HSS na nufin sashin ƙarfe mai rami. Sashen ƙarfe mai rami (HSS) an yi shi ne kawai da ƙarfe mai tsari a kowace lamba. Farantin ƙarfe mai faɗi ana canza shi a hankali zuwa siffofi daban-daban ta hanyar haɗa gefuna kamar zagaye ko zagaye, elliptical, murabba'i, da murabba'i yayin aikin ƙera shi. Sashen ƙarfe mai rami murabba'i da murabba'i wani lokacin ana kiransa sassan ƙarfe mai rami murabba'i ko sassan akwati.
Youfa mai zafi sayarwa mai laushi mai laushi na ƙarfe
Sassan ƙarfe masu laushi, waɗanda aka fi sani da bututun ƙarfe na tsari ko sassan tsarin rami, nau'in ƙarfe ne da ake samar da shi zuwa sashin bututu mai zurfi. Sassan ƙarfe masu laushi an rarraba su zuwa manyan nau'i uku: sassan murabba'i mai kusurwa huɗu (RHS), sassan murabba'i mai murabba'i (SHS) da sassan rami mai zagaye (CHS). Kowane nau'in ɓangaren rami yana da nasa halaye kuma yana aiki da takamaiman manufa. Sassan ƙarfe masu laushi suna cikin matakan sanyi da zafi, S275 da S355. Ana amfani da sassan ƙarfe masu laushi a cikin aikace-aikacen gini da na injiniya iri-iri, inda ake amfani da su azaman firam, ginshiƙai, shinge da katako.
Ma'auni da matakin ƙarfe na sassan ƙarfe marasa rami
| Ma'auni | GB/T3091 GB/T13973 | API 5L ASTM A53 | ISO65 | BS1387 EN10219 | DIN2440 | JIS G3444 |
| Daidai matakin ƙarfe | Q195 | GR.A | √ | S195 | S195 | - |
| Q235 | GR.B | - | S235 | - | STK400 | |
| Q355 | GR.C | - | S355 | - | STK490 |
Kayayyakin sinadarai na sassan gine-gine masu rami
| Sashen ƙarfe mai laushi mara nauyi Tsarin sinadarai, WT≤16mm | |||||||||||
| Daidaitacce | Karfe matakin | C (matsakaicin)% | Si (matsakaicin)% | Mn (matsakaicin)% | P (matsakaicin)% | S (matsakaicin)% | Cr (matsakaicin)% | Ni (matsakaicin)% | Cu (matsakaicin)% | N (matsakaicin)% | CEV (matsakaicin)% |
| GB/T 700-2006 | Q235A | 0.22 | 0.35 | 1.4 | 0.045 | 0.05 | - | - | - | - | - |
| GB/T 700-2006 | Q235B | 0.2 | 0.35 | 1.4 | 0.045 | 0.045 | - | - | - | - | - |
| GB/T1591—2018 | Q355B | 0.24 | 0.55 | 1.6 | 0.035 | 0.035 | 0.3 | 0.3 | 0.4 | 0.012 | 0.45 |
Kayayyakin injina na sassan ƙarfe masu laushi na tsarin
| Kayan aikin injiniya, WT≤16mm | |||
| Daidaitacce | Mafi ƙarancin yawan amfanin ƙasa ƙarfi MPa | Ƙarfin tauri MPa | Mafi ƙarancin tsawo % |
| GB/T 700-2006 | 235 | 370-500 | 26 |
| GB/T 700-2006 | 235 | 370-500 | 26 |
| GB/T1591—2018 | 355 | 470-630 | 20 |
sassan ƙarfe masu laushi na kamfanin Youfa sun haɗa da sassan ƙarfe masu launin galvanized
1. Sashen ƙarfe mara nauyi da aka yi da galvanized
2. Sashen ƙarfe mai kauri na RHS SHS
Lokacin Saƙo: Yuli-25-2025