SS400 hanya ce ta alama ta kayan ƙarfe na Jafananci da ma'aunin hukunci.
Ƙarfe na tsarin a cikin ma'auni na ƙasashen waje ana rarraba su bisa ga ƙarfin ƙarfi, kamar SS400 (alama kamar haka a Japan), inda 400 ke wakiltar σ Matsakaicin ƙimar b shine 400MP. Ƙarfe mai ƙarfi yana nufin σ Karfe ba kasa da 1373 Mpa ba.
1. Ma'anoni daban-daban
SS400: SS400 wata alama ce ta kayan ƙarfe a Japan da ma'aunin hukunci, daidai da ƙarfe Q235 a China.
Q235: Q235 talakawa carbon tsarin karfe kuma ake kira A3 karfe. Talakawa carbon tsarin karfe farantin karfe wani nau'i ne na kayan karfe.
2. Matsalolin yawan amfanin ƙasa daban-daban
Matsakaicin yawan amfanin ƙasa na Q235 ya fi 235 MPa, yayin da na SS400 shine 245 MPa.
3. Daban-daban daidaitattun lambobi
Madaidaicin lambar Q235 shine GB/T700. Matsakaicin adadin SS400 shine JIS G3101.
4. Karfi daban-daban
SS400: Ƙarfe na tsarin a ma'auni na ƙasashen waje galibi ana rarraba su gwargwadon ƙarfin ƙarfi, kamar SS400 (alama kamar haka a Japan), wanda 400 yana nufin σ mafi ƙarancin ƙimar b shine 400MPa. Ƙarfe mai ƙarfi mai ƙarfi yana nufin σ B Karfe bai kasa da 1373 Mpa ba.
Q235: Q yana wakiltar iyakar amfanin wannan abu. 235 mai zuwa yana nufin ƙimar amfanin wannan abu, wanda shine kusan 235MPa. Ƙimar yawan amfanin ƙasa za ta ragu tare da haɓaka kauri na abu. Saboda matsakaicin abun ciki na carbon, cikakkun kaddarorin suna da kyau, kuma ƙarfin, filastik da kayan walda sun dace sosai.
5. Kwatanta nau'ikan sinadarai tsakanin Q235 da SS400
Q235B carbon C: babu fiye da 0.18
Q235B Mn: 0.35-0.80
Q235B silicon Si: bai wuce 0.3
Q235B sulfur S: bai wuce 0.04
Q235B phosphorus P: bai wuce 0.04
SS400 sulfur S: bai wuce 0.05
SS400 Phosphorus P: bai wuce 0.05
6. Kwatanta kayan aikin injiniya tsakanin Q235 da SS400
Ƙarfin yawan amfanin Q235: ba kasa da 185 ba.
Q235 karfin juyi: 375-500
Q235 elongation: ba kasa da 21
SS400 yawan amfanin ƙasa: ba kasa da 215.
Ƙarfin SS400: 400-510
SS400 elongation: ba kasa da 17
Lokacin aikawa: Dec-21-2023
