今天對(duì)鋼軌是65號(hào)鋼嗎?鋼軌是65號(hào)鋼嗎?進(jìn)行介紹;導(dǎo)讀目錄:1、鋼軌是65號(hào)鋼嗎?鋼軌是65號(hào)鋼嗎?是的,國(guó)際標(biāo)準(zhǔn)化組織標(biāo)準(zhǔn)(ISO):TypeSC,TypeDC,特點(diǎn)及應(yīng)用例:經(jīng)過(guò)適當(dāng)?shù)臒崽幚砘蚶涠雀?,焊接性差。易形成裂紋,不宜焊接,切削性差,冷變形塑性低,淬透性差。或正火處理,鋼材名稱(chēng):65統(tǒng)一數(shù)字代碼:U20652其特點(diǎn)是,在相同...