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Q345 ASTMGr.50 ISOE355CC JISSN400 daawaha hoose ee xoogga sare ee tuubada birta ah

Sharaxaad Gaaban:

Q345 dhuumaha aan kala go 'lahayn waxaa iska leh taxanaha daawaha hoose - birta qaab dhismeedka xoogga sare ee alloy hoose (GB / t1591-1994).Q345A, B, C, D iyo E waa darajooyinka matale ee birta noocaan ah.Marka la barbar dhigo birta qaab dhismeedka kaarboon, Q345A waxay leedahay faa'iidooyinka xoogga sare, wax qabad wanaagsan oo dhamaystiran, nolol adeeg oo dheer, kala duwanaansho codsi oo ballaaran iyo dhaqaale ahaan.Waxaa si weyn loogu isticmaalaa buundooyinka, maraakiibta, kululeeyaha, baabuurta iyo dhismayaasha muhiimka ah ee dhismaha.


Faahfaahinta Alaabta

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Sharaxaada Alaabta

Q345 waa nooc ka mid ah birta-daawaha hoose oo leh sifooyin farsamo oo dhammaystiran oo wanaagsan, guryaha heerkulka hooseeya, caagagga wanaagsan iyo alxanka.Waxaa loo isticmaalaa weelasha cadaadiska dhexdhexaadka ah iyo kuwa hooseeya, taangiyada saliidda, baabuurta, wiishashka, mishiinada macdanta, saldhigyada korontada, buundooyinka iyo dhismayaasha kale, qaybaha farsamada, dhismayaasha dhismaha iyo qaababka guud ee biraha ee culeyska firfircoon.Q345A, Q345B, Q345C, Q345D, Q345E.Sababta ugu weyn ayaa ah in heerkulka saameyntu uu ka duwan yahay.Heerka Q345A, maaha in la sameeyo saameyn;Q345B, 20 ℃ saamaynta heerkulka qolka;Q345C, saamaynta heerka 0;Q345D waa - saamaynta 20 darajo;Q345E waa - saamaynta 40 darajo.Heerkulka saameynta kala duwan, qiimaha saameyntu waa ka duwan yahay.Saxanka dhexdiisa, waxa iska leh taxanaha daawaha hoose.Maaddada alloy-ga hooseeya, maaddadan ayaa ah tan ugu caansan.Q345 waxa la odhan jiray 16Mn.Sababtoo ah hirgelinta heerka caadiga ah, saxan birta noocan oo kale ah ayaa loo oggol yahay in lagu keeno dulqaad taban.

Halbeegga Alaabta

Taagan GB ASTM ISOJIS DIN
Heerka tuubada birta Q345 16MN E355CC E355M Gr.50 SN400 S355JR
Dherer duub kulul (la fidiyay oo la ballaariyay):3-12m
Dhexroorka dibadda kulul duudduubay: 32-756mm
dhumucda gidaarka 2.5-100mm
Adeegga Habaynta Goynta ama iyadoo loo eegayo baahida macaamilka
Faahfaahinta Baakadaha Baakad qaawan / kiis alwaax ah / maro aan biyuhu lahayn
Shuruudaha Lacag-bixinta T/TL/C marka la eego
20 cagood weel ka kooban cabbir Dhererka ka hooseeya 6000mm
40 cagood weel ka kooban cabbir Dhererka ka hooseeya 12000mm

 

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Halabuurka Kiimikada

Q345A: C≤0.20, Mn ≤1.70, Si≤0.50, P≤0.035, S≤0.035;

Q345B: C≤0.20, Mn ≤1.70, Si≤0.50, P≤0.035, S≤0.035;

Q345C: C≤0.20, Mn ≤1.70, Si≤0.50, P≤0.030, S≤0.030, Al≥0.015;

Q345D: C≤0.18, Mn ≤1.70, Si≤0.50, P≤0.030, S≤0.025, Al≥0.015;

Q345E: C≤0.18, Mn ≤1.70, Si≤0.50, P≤0.025, S≤0.020, Al≥0.015;

Q345A, B, C, D, E均含Nb≤0.07, V≤0.15, Ti≤0.20, Cr≤0.30, Ni≤0.012, Mo≤0.10.

Codsiga Alaabta

Q345 waa nooc ka mid ah birta daawaha hoose leh oo leh sifooyin farsamo oo dhamaystiran, sifooyinka heerkulka hooseeya, caagagga wanaagsan iyo alxanka.Waxaa loo isticmaalaa weelasha cadaadiska dhexdhexaadka ah iyo kuwa hooseeya, taangiyada saliidda, gawaarida, wiishashka, makiinadaha macdanta, saldhigyada korontada, buundooyinka iyo dhismooyinka kale, qaybaha farsamada, dhismayaasha dhismaha iyo qaybaha guud ee dhismaha birta ee culeyska firfircoon.

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