<*n style="background:#FFFFFF;color:#000000;font-family:Arial;font-size:10.5pt;">是******n><*n style="background:#FFFFFF;color:#000000;font-family:Arial;font-size:10.5pt;">中碳钢*n><*n style="background:#FFFFFF;color:#000000;font-family:Arial;font-size:10.5pt;">,采用由电炉、*n><*n style="background:#FFFFFF;color:#000000;font-family:Arial;font-size:10.5pt;">平炉*n><*n style="background:#FFFFFF;color:#000000;font-family:Arial;font-size:10.5pt;">或纯氧*n><*n style="background:#FFFFFF;color:#000000;font-family:Arial;font-size:10.5pt;">转炉炼钢*n><*n style="background:#FFFFFF;color:#000000;font-family:Arial;font-size:10.5pt;">法制造的全静钢,具有金相*均匀的特点。该钢含碳量(质量分数,<*n>%*n><*n>)*n><*n>≥0.4*n><*n>,*性优良,延展性减少,淬火易变形和开裂,故淬火****为重要,切*n>*n><*n style="background:#FFFFFF;color:#000000;font-family:Arial;font-size:10.5pt;">回火*n><*n style="background:#FFFFFF;color:#000000;font-family:Arial;font-size:10.5pt;">后必须急冷,以避免发生*n><*n style="background:#FFFFFF;color:#000000;font-family:Arial;font-size:10.5pt;">回火脆性*n><*n style="background:#FFFFFF;color:#000000;font-family:Arial;font-size:10.5pt;">。通过实行*n><*n style="background:#FFFFFF;color:#000000;font-family:Arial;font-size:10.5pt;">球化处理*n><*n style="background:#FFFFFF;color:#000000;font-family:Arial;font-size:10.5pt;">,可以****这类碳钢的切削性能。该钢通常回火到硬度<*n>19~22HRC*n><*n>以后使用,以增加其*n>*n><*n style="background:#FFFFFF;color:#000000;font-family:Arial;font-size:10.5pt;">切削加工性能*n><*n style="background:#FFFFFF;color:#000000;font-family:Arial;font-size:10.5pt;">。*n><*n style="color:#000000;font-family:Arial;font-size:10.5pt;">*n>
<*n style="background:#FFFFFF;color:#000000;font-family:Calibri;font-size:10.5pt;">中文名*n><*n style="color:#000000;font-family:Calibri;font-size:10.5pt;">*n>
<*n style="background:#FFFFFF;color:#000000;font-family:Calibri;font-size:10.5pt;">S50C *n><*n style="color:#000000;font-family:Calibri;font-size:10.5pt;">*n>
<*n style="background:#FFFFFF;color:#000000;font-family:Calibri;font-size:10.5pt;">属<*n> *n><*n>性*n>*n><*n style="color:#000000;font-family:Calibri;font-size:10.5pt;">*n>
<*n style="background:#FFFFFF;color:#000000;font-family:Calibri;font-size:10.5pt;">*****中碳钢 *n><*n style="color:#000000;font-family:Calibri;font-size:10.5pt;">*n>
<*n style="background:#FFFFFF;color:#000000;font-family:Calibri;font-size:10.5pt;">优<*n> *n><*n>点*n>*n><*n style="color:#000000;font-family:Calibri;font-size:10.5pt;">*n>
<*n style="background:#FFFFFF;color:#000000;font-family:Calibri;font-size:10.5pt;">*性优良,延展性减少 *n><*n style="color:#000000;font-family:Calibri;font-size:10.5pt;">*n>
<*n style="background:#FFFFFF;color:#000000;font-family:Calibri;font-size:10.5pt;">特<*n> *n><*n>点*n>*n><*n style="color:#000000;font-family:Calibri;font-size:10.5pt;">*n>
<*n style="background:#FFFFFF;color:#000000;font-family:Calibri;font-size:10.5pt;">金相*均匀 *n><*n style="color:#000000;font-family:Calibri;font-size:10.5pt;">*n>
<*n style="background:#FFFFFF;color:#000000;font-family:Arial;font-size:10.5pt;">s50c/s53c<*n>钢产品性能介绍*n>*n><*n style="color:#000000;font-family:Arial;font-size:10.5pt;">*n>
<*n style="background:#FFFFFF;color:#000000;font-family:Arial;font-size:10.5pt;">(<*n>1*n><*n>)*****中碳钢,采用由电炉、*n>*n><*n style="background:#FFFFFF;color:#000000;font-family:Arial;font-size:10.5pt;">平炉*n><*n style="background:#FFFFFF;color:#000000;font-family:Arial;font-size:10.5pt;">或纯氧*n><*n style="background:#FFFFFF;color:#000000;font-family:Arial;font-size:10.5pt;">转炉炼钢*n><*n style="background:#FFFFFF;color:#000000;font-family:Arial;font-size:10.5pt;">法制造的全静钢,具有金相*均匀的特点。该钢含碳量(质量分数,<*n>%*n><*n>)*n><*n>≥0.4*n><*n>,*性优良,延展性减少,淬火易变形和开裂,故淬火****为重要,切*n>*n><*n style="background:#FFFFFF;color:#000000;font-family:Arial;font-size:10.5pt;">回火*n><*n style="background:#FFFFFF;color:#000000;font-family:Arial;font-size:10.5pt;">后必须急冷,以避免发生*n><*n style="background:#FFFFFF;color:#000000;font-family:Arial;font-size:10.5pt;">回火脆性*n><*n style="background:#FFFFFF;color:#000000;font-family:Arial;font-size:10.5pt;">。*n><*n style="color:#000000;font-family:Arial;font-size:10.5pt;">*n>
<*n style="background:#FFFFFF;color:#000000;font-family:Arial;font-size:10.5pt;">通过实行*n><*n style="background:#FFFFFF;color:#000000;font-family:Arial;font-size:10.5pt;">球化处理*n><*n style="background:#FFFFFF;color:#000000;font-family:Arial;font-size:10.5pt;">,可以****这类碳钢的切削性能。该钢通常回火到硬度<*n>19~22HRC*n><*n>以后使用,以增加其*n>*n><*n style="background:#FFFFFF;color:#000000;font-family:Arial;font-size:10.5pt;">切削加工性能*n><*n style="color:#000000;font-family:Arial;font-size:10.5pt;">*n>
<*n style="background:#FFFFFF;color:#000000;font-family:Arial;font-size:10.5pt;">(<*n>2*n><*n>)供货状态及硬度 *n><*n>143~187HBS*n><*n>,*n><*n>179~235HBS*n><*n>,*n><*n>212~277HBS*n><*n>。*n>*n><*n style="color:#000000;font-family:Arial;font-size:10.5pt;">*n>
<*n style="background:#FFFFFF;color:#000000;font-family:Arial;font-size:10.5pt;">(<*n>3*n><*n>)钢材特性*n>*n><*n style="color:#000000;font-family:Arial;font-size:10.5pt;">*n>
<*n style="background:#FFFFFF;color:#000000;font-family:Arial;font-size:10.5pt;">良好的机械加工性及切削性特佳*n><*n style="color:#000000;font-family:Arial;font-size:10.5pt;">*n>
<*n style="background:#FFFFFF;color:#000000;font-family:Arial;font-size:10.5pt;">(<*n>4*n><*n>)钢材一般用途*n>*n><*n style="color:#000000;font-family:Arial;font-size:10.5pt;">*n>
<*n>*n><*n class="15" style="background:#FFFFFF;color:#000000;font-family:Arial;font-size:10.5pt;">碳素钢<*n>S50C *n>*n><*n style="color:#000000;font-family:Arial;font-size:10.5pt;">*n>
<*n style="background:#FFFFFF;color:#000000;font-family:Arial;font-size:10.5pt;">适用于塑胶模架配板及机械配件*n><*n style="color:#000000;font-family:Calibri;font-size:10.5pt;">*n>
<*n style="background:#FFFFFF;color:#000000;font-family:Arial;font-size:10.5pt;">(质量分数,<*n>%*n><*n>)*n>*n><*n style="color:#000000;font-family:Arial;font-size:10.5pt;">*n>
<*n style="background:#FFFFFF;color:#000000;font-family:Arial;font-size:10.5pt;">碳:<*n>C 0.47~0.53*n><*n>、*n>*n><*n style="color:#000000;font-family:Arial;font-size:10.5pt;">*n>
<*n style="background:#FFFFFF;color:#000000;font-family:Arial;font-size:10.5pt;">硅:<*n>Si 0.15~0.35*n><*n>、*n>*n><*n style="color:#000000;font-family:Arial;font-size:10.5pt;">*n>
<*n style="background:#FFFFFF;color:#000000;font-family:Arial;font-size:10.5pt;">锰:<*n>Mn 0.60~0.90*n><*n>、*n>*n><*n style="color:#000000;font-family:Arial;font-size:10.5pt;">*n>
<*n style="background:#FFFFFF;color:#000000;font-family:Arial;font-size:10.5pt;">磷:<*n>P≤0.030*n><*n>、*n>*n><*n style="color:#000000;font-family:Arial;font-size:10.5pt;">*n>
<*n style="background:#FFFFFF;color:#000000;font-family:Arial;font-size:10.5pt;">硫:<*n>S≤0.035*n><*n>、*n>*n><*n style="color:#000000;font-family:Arial;font-size:10.5pt;">*n>
<*n style="background:#FFFFFF;color:#000000;font-family:Arial;font-size:10.5pt;">铜:<*n>Cu≤0.30*n><*n>、*n>*n><*n style="color:#000000;font-family:Arial;font-size:10.5pt;">*n>
<*n style="background:#FFFFFF;color:#000000;font-family:Arial;font-size:10.5pt;">镍:<*n>Ni≤0.20*n><*n>、*n>*n><*n style="color:#000000;font-family:Arial;font-size:10.5pt;">*n>
<*n style="background:#FFFFFF;color:#000000;font-family:Arial;font-size:10.5pt;">铬:<*n>Cr≤0.20.*n>*n><*n style="color:#000000;font-family:Arial;font-size:10.5pt;">*n>
<*n style="background:#FFFFFF;color:#000000;font-family:Arial;font-size:10.5pt;">*拉强度*n><*n style="background:#FFFFFF;color:#000000;font-family:Arial;font-size:10.5pt;"> σb (MPa)<*n>:*n><*n>≥630(64)*n>*n><*n style="color:#000000;font-family:Arial;font-size:10.5pt;">*n>
<*n style="background:#FFFFFF;color:#000000;font-family:Arial;font-size:10.5pt;">屈服强度*n><*n style="background:#FFFFFF;color:#000000;font-family:Arial;font-size:10.5pt;"> σs (MPa)<*n>:*n><*n>≥375(38)*n>*n><*n style="color:#000000;font-family:Arial;font-size:10.5pt;">*n>
<*n style="background:#FFFFFF;color:#000000;font-family:Arial;font-size:10.5pt;">伸长率*n><*n style="background:#FFFFFF;color:#000000;font-family:Arial;font-size:10.5pt;"> δ5 (%)<*n>:*n><*n>≥14*n>*n><*n style="color:#000000;font-family:Arial;font-size:10.5pt;">*n>
<*n style="background:#FFFFFF;color:#000000;font-family:Arial;font-size:10.5pt;">断面收缩率*n><*n style="background:#FFFFFF;color:#000000;font-family:Arial;font-size:10.5pt;"> ψ (%)<*n>:*n><*n>≥40*n>*n><*n style="color:#000000;font-family:Arial;font-size:10.5pt;">*n>
<*n style="background:#FFFFFF;color:#000000;font-family:Arial;font-size:10.5pt;">冲击功*n><*n style="background:#FFFFFF;color:#000000;font-family:Arial;font-size:10.5pt;"> Akv (J)<*n>:*n><*n>≥31(4)*n>*n><*n style="color:#000000;font-family:Arial;font-size:10.5pt;">*n>
<*n style="background:#FFFFFF;color:#000000;font-family:Arial;font-size:10.5pt;">冲击韧性*n><*n style="background:#FFFFFF;color:#000000;font-family:Arial;font-size:10.5pt;">值 <*n>αkv (J/cm2)*n><*n>:*n><*n>≥39(4)*n>*n><*n style="color:#000000;font-family:Arial;font-size:10.5pt;">*n>
<*n style="background:#FFFFFF;color:#000000;font-family:Arial;font-size:10.5pt;">硬度 :未热处理,<*n>≤241HB;*n><*n>退火钢,*n><*n>≤207HB*n>*n><*n style="color:#000000;font-family:Arial;font-size:10.5pt;">*n>
<*n style="background:#FFFFFF;color:#000000;font-family:Arial;font-size:10.5pt;">试样尺寸:试样尺寸为<*n>25mm*n>*n><*n style="color:#000000;font-family:Arial;font-size:10.5pt;">*n>
<*n style="background:#FFFFFF;color:#000000;font-family:Arial;font-size:10.5pt;">检验:对钢板进行*n><*n style="background:#FFFFFF;color:#000000;font-family:Arial;font-size:10.5pt;">布氏硬度*n><*n style="background:#FFFFFF;color:#000000;font-family:Arial;font-size:10.5pt;">检验,布氏硬度值为<*n>185*n><*n>-*n><*n>240HB*n>*n><*n style="color:#000000;font-family:Arial;font-size:10.5pt;">*n>
<*n style="background:#FFFFFF;color:#000000;font-family:Arial;font-size:10.5pt;">热处理规范:*n><*n style="background:#FFFFFF;color:#000000;font-family:Arial;font-size:10.5pt;">正火*n><*n style="background:#FFFFFF;color:#000000;font-family:Arial;font-size:10.5pt;">,830℃;<*n>淬火*n><*n>,830℃;*n>*n><*n style="background:#FFFFFF;color:#000000;font-family:Arial;font-size:10.5pt;">回火*n><*n style="background:#FFFFFF;color:#000000;font-family:Arial;font-size:10.5pt;">,600℃<*n>。*n>*n><*n style="color:#000000;font-family:Arial;font-size:10.5pt;">*n>
<*n style="background:#FFFFFF;color:#000000;font-family:Arial;font-size:10.5pt;">金相*:*n><*n style="background:#FFFFFF;color:#000000;font-family:Arial;font-size:10.5pt;">珠光体*n><*n style="background:#FFFFFF;color:#000000;font-family:Arial;font-size:10.5pt;">+*n><*n style="background:#FFFFFF;color:#000000;font-family:Arial;font-size:10.5pt;">铁素体*n><*n style="background:#FFFFFF;color:#000000;font-family:Arial;font-size:10.5pt;">。*n><*n style="color:#000000;font-family:Arial;font-size:10.5pt;">*n>
<*n style="background:#FFFFFF;color:#000000;font-family:Arial;font-size:10.5pt;">以不热处理或热处理(退火、*n><*n style="background:#FFFFFF;color:#000000;font-family:Arial;font-size:10.5pt;">正火*n><*n style="background:#FFFFFF;color:#000000;font-family:Arial;font-size:10.5pt;">或*n><*n style="background:#FFFFFF;color:#000000;font-family:Arial;font-size:10.5pt;">高温回火*n><*n style="background:#FFFFFF;color:#000000;font-family:Arial;font-size:10.5pt;">)状态交货。钢板的*n><*n style="background:#FFFFFF;color:#000000;font-family:Arial;font-size:10.5pt;">交货状态*n><*n style="background:#FFFFFF;color:#000000;font-family:Arial;font-size:10.5pt;">应符合表<*n>4*n><*n>的规定。*n>*n><*n style="color:#000000;font-family:Arial;font-size:10.5pt;">*n>
<*n style="background:#FFFFFF;color:#000000;font-family:Arial;font-size:10.5pt;">表<*n>4*n>*n><*n style="color:#000000;font-family:Arial;font-size:10.5pt;">*n>
<*n style="color:#000000;font-family:宋体;font-size:9pt;">厚度,mm*n><*n style="color:#000000;font-family:Calibri;font-size:9pt;">*n> |
<*n style="color:#000000;font-family:宋体;font-size:9pt;">交货状态*n><*n style="color:#000000;font-family:Calibri;font-size:9pt;">*n> |
<*n style="color:#000000;font-family:宋体;font-size:9pt;">8-150*n><*n style="color:#000000;font-family:Calibri;font-size:9pt;">*n> |
<*n style="color:#000000;font-family:宋体;font-size:9pt;">热轧或正火*n><*n style="color:#000000;font-family:Calibri;font-size:9pt;">*n> |
<*n style="color:#000000;font-family:宋体;font-size:9pt;">>150-300*n><*n style="color:#000000;font-family:Calibri;font-size:9pt;">*n> |
<*n style="color:#000000;font-family:宋体;font-size:9pt;">正火*n><*n style="color:#000000;font-family:Calibri;font-size:9pt;">*n> |
<*n style="color:#000000;font-family:宋体;font-size:9pt;">>300-600*n><*n style="color:#000000;font-family:Calibri;font-size:9pt;">*n> |
<*n style="color:#000000;font-family:宋体;font-size:9pt;">消除应力*n><*n style="color:#000000;font-family:宋体;font-size:9pt;">退火*n><*n style="color:#000000;font-family:Calibri;font-size:9pt;">*n> |
<*n style="background:#FFFFFF;color:#000000;font-family:Arial;font-size:10.5pt;">中国<*n>GB*n><*n>标准钢号*n><*n>50*n><*n>;日本*n>*n><*n style="background:#FFFFFF;color:#000000;font-family:Arial;font-size:10.5pt;">JIS*n><*n style="background:#FFFFFF;color:#000000;font-family:Arial;font-size:10.5pt;">标准钢号<*n>S50C/S53C*n><*n>;德国*n><*n>DIN*n><*n>标准材料钢号*n><*n>1.1213*n><*n>;德国*n><*n>DIN*n><*n>标准钢号*n><*n>CF53*n><*n>;英国*n>*n><*n style="background:#FFFFFF;color:#000000;font-family:Arial;font-size:10.5pt;">BS<*n>标准*n>*n><*n style="background:#FFFFFF;color:#000000;font-family:Arial;font-size:10.5pt;">钢号<*n>060A52*n><*n>;法国*n><*n>AFNOR*n><*n>标准钢号*n><*n>X****8TS*n><*n>;法国*n>*n><*n style="background:#FFFFFF;color:#000000;font-family:Arial;font-size:10.5pt;">NF<*n>标准*n>*n><*n style="background:#FFFFFF;color:#000000;font-family:Arial;font-size:10.5pt;">钢号<*n>C50*n><*n>;意大利*n><*n>UNI*n><*n>标准钢号*n><*n>C53*n><*n>;比利时*n><*n>NBN*n><*n>标准钢号*n><*n>C53*n><*n>;瑞典*n><*n>SS*n><*n>标准钢号*n><*n>1674*n><*n>;西班牙标准钢号*n><*n>F.112*n><*n>;美国*n><*n>AISI/SAE*n><*n>标准钢号*n><*n>1050*n><*n>;*n>*n><*n style="background:#FFFFFF;color:#000000;font-family:Arial;font-size:10.5pt;">**<*n>ISO*n><*n>标准*n>*n><*n style="background:#FFFFFF;color:#000000;font-family:Arial;font-size:10.5pt;">钢号<*n>C50E4*n><*n>。*n>*n><*n style="color:#000000;font-family:Arial;font-size:10.5pt;">*n>
<*n style="background:#FFFFFF;color:#000000;font-family:Arial;font-size:10.5pt;">1<*n>、可用于各种冷作模具的垫板;*n>*n><*n style="color:#000000;font-family:Arial;font-size:10.5pt;">*n>
<*n style="background:#FFFFFF;color:#000000;font-family:Arial;font-size:10.5pt;">2<*n>、*n>*n><*n style="background:#FFFFFF;color:#000000;font-family:Arial;font-size:10.5pt;">钻模*n><*n style="background:#FFFFFF;color:#000000;font-family:Arial;font-size:10.5pt;">固定板 ;*n><*n style="color:#000000;font-family:Arial;font-size:10.5pt;">*n>
<*n style="background:#FFFFFF;color:#000000;font-family:Arial;font-size:10.5pt;">3<*n>、标准的模板材料等。*n>*n><*n style="color:#000000;font-family:Calibri;font-size:10.5pt;">*n>