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1、常用金属的比热、熔点、和熔化热元素符号比重 g/cm3比热kcal/kgoC熔点 oC熔化热kcal/kg化合物比重 g/cm3比热kcal/kgoC熔点 oC铁Te7.870.107153866NaCl2.170.29804铜Cu0.091108351KCl1.990.25770铝Al0.21466094CaCl22.51774锌Zn0.09241924.09BaCl23.860.137958金AuNaNO32.250.44317银AgNaNO22.170.42271铂Pt21.450.032177024.1KNO32.100.30337锡Sn0.05523213.9NaCO3852铅Pb0
2、.0303275.8K2CO3900钨W0.032339046.0KOH400镍Ni0.109145573.0NaOH400铬Cr7.20.068190361.5NaSO4900钛Ti0.1301725100CaO0.194锰Mn7.440.115131463.7FeO0.175锑Sb0.04963138.26Fe2O30.188镁Mg0.23865089Al2O30.218钼Mo0.063262270SiO20.217钒V6.110.127185782.5铋Bi0.03027112型砂0.26锂Nb8.550.064249768.5石英砂0.20钴Co8.90.102149562镁砂0.25
3、硫S0.175115.29.3磷P0.17744.155硼B2.340.3072027689硅Si2.330.162141539.5灰铸铁118065白口铁131060铸钢0.16150065锰铁0.17125064铬铁0.17133078硅铁0.211270100金属材料的密度、比热容和导热系数材料名称密度t/m3比热容Cp J/(kgoC)导热系数W/(moC)纯铝2.71902236杜拉铝(96Al-4Cu)2.79881169铝合金(92Al-8Mg）2.61904107铝合金（87Al-13Si）2.66871162纯铜8.93386398青铜(89Cu-11Sn)8.8034324
4、.8铝青铜(90Cu-10Al)8.3642056黄铜(70Cu-30Zn)8.44377109铜合金(60Cu-40Ni)8.9241022.2黄金19.3127315纯铁7.8745581.1灰铸铁7.5747039.2碳钢(C=0.5%)7.8446549.8碳钢(C=1.0%)7.7947043.2碳钢(C=1.5%)7.7547036.7铬钢(Cr=5%)7.8346036.1铬钢(Cr=13%)7.7446026.8铬钢(Cr=17%)7.7146022铬钢(Cr=26%)7.6546022.6铬镍钢(18-20Cr/8-12Ni)7.8246015.2铬镍钢(17-19Cr/9-
5、13Ni)7.8346014.7镍钢(Ni=1%)7.946045.5镍钢(Ni=3.5%)7.9146036.5镍钢(Ni=25%)8.0346013镍钢(Ni=35%)81146013.8镍钢(Ni=44%)8.1946015.8镍钢(Ni=50%)8.2646019.6锰钢(Mn=0.4%)7.8644051.2锰钢(Mn=12%Ni=3%)7.848713.6钨钢(W=5-6%)8.0743618.7几种保温、耐火材料的导热系数与温度的关系材料名称材料允许最高温度 oC密度 kg/m3 导热系数与温度关系 W/(moC)超细玻璃棉毡、管40018-200.033+0.00023t矿渣棉
6、550-6003500.0674+0.0002154t水泥蛭石制品800420-4500.103+0.0001984水泥珍珠岩制品600300-4000.065+0.000105t粉煤灰泡沫砖3005000.099+0.0002t水泥泡沫砖2504500.1+0.0002tA级硅藻土制品9005000.0395+0.00019tB级硅藻土制品9005500.0477+0.0002t膨胀珍珠岩1000550.0424+0.000137t微孔硅酸钙制品6502500.041+0.0002t耐火粘土砖1350-14501800-20400.77+0.00058t轻质耐火粘土砖1250-1300800
7、-13000.35+0.00026t超轻质耐火粘土砖1150-1300540-6100.093+0.00016t超轻质耐火粘土砖1100270-3300.058+0.00017t硅砖17001900-19500.93+0.0007t镁砖1600-17002300-26002.1+0.00019t铬砖1600-17002600-28004.7+0.00017t管道保温结构外表面热阻(moC/W)管径介质温度(室内)介质温度(室外)100200300400100200300400250.3010.2580.2150.1980.1030.0950.0860.077320.2750.2320.1980
8、.1630.0950.0860.0770.069400.2580.2150.1810.1550.0860.0770.0690.06500.1980.1630.1380.120.0690.060.0520.0431000.1550.1290.1120.0950.0520.0430.0430.0341250.1290.1120.0950.0770.0430.0340.0340.0261500.1030.0860.0770.0690.0340.0260.0260.0262000.0860.0770.0690.060.0340.0260.0260.0172500.0770.0690.060.0520.
9、0260.0170.0170.0173000.0690.060.0520.0430.0260.0170.0170.0173500.060.0520.0430.0430.0170.0170.0170.0174000.0520.0430.0430.0340.0170.0170.0170.017保温、建筑及其它材料的导热系数材料名称温度toC密度 kg/m3 导热系数W/(moC)材料名称温度toC 密度 t/m3 导热系数W/(moC)膨胀珍珠岩散料2560-3000.021-0.062玉米梗板2225.20.065沥青膨胀珍珠岩31233-2820.069-0.076棉花201170.049磷酸
10、盐膨胀珍珠岩制品20200-2500.044-0.052丝2057.70.036水玻璃膨胀珍珠岩制品20200-3000.056-0.065锯木屑201790.083蛭石20395-4670.10-0.13硬泡沫塑料3029.5-56.30.041-0.048膨胀蛭石20100-1300.051-0.07软泡沫塑料3041-1620.043-0.056沥青蛭石板管20350-4000.081-0.10铝箔间隔层(5层)210.042石棉粉22744-14000.099-0.19红砖(营造状态)2518600.087石棉砖213840.099红砖3515600.49石棉绳590-7300.10-
11、0.21松木(垂直木纹)154960.15石棉绒35-2300.055-0.077松木(平行木纹)215270.35石棉板30770-10450.10-0.14水泥3019000.3碳酸镁石棉灰240-4900.077-0.086混凝土板3519300.79硅藻土石棉灰280-3800.085-0.11耐酸混凝土班3022501.5-1.6粉煤灰砖27458-5890.12-0.22黄沙301580-17000.28-0.34矿渣棉302070.058泥土200.83玻璃丝35120-4920.058-0.07瓷砖3720901.1玻璃棉毡2818.4-38.30.043玻璃25000.52-1.1软木板20
