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供應20CrMo銷量 價格 圓鋼

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Price: Power
Product: Chrome Ores
Quantity: 150.00 mt
Area: China,Zhejiang,Jiaxing
Validity: 7/28/2015
Chrome Ores Products

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<p style="margin: 0px; padding: 0px 12px; outline: 0px; font-size: 12px; 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: 25px;">20CrMn,是中國國家標準規定的一種合金結構鋼的牌號。統一數字代號:A22202。標準:GB/T 3077-1988。20CrMn是</span>滲碳鋼<span style="margin: 0px; padding: 0px; outline: 0px; font-size: 14px; font-family: arial, sans-serif; line-height: 25px;">,也可用作調質鋼,淬透性與20CrNi相近。用作在高速與高彎曲負荷下工作的軸、連桿,在高速、高負荷而無強沖擊負荷下工作的齒輪軸、齒輪、水泵轉子、離合器、小軸、</span>心軸<span style="margin: 0px; padding: 0px; outline: 0px; font-size: 14px; font-family: arial, sans-serif; line-height: 25px;">,在化工設備上可作高壓容器蓋板的螺栓;可部分代替42CrMo和40CrNi鋼</span></p> <p style="margin: 0px; padding: 0px 12px; outline: 0px; font-size: 12px; text-indent: 2em; color: rgb(0, 0, 0); font-family: Arial, Helvetica, sans-serif; line-height: 24px;"> &nbsp;</p> <h2 style="margin: 0px; padding: 0px; outline: 0px; font-size: 14px; color: rgb(0, 0, 0); line-height: 24px; font-weight: 500; text-indent: 11px; font-family: arial, sans-serif;"> <span style="margin: 0px; padding: 0px; outline: 0px; font-size: 20px; color: rgb(34, 34, 34); font-family: 'microsoft yahei', Arial, Helvetica, sans-serif;">化學成分</span>折疊<span style="margin: 0px; padding: 0px; outline: 0px; font-size: 14px; line-height: 16px;">編輯本段</span></h2> <div style="margin: 0px; padding: 0px; outline: 0px; font-size: 14px; color: rgb(0, 0, 0); line-height: 24px; font-family: arial, sans-serif;"> <div style="margin: -7px 0px 0px; padding: 0px; outline: 0px; font-size: 14px;">   質量分數(%):<br style="margin: 0px; padding: 0px;" /> 碳 C :0.17~0.23<img src="http://i6.qhimg.com/dr/200__/t01339ade7e5d40b585.jpg" style="margin: 0px; padding: 0px; outline: 0px; font-size: 14px; border: none;" /><br style="margin: 0px; padding: 0px;" /> 硅 Si:0.17~0.37<br style="margin: 0px; padding: 0px;" /> 錳 Mn:0.90~1.20<br style="margin: 0px; padding: 0px;" /> 硫 S :允許殘余含量&le;0.035<br style="margin: 0px; padding: 0px;" /> 磷 P :允許殘余含量&le;0.035<br style="margin: 0px; padding: 0px;" /> 鉻 Cr:0.90~1.20<br style="margin: 0px; padding: 0px;" /> 鎳 Ni:允許殘余含量&le;0.030 銅 Cu:允許殘余含量&le;0.030</div> </div> <h2 style="margin: 0px; padding: 0px; outline: 0px; font-size: 14px; color: rgb(0, 0, 0); line-height: 24px; font-weight: 500; text-indent: 11px; font-family: arial, sans-serif;"> <span style="margin: 0px; padding: 0px; outline: 0px; font-size: 20px; color: rgb(34, 34, 34); font-family: 'microsoft yahei', Arial, Helvetica, sans-serif;">力學性能</span>折疊<span style="margin: 0px; padding: 0px; outline: 0px; font-size: 14px; line-height: 16px;">編輯本段</span></h2> <div style="margin: 0px; padding: 0px; outline: 0px; font-size: 14px; color: rgb(0, 0, 0); line-height: 24px; font-family: arial, sans-serif;"> <div style="margin: -7px 0px 0px; padding: 0px; outline: 0px; font-size: 14px;">   【試樣毛坯尺寸】<br style="margin: 0px; padding: 0px;" /> 15mm<br style="margin: 0px; padding: 0px;" /> 【熱處理】<br style="margin: 0px; padding: 0px;" /> 淬火加熱溫度(℃):850;冷卻劑:油<br style="margin: 0px; padding: 0px;" /> 回火加熱溫度(℃):200;冷卻劑:水、空<br style="margin: 0px; padding: 0px;" /> 【力學性能】<br style="margin: 0px; padding: 0px;" /> 抗拉強度&sigma;b (MPa):&ge;930(95)<br style="margin: 0px; padding: 0px;" /> 屈服強度&sigma;s (MPa):&ge;735(75)<br style="margin: 0px; padding: 0px;" /> 伸長率 &delta;5 (%):&ge;10<br style="margin: 0px; padding: 0px;" /> 斷面收縮率 &psi; (%):&ge;45<br style="margin: 0px; padding: 0px;" /> 沖擊功 Akv (J):&ge;47<br style="margin: 0px; padding: 0px;" /> 沖擊韌性值 &alpha;kv (J/cm2):&ge;59(6)<br style="margin: 0px; padding: 0px;" /> 布氏硬度(HBS100/3000)(退火或高溫回火狀態):≦187<br style="margin: 0px; padding: 0px;" /> <span style="margin: 0px; padding: 0px; outline: 0px; font-size: 14px; font-weight: 700;">交貨狀態:</span>以熱處理(正火、退火或高溫回火)或不熱處理狀態交貨,交貨狀態應在合同中注明。</div> </div> <p> &nbsp;</p>

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