Square karfe bututu ne wani nau'i na square bututu, wanda shi ne karfe bututu da daidai tarnaƙi. Tatsin karfe ne da aka sarrafa aka yi birgima. Gabaɗaya, tsiri yana buɗewa, baƙaƙe, ya gurɓata, a yi masa walda don samar da bututu mai zagaye, sannan a mirgina shi cikin bututu mai murabba'i ta bututu mai zagaye sannan a yanke shi zuwa tsayin da ake so. Yawancin lokaci 50 kowace fakiti.
1. Yana iya aiwatar da ma'auni na sanyi-kafa m karfe don GB6728-2002 tsarin.
2. JISG3466-88 Japan janar gini square tube karbuwa kewayon misali za a iya aiwatar.
| Tsayin Wuta: | 15*15-500*500mm |
| Tsawon: | Max. mita 12 |
| Daidaito: | GB, ANSI, ASME, ASTM, JIS, DIN, BS, EN |
| Matsayin Karfe: | Q195/Q215/Q235/Q345/10#/20#/ ASTM A106 GRB |
| Shiryawa: | Hexagonal daure na max. 3,000kg tare da ɗigon ƙarfe da yawa, tags guda biyu akan kowane gunki, Nannade cikin takarda mai hana ruwa |
| Gwaji: | Nazari na Abubuwan Sinadarai, Abubuwan Injini (Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfafawa, Ƙarfin Ƙarfafawa), Ƙarfin Fasaha (Gwajin Ƙarfafawa, Gwajin Lankwasawa, Gwajin Busa, Gwajin Tasiri), Ƙirar Girman Waje, Gwajin Hydrostatic, Gwajin X-ray. |
| GIRMA: | Hot birgima: W.T: 1.0-25mm |
| Sanyi birgima: W.T: 0.6-1.5mm | |
| Sauran Jiyya na Surface: | fentin harafi, embossed, zanen |
| Amfani: | Domin gini , tsarin, furniture, guardrail, shinge |
