àëî<br />
Îêîí÷àíèå êîâêè<br />
Êîâêè/at<br />
/at finish of forging<br />
start of Íà îñíîâíûõ îïåðàöèÿõ / Íà îòäåëî÷íûõ îïåðàöèÿõ<br />
forging main operations<br />
/ finishing operations<br />
1220 850 750<br />
Ìåñòî îòáîðà ïðîá / Place of sampling<br />
íà 1/6 äèàìåòðà èëè òîëùèíû ñòåíêè / at 1/6 of diameter or wall thickness<br />
Re MÐà<br />
Rm MÐà<br />
A %<br />
Z %<br />
KCU J<br />
Ìåõàíè÷åñêèå ñâîéñòâà / Mechanical properties<br />
Deg<br />
Íàïðàâëåíèå<br />
Direction<br />
Òàíãåíöèàëüíîå | tangential<br />
Çàêàëêà, îòïóñê /<br />
quenching and tempering<br />
Ðàñ÷åòíîå ñå÷åíèå èëè ìàññà äåòàëè / Designed section or weight of<br />
part<br />
� 160 mm 161-330 mm 331-660 mm<br />
Ïðîäîëüíûå:/ longitudinal 600 540 490<br />
Òàíãåíöèàëüíîå | tangential<br />
Ïðîäîëüíûå:/ longitudinal 800 750 700<br />
Òàíãåíöèàëüíîå | tangential<br />
Ïðîäîëüíûå:/ longitudinal 13 14 15<br />
Ðàäèàëüíîå | radial 9 10 11<br />
Òàíãåíöèàëüíîå | tangential<br />
Ïðîäîëüíûå:/ longitudinal<br />
Ðàäèàëüíîå | radial<br />
Ïðîäîëüíûå:/ longitudinal 45 45 40<br />
Òàíãåíöèàëüíîå | tangential<br />
Ðàäèàëüíîå | radial 22 22 20<br />
Òàíãåíöèàëüíîå | tangential<br />
Ïðîäîëüíûå:/ longitudinal
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