常用机电材料应用技术（附表）.doc

1、 目前常用钢管见表 1 表 1：钢管名称及标准号规格尺寸范围/mm适用范围低压流体输送用焊接钢管GB30912001DN（mm）6150薄壁管、普通管、加厚管0900.6Mpa采暖,供水一般低压流体输送用螺旋缝埋弧焊钢管SY50372000219.1*5 2220*16 0901.0Mpa 的非剧毒物质热水及冷水管道输送流体用热轧无缝钢管GB8163199932630管径超过 57 采用热轧57 以下采用冷轧0901.6Mpa一般流体低中压,锅炉用无缝钢管GB3087200010426 203002.5Mpa中低压蒸汽、压缩空气、石油产品流体输送不锈钢焊接钢管GB127712000DN6DN5

2、00901.0Mpa一般流体2. 低压、流体输送用焊接钢管。其规格见表 2表 2 钢管的公称口径、公称外径、公称壁厚及理论重量（GB/T 30912001）普通钢管 加厚钢管公称口径/mm公称外径/mm公称壁厚/mm理论重量/（kg/m）公称壁厚/mm理论重量/（kg/m）6 10.2 2.0 0.40 2.5 0.478 13.5 2.5 0.68 2.8 0.7410 17.2 2.5 0.91 2.8 0.9915 21.3 2.8 1.28 3.5 1.5420 26.9 2.8 1.66 3.5 2.0225 33.7 3.2 2.41 4.0 2.9332 42.4 3.5 3.3

3、6 4.0 3.7940 48.3 3.5 3.87 4.5 4.8650 60.3 3.8 5.29 4.5 6.1965 76.1 4.0 7.11 4.5 7.9580 88.9 4.0 8.38 5.0 10.35100 114.3 4.0 10.88 5.0 13.48125 139.7 4.0 13.39 5.5 18.20150 168.3 4.5 18.18 6.0 24.02注:1.表中的公称口径系近似内径的名义尺寸 ,不表示公称外径减去两个公称壁厚所得的内径。2.镀锌钢管重量需增加镀锌层的重量。表 4 拉制纯铜管的尺寸及质量表： （GB15271997，GB16866199

4、7）W=0.02796(D)（Kg/m）外径 D 壁厚 理论质量 W（Kg/m） 外径 D 壁厚 理论质量 W（Kg/m）20.50.751.00.0350.0470.0563 0.50.751.00.0490.0680.08460.751.01.52.00.1100.1400.1890.2241.5 0.10570.50.751.01.52.00.0910.1310.1680.2310.28040.50.751.01.52.00.0630.0890.1120.1470.1685 0.5 0.07780.50.751.00.1050.1520.19613 3.03.50.8380.92981.

5、52.02.53.03.50.2720.3350.3840.4190.440140.50.751.01.52.02.53.03.50.1890.2780.3630.5240.6710.8030.9221.02790.50.751.01.52.02.53.03.50.1190.1730.2240.3140.3910.4540.5030.538150.50.751.01.52.02.53.03.50.2030.2990.3910.5660.7270.8731.0061.125100.50.751.01.52.02.53.03.50.1330.1940.2520.3560.4470.5240.587

6、0.636161.01.52.02.53.03.54.04.50.4190.6080.7820.9431.0901.2231.3411.446110.50.751.01.52.02.53.03.50.1470.2150.2800.3980.5030.5940.6710.734120.50.751.01.52.02.50.1610.2360.3070.4400.5590.664171.01.52.02.53.03.54.04.50.4470.6500.8381.0131.1741.3201.4531.572表 4 续表3.03.50.7650.831130.50.751.01.52.02.50.

7、1730.2370.3250.4320.4170.732181.01.52.02.53.03.54.04.50.4750.6920.8941.0831.2581.4181.5651.698191.01.52.02.53.03.54.04.50.5030.7340.9501.1531.3411.5161.6771.823241.01.52.02.53.03.54.04.55.00.6430.9431.2301.5021.7612.0052.2362.4522.655201.01.52.02.53.03.54.04.50.5310.7761.0061.2231.4251.6141.7891.949

8、251.01.52.02.53.03.54.04.55.00.6710.9851.2861.5721.8442.1032.3472.5782.795211.01.52.02.53.03.54.04.55.00.5590.8171.0621.2931.5091.7121.9002.0752.236261.01.52.02.53.03.54.04.55.00.6991.0271.3411.6421.9282.2012.4592.7042.934221.01.52.02.53.03.54.04.55.00.5870.8591.1181.3621.5931.8102.0122.2012.37523 1

9、.01.5 0.6150.901271.01.52.02.53.03.54.04.55.00.7271.0691.3971.7122.0122.2992.5712.8303.074表 4 续表2.02.53.03.54.04.55.01.1741.4321.6771.9072.1242.3272.515281.01.52.02.53.03.50.7551.1111.4531.7822.0962.396284.04.55.02.6832.9553.214331.01.52.02.53.03.54.04.55.00.8941.3201.7332.1312.5152.8853.2423.5843.9

10、12291.01.52.02.53.03.54.04.55.00.7821.1531.5091.8512.1802.4942.7953.0813.354341.01.52.02.53.03.54.04.55.00.9221.3621.7892.2012.5992.9833.3543.7104.052301.01.52.02.53.03.54.04.55.00.8101.1951.5651.9212.2642.5922.9063.2073.493351.01.52.02.53.03.54.04.55.00.9501.4041.8442.2712.6833.0813.4653.8364.19231

11、1.01.52.02.53.03.54.04.55.00.8381.2371.6211.9912.3472.6903.0183.3333.633361.01.52.02.53.03.54.04.55.00.9781.4461.9002.3402.7673.1793.5773.9614.33232 1.01.52.02.53.03.54.04.55.00.8661.2791.6772.0612.4312.7883.1303.4583.77341 5.06.05.0305.860371.01.52.02.53.03.54.04.55.01.0061.4881.9562.4102.8503.2773

12、.6894.0874.471421.01.52.02.53.03.54.04.55.06.01.1411.6942.2742.7653.1243.7664.2484.7165.1706.036381.01.52.02.53.03.54.04.55.01.0341.5302.0122.4802.9343.3743.8014.2134.611 431.01.52.02.53.03.54.04.55.06.01.1741.7402.2922.8303.3543.8644.3604.8425.3106.204391.01.52.02.53.03.54.04.55.01.0621.5722.0682.5

13、503.0183.4723.9124.3394.751401.01.52.02.53.03.54.04.55.01.0901.6142.1242.6203.1023.5704.0244.4644.891441.01.52.02.53.03.54.04.55.06.01.2021.7822.3472.8993.4373.9614.4714.9675.4496.372表 4 续表表 4 续表41 1.01.52.02.53.03.54.01.1181.6562.1802.6903.1863.6624.136451.01.52.02.53.03.54.04.55.06.01.2301.8232.40

14、32.9693.5214.0594.5835.0935.5896.539461.01.52.02.53.03.54.01.2581.8652.4593.0393.6054.1574.695表 4 续表表 4 续表表 5 管材公称压力和规格尺寸（GB 10002.11996） （mm）壁厚公称压力公称外径0.6MPa 0.8MPa 1.0MPa 1.25MPa 1.6MPa202532405063759011012514016018020022525028031535540045050056063071080090010002.02.22.73.23.74.14.75.35.96.67.38.2

15、9.29.410.612.013.314.916.718.921.223.926.62.02.52.93.53.94.44.95.66.37.37.98.89.811.012.514.015.816.817.219.322.024.827.931.02.02.43.03.64.34.85.46.17.07.88.79.810.912.213.714.815.317.219.121.424.127.230.62.02.43.03.84.55.45.76.06.77.78.69.610.811.913.415.016.919.121.523.926.730.02.02.02.43.03.74.75

16、.66.77.27.48.39.510.711.913.414.816.618.721.123.726.729.7表 7 聚氯乙表烯直管公称外径与壁厚及粘接承口 （mm）直管 粘接承口壁厚 长度 承口中部内径公称外径 平均外径极限偏差 基本尺寸极限偏差 基本尺寸极限偏差 最小尺寸 最大尺寸承口深度最小40 +0.30 2.0 +0.40 40.1 40.4 2550 +0.30 2.0 +0.40 50.1 50.4 2575 +0.30 2.3 +0.40 75.1 75.5 4090 +0.30 3.2 +0.60 90.1 90.5 46110 +0.40 3.2 +0.60 110.2

17、 110.6 48125 +0.40 3.2 +0.60 125.2 125.6 51160 +0.50 4.0 +0.604000 或6000 10160.2 160.7 58表 8 管材规格尺寸（GB/T 136331992）压力等级公称压力0.25MPa公称压力0.4MPa公称压力0.6MPa公称压力1.0MPa公称外径用管件连接管的平均外径极限偏差热承插连接管的平均外径极限偏差公称壁厚极限偏差公称壁厚极限偏差公称壁厚极限偏差公称壁厚极限偏差16 +0.30 0.2 2.0 +0.4020 +0.30 +0.3 2.0 +0.40+0.30 0.3 2.0+0.40 2.3+0.5032

18、 +0.30 0.3 2.0 +0.40 2.9 +0.5040 +0.40 0.4 2.0 +0.40 2.4 +0.50 3.7 +0.6050 +0.50 0.4 2.0 +0.40 3.0 +0.50 4.6 +0.7063 +0.60 0.5 2.0 +0.40 2.4 +0.50 3.8 +0.50 5.8 +0.8075 +0.70 0.5 2.0 +0.40 2.9 +0.60 4.5 +0.60 6.8 +0.9090 +0.90 0.7 2.2 +0.50 3.5 +0.60 5.4 +0.70 8.2 +1.10110 +1.00 0.8 2.7+0.50 4.2+0.7

19、0 6.6+0.80 10.0+1.20125 +1.20 1.0 3.1 +0.50 4.8 +0.70 7.4 +0.90 11.4 +1.30140 +1.30 1.0 3.5 +0.60 5.4 +0.80 8.3 +1.00 12.7 +1.50160 +1.50 1.2 4.0 +0.60 6.2 +0.90 9.5 +1.10 14.6 +1.70180 +1.70 4.4 +0.70 6.9 +0.90 10.7 +1.20 16.4 +1.90200 +1.80 4.9 +0.70 7.7 +1.00 11.9 +1.30 18.2 +2.10225 +2.10 5.5 +0

20、.80 8.6 +1.10 13.4 +1.40 20.5 +2.30250 +2.30 6.2 +0.90 9.6 +1.20 14.8 +1.60 22.7 +2.40315 +0.290 7.7 +1.00 12.1 +1.50 18.7 +1.70 28.6 +3.10注: 1.壁厚是以 20时环向(诱导)应力 5MPa 确定的。2公称压力是管材在 20下输送水的工作压力。若水温不同时，应按表 9 校正工作压力。表 10 管材允许工作压力（CJ/T2052000）温度/使用寿命/年 允许允许工作压力 /MPa10151025501.421.391.381.371.361.791.761

21、.741.721.712.252.222.192.172.152.832.782.762.732.71表 8 续表20151025501.261.231.221.211.201.581.551.541.521.511.991.961.941.921.912.512.462.442.422.4030151025501.121.101.091.071.071.411.381.371.351.341.771.741.721.711.692.232.192.172.152.1340151025500.90.970.960.950.951.251.231.221.201.191.581.551.531.

22、511.501.991.951.931.911.8950 151025500.890.870.860.850.851.121.101.091.071.071.411.381.371.351.341.771.741.721.701.6960151025500.790.780.770.760.751.000.980.970.960.951.261.231.221.211.201.581.551.541.521.5170151025500.750.700.690.680.670.890.880.870.860.851.131.101.091.081.071.421.391.381.361.35801

23、51025500.640.630.620.610.610.800.790.780.770.761.010.990.980.970.961.271.241.231.221.21901510250.570.560.550.550.720.710.700.690.910.890.880.871.141.121.111.10951510250.540.530.530.520.680.670.660.560.860.840.830.821.081.061.051.04表 10 续表表 11 聚乙烯管（GB15558.11995） （mm）公称外径 壁 厚工作压力0.4MPa 工作压力0.2MPa基本尺寸

24、允许偏差 基本尺寸 允许偏差 基本尺寸 允许偏差+0.3 +0.4 +0.4200 3.0 0 2.3 0+0.3 +0.4 +0.4250 3.0 0 2.3 0+0.3 +0.4 +0.4320 3.0 0 2.3 0+0.4 +0.5 +0.4400 3.7 0 2.3 0公称外径 壁 厚工作压力0.4MPa 工作压力0.2MPa基本尺寸 允许偏差基本尺寸 允许偏差 基本尺寸 允许偏差+0.4 +0.6 +0.4500 4.6 0 2.9 0+0.4 +0.7 +0.5630 5.8 0 3.6 0+0.4 +0.8 +0.6750 6.8 0 4.3 0+0.5 +1.0 +0.790

25、0 8.2 0 5.2 0+0.6 +1.1 +0.81100 10.0 0 6.3 0+0.6 +1.3 +0.91250 11.4 0 7.1 0+0.9 +1.4 +0.91400 12.7 0 8.0 0+1.0 +1.6 +1.11600 14.6 0 9.1 0+1.0 +1.8 +1.21800 16.4 0 10.3 0+1.2 +2.0 +1.32000 18.2 0 11.4 0+1.4 +2.2 +1.42250 20.5 0 12.8 0250 +1.5 22.7 +2.4 14.2 +1.6表 11 续表0 0 0表 12 最大连续工作压力系数表（QB19291993

26、）使用温度/要求的最高使用寿命/a最大连续工作压力系数使用温度/要求的最高使用寿命/a最大连续工作压力系数20151025501.351.241.231.161.0040151025500.830.800.750.700.6430151025501.071.000.950.900.8850151025500.680.600.600.500.4460 151025500.550.480.430.350.30801510250.330.230.200.17701510250.430.330.300.239515100.200.140.12表 13 管材规格尺寸及其偏差(QB1929 1993) （

27、mm）管材型号公称压力/MPaPN0.25 PN0.4 PN0.6 PN1.0 PN1.6 PN2.0壁厚 e 壁厚 e 壁厚 e 壁厚 e 壁厚 e 壁厚 e公称外径de外径偏差公称值极限偏差公称值极限偏差公称值极限偏差公称值极限偏差公称值极限偏差公称值极限偏差16 +0.30 1.8 +0.40 2.2 +0.50 2.7 +0.50表 12 续表20 +0.30 1.8 +0.40 1.9 +0.40 2.8 +0.50 3.4 +0.6025 +0.30 1.8 +0.40 2.3 +0.50 3.5 +0.60 4.2 +0.7032 +0.30 1.9 +0.40 2.9 +0.5

28、0 4.4 +0.70 5.4 +0.8040 +0.30 1.8 +0.40 2.4 +0.50 3.7 +0.60 5.5 +0.80 6.7 +0.9050 +0.50 1.8 +0.40 2.0 +0.40 3.0 +0.50 4.6 +0.70 6.9 +0.90 8.3 +1.1063 +0.60 1.8 +0.40 2.4 +0.50 3.8 +0.60 5.8 +0.80 8.6 +1.10 10.5 +1.3075 +0.70 1.9 +0.40 2.9 +0.50 4.5 +0.70 6.8 +0.90 10.3 +1.30 12.5 +1.5090 +0.90 2.2 +

29、0.50 3.5 +0.60 5.4 +0.80 8.2 +1.10 12.3 +1.50 15.0 +1.70110 +1.00 2.7 +0.50 4.2 +0.70 6.6 +0.90 10.0 +1.20 15.1 +1.80 18.3 +2.10125 +1.20 3.1 +0.60 4.8 +0.70 7.4 +1.00 11.4 +1.40 17.1 +2.00 20.8 +2.30140 +1.30 3.5 +0.60 5.4 +0.80 8.3 +1.10 12.7 +1.50 19.2 +2.20 23.3 +2.60160 +1.50 4.0+0.60 6.2+0.90

30、9.5+1.20 14.6+1.70 21.9+2.40 26.6+2.90180 +1.70 4.4 +0.70 6.9 +0.90 10.7 +1.30 16.4 +1.90 24.6 +2.70 29.9 +3.20200 +1.80 4.9 +0.70 7.7 +1.00 11.9 +1.40 18.2 +2.10 27.3 +3.00 225 +2.10 5.5 +0.80 8.6 +1.10 13.4 +1.60 20.5 +2.30 250 +2.30 6.2 +0.90 9.6 +1.20 14.8 +1.70 22.7 +2.50 水泥砂浆衬里厚度及允许公差如表 14: 表

31、14衬里厚度/mm 厚度公差 /mm公称管径/mm机械喷涂 手工喷涂 机械喷涂 手工喷涂500700 8+228001000 10+22表 13 续表11001500 12 14+32+3216001800 14 16+32+3220002200 15 17+43+4324002600 16 18+43+432600 以上 18 20+43+436.2.3 衬塑层厚度(mm)见表 16 表 16衬塑品种 衬塑品种公称直径DN PP PE PVC公称直径DN PP PE PVC25 2 2 2 125 3.5 3.5 3.532 2 2 2 150 3.5 3.5 3.540 2 2 2 200

32、 4.5 4.5 4.550 2.5 2.5 2.5 250 4.5 4.5 4.565 2.5 2.5 2.5 300 5 5 580 3 3 3 350 5 5 5100 3 3 3 400 5 5 5表 17 Pg0.25MPa 光滑面平焊法兰: (mm)公称直径Dg管子 法 兰 螺 栓 法兰理 论重 量(比重7.85)外径d.外径D螺栓孔中心圆直 径D1连接凸出部分直 径D2连接凸出部分高 度f法兰厚度b螺栓孔直径d数量单 头直径*长度双头直径*长度(kg)10152025324050658010012515017520022525030035040045050060070080090

33、010001200140016001418253238455773891081331591942192452733253774264785296307208209201020122014201620758090100120130140160185205235260290315340370435485535590640755860975107511751375157517855055657590100110130150170200225255280305335395445495550600705810920102011201320152017303240506070809011012514517

34、5200230250280310362412462518568670775880980108012801480169022222333333333334444455555555101012121212121414141416161820222222222424242626283030323212121212141414141818181818181818232323232325253030303030304444444444888881212121616162024242428323640M10*40M10*40M10*40M10*40M12*40M12*40M12*40M12*50M16*5

35、0M16*50M16*50M16*50M16*50M16*60M16*60M16*70M20*70M20*70M20*70M20*80M20*80M22*80M22*80M27*90M27*90M27*100M27*100M27*100M27*100M10*50M10*50M10*50M10*50M12*60M12*60M12*60M12*70M16*70M16*70M16*70M16*70M16*70M16*80M16*80M16*90M20*90M20*90M20*90M20*100M20*100M22*100M22*100M27*120M27*120M27*120M27*120M27*1

36、30M27*1300.2540.2900.4500.5530.7950.8700.9541.431.952.202.783.493.864.885.937.329.4010.511.714.916.220.629.936.744.252.765.978.394.3Pg0.6Mpa 光滑面平焊钢法兰 (mm)表 18管子 法 兰 螺 栓公称直径Dg外径d.外径D螺栓孔中心圆直 径D1连接凸出部分直 径D2连接凸出部分高 度f法兰厚度b螺栓孔直径d数量单 头直径*长度双头直径*长度法兰理 论重 量(比重7.85)(kg)101520253240506580100125150175200225250

37、300350400450500600700800900100014182532384557738910813315919421924527332537742647852963072082092010207580901001201301401601852052352602903153403704354855355906407558609751075117550656575901001101301501702002252552803053353954454955506007058109201020112032405060708090110125145175200230255280310362412

38、462518568670775880980108022222333333333334444455555121214141616161618182020222222242226282830303232343612121212141414141818181818181818232323232325253030304444444444888881212121616162024242428M10*40M10*40M10*50M10*50M12*50M12*50M12*50M12*50M16*60M16*60M16*60M16*60M16*70M16*70M16*70M16*70M20*70M20*80

39、M20*80M20*80M20*90M22*90M22*90M27*100M27*100M27*100M10*50M10*50M10*60M10*60M12*70M12*70M12*70M12*70M16*80M16*80M16*80M16*80M16*80M16*80M16*80M16*90M20*90M20*100M20*100M20*100M20*110M22*110M22*120M27*120M27*130M27*1300.3130.3350.5360.6411.0971.2191.3481.672.482.893.944.475.546.076.68.0310.312.5915.21

40、7.5920.6726.5737.146.255.157.3Pg1Mpa 光滑面平焊钢法兰 (mm)表 19管子 法 兰 螺 栓公称直径Dg外径d.外径D螺栓孔中心圆直 径D1连接凸出部分直 径D2连接凸出部分高 度f法兰厚度b螺栓孔直径d数量单 头直径*长度双头直径*长度法兰理 论重 量(比重7.85)(kg)10152025324050658010012515017520022525030035040045050060014182532384557738910813315919421924527332537742647852963090951051151351451601801952152

41、45280310335365390440500565615670780606575851001101251451601802102402702953253504004605155656207254045556578851001201351551852102402652953203684284825325856852222233333333333444445121214141618182020222424242424262828303032361414141418181818181818232323232323232525253044444444488888812121616202020M12*

42、40M12*40M12*50M12*50M16*60M16*60M16*60M16*60M16*60M16*70M16*70M20*80M20*80M20*80M20*80M20*80M20*80M20*80M20*90M22*90M22*90M27*110M12*60M12*60M12*60M12*60M16*70M16*80M16*80M16*80M16*80M16*90M16*90M20*100M20*100M20*100M20*100M20*100M20*100M20*100M22*110M22*110M22*120M27*1300.4580.5110.7480.891.401.712

43、.092.843.244.015.406.127.448.249.310.712.915.921.824.427.730.4表 20 Pg1.6Mpa 光滑面平焊钢法兰 (mm)管子 法 兰 螺 栓公称直径Dg外径d.外径D螺栓孔中心圆直 径D1连接凸出部分直 径D2连接凸出部分高 度f法兰厚度b螺栓孔直径d数量单 头直径*长度双头直径*长度法兰理 论重 量(比重7.85)(kg)101520253240506580100125150175200225250300350400450500600141825323845577389108133159194219245273325377426478

44、529630909510511513514516018019521524528031033536540546052058064070584060657585100110125145160180210240270295325355410470525585650770404555657885100120135155185210240265295320375435485545608718222223333333333344444514141618182022242426282828303032323438424850141414141818181818181823232323252525303034

45、414444444488888121212121616202020M12*50M12*50M12*50M12*60M16*60M16*60M16*70M16*70M16*70M16*80M16*80M20*80M20*80M20*90M20*90M22*90M22*90M22*100M27*110M27*120M30*130M36*140M12*60M12*60M12*70M12*70M16*80M16*80M16*90M16*90M16*90M16*90M16*100M20*100M20*100M20*110M20*110M22*120M22*120M22*120M27*140M27*150

46、M30*160M36*1800.5470.7110.8671.1741.602.002.613.453.714.86.477.928.8110.111.715.718.123.331.040.255.180.3表 21 Pg2.5Mpa 光滑面平焊钢法兰 (mm)管子 法 兰 螺 栓公称直径Dg外径d.外径D螺栓孔中心圆直 径D1连接凸出部分直 径D2连接凸出部分高 度f法兰厚度b螺栓孔直径d数量单 头直径*长度双头直径*长度法兰理 论重 量(比重7.85)(kg)10152025324050658010012515017520022525030014182532384557738910813

47、315919421924527332590951051151351451601801952302703003303603954254856065758510011012514516019022025028031034037043040455565788510012013516018821824827830233239022222333333333334161618182022242426283030323234343614141414181818181823252525253030304444444888881212121216M12*50M12*50M12*60M12*60M16*60M16

48、*70M16*70M16*70M16*80M20*80M22*90M22*90M22*100M22*100M27*100M27*100M27*110M12*70M12*70M12*70M12*70M16*80M16*90M16*90M16*90M16*100M20*100M22*110M22*110M22*120M22*120M27*130M27*130M27*1300.6340.8040.9851.1741.962.602.713.224.066.08.2610.411.914.517.018.926.8表 22 阀门的类型、驱动方式、连接形式、结构形式及代号代号 0 1 2 3 4 5 6 7 8 9驱动方式 电磁动 电磁-液动 电-液动 蜗轮 正齿轮 伞齿轮 气动 液动 气 -液动 电动连接形式 内螺纹 外螺纹 法兰 焊接 对夹 卡箍 卡套类型代号 结 构 形 式明 杆楔 式 平行式 暗杆楔式刚性闸阀 Z 弹性闸板 单闸板 双闸板 单闸板 双闸板 单闸板 双闸板截止阀 J 平衡节流阀 L 直通式 直角式 直流式 直通式 直角式浮动球 固定球球阀 Q 直通式 L 形三通式T 形三通式 直通式(1)第一单元用汉语拼音字母表示阀门类别,如闸阀代号为 Z,截止