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Q345D low zafin jiki resistant karfe bututu ingancin tabbaci

Takaitaccen Bayani:

Q345D abu ne na bututun ƙarfe. Q yana wakiltar yawan amfanin wannan abu. 345 mai zuwa yana nufin ƙimar amfanin wannan abu, wanda shine kusan 345. Ƙimar yawan amfanin ƙasa yana raguwa tare da karuwar kauri.


Cikakken Bayani

Tags samfurin

Main halaye na Q345D sumul karfe bututu

Kyakkyawan kaddarorin injiniyoyi masu kyau, weldability, sanyi da aiki mai zafi da juriya na lalata, da ƙarancin zafin jiki mai kyau.

Q345D m karfe bututu samfurin aikace-aikace

Jirgin ruwa, tukunyar jirgi, tasoshin matsa lamba, tankunan ajiyar mai, gadoji, kayan aikin tashar wutar lantarki, injinan ɗagawa da jigilar kayayyaki da sauran sassa na gine-gine masu welded tare da babban lodi.

Kwatanta Q345D bututun ƙarfe mara nauyi tare da tsohon misali

An kashe karfe 18nb mai dauke da Nb mai dauke da kadarori irin na 14MnNb, ana amfani da su ne musamman ga cranes, busa, injinan sinadarai, da dai sauransu.

09mncupti na yanayi lalata resistant karfe yana da kyau low-zazzabi tasiri tauri, weldability da sanyi da zafi workability. Ana amfani da shi ne don kowane nau'in injuna a wuraren damina da ruwan sama da kuma gurɓataccen yanayi

12mnv low zafin jiki karfe tare da aiki zafin jiki na - 70 ℃ ne yafi amfani da tsarin sassa na refrigeration inji aiki a low zazzabi

14MnNb yana da irin wannan kaddarorin zuwa karfe 18nb kuma ana amfani dashi galibi don tasoshin da sauran sassan tsarin tare da zafin aiki na -20-450 ℃

16Mn yana da ingantattun kaddarorin inji, ƙarancin zafin jiki, aikin hatimin sanyi, aikin walda da machinability. Ana amfani da shi musamman wajen hako ma'adinai, sufuri, masana'antar sinadarai da sauran injuna

Kaddarorin 16mnre sun yi kama da karfe 16Mn, tasirin tauri da kaddarorin lankwasa sanyi sun fi miliyan 16, kuma manufar iri ɗaya ce da karfe 16Mn.

Q345D karfe bututu ne daya daga cikin kayan na karfe bututu.

Q345D karfe bututu

Q345D karfe bututu

Q345A, Q345B, Q345C, Q345D da Q345E sune ingantattun maki. Suna haɓaka daga a zuwa e, galibi saboda bambancin yanayin zafi da ke haifar da nau'ikan abubuwan da ke cikin microelements daban-daban kamar su phosphorus da sulfur, wanda ke wakiltar bambancin yanayin tasirin tasirin da kayan aikin injin bututu.

Q345A, babu tasiri; Q345B, 20 ° tasirin zafin jiki na al'ada; Q345C, tasirin digiri 0; Q345D, shine - tasirin digiri na 20; Q345E shine - tasirin digiri 40. A yanayin zafi daban-daban na tasiri, ƙimar tasirin kuma sun bambanta.

Q ƙarfin amfanin gona bai ƙasa da 345mp ba, kuma ƙimar inganci yana nuna cewa yana ɗauke da abubuwa marasa ƙazanta (carbon, manganese, silicon, sulfur da phosphorus). Shin adadin ƙazanta (kasuwanci) a cikin ƙarfe. Daga baya A, B, C da D, ƙarancin ƙazantaccen abun ciki

Q345A ya ƙunshi duka phosphorus da sulfur ƙasa da ko daidai da 0.045%

Q345B ya ƙunshi duka phosphorus da sulfur ƙasa da ko daidai da 0.040%

Q345C ya ƙunshi duka phosphorus da sulfur ƙasa da ko daidai da 0.035%

Q345D ya ƙunshi duka phosphorus da sulfur ƙasa da ko daidai da 0.030%

Q345E ya ƙunshi duka phosphorus da sulfur ƙasa da ko daidai da 0.025%

Mafi yawan sinadarin phosphorus da sulfur a cikin ƙarfe, mafi munin tasirin tasirin

Q345A -

Q345B Akv ba kasa da 34 a 20 ℃

A Q345C 0 ℃, Akv ba zai zama ƙasa da 34 ba

Q345D - Akv ba kasa da 34 a 20 ℃

A Q345E - 40 ℃, Akv bai kasa da 27 ba

Dalili na ƙarshe shi ne cewa raguwa na P da s a cikin karfe yana inganta haɓakar tasirin tasiri a ƙananan zafin jiki. Ɗaya shine sinadarai na Q345 kuma ɗayan shine kayan aikin injiniya na Q345.

C:≤0.18 Si:0.20-0.60 Mn:1.00-1.60 P:≤0.030 S:≤0.030 Ni:≤0.30 Cr≤0.30 Cu:≤0.20 Al:≥0.015 V:0.01-0.0.05-0.0.

Chemical abun da ke ciki na Q345B bututu maras kyau:

C:0.12-0.20 Si:0.20-0.60 Mn:1.00-1.60 P:≤0.040 S:≤0.040 Ni:≤0.30 Cr:≤0.30 Cu:≤0.20 V:0.02-0.015 Nb-0.06

Chemical abun da ke ciki na Q345A bututu maras kyau:

C:0.12-0.20 Si:0.20-0.60 Mn:1.00-1.60 P:≤0.045 S:≤0.045 Ni:≤0.30 Cr:≤0.30 Cu:≤0.20 V:0.02-0.015 Nb-0.06

Chemical abun da ke ciki na Q345C bututu maras kyau:

C:0.12-0.20 Si:0.20-0.60 Mn:1.00-1.60 P:≤0.035 S:≤0.035 Ni:≤0.30 Cr:≤0.30 Cu:≤0.20 Al:≥0.015-V:0.0.015-0:0.015

Chemical abun da ke ciki na Q345E bututu maras kyau:

C:≤0.18 Si:0.20-0.60 Mn:1.00-1.60 P:≤0.025 S:≤0.025 Ni:≤0.30 Cr≤0.30 Cu:≤0.20 Al:≥0.015 V: 0.01-0.0.05-0.0.

Kayan inji na Q345D bututu maras nauyi:

Ƙarfin ƙarfi: 490-675 ƙarfin yawan amfanin ƙasa: ≥ 345 elongation: ≥ 22

Kaddarorin injina na Q345B bututu mara nauyi:

Ƙarfin ƙarfi: 490-675 ƙarfin yawan amfanin ƙasa: ≥ 345 elongation: ≥ 21

Kaddarorin injina na Q345A bututu mara nauyi:

Ƙarfin ƙarfi: 490-675 ƙarfin yawan amfanin ƙasa: ≥ 345 elongation: ≥ 21

Kaddarorin injina na Q345C bututu mara nauyi:

Ƙarfin ƙarfi: 490-675 ƙarfin yawan amfanin ƙasa: ≥ 345 elongation: ≥ 22

Kaddarorin injina na Q345E bututu mara nauyi:

Ƙarfin ƙarfi: 490-675 ƙarfin yawan amfanin ƙasa: ≥ 345 elongation: ≥ 22


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