建筑常用金屬材料的物理性能1、彈性模量E表1彈性模量E(kgf/mm2)材料溫度℃-196-150-100-20020100150200250300350400425450碳素鋼（含碳量≤0.3%）碳鉬鋼、低鉻鉬鋼（至Cr3Mo）鉻鉬鋼（Cr5Mo-Cr9Mo）奧氏體不銹鋼（至Cr25Ni20）高鉻鋼（Cr13、Cr17）鋁純鋁黃銅純鈦純鉛2.182.072.142.17-----2.102.022.112.14-----2.141.992.092.12-----2.122.121.952.032.07-----2.102.111.932.002.06-----2.052.101.932.002.050.71.21.11.080.172.052.061.001.942.020.69----2.022.041.881.912.000.66----1.972.011.861.871.950.60----1.901.981.831.841.91-----1.851.941.801.801.85-----1.741.891.761.761.77-----1.661.841.721.721.68-----1.611.811.701.691.63-----1.581.781.681.671.57-----材料溫度℃475500520540560580600620640660680700720740碳素鋼（含碳量≤0.3%）碳鉬鋼、低鉻鉬鋼（至Cr3Mo）鉻鉬鋼（Cr5Mo～Cr9Mo）奧氏體不銹鋼（至Cr25Ni20）高鉻鋼（Cr13、Cr17）鋁純鋁黃銅純鈦純鉛1.501.731.661.651.50------1.681.641.631.43------1.641.621.611.37------1.591.601.591.30------1.541.581.571.23------1.481.561.561.15------1.411.531.541.07------1.301.501.520.99-------1.481.50--------1.441.49---------1.48---------1.46---------1.44---------1.40------2、平均線脹系數表2均線脹系數材料在下列溫度與20℃之間的平均線脹系數，α（×10-6/℃）-196-150-100-50050100150200250300碳素鋼、碳鉬鋼、低鉻鉬鋼（至Cr3Mo）鉻鉬鋼（Cr5Mo～Cr9Mo）奧氏體不銹鋼（Cr19～Ni9）高鉻鋼（Cr13、Cr17）Cr25～Ni20蒙乃爾（Monel）Ni67～Cu30鋁灰鑄鐵青銅黃銅Cu70～Ni30純銅純鉻純鉛高硅耐蝕鑄鐵9.18.4614.677.74-9.9917.82-15.1214.7611.97----9.448.9015.088.10-11.0618.73-15.4415.0312.65----9.899.3615.458.44-12.1319.58-15.7615.3413.43----10.399.7715.978.95-12.8320.79-16.3515.9213.99----10.7610.1616.289.29-13.2621.73-16.9716.5614.48----11.1210.5216.549.59-13.6922.52-17.5117.1114.94----11.5310.9116.849.9415.8414.1623.3810.3918.0717.6215.4116.508.6029.3012.2011.8811.1517.0610.2015.9814.4523.9410.6818.2318.1915.69----12.2511.3917.2510.4516.0514.7424.4410.9718.4018.3815.99-8.90--12.5611.6617.4210.6716.0615.0624.9411.2618.5518.77-----12.9011.9017.6110.9616.0715.3625.4211.5518.7319.14--9.20--材料在下列溫度與20℃之間的平均線脹系數，α（×10-6/℃）350400450500550600650700750800碳素鋼、碳鉬鋼、低鉻鉬鋼（至Cr3Mo）鉻鉬鋼（Cr5Mo～Cr9Mo）奧氏體不銹鋼（Cr19～Ni9）高鉻鋼（Cr13、Cr17）Cr25～Ni20蒙乃爾（Monel）Ni67～Cu30鋁灰鑄鐵青銅黃銅Cu70～Ni30純銅純鉻純鉛高硅耐蝕鑄鐵13.2412.1517.7911.1916.1115.67-11.8511.8819.50-----13.5812.3817.9911.4116.1315.98-12.1419.0419.89--9.40--13.9312.6318.1911.6116.1716.28-12.4219.2020.27-----14.2212.8618.3411.8116.3316.60-14.1719.3420.66--9.70--14.4213.0518.5811.9716.5616.90--19.4921.05-----14.6213.1818.7112.1116.6617.15--19.7121.34-----14.7413.3518.8712.2116.9117.47--19.8521.77-----14.9013.4818.9712.3217.1417.77---------15.0213.5819.0712.4117.2018.07-----------19.29------------

3、密度、熔點、比熱、導熱系數、電阻率表3材料密度，g/cm3熔點，℃比熱cal/g·℃導熱系數cal/(cm·s·℃)電阻率μΩ-cm低碳鋼高鉻鋼（Cr13）奧氏體不銹鋼(Cr18～Ni19)Cr25Ni20灰鑄鐵球墨鑄鐵純鋁純銅黃銅純鉛純鈦7.857.907.907.907.207.207.02.718.98.511.344.514801520～140014001200-12306601083950327