EN39 S235GT da Q235 duka matakan ƙarfe ne da ake amfani da su don dalilai na gini.
EN39 S235GT daidaitaccen matakin ƙarfe ne na Turai wanda ke nufin ƙayyadaddun sinadaran da kaddarorin injin karfe.Ya ƙunshi Max.0.2% carbon, 1.40% manganese, 0.040% phosphorus, 0.045% sulfur, kuma kasa da 0.020% Al.Ƙarfin ƙarfi na EN39 S235GT shine 340-520 MPa.
Q235, a gefe guda, ƙimar ƙarfe ce ta Sinawa.Ya yi daidai da EN misali S235JR karfe sa wanda aka fi amfani da shi a Turai.Q235 karfe yana da abun ciki na carbon na 0.14% -0.22%, abun ciki na manganese na kasa da 1.4%, abun ciki na phosphorus na 0.035%, abun sulfur na 0.04%, abun ciki na silicon 0.12%.Ƙarfin juzu'i na Q235 shine 370-500 MPa.
A taƙaice, EN39 S235GT da Q235 suna da nau'ikan sinadarai iri ɗaya amma kaddarorin inji daban-daban.Zaɓin tsakanin su biyun ya dogara da takamaiman aikace-aikacen da buƙatun aikin.
Lokacin aikawa: Maris 29-2023