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BS700MCK2特種鋼板-國(guó)產(chǎn)耐磨板/高強(qiáng)度鋼板系列
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[2]。該鋼種采用低碳低合金結(jié)構(gòu)鋼設(shè)計(jì)，化學(xué)成分嚴(yán)格控制碳、硅、錳等元素含量，并添加鈮、釩、鈦、鉬等合金元素以提高性能。其力學(xué)性能突出，上屈服強(qiáng)度不低于700MPa，抗拉強(qiáng)度介于750～950MPa之間，兼具良好塑性（斷后伸長(zhǎng)率≥15%）和低溫韌性（-20℃沖擊吸收能量≥40J）。適用于起重機(jī)、混凝土泵車等工程機(jī)械制造 [1]，具有優(yōu)良的冷成形性和焊接工藝適應(yīng)性 [2]。材料類型高強(qiáng)度熱連軋鋼板及鋼帶 [1-2]屈服強(qiáng)度≥700MPa [1]抗拉強(qiáng)度750～950MPa [1]適用厚度2.0mm-14mm [1]生產(chǎn)工藝控軋或控軋加回火 [1]碳當(dāng)量≤0.47 [2]目錄1技術(shù)特性2力學(xué)性能3應(yīng)用領(lǐng)域4加工特性技術(shù)特性播報(bào)編輯采用控軋控冷工藝（TMCP）生產(chǎn)，通過細(xì)晶強(qiáng)化和析出強(qiáng)化機(jī)制實(shí)現(xiàn)高強(qiáng)度與良好韌性結(jié)合。其化學(xué)成分設(shè)計(jì)遵循嚴(yán)格標(biāo)準(zhǔn)，碳含量限制在低碳范圍，合金元素添加量經(jīng)過優(yōu)化以平衡強(qiáng)度與焊接性 [1-2]。力學(xué)性能播報(bào)編輯上屈服強(qiáng)度：≥700MPa（實(shí)測(cè)值通常在750MPa以上） [1]抗拉強(qiáng)度：750～950MPa [1]斷后伸長(zhǎng)率：≥15%（標(biāo)距80mm） [1]低溫沖擊韌性：-20℃條件下V型缺口試樣沖擊吸收能量≥40J [1]應(yīng)用領(lǐng)域播報(bào)編輯主要應(yīng)用于工程機(jī)械關(guān)鍵結(jié)構(gòu)部件制造，包括：工程機(jī)械用高強(qiáng)度熱連軋鋼板及鋼帶，適用于起重機(jī)、混凝土泵車等工程機(jī)械 [1]工程機(jī)械（如起重機(jī)、混凝土泵車）用高強(qiáng)度熱連軋鋼板及鋼帶 [1]工程機(jī)械、車輛結(jié)構(gòu)、集裝箱等制造行業(yè)用特種部件 [2]重型車輛底盤結(jié)構(gòu)件 [2]加工特性播報(bào)編輯焊接工藝：推薦采用MAG焊，適用于0℃以上環(huán)境焊接，焊接裂紋敏感指數(shù)（Pcm）≤0.21 [2]冷彎加工：允許進(jìn)行半徑≥2倍板厚的冷彎成形 [2]切割工藝：適用于火焰切割，需控制預(yù)熱溫度在150℃以下 [2]的圖片(1張)新手上路成長(zhǎng)任務(wù)編輯入門編輯規(guī)則本人編輯我有疑問內(nèi)容質(zhì)疑在線客服官方貼吧意見反饋投訴建議舉報(bào)不良信息未通過詞條申訴投訴侵權(quán)信息封禁查詢與解封?2025?Baidu?使用百度前必讀?|?百科協(xié)議?|?隱私政策?|?百度百科合作平臺(tái)?|?京ICP證030173號(hào)?京公網(wǎng)安備11000002000001號(hào)window.PAGE_DATA= 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BS700MCK2是寶鋼BS系列高強(qiáng)鋼之一，是工程機(jī)械用系列高強(qiáng)、超高強(qiáng)結(jié)構(gòu)鋼。寶鋼于2000年在國(guó)內(nèi)率先開發(fā)成功的一類熱軋新產(chǎn)品，牌號(hào)大多采用BS開頭，如第一代高強(qiáng)鋼BS600MC和BS700MC已大量應(yīng)用于工程機(jī)械、集裝箱等行業(yè)。 BS700MCK2牌號(hào)含義：The designation of BS700MCK2:B-寶鋼S-結(jié)構(gòu)鋼700-屈服強(qiáng)度等級(jí)MC-控軋控冷K2--20°沖擊值不小于40J寶鋼BS系列熱軋高強(qiáng)鋼可供規(guī)格如圖表所示：牌號(hào)可供厚度可供寬度可供長(zhǎng)度BS550-2.5-16850-17502000-12000BS600-2.5-16850-17502000-12000BS700-2.5-14850-16002000-12000BS960-4-10950-12002000-12000
滬ICP備2021035645號(hào)
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