Yadda za a rarrabe kayan farantin karfe shine Q235 da Q345?

Q235 KarfedaQ345 Karfeba a bayyane a waje ba. Bambancin launi ba shi da alaƙa da kayan ƙarfe, amma yana haifar da hanyoyin sanyaya daban-daban bayan ƙarfe sun birgima. Gabaɗaya, farfajiya yana ja bayan sanyaya na halitta. Idan hanyar da aka yi amfani da ita tana sanyaya mai saurin sanyaya, saman samuwar mai dumin dumu, zai nuna baki.
Tsarin ƙarfi na gaba ɗaya tare da Q345, saboda Q345 fiye da Q245 Sama da Q235, haveaya, fiye da 23% Ajiye 15% - 20%. Don ƙirar sarrafawa mai zaman lafiya tare da Q235 mai kyau. Farashin bambancin kashi 3% --- 8%.

Amma ga tantancewa, akwai maganganu da yawa:
A.
1, za a iya amfani da masana'anta don gwada hanyoyin walda don rarrabe tsakanin kayan biyu. Misali, a cikin kwano biyu na farantin karfe biyu tare da sanda E43 Welding sanda zagaye zagaye zagaye.
2, masana'anta kuma na iya amfani da nika ƙafafun don rarrabe tsakanin kayan biyu. Q235 DA KYAUTA KYAUTA A lokacin da ke nika, Sparks alama ce mai zagaye, launi mai duhu. Da Q345 Sparks suna bifurcated, launi mai haske.
3, akwai kuma bisa ga bambancin launi mai launi guda biyu zai iya bambancewa tsakanin nau'ikan ƙarfe biyu. Janar, Q345 Kaen bakin launi Whitsh
B.
1, gwargwadon launi na farantin karfe na iya bambance tsakanin Q235 da Q345 na Q235 na Green, Q345 ga kore, Q345 kaɗan (wannan kawai don kawai a cikin filin ƙarfe, lokaci ne kawai don kawai a cikin filin ƙarfe, lokaci ne kawai don kawai a cikin filin ƙarfe, lokaci ne kawai don kawai a fannonin ƙarfe, lokaci ne kawai don kawai a fannonin ƙarfe, lokaci ne kawai don kawai a fannonin ƙarfe, lokaci ne kawai don kawai a fannonin ƙarfe, lokaci ne kawai don kawai a fannonin ƙarfe, lokaci ne kawai don kawai a fannonin ƙarfe, lokaci ne kawai don kawai a cikin filin ƙarfe, lokaci ne kawai don kawai a cikin filin ƙarfe, lokaci ne kawai don kawai a fannonin ƙarfe.
2, gwajin mafi girma shine bincike na sunadarai, Q235 da Q345 Carbon abun ciki ba iri ɗaya bane, yayin da abun kemini ba iri ɗaya bane. (Wannan hanya ce mara nauyi)
3, bambanci tsakanin Q235 da Q345 abu, tare da waldi: abubuwa biyu da ba a bayyana ba, idan akwai fasahar ƙarfe ɗaya na farantin karfe. (Wannan kwarewa ce mai amfani)