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ASTM A53 Gr.A & Gr.B Carbon ERW Karfe Bututu don Babban Zazzabi
ASTM A53, ASME SA53 karfe bututu daidaitaccen ƙayyadaddun ƙayyadaddun bututun ƙarfe na ƙarfe mara nauyi da welded da bututun ƙarfe na galvanized mai zafi.Ya ƙunshi masu girma dabam a cikin NPS 1/8 zuwa NPS 26.
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TS EN 10210 S355J2H TUPU KARFE ERW
Wannan ƙayyadaddun ya ƙunshi bututun ƙarfe na carbon don sabis na zafi mai zafi.
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JIS G3454 Carbon ERW Karfe bututu sabis
Bututu da aka ba da oda a ƙarƙashin wannan ƙayyadaddun shine don sabis na matsa lamba a matsakaicin matsakaicin zafin jiki na 350 ℃.
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JIS G 3452 Carbon ERW Bututun Karfe don Bututun Talakawa
Ana amfani da bututun da aka ba da oda a ƙarƙashin wannan ƙayyadaddun bayanai ana amfani da shi musamman don bututu don isar da tururi, ruwa (ban da sabis na samar da ruwa na jama'a), mai, gas, iska, da sauransu. A ƙarancin matsi na aiki.
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EN10219 S275J0H S275J2H / S275JRH TSIRACTURAL ERW Karfe Piles bututu
Wannan ƙayyadaddun ya haɗa da bututun ƙarfe mara ƙarfi (sanyi da aka kafa welded sassan sassa na madauwari, murabba'i ko murabba'ai da sassan da aka kafa sanyi ba tare da maganin zafi na gaba ba) don amfani da tsarin.