S355J2H bututu mara nauyiEN10210Turai misali bututu maras sumul.

S355J2H bututun ƙarfe mara nauyi shine nau'in ƙarfe da aka ƙayyade a cikiTS EN 10210-1: 2006"Ba-alloy da lafiya-grained tsarin karfe zafi-kafa tsarin bututu (m core abu) Part 1: Technical bayarwa bukatun", wanda bukatar -20 tasiri makamashi Isa fiye da 27J, shi ne wani low-gami high-ƙarfi karfe tare da filastik mai kyau da tasirin tasiri.

S355J2H m karfe bututu ne yafi amfani a low-zazzabi sauyin yanayi karfe tsarin injiniya, manyan-sikelin wasanni filin wasa yi, da kuma low-zazzabi ganga masana'antu.S355J2H karfe bututu kuma za a iya amfani da tekun mai dandali yi.S355J2H karfe bututu yana da kyau processability kuma zai iya aiwatar da low-zazzabi inji sassa.

Ma'auni na Turai EN10025-2 ya nuna cewa kalmar da ta fara da S karfe ce ta tsari, kuma 355 wanda ke biye yana nufin cewa mafi ƙarancin ƙarfin da ake samu a cikin ɗaki shine 355MPa.

S355J2H misali ne na Turai.Wannan kayan abu ne mai ƙarancin zafin jiki.Matsayinsa na aiwatarwa shineEN10210, akasari don bututun ƙarfe maras sumul da murabba'i da bututun rectangular maras kyau.

Bugu da kari, kamfanin namu yana gudanar da wasu bututun inji da bututun tsari, irin suASTM A519: Saukewa: ASTM A519-2006misali ne yafi amfani da sumul karfe bututu, carbon karfe bututu da gami inji bututu domin inji.Alloy inji bututu yafi hada
1018, 1026, 8620, 4130, 4140, da dai sauransu.

ASTM A53/A53MASTM A53 wani ma'auni ne da Ƙungiyar Gwaje-gwaje da Kayayyakin Amurka (ASTM) ta buga a hukumance wanda ke ƙayyadaddun bututun ƙarfe ko na galvanized, mara sumul ko welded carbon karfe.Yana daya daga cikin ka'idojin bututun karfe da aka fi amfani da shi a duniya kuma ana amfani da shi sosai a fannin mai, iskar gas, sinadarai, gine-gine da sauran masana'antu.