Cold Rolled SPCC sanannen alama ce a cikin cinikin ƙarfe, kuma galibi ana yiwa lakabi da 'farantin birgima', 'amfani na yau da kullun', da sauransu.Duk da haka, abokai ƙila ba su san cewa akwai kuma '1/2 hard', 'annealed only', 'pitted ko santsi', da sauransu a cikin ƙa'idar SPCC.Ban gane tambayoyi kamar "Mene ne bambanci tsakanin SPCC SD da SPCCT?"
Har yanzu muna cewa a cikin cinikin karafa, "idan kun sayi abin da bai dace ba, za ku yi asara."Editan zai yi muku nazari dalla-dalla a yau.
SPCC Brand Traceability
An samo SPCC daga JIS, wanda shine taƙaitaccen Matsayin Masana'antu na Japan.
An haɗa SPCC a cikin JIS G 3141. Sunan daidaitaccen lambar shine "Cold Rolled Karfe Plateda Steel Strip", wanda ya haɗa da maki biyar: SPCC, SPCD, SPCE, SPCF, SPCG, da sauransu, waɗanda suka dace da buƙatun aikace-aikacen daban-daban.
Daban-daban matakan zafi na SPCC
Sau da yawa muna cewa alamar kasuwanci ba za ta wanzu ita kaɗai ba.Cikakken bayanin shine daidaitaccen lamba + alamar kasuwanci + kari.Tabbas, wannan ka'ida ita ma ta zama gama gari ga SPCC.Matsaloli daban-daban a cikin ma'auni na JIS suna wakiltar samfurori daban-daban, mafi mahimmancin su shine lambar zafi.
Matsayin zafin jiki:
A - Annealing kawai
S——Madaidaicin digiri
8——1/8 mai wuya
4-- 1/4 mai wuya
2-- 1/2 mai wuya
1-- mai wuya
Abin da ke yi [annealing kawai] da [digiri na empering] nufi?
Ma'auni na yanayin zafi yawanci yana nufin annealing + tsarin smoothing.Idan ba lebur ba, to [an annealed kawai].
Duk da haka, da yake aikin gyaran masana'antar karafa a halin yanzu yana da na'ura mai laushi, kuma idan ba daidai ba ne, ba za a iya tabbatar da siffar farantin ba, don haka ba a cika ganin kayan da ba su dace ba a yanzu, wato, samfurori irin su SPCC A ba su da yawa.
Me yasa babu buƙatu don samar da juriya, juriya, da tsawo?
Domin babu buƙatu a cikin ma'aunin JIS na SPCC.Idan kuna son tabbatar da ƙimar gwajin tensile, kuna buƙatar ƙara T bayan SPCC don zama SPCCT.
Menene 8, 4, 2,1 kayan wuya a cikin ma'auni?
Idan an daidaita tsari na annealing daban-daban, za a sami samfurori tare da taurin daban-daban, kamar 1/8 wuya ko 1/4 wuya, da dai sauransu.
Lura: Ya kamata a lura da cewa "hard" da ke wakilta da suffix 1 ba shine abin da muke kira "hard rolled coil".Har yanzu yana buƙatar rage zafin jiki annealing.
Menene bukatun aiki don kayan aiki masu wuya?
Komai yana cikin ma'auni.
Don samfurori tare da taurin daban-daban, kawai ƙimar taurin yana da garanti, da sauran dalilai kamar yawan amfanin ƙasa, ƙarfin ƙarfi, elongation, da dai sauransu, har ma da sinadaran ba a tabbatar da su ba.
Tips
1. A cikin ciniki, sau da yawa muna ganin cewa wasu nau'ikan SPCC ba su da ƙari S akan takaddun garanti na kamfanoni na China.Wannan yawanci yana wakiltar ma'aunin zafin jiki ta tsohuwa.Saboda dabi'un aikace-aikacen kasar Sin da tsarin kayan aiki, annealing + smoothing tsari ne na al'ada kuma ba za a yi bayani musamman ba.
2. Yanayin saman kuma alama ce mai mahimmanci.Akwai yanayi sama biyu a cikin wannan ma'auni.
Lambar matsayi na saman
D——noodles masu busa
B——mai sheki
Filaye masu laushi da ramuka ana samun su ta hanyar abin nadi (nadi mai laushi).Ana kwafi ƙarancin saman nadi zuwa farantin karfe yayin aikin nadi.Nadi tare da m surface zai samar da wani rami rami, da kuma abin nadi da m surface zai samar da m surface.Filaye masu laushi da rubutu suna da tasiri daban-daban akan sarrafawa, kuma zaɓi mara kyau na iya haifar da matsalolin sarrafawa.
3. A ƙarshe, muna fassara wasu al'amura na yau da kullun na daidaitattun ginshiƙai a cikin takaddun garanti, kamar:
JIS G 3141 2015 SPCC 2 B: 1/2 wuya mai sheki SPCC wanda ya dace da buƙatun sigar 2015 na ma'aunin JIS.Wannan samfurin yana ba da garantin taurin kawai, kuma baya bada garantin sauran abubuwan haɓakawa, yawan amfanin ƙasa, ƙarfin ɗaure, tsawo da sauran alamomi.
Lokacin aikawa: Dec-19-2023