Iipayipi zentsimbi ezingenamthungo zithatha indawo ebalulekileyo kushishino lwanamhlanje kwaye zisetyenziswa kakhulu ekwakheni, ekuveliseni oomatshini, kwiikhemikhali nakwezinye iindawo.EN 10210icacisa ngokukodwa imibhobho yentsimbi engenamthungo yezakhiwo, apho i-BS EN 10210-1 yinkcazo ethile yeentsimbi zesakhiwo ezingenanto ezigoqekayo ezishushu kunye nezicoliweyo. Amanqanaba aqhelekileyo kulo mgangatho aquka i-S235GRH, i-S275JOH, i-S275J2H, i-S355JOH kunye ne-S355J2H.

Okokuqala, i-S235GRH yintsimbi yodidi olusisiseko, esetyenziswa kakhulu kwiindawo zesakhiwo phantsi koxinzelelo oluphantsi kunye nobushushu begumbi. Ngomlinganiselo oqinileyo we-235MPa, inokudityaniswa kakuhle kunye nokwakheka okubandayo, kwaye ifanelekile kulwakhiwo ngokubanzi kunye nezakhiwo zoomatshini.

Okulandelayo yi-S275JOH kunye ne-S275J2H. I-S275JOH inokuqina okuhle kwi--20℃ kunye namandla okuvelisa angama-275MPa, kwaye idla ngokusetyenziselwa ukwakha izakhiwo kunye neeprojekthi zeebhulorho ezinemithwalo ephakathi. I-S275J2H inokuqina okungcono kwi--20℃, kwaye ifanelekile kwiindawo zesakhiwo ezifuna ukhuseleko oluphezulu.

S355JOHkwayeS355J2Hziintsimbi ezinamandla aphezulu. I-S355JOH inokuqina okugqwesileyo kubushushu begumbi kunye nobushushu obuphantsi (-20℃), enamandla okuvelisa angama-355MPa, kwaye isetyenziswa kakhulu kwiiprojekthi zesakhiwo ezixineneyo nezibalulekileyo, njengezakhiwo eziphakamileyo kunye neebhulorho ezinkulu. I-S355J2H inokuqina okuphezulu kwi--20℃, kwaye ifanelekile kwiindawo ezibandayo kakhulu okanye iiprojekthi ezifuna uqinisekiso olongezelelweyo lokhuseleko.

Umgangatho we-EN 10210 awucacisi nje kuphela ukwakheka kweekhemikhali kunye neempawu zoomatshini zeepayipi zentsimbi, kodwa ukwabeka phambili iimfuno ezithile zokunyamezelana okulinganayo, umgangatho womphezulu, uvavanyo olungonakalisiyo, njl. Oku kuqinisekisa ukuhambelana kunye nokuthembeka kweepayipi zentsimbi ngexesha lokwenziwa nokusetyenziswa.

Iipayipi zentsimbi ezingenamthungo zenziwe ngetekhnoloji yokuqengqeleka eshushu, ebanika iipropati ezibalaseleyo zoomatshini kunye nokuchaneka okuhle kobukhulu. Inkqubo yokuqengqeleka eshushu inokususa uxinzelelo ngaphakathi kwipayipi yentsimbi, iphucule ulwakhiwo lwentsimbi, kwaye iphucule ukusebenza kwayo okubanzi. Xa kuthelekiswa neepayipi zentsimbi ezidityanisiweyo, iipayipi zentsimbi ezingenamthungo zinamandla aphezulu okuxinzelela, ukugoba kunye nokujika, kwaye zifanelekile ukuxhaswa kwesakhiwo kunye nokuthuthwa kolwelo phantsi kweemeko ezahlukeneyo zokusebenza ezinzima.

Ngokubanzi, iipayipi zentsimbi ezingenamthungo eziveliswa ngokwemigangatho ye-EN 10210 zibonisa ukusebenza okugqwesileyo kumacandelo okwakha kunye nemizi-mveliso. Iipayipi zentsimbi zemigangatho efana ne-S235GRH, S275JOH, S275J2H, S355JOH, kunye ne-S355J2H zineempawu zazo kwaye zinokuhlangabezana neemfuno zeeprojekthi ezahlukeneyo. Ukusetyenziswa kwazo ngokubanzi akuphuculi nje kuphela umgangatho kunye nokhuseleko lweeprojekthi, kodwa kukwakhuthaza uphuhliso kunye nobuchule betekhnoloji yezinto zentsimbi. Ukukhetha iipayipi zentsimbi ezingenamthungo zemigangatho efanelekileyo kunye neenkcukacha kubalulekile ukuqinisekisa uzinzo lwexesha elide kunye neenzuzo zoqoqosho zeeprojekthi.