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不同温度水的比重
不同温度水的比重℉℃G℉℃G62171.0003101540.913100380.9953201600.908110430.9923301660.904120490.9903401710.896130540.9873501770.890140600.9833601820.884150660.9803701880.878160710.9773801930.871170770.9743901990.864180820.9704002040.857190880.9664102100.849200930.9634202160.843210990.9594302210.8362201040.9554402270.8282301100.9514502320.8202401160.9474602380.8122501210.9434702430.8042601270.9384802490.7962701320.9334902540.7882801380.9295002600.7802901430.9245502880.7363001490.9196003160.688
2019 09/04
水的饱和压力
水的饱和压力饱和绝对饱和压力℉℃lbf/in2kgf/cm23200.088590.00623404.40.121630.0085550100.177960.012516015.60.256110.018007021.10.362920.0.25518026.70.506830.035639032.20.598130.0490810037.80.949240.0667311043.31.27500.0896312048.91.69270.1189913054.42.22300.15628140602.88920.2031115065.63.71840.2614016071.15.74140.4036217076.75.99260.4212818082.87.51100.5280219087.89.3400.6566020093.311.5260.81028
2019 09/04
常用热、功计量单位及换算
常用热、功计量单位及换算量的名称SI单位名称SI单位符号单位换算能[量],功,热焦[耳]J1焦耳(J)=1牛顿·米(N·m)1国际蒸汽表卡(cal1T)=4.1868J1热化学卡(calth)=4.1840J120℃卡(cal20)=4.1816J115℃卡(cal15)=4.1855J1英热单位(Btu)=1.05506×103J1千瓦·时(kw·h)=3.6×106J功率,辐射能[通]量瓦[特]W1瓦特(W)=1牛顿·米/秒(N·m/s)1千克力·米/秒(kgf·m/s)=9.80665W1米制马力(PS)=7.35499×102W1英制马力(HP)=7.45700×102W1英尺磅力/秒(ft·1bf/s)=1.35582W比热容焦[耳]每千克开尔文J/(kg·k)1千卡/千克·℃[kcallT/(kg·℃)]=4.1868×103J(kg·k)1热化学千卡/千克·℃[kcalth/(kg·℃)] =4.1840×103J(kg·k)1英热单位/磅·℉[Btu/(1b·℉)]=4.1868×103J(kg·k)传热系数瓦[特]每平方米开尔文W/(m2·k)1千卡/厘米2·秒·℃[kcalLT/(CM2·s·℃)]=4.1868×107W/(m2·k)热导率(导热系数)瓦[特]每米开尔文W/(m·k)1千卡/厘米2·秒·℃[kcalLT/(CM2·s·℃)]=4.1868×105W/(m·k
2019 09/04
材料对照表
材料对照表        钢号中国前苏联美国英国日本法国德国GBГОСТASTMBSJISNFDIN08F08КП1006040A04S09CKC10优08081008045M10S9CKC1010F1010040A10XC1010101010,1012045M10S10CXC10C10,CK10质15151015095M15S15CXC12C15,CK1520201020050A20S20CXC18C22,CK2225251025S25CCK25碳30301030060A30S30CXC3235351035060A35S35CXC38TSC35,CK3540401040080A40S40CXC38H1素45451045080M46S45CXC45C45,CK4550501050060A52S50CXC48TSCK53结55551055070M55S55CXC5560601060080A62S58CXC55C60,CK6015Mn15Г1016,1115080A17SB46XC1214Mn4构20Mn20Г1021,1022080A20XC1830Mn30Г1030,1033080A32S30CXC3240Mn40Г1036,1040080A40S40C40M540Mn4钢45Mn45Г1043,1045080A47S45C50Mn50Г1050,1052030A52S53CXC48080M5020Mn220Г21320,1321150M19SMn42020Mn530Mn230Г21330150M28SMn433H32M530Mn5合35Mn235Г21335150M36SMn438(H)35M536Mn540Mn240Г21340SMn44340M545Mn245Г21345SMn44346Mn7金50Mn250Г2~55M520MnV20MnV635SiMn35CГEn4637MnSi5结42SiMn35CГ
2019 09/04
流量单位换算
流量—液体单位换磅/时英尺3/时 加仑/分G:水=1γ:磅/加仑公斤/时                    米3/时G:水=1                       γ:公斤/米310.002/G;0.0167/γ0.4540.454/1000G;0.454/γ10.12510.22711/1000G,1/γ流量—气体单位换算磅/时实际英尺3/时实际G:空气=1英尺3/时γ=磅/标准英尺3P=绝对压力T=℉Kg/h实际m3/h 标准G:空气=1米3/时γ:公斤/标准m3P=公斤力/厘米2T:℃1380MW,13.1/G,1/γ0.45410.8MW135.5P/(460+T)10.02831237/MW;0.821/G,1/γ
2019 09/04
密度单位换算
密度单位换算克/厘米3(g/cm3)或吨/米3(t/m3)千克/米3(kg/m3)或克/升(g/L)磅/英寸3(lb/ft3)磅/英尺3(lb/ft3)磅/英加仑(lb/UK·gal)磅/美加仑(lb/USgal)10.00127.680.016020.09980.1198100012768016.0299.8119.80.36133.613×10-510.000580.00360.00432962.430.06243172816.22887.4810.020.01002277.420.160511.2018.3450.008352310.13370.83271
2019 09/04
面积单位换算
面积单位换算单位米2(m2)英寸2(in2)英尺2(ft2)英里2(mi2)公里2(km2) 米2英寸2英尺2英里2公里2 10.00064520.0929258999910000001549.991144————10.76396.944×10-3127878400107638673.861×10-72.491×10-103.587×10-810.3861 1×10-66.452×10-109.29×10-82.591 
2019 09/04
体积流量单位换算
体积流量单位换算单位升/分(L/min)米3/时(m3/h)英尺3/时(ft3/h)英国加仑/分(UKgal/min)美国加仑/分(USgal/min)美国桶/天(bbl/d)升/分米3/时英尺3/时英国加仑/分美国加仑/分美国桶/天116.6670.47194.5463.7850.11040.0610.0283170.027270.22730.0066242.118935.31419.63258.02080.233940.219973.6670.103810.83260.024280.2641784.4030.12471.2003210.029179.0571514.274641.134.281
2019 09/04
温度单位换算公式
温度单位换算公式单位对照单位代入公式单位对照单位代入公式摄氏度(℃)摄氏度(℃)华氏度(℉)开尔文度(0K )(℃×9/5)+32(℃+273.16)华氏度(℉)华氏度(℉)摄氏度(℃)兰金温标度(0R)(℉-32)×5/9(℉+495.69)
2019 09/04
压力单位换算
压力单位换算(之一)单位公斤力/厘米2(kgf/cm2)兆帕(斯卡)(MPa)巴(bar)标准大气压(atm)毫米水柱(mmH2O)毫米水银柱(mmHg)磅/英寸2(lb/in2)公斤力/厘米2兆帕(斯卡)巴标准大气压毫米水柱毫米水银柱磅/英寸2110.21.021.033210-41.36×10-370.3×10-30.098110.10.101398.1×10-61.333×10-46.89×10-30.9811011.013398.1×10-61.333×10-368.9×10-30.96789.8690.986910.9678×10-41.316×10-368.05×10-31041.02×10510.2×1031.0332×104113.6703735.67.50×10375076073.56×10-3151.7214.221.45×10214.5014.6961.422×10-319.34×10-31注:1MPa=1000kPa=106Pa=10.1972kgf/cm2=10bar=9.86927atm=145.038lb/in2=7500.62mmHg=10.1972×104mmH2O1kgf/cm2=98.0665kPa=9.80665 ×10-2MPa=0.980665bar=0.967841atm=10 mmH2O=735.559 mmHg1atm=0.10132MPa=101.325kPa=1.033227kgf/ cm2=760 mmHg。mmHg—0℃,g=9.80665m/s2。mmH2O—4℃,g=9.80665m/s2。压力单位换算(之二)单位公斤/厘米2(kg/cm2)磅/英寸2(lb/in2)大气压(atm)巴(bar)英寸汞柱(inHg)千帕(kPa)英寸水柱(inH2O)英尺水柱(ftH2O)公斤/厘米2磅/英寸2大气压巴英寸汞柱千帕英寸水柱英尺水柱10.070311.03321.019720.034530.01019720.0025380.0304514.22114.69614.50380.49120.1450380.03610.43320.96780.0680410.986920.033420.00986960.0024560.029470.980670.068951.0132510.0338640.010.002490.02983928.962.03629.9229.5310.29530.073490.881998.0676.895101.3251003.386410.2492.9839394.0527.7407.14402.15613.614.0215611232.842.30933.9333.5131.1340.335130.083311盎司/英寸2(ozf/in2)=0.0625磅/英寸2(lb/in2)
2019 09/04

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