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個(gè)人中心收藏查看我的收藏0有用+10Y12播報(bào)討論上傳視頻一種鋼材的代號(hào)Y12是中國(guó)GB/T 8731-1988標(biāo)準(zhǔn)下的易切削結(jié)構(gòu)鋼代號(hào)，分為硫磷復(fù)合低碳易切削鋼和快削鋼兩類，對(duì)應(yīng)國(guó)際牌號(hào)包括日本SUM21、美國(guó)B1112、德國(guó)10S20等。該鋼材主要用于制造螺栓、螺母、銷釘、軸類及儀器儀表等對(duì)力學(xué)性能要求不高的零件，可替代15號(hào)鋼使用 [2]。其化學(xué)成分包含碳（0.08%-0.16%）、硫（0.10%-0.20%）和磷（0.08%-0.15%），磷含量為同類鋼種中最高 [1-2]。熱軋狀態(tài)抗拉強(qiáng)度為390-540MPa，伸長(zhǎng)率≥22%，斷面收縮率≥36%；冷拉后強(qiáng)度隨尺寸增大遞減至490-755MPa，硬度范圍為152-217HB。產(chǎn)品形態(tài)含圓棒、方棒、六角棒及線材，交貨狀態(tài)需在合同中注明熱軋或冷拉形式。該材料切削速度可達(dá)60m/min，具有斷屑性能優(yōu)良、刀具磨損低等特點(diǎn)，適用于自動(dòng)車床加工及精密零件制造。中文名Y12
鋼材名稱易切削結(jié)構(gòu)鋼
執(zhí)行標(biāo)準(zhǔn)GB/T 8731-1988
應(yīng) 用螺栓、螺母、銷釘、軸、管接頭

目錄
1基本信息?特性?用途2力學(xué)性能?交貨狀態(tài)?化學(xué)成份3鋼廠現(xiàn)貨規(guī)格
基本信息
播報(bào)編輯牌　號(hào)：Y12特性Y12硫磷復(fù)合低碳易切削鋼，是現(xiàn)有易切削鋼中磷含量最多的一個(gè)鋼種。常用于制造對(duì)力學(xué)性能要求不高的各種機(jī)器和儀器儀表零件。用途Y12快削鋼常代替15號(hào)鋼制造對(duì)力學(xué)性能要求不高的各種零件，如螺栓、螺母、銷釘、軸、管接頭及火花塞外套等。
力學(xué)性能
播報(bào)編輯易切削鋼Y12圓棒和六角鋼圖片抗拉強(qiáng)度σb(Mpa)：(熱軋)390～540; (冷拉)鋼材厚度或直徑 8～20時(shí):530～755; ＞20～30時(shí):510～735; ＞30時(shí):490～685伸長(zhǎng)率δ5(%)：(熱軋)≥22;(冷軋)≥7.0斷面收縮率ψ(%)：(熱軋)≥36硬度：(熱軋)≤170HB;(冷拉)152～217HB交貨狀態(tài)交貨狀態(tài)：以熱軋或冷拉狀態(tài)交貨，交貨狀態(tài)應(yīng)在合同中注明。化學(xué)成份碳 C (%)：0.08～0.16硅 SI (%)：0.15～0.35錳 MN (%)：0.70～1.00硫 S (%)：0.10～0.20磷 P (%)：0.08～0.15 [1]
鋼廠現(xiàn)貨規(guī)格
播報(bào)編輯圓棒、方棒、六角棒品名規(guī)格/mm材質(zhì)品名規(guī)格/mm材質(zhì)光亮圓棒3.0-25Y12熱軋鋼板4-10Y12熱軋圓鋼12-50Y12熱軋鋼板8-10Y12熱軋圓鋼Ф100-130Y12熱軋鋼板12-16Y12熱軋圓鋼Ф140-150Y12熱軋鋼板18-20Y12熱軋圓鋼Ф160-170Y12熱軋鋼板22-28Y12熱軋圓鋼Ф16-40-85Y12熱軋鋼板30-34Y12熱軋圓鋼Ф16-45Y12熱軋鋼板35-80Y12熱軋圓鋼100-200Y12熱軋鋼板75-90Y12熱軋圓鋼50-90-120Y12鍛打鋼板80-100Y12熱軋圓鋼290-500Y12鍛打鋼板100-200Y12熱軋圓鋼500-1500Y12六角圓鋼3.0-5.0-10.0Y12熱軋圓鋼Ф50-70Y12方棒3.0-10.0-20.0Y12熱軋圓鋼Ф50-90Y12熱軋鋼板100-200Y12熱軋圓鋼Ф50-95Y12--Y12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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