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45Cr

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Price: $7,600.00 Price
Product: Chrome Ores
Quantity: 150.00 mt
Area: China,Zhejiang,Jiaxing
Validity: 5/29/2015
Chrome Ores Products

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Contact:馬小姐
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<p style="margin: 0px; padding: 0px 12px; outline: 0px; text-indent: 2em; color: rgb(0, 0, 0); font-family: Arial, Helvetica, sans-serif; line-height: 24px;"> &nbsp;</p> <p style="margin: 0px; padding: 0px 12px; outline: 0px; text-indent: 2em; color: rgb(0, 0, 0); font-family: Arial, Helvetica, sans-serif; line-height: 24px;"> <span style="margin: 0px; padding: 0px; outline: 0px; font-size: 14px; font-family: arial, sans-serif; line-height: 28px;"><strong>45Cr</strong></span></p> <p style="margin: 0px; padding: 0px 12px; outline: 0px; text-indent: 2em; color: rgb(0, 0, 0); font-family: Arial, Helvetica, sans-serif; line-height: 24px;"> <span style="margin: 0px; padding: 0px; outline: 0px; font-size: 14px; font-family: arial, sans-serif; line-height: 28px;">這是一種取代40Cr鋼比較成功的新鋼種,它具有較高的強度、硬度、&nbsp;耐磨性及良好的韌性,其淬透性較40Cr稍高,在油中臨界淬透直徑達18~33mm;正火后可切削性良好,冷拔、滾絲、攻絲和鍛造、熱處理工藝性能也都較好,高溫下晶粒長大、氧化、脫碳傾向及淬火變形傾向均較小;但有回火脆性,回火穩(wěn)定性比40Cr鋼稍差。</span></p> <p style="margin: 0px; padding: 0px 12px; outline: 0px; text-indent: 2em; color: rgb(0, 0, 0); font-family: Arial, Helvetica, sans-serif; line-height: 24px;"> &nbsp;</p> <p style="margin: 0px; padding: 0px 12px; outline: 0px; font-size: 14px; text-indent: 2em; color: rgb(0, 0, 0); line-height: 24px; font-family: arial, sans-serif;"> 主要成分為 Fe(鐵元素),且含有以下少量元素:</p> <p style="margin: 0px; padding: 0px 12px; outline: 0px; font-size: 14px; text-indent: 2em; color: rgb(0, 0, 0); line-height: 24px; font-family: arial, sans-serif;"> 碳 C :0.42~0.50%</p> <p style="margin: 0px; padding: 0px 12px; outline: 0px; font-size: 14px; text-indent: 2em; color: rgb(0, 0, 0); line-height: 24px; font-family: arial, sans-serif;"> 硅 Si:0.17~0.37%</p> <p style="margin: 0px; padding: 0px 12px; outline: 0px; font-size: 14px; text-indent: 2em; color: rgb(0, 0, 0); line-height: 24px; font-family: arial, sans-serif;"> 錳 Mn:0.70~1.00%</p> <p style="margin: 0px; padding: 0px 12px; outline: 0px; font-size: 14px; text-indent: 2em; color: rgb(0, 0, 0); line-height: 24px; font-family: arial, sans-serif;"> 硫 S :&le;0.035%</p> <p style="margin: 0px; padding: 0px 12px; outline: 0px; font-size: 14px; text-indent: 2em; color: rgb(0, 0, 0); line-height: 24px; font-family: arial, sans-serif;"> 磷 P :&le;0.035%</p> <p style="margin: 0px; padding: 0px 12px; outline: 0px; font-size: 14px; text-indent: 2em; color: rgb(0, 0, 0); line-height: 24px; font-family: arial, sans-serif;"> 鉻Cr:&le;0.25%</p> <p style="margin: 0px; padding: 0px 12px; outline: 0px; font-size: 14px; text-indent: 2em; color: rgb(0, 0, 0); line-height: 24px; font-family: arial, sans-serif;"> 鎳 Ni:&le;0.25%</p> <p style="margin: 0px; padding: 0px 12px; outline: 0px; font-size: 14px; text-indent: 2em; color: rgb(0, 0, 0); line-height: 24px; font-family: arial, sans-serif;"> 銅 Cu:&le;0.25%</p> <p style="margin: 0px; padding: 0px 12px; outline: 0px; font-size: 14px; text-indent: 2em; color: rgb(0, 0, 0); line-height: 24px; font-family: arial, sans-serif;"> 力學(xué)性能:</p> <p style="margin: 0px; padding: 0px 12px; outline: 0px; font-size: 14px; text-indent: 2em; color: rgb(0, 0, 0); line-height: 24px; font-family: arial, sans-serif;"> 抗拉強度 &sigma;b (MPa):&ge;620(63)</p> <p style="margin: 0px; padding: 0px 12px; outline: 0px; font-size: 14px; text-indent: 2em; color: rgb(0, 0, 0); line-height: 24px; font-family: arial, sans-serif;"> 屈服強度 &sigma;s (MPa):&ge;375(38)</p> <p style="margin: 0px; padding: 0px 12px; outline: 0px; font-size: 14px; text-indent: 2em; color: rgb(0, 0, 0); line-height: 24px; font-family: arial, sans-serif;"> 伸長率 &delta;5 (%):&ge;15</p> <p style="margin: 0px; padding: 0px 12px; outline: 0px; font-size: 14px; text-indent: 2em; color: rgb(0, 0, 0); line-height: 24px; font-family: arial, sans-serif;"> 斷面收縮率&nbsp;&psi; (%):&ge;40</p> <p style="margin: 0px; padding: 0px 12px; outline: 0px; font-size: 14px; text-indent: 2em; color: rgb(0, 0, 0); line-height: 24px; font-family: arial, sans-serif;"> 沖擊功 Akv (J):&ge;39</p> <p style="margin: 0px; padding: 0px 12px; outline: 0px; font-size: 14px; text-indent: 2em; color: rgb(0, 0, 0); line-height: 24px; font-family: arial, sans-serif;"> 沖擊韌性值 &alpha;kv (J/cm2):&ge;49(5)硬度:未熱處理&le;241HB;退火鋼&le;217HB</p> <p style="margin: 0px; padding: 0px 12px; outline: 0px; font-size: 14px; text-indent: 2em; color: rgb(0, 0, 0); line-height: 24px; font-family: arial, sans-serif;"> 熱處理工藝:850℃正火、840℃淬火、600℃回火。</p>

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