Menene SS400 abu? Menene madaidaicin ƙimar ƙarfe na gida don SS400?

SS400ne a Jafananci misali carbon tsarin karfe farantin conforming zuwa JIS G3101. Ya yi daidai da Q235B a ma'auni na kasar Sin, tare da karfin juzu'i na 400 MPa. Saboda matsakaicin abun ciki na carbon ɗin sa, yana ba da ingantattun kaddarorin ma'auni, samun daidaituwa mai kyau tsakanin ƙarfi, ductility, da weldability, yana mai da shi mafi girman darajar da ake amfani da shi.
Bambance-bambance tsakaninQ235b Ss400:

Matsayi daban-daban:
Q235Byana bin ka'idojin kasa na kasar Sin (GB/T700-2006). “Q” yana nuna ƙarfin samarwa, ‘235’ yana nuna ƙaramin ƙarfin 235 MPa, kuma “B” yana nuna ƙimar inganci. SS400 yana bin ka'idar Masana'antu ta Jafananci (JIS G3101), inda "SS" ke nuna ƙarfe na tsari kuma "400" yana nuna ƙarfin ƙarfi fiye da 400 MPa. A cikin samfuran farantin karfe 16mm, SS400 yana nuna ƙarfin amfanin ƙasa 10 MPa sama da Q235A. Dukansu ƙarfin ƙarfi da haɓakawa sun zarce na Q235A.

 

Halayen Aiki:

A aikace-aikace masu amfani, duka maki biyu suna nuna irin wannan aiki kuma galibi ana sayar da su kuma ana sarrafa su azaman ƙarfe na carbon na yau da kullun, tare da bambance-bambancen da ba a bayyana su ba. Koyaya, daga ma'auni na ma'anar ma'anar, Q235B yana jaddada ƙarfin samarwa, yayin da SS400 ke ba da fifikon ƙarfin ƙarfi. Don ayyukan tare da cikakkun buƙatun don kayan aikin ƙarfe na ƙarfe, zaɓi ya kamata ya dogara da takamaiman buƙatu.

 

Q235A karfe faranti suna da kunkuntar aikace-aikace kewayon fiye da SS400. SS400 ainihin daidai yake da Q235 na China (daidai da amfani da Q235A). Koyaya, takamaiman alamomi sun bambanta: Q235 yana ƙayyade iyakokin abun ciki don abubuwa kamar C, Si, Mn, S, da P, yayin da SS400 kawai ke buƙatar S da P su zama ƙasa da 0.050. Q235 yana da ƙarfin yawan amfanin ƙasa fiye da 235 MPa, yayin da SS400 ya sami 245 MPa. SS400 (karfe don tsarin gabaɗaya) yana nuna ƙarfe na tsarin gabaɗaya tare da ƙarfin ɗaure wanda ya wuce 400 MPa. Q235 yana nuna ƙarfe na tsarin carbon na yau da kullun tare da ƙarfin yawan amfanin ƙasa wanda ya wuce 235 MPa.

 

Aikace-aikace na SS400: SS400 yawanci birgima cikin waya sanduna, zagaye sanduna, square sanduna, lebur sanduna, kwana sanduna, I-bim, tashar sassan, taga frame karfe, da sauran tsarin siffofi, kazalika da matsakaici-kauri faranti. Ana amfani da shi sosai a gadoji, jiragen ruwa, motoci, gine-gine, da tsarin injiniya. Yana hidima a matsayin ƙarfafa sanduna ko don gina factory rufin trusses, high-ƙarfin lantarki watsa hasumiyai, gadoji, motocin, tukunyar jirgi, kwantena, jiragen ruwa, da dai sauransu Har ila yau, yadu aiki ga inji sassa da kasa stringent yi bukatun. Hakanan za'a iya amfani da ƙarfe na daraja C da D don wasu ƙa'idodi na musamman.