DIN 2391 bututun ƙarfe mara nauyi shine babban bututun ƙarfe na ƙarfe wanda aka sarrafa ta hanyar mirgina sanyi ko zane mai sanyi;Cikakken suna: Sanyi birgima ko sanyi ja daidaitaccen bututu maras sumul.Saboda da abũbuwan amfãni daga wani oxide Layer a kan ciki da kuma waje ganuwar daidai sumul karfe bututu, babu yayyo a karkashin high matsa lamba, high daidaici, high smoothness, babu nakasawa a lokacin sanyi lankwasawa, flaring, flattening, kuma babu fasa, ana amfani da yafi amfani. don samar da samfurori don abubuwan pneumatic ko na'ura mai aiki da karfin ruwa.
DIN 2391 Karfe bututu sa da sinadaran abun da ke ciki
Karfe daraja | Abubuwan sinadaran (%) | ||||
Sunan karfe | C max | Si max | Mn | P max | S max |
St 35 | 0.17 | 0.35 | ≥0.40 | 0.025 | 0.025 |
St 45 | 0.21 | 0.35 | ≥0.40 | 0.025 | 0.025 |
St 52 | 0.22 | 0.55 | ≤1.60 | 0.025 | 0.025 |
DIN 2391 Karfe bututu Mechanical Properties
Karfe Daraja | BK | BKW | BKS | GBK | NBK | |||||||
Rm N/mm min | A% min | Rm N/mm min | A% min | Rm N/mm min | ReH N/mm min | A% min | Rm N/mm min | A% min | Rm N/mm min | ReH N/mm min | A% min | |
St35 | 480 | 6 | 420 | 10 | 420 | 315 | 14 | 315 | 25 | 340-470 | 235 | 25 |
St45 | 580 | 5 | 520 | 8 | 520 | 375 | 12 | 390 | 21 | 440-570 | 255 | 21 |
St52 | 640 | 4 | 580 | 7 | 580 | 420 | 10 | 490 | 22 | 490-630 | 355 | 22 |
Din2391 yanayin bayarwa
Nadi | Alama | Bayani |
An gama sanyi (da wuya) | BK(+C) | Tubes ba sa shan maganin zafi bayan sanyi na ƙarshe kuma, don haka, suna da juriya ga nakasawa |
An gama sanyi (mai laushi) | BKW | Maganin zafi na ƙarshe yana biye da zane mai sanyi wanda ya ƙunshi ƙayyadaddun lalacewa.Ci gaba da aiki da ya dace yana ba da damar wani matakin sanyi (misali lankwasawa, faɗaɗa) |
(+LC) | ||
An gama sanyi kuma an kawar da damuwa | BKS(+SR) | Ana amfani da maganin zafi bayan tsarin samar da sanyi na ƙarshe.Dangane da yanayin aiki da ya dace, haɓakar abubuwan da suka rage na damuwa yana ba da damar ƙirƙira da mashin ɗin zuwa wani mataki. |
Annealed | GBK(+A) | Tsarin sanyi na ƙarshe yana biye da shi ta hanyar annealing a cikin yanayi mai sarrafawa. |
An daidaita | NBK(+N) | Tsarin kafa sanyi na ƙarshe yana biye da ɓarna a sama da wurin canji na sama a cikin yanayi mai sarrafawa. |
Samar da Tsari da fa'idodi
Karfe billet abu, bayan daidaitaccen zane, hadawan abu da iskar shaka free kuma haske zafi magani (NBK jihar), marasa lalacewa gwaji, high-matsi flushing da acid pickling na ciki rami na karfe bututu, anti tsatsa mai magani ga ciki da kuma waje ganuwar. na bututun ƙarfe, da maganin rigakafin ƙura don duka ƙarshen murfin.
1. Th ciki da waje ganuwar bututun karfe ba su da wani Layer oxide;
2.Withstand high matsa lamba, babu yayyo, high daidaici, high santsi;
3. Cold lankwasa ba tare da nakasawa, fadada, flattening ba tare da fasa;
4. The surface tsatsa rigakafin magani.
DIN 2391 bututun ƙarfe mara nauyi Aikace-aikacen
Na'ura mai aiki da karfin ruwa tsarin, allura gyare-gyaren inji, na'ura mai aiki da karfin ruwa inji, shipbuilding, EVA kumfa na'ura mai aiki da karfin ruwa inji, karfe bututu for madaidaici na'ura mai aiki da karfin ruwa yankan inji, takalma yin inji, na'ura mai aiki da karfin ruwa kayan aiki, high-matsi mai bututu, na'ura mai aiki da karfin ruwa bututu, ferrule hadin gwiwa, karfe bututu hadin gwiwa, roba inji , Injin ƙirƙira, Injin simintin tarwatsewa, Injin Injiniya, bututun ƙarfe mai ƙarfi don motar bututun famfo, abin hawan tsafta, masana'antar mota, masana'antar gini.Injin dizal, injin konewa na ciki, injin damfara, injinan gini, injinan noma da gandun daji, da dai sauransu, sanye take da mahaɗin bututun ƙarfe, haɗin gwiwar hannu, da bututun mai mai ƙarfi.
Lokacin aikawa: Mayu-18-2023