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China 27SiMn na'ura mai aiki da karfin ruwa karfe bututu manufacturer

Takaitaccen Bayani:

27SiMn m karfe bututu, watau 27 silicon manganese sumul karfe bututu, yana daya daga cikin kayan sumul karfe bututu, da carbon abun ciki ne tsakanin 0.24-0.32%.


Cikakken Bayani

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Bayani

27SiMn m karfe bututu, watau 27 silicon manganese sumul karfe bututu, yana daya daga cikin kayan sumul karfe bututu, da carbon abun ciki ne tsakanin 0.24-0.32%. An jera SIMN daban saboda abun ciki na manganese silicon a cikin abubuwa biyar (carbon C, silicon Si, manganese Mn, phosphorus P, sulfur s) kusan 1.10-1.40%. 27SiMn bututu mara nauyi ya dace da tashar wutar lantarki, injin tukunyar jirgi, masana'antar sinadarai, abin hawa da na'urorin jirgin ruwa, da sauransu.

27SiMn hydraulic steel pipe manufacturers have a large number of stocks

27SiMn, na'ura mai aiki da karfin ruwa strut bututu. Haɗaɗɗen lambar dijital: a10272

Matsayi: GB / t17396-2018

Babban Siffofin

Irin wannan karfe yana da mafi kyawun kaddarorin fiye da karfe 30Mn2, babban ƙarfin ƙarfi, ƙarfin ƙarfi mai ƙarfi diamita na 8 ~ 22mm a cikin ruwa, injina mai kyau, matsakaicin nakasar sanyi filastik da weldability; Bugu da ƙari, ƙarfin ƙarfe ba ya raguwa da yawa a lokacin maganin zafi, amma yana da ƙarfi sosai kuma yana juriya, musamman ma lokacin da ruwa ya kashe; Duk da haka, wannan karfe yana kula da farin tabo, rashin jin daɗi da kuma yawan zafin jiki yayin maganin zafi.

Misalin Aikace-aikace

Irin wannan nau'in karfe ana amfani da shi ne a cikin yanayin da aka kashe da kuma yanayin zafi don kera sassa masu zafi da ke buƙatar ƙarfin ƙarfi da juriya; Hakanan za'a iya amfani da shi a ƙarƙashin ƙayyadaddun kayan mirgina ko zafi, kamar fil ɗin tarakta, da sauransu.

Aikace-aikace

Aikace-aikace na 27 SIMN bututu maras kyau da kuma bututun ƙarfe na yau da kullun

27SiMn bututu maras nauyi

27SiMn bututu maras nauyi

1. M karfe bututu ga ruwa: GB / t8163-2018

2. M karfe bututu ga tukunyar jirgi: GB / t3087-2018

3. High matsa lamba sumul bututu ga tukunyar jirgi: GB / t5310-2018 (ST45.8 - irin III)

4. Babban matsa lamba mara ƙarfi bututu don kayan aikin taki: GB / t6479-2018

5. Bututun ƙarfe mara ƙarfi don hakowa na ƙasa: yb235-70

6. Bututun ƙarfe mara ƙarfi don hako mai: yb528-65

7. Bututun ƙarfe mara ƙarfi don fashewar mai: GB / t9948-2018

8. Bututun da ba shi da ƙarfi na musamman don abin wuyar haƙon mai: yb691-70

9. M karfe bututu don mota axle shaft: GB / t3088-2018

10. Bututun ƙarfe mara nauyi don jiragen ruwa: GB / t5312-2018

11. Cold kõma sanyi birgima daidai sumul karfe bututu: GB / t3639-2018

12. M karfe bututu don na'ura mai aiki da karfin ruwa prop: GB / t17396-2018

Kaddarorin injina na 27SiMn bututu mara nauyi

Ƙarfin ƙarfi σ b (MPa): ≥980

Ƙarfin yawan amfanin ƙasa σ s (MPa): ≥835

Tsawaitawa δ 5/(%): ≥12

Rage yanki ψ/(%): ≥40

Ƙarfin shayar da tasiri (ƙimar tasiri) (aku2 / J): ≥ 39

Hanyar gwaji don kayan aikin injiniya

Za a gwada duk bututun ƙarfe mara sumul don kayan aikin injiniya. Hanyoyin gwaji na kaddarorin inji an raba su zuwa nau'i biyu: gwajin tensile da gwajin taurin.

Gwajin juzu'i shine yin bututun ƙarfe mara sumul ya zama samfuri, ja samfurin zuwa karaya akan na'urar gwaji, sannan auna kaddarorin inji ɗaya ko da yawa. Yawancin lokaci, kawai ƙarfin juzu'i, ƙarfin yawan amfanin ƙasa, elongation bayan karaya da raguwar yanki ana auna.

Gwajin taurin shine a hankali danna mai shiga mai ƙarfi a cikin saman samfurin gwargwadon ƙayyadaddun sharuɗɗan, sannan a gwada zurfin ciki ko girman, don tantance taurin kayan.

Kyakkyawan machinability, matsakaici sanyi nakasawa filastik da weldability; Bugu da ƙari, ƙarfin ƙarfe ba ya raguwa da yawa a lokacin maganin zafi, amma yana da ƙarfi sosai kuma yana juriya, musamman ma lokacin da ruwa ya kashe; Duk da haka, wannan karfe yana kula da farin tabo, rashin jin daɗi da kuma yawan zafin jiki yayin maganin zafi.

Tsare-tsare don dubawa mai girma na bututun ƙarfe mara nauyi

Tsare-tsare don dubawa mai girma na bututun ƙarfe mara ƙarfi ya haɗa da abubuwan da ke biyowa:

1. Zurfin da girman decarburization surface.

2. Tsawon tsayi da zurfin lahani na mirgina, raguwar raguwa, tsakiya na tsakiya na carbon da sulfur.

3. Rarraba ferrite da pearlite a cikin bututun ƙarfe mara nauyi.

4. Sauran microstructure lahani, kazalika da hatsi size, m bututu surface roughness da hada abun ciki.


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