矩形钢管尺寸规格表资料

囱形钢管尺寸规格表优质资

矩影钢管的尺寸规格

基本尺寸惯性矩截面系数

位而面积F理论质量G

ABSJxJyWxwy

//VpmIIIOZ.//(6[tagf/imn)/

mmcm4cm3

0.80.2030.1600.00740.02390.02970.0478

105

10.2430.1910.00820.02700.03290.0547

0.80.2350.1850.00880.03880.03540.0646

5

10.2830.2220.00990.04490.03950.0748

12

0.80.2510.1970.01390.04380.04620.0730

6

10.3030.2380.01570.05090.05240.0849

0.80.2830.2230.01600.06540.05350.0935

610.3430.2690.01820.07670.06080.110

1.50.4710.3700.02150.09730.07150.139

0.80.2990.2350.02330.07240.06650.104

710.3630.2850.02680.08520.07650.122

14

1.50.5010.3940.03240.1090.09270.156

0.80.3470.2730.05450.09340.1090.133

10.4230.3320.06400.1110.1280.158

10

1.50.5910.4640.08180.1440.1640.206

20.7310.5740.09250.1670.1850.238

0.80.2990.2350.01710.07840.05710.105

10.3630.2850.01950.09220.06510.123

156

1.50.5010.3940.02300.1180.07680.157

20.6110.4800.02400.1330.07990.177

0.80.3470.2730.03620.1110.09050.139

16811.50.4230.3320.04210.1320.1050.165

20.5910.4640.05250.1730.1310.216

0.7310.5740.05790.2000.1450.250

0.80.4110.3230.09410.1480.1570.186

10.5030.3950.1120.1770.1860.222

12

1.50.7110.5590.1470.2360.2440.295

20.8910.7000.1700.2790.2840.349

0.80.3950.3100.05320.1620.1180.180

10.4830.3790.06240.1940.1390.215

9

1.50.6810.5350.07960.2580.1770.287

20.8510.6680.08970.3040.1990.337

0.20.4110.3230.06800.1740.1360.194

10.5030.3950.08020.2080.1610.231

1810

1.50.7110.5590.10370.2780.2070.309

20.8910.7000.1190.3290.2370.366

0.80.4750.3730.1490.2220.2130.246

10.5830.4580.1780.2660.2550.296

14

1.50.8310.6530.2390.3600.3410.400

21.0510.8250.2830.4320.4040.480

0.80.4110.3230.04450.1970.1110.197

10.5030.3950.05200.2360.1300.236

8

1.50.7110.5590.06540.3150.1640.315

20.8910.7000.07280.3730.1820.373

0.80.4430.3480.07480.2270.1500.227

10.5430.4260.08840.2720.1770.272

2010

1.50.7710.6060.1150.3670.2290.367

20.9710.7630.1320.4380.2630.438

0.80.4750.3730.1140.2560.1900.256

10.5830.4580.1360.3080.2260.308

12

1.50.8310.6530.1800.4180.3000.418

21.050.8250.2110.5030.3520.503

2.51.240.9760.2310.5650.3850.565

0.80.4590.3610.06400.2710.1420.246

10.5630.4420.07530.3250.1670.295

91.50.8010.6290.09670.4400.2150.400

21.0110.7940.1100.5270.2440.479

2.51.190.9360.1170.5890.2590.536

22

0.80.5390.4230.1770.3610.2530.328

10.6630.5200.2120.4350.3030.396

141.50.9510.7460.2860.5980.4080.543

21.210.9510.3410.7270.4870.661

2.51.441.130.3810.8280.5440.753

0.80.5390.4230.1340.4030.2240.336

10.6630.5200.1600.4870.2670.406

24121.50.9510.7470.2130.6690.3550.557

21.210.9510.2520.8150.4190.679

2.51.441.130.2770.9280.4620.774

0.80.5230.4110.09180.3990.1840.320

10.6430.5050.1090.4820.2170.386

101.50.9210.7230.1420.6600.2840.528

21.170.9200.1640.8020.3290.642

252.51.391.090.1780.9100.3550.728

10.7430.5830.2790.6260.3720.501

1.51.070.8410.3790.8680.5050.6914

15

21.371.080.4571.070.6090.854

2.51.641.290.5151.230.6870.983

10.7230.5670.1510.6830.2740.48b

1.51.040.8180.2000.9450.3630.675

2811

21.331.050.2351.160.4260.328

2.51.591.250.2571.330.4680.951

10.7830.6150.2630.7920.3760.566

1.51.130.8880.3561.100.5090.788

14

21.451.140.4281.360.6120.973

2.51.741.370.4821.580.6881.13

10.8230.6460.3570.8650.4470.618

1.51.190.9350.4891.210.6120.863

16

21.531.200.5951.500.7431.07

2.51.841.450.6761.740.8451.24

10.9430.7400.7441.080.6770.774

1.51.371.081.041.520.9451.09

21.771.391.291.901.171.36

2822

2.52.141.681.502.231.361.59

32.491.951.672.501.521.79

3.52.802.201.802.721.641.94

1.51.130.8880.2631.190.4390.796

21.451.140.3121.480.5200.984

3012

2.51.741.370.3471.710.5781.14

32.011.570.3691.890.6141.26

1.51.220.9590.3391.480.5210.927

21.571.230.4061.840.6241.15

13

2.51.901.490.4542.140.6991.34

32.191.720.4882.390.7511.49

1.51.311.030.5531.690.6911.07

3221.691.330.6742.110.8421.32

16

2.52.041.600.7682.470.9611.54

32.371.860.8402.771.051.73

1.51.581.211.572.321.261.45

2522.051.611.972.921.581.83

2.52.491.962.313.451.852.16

32.912.282.603.912.082.44

1.51.341.050.4391.960.6271.12

21.731.360.5302.450.7571.40

35142.52.091.640.5992.860.8561.64

32.431.900.6493.210.9281.84

3.52.732.140.6833.500.9752.00

1.51.491.170.8112.460.9011.37

21.931.520.9983.101.111.72

182.52.341.841.153.651.282.03

36

32.732.141.274.131.412.29

3.53.082.421.374.531.522.51

2822.331.832.854.262.042.36

21.851.450.6612.960.8811.60

2.52.241J60.7533.471.001.88

371532.612.050.8213.911.092.12

3.52.942.310.8704.281.162.31

43.252.550.9014.581.202.48

22.011.580.8323.771.041.89

2.52.441.920.9534.461.192.23

1632.852.231.055.051.312.52

3.53.222.531.125.551.402.77

43.572.801.165.971.462.98

22.171.701.414.351.412.18

40

2.52.642.071.645.161.642.58

2033.092.421.835.871.832.93

3.53.502J51.996.481.993.24

43.863.052.117.012.113.50

22.371.862.395.071.912.54

25

2.52.892.272.826.042.253.02

33.392.663.186.902.543.45

3.53.853.023.497.652.793.83

44.293.363.758.312.994.15

423022.652.083.836.532.553.11

22.772.184.077.732.713.44

2.53.392.664.839.263.224.12

453033.993.135.5110.653.574.73

3.54.553.576.1111.904.075.29

45.093.6.6213.014.425.78

22.892.274.309.062.873.77

4830

2.53.542.785.1210.873.414.53

23.052.405.1810.483.244.19

50322.53.742.946.1812.603.865.04

34413.467.0714.554.425.82

23.492J48.3614.934.405.43

2.54.293.3710.0418.035.296.56

553835.073.。811.5820.916.097.60

3.55.814.5612.9723.576.838.57

46.535.1214.2326.017499.46

3.56.304.9515.8430.417.9210.14

604047.095.5617.4233.668.7111.22

58.576J320.1539.4110.0713.14

48.696.8234.0558.3513.5216.67

510.578.3039.9869.1115.9919.75

7050

612.349.6945.0478.5118.0222.43

714.0010.9949.2986.6419.7124.75

410.298.0758.7992.7619.60.23.19

8060512.579.8769.75110.723.2527.68

614.7411.5779.40126.8264731.70

716.8013.1987.81141.129.2735.28

411.09.8.7。65.07123.721.5927.48

513.5710.6577.33148.225.7832.93

9060

615.9412.5288.18170.429.3937.86

7182014.2997.70190.332.5742.30

515.5712.22122.0215.234.8643.04

618.3414.40140.1248.640.0449.73

10070

721.0016.48156.4279.344.6855.86

823.5418.48170.9307.148.8361.43,,

517.0713.40155.8285.841.5451.96

620.1415.81179.5331.447.8760.25

11075

723.1018.13201.0373.453.6167.89

825.9420.36220.4412.158.7974.92

621.9417.22225.6430.656.4071.76

725.2019.78253.4486.663.3581.10

12080

828.3422.25278.7538.569.6789.75

931.3724.63301.6586.575.4197.74

623.7418.64278.9547.863.6384.28

727.3021.43314.07620.573.9095.47

13085

830.7424.13346.3682.481.49105.9

934.0726.75375.8751.688.43115.6

728.0021.98290.8715.172.70102.2

831.5424.76320.3794.180.08113.4

14080

934.9727.45347.3867.886.81124.0

1038.2930.05371.7936.492.92133.8

728.7022.53266.0814.670.93108.6

832.3425.39292.6905.378.03120.7

15075

935.8728.16316.8990.184.47132.0

1039.2930.84338.61069.390.29142.6

832.3425.39220.9975.467.97121.9

935.8728,16238.11066.873.27133.3

16065

1039.2930.84253.41152.077.98144.0

1142.5933.43266.91231.282.13153.9

聊城开发区江洋物资业务热线:

镀锌管相关资料

钢管重量计算公式:［（外径•壁厚）*皇厚］・0.02466=kg/米（每米的重量）

规格外径壁厚最小壁焊管（6米定尺）镀锌管（6米定尺）

mmmm厚mm米重kg根重kg米重kg根重kg

公称内径英寸

（毫米）

DN151/221.32.82.451.287.681.3578.14

DN203/426.92.82.451.669.961.7610.56

DN25133.73.22.82.4114.462.55415.32

DN321.2542.43.53.063.3620.163.5621.36

DN401.548.33.53.063.8723.224.1024.60

DN50260.33.83.3255.2931.745.60733.64

DN652.576.14.03.57.1142.667.53645.21

DN80388.94.08.3850.288.8853.28

DN1004114.34.010.8865.2811.5369.18

5

DN1251404.515.0490.2415.94298.65

DN1506168.34.518.18109.0819.27115.62

DN2008219.16.031.53189.18

（焊管）

DN2008219.16.536.12216.72

（热镀

锌）

镀锌钢管尺寸规格表

公称口径外径壁厚镀锌管壁黑铁管增加的重量系数

MMMMMM普通钢管加厚钢管

610.021.0641.059

813.52.751.0561.046

1017.03.501.0561.046

1521.33.151.0471.039

2026.83.401.0461.039

2533.54.251.0391.032

3242.35.151.0391.032

公称口径外径壁厚镀锌管壁黑铁管增加的重量系数

MMMMMM普通钢管加厚钢管

4048.04.001.0361.030

5060.05.001.0361.028

6575.55.251.0341.028

8088.54.251.0321.027

100114.07.001.0321.026

125140.07.501.0281.023

150165.07.501.0281.023

镀锌钢管尺寸规格表说明：W=CX[0.02466X(D-S)XS]

W--镀锌管每米重量：kg/m

镀锌管比黑铁管增加的重量系数

D-，黑铁管的外径

S--黑铁管的壁厚

镀锌管的分类

镀锌钢管分冷镀管、热镀管，前者已被禁用，后者还被国家提倡

暂时能用.

热镀锌管：

热镀锌管是使熔融金属与铁基体反应而产生合金层，从而使基体

和披层二者相结合。热镀饵是先将钢管进行酸洗，为了去除钢管表面

的氧化铁，酸洗后，通过氯化较或氯化锌水溶液或氯化锭和氯化锌混

合水溶液槽中进行清洗，然后送入热浸镀槽中。热镀锌具有镀层均匀，

附着力强，使用寿命长等优点。

冷镀锌管：

冷镀锌就是电镀锌，镀锌量很少，只有10—50g/m2,其本身的

耐腐蚀性比热镀锌管相差很多。正规的镀锌管生产厂家，为了保证质

量，大多不采用电镀锌（冷镀）。只有那些规模小、设备陈旧的小企

业采用电镀锌，当然他们的价格也相对便宜一些。目前建设部已正式

下文，淘汰技术落后的冷镀锌管，今后不准用冷镀锌管作水、煤气管。

热镀锌钢管：钢管基体与熔融的镀液发生复杂的物理、化学反应，

形成耐腐蚀的结构紧密的锌一铁合金层。合金层与纯锌层、钢管基体

融为一体。故其耐腐蚀能力强。

冷镀锌钢管：锌层是电镀层，锌层与钢管基体独立分层。锌层较

薄，锌层简单附着在钢管基体上，容易脱落。故其耐腐蚀性能差。在

新建住宅中，禁止使用冷镀锌钢管作为给水管。

镀锌钢管的用途

常说的镀锌管，镀锌管的用途现在煤气、暖气用的那种铁管也是

镀锌管，镀锌管作为水管，使用几年后，管内产生大量锈垢，流出的

黄水不仅污染洁具，而且夹杂着不光滑内壁滋生的细菌，锈蚀造成水

中重金属含量过高，严重危害人体的健康。六七十年代，国际上发达

国家开始开发新型管材，并陆续禁用镀锌管。中国建设部等四部委也

发文明确从二000年起禁用镀锌管，目前新建小区的冷水管已经很少

使用镀锌管了，有些小区的热水管使用的是镀锌管。

镀锌管规格有：

4分，6分，1寸，1.2寸，

1.5寸，2寸，2.5寸，3寸

4寸，5寸，6寸，8寸

镀锌管执行标准：

GBT/T8162-2021GB/T8163-2021.GB3087-202K

GB5310-2021>GB6479-2000>GB9948-2006.GB5312-1999.

GB/T18984-2003.JISG3457.DIN17175-79.ASTM.ASME等。

镀锌管应该达到的技术要求

1、牌号和化学成分

镀锌钢管用钢的牌号和化学成分应符合GB3092所规定的黑管

用钢的牌号和化学成分。

2、制造方法

黑管的制造方法（炉焊或电焊）由制造厂选择。镀锌采用热浸镀

锌法。

3、螺纹及管接头

3.1带螺纹交货的镀锌钢管，螺纹应在镀锌后车制。螺纹应符合YB

822的规定。

3.2钢制管接头应符合YB238的规定；可锻铸铁管接头应符合YB

230的规定。

4、力学性能钢管镀锌前的力学性能应符合GB3092的规定。

5、镀锌层的均匀性镀锌钢管应作镀锌层均匀性的试验。钢管试样在

硫酸铜溶液中连续浸渍5次不得变红（镀铜色）。

6、冷弯曲试验公称口径不大于50mm的镀锌钢管应作冷弯曲试验。

弯曲角度为90°,弯曲半径为外径的8倍。试照时不带填充物，试样

焊缝处应置于弯曲方向的外侧或上部。试验后，试样上不应有裂缝及

锌层剥落同象。

7、水压试验水压试脸应在黑管进行，也可用涡流探伤代替水压试脸。

试验压力或涡流探伤对比试样尺寸应符合GB3092的规定。

低压流体输送用镀锌焊接钢管

（热浸镀锌部分）

1、镀锌层的均匀性：钢管试样在硫酸铜溶液中连续浸渍5次不得变

红（镀铜色）

2、表面质量：镀锌钢管的表面应有完整的镀锌层，不得有未镀上的

黑斑和气泡存在，允许有不大的粗糙面和局部锌瘤存在。

3、镀锌层重量：根据需方要求，镀锌钢管可作锌层重量测定，其平

均值应不小于500g/平方米，其中任何试样不得小于480g/平方米。

镀锌管定义

热镀锌管是使熔融金属与铁基体反应而产生合金层，从而使基体

和镀层二者相结合。热镀锌是先将钢管进行酸洗，为了去除钢管表面

的氧化铁，酸洗后，通过氯化接或氯化锌水溶液或氯化锭和氯化锌混

合水溶液槽中进行清洗，然后送入热浸镀槽中。热镀锌具有镀层均勺，

附着力强，使用寿命长等优点。

冷镀锌就是电镀锌，镀锌量很少，只有10—50g/m2,其本身的

耐腐蚀性比热镀锌管相差很多。正规的镀锌管生产厂家，为了保证质

量，大多不采用电镀锌（冷镀）。只有规模小、设备陈旧的小企业采用

电镀锌，当然他们的价格也相对便宜一些。建谀部已正式下文，淘汰

技术落后的冷镀锌管，不准用冷镀锌管作水、煤气管。

一般现在用的镀锌钢管都是热镀锌的，而电气上用的线槽等用的

是冷镀锌，颜色有一定的区别

冷镀…只在外管壁镀锌，热镀…内外都镀.

镀锌焊管是在焊接钢管的基础上再热镀锌（即在锌锅内将锌溶化,

再将钢管浸入液体钾中一段时间取出，再冷却吹干）.使钢管内外壁同

时有一层锌层附着.镀锌管一般用于低压流体（即水，液体煤气）的输

送.

镀锌管标准分类

为提高钢管的，时腐蚀性能，对一般钢管（黑管）进行镀锌。

镀锌钢管分热镀锌和电钢锌两种，热镀锌镀锌层厚，电镀锌成本

低。

吹氧焊管：用作炼钢吹氧用管，一般用小口径的焊接钢管，规格

由3/8寸-2寸八种。用08、10、15、20或Q195-Q235钢带制成。

为防蚀，有的进行渗铝处理。

镀锌管计算公式：

［（外径•壁厚）*壁厚］*0.02466=kg/米（每米的重量）

国家标准镀锌管

DN15*2.75

DN20275

DN25*3.25

DN32*3.5

DN40*3.5

DN50*3.5

DN65*3.75

DN80M

DN100*4

DN125M.5

DN150*4.5

热镀锌钢管的要求：DN70的要求壁厚达到3.75,DN100的要求壁厚达到4.0mm,DN150

的，要求壁肾达到（5mm.一般消防上普遍采用这3种管任的管材。不过对钢管，国室允许

壁厚有10%的负差，也就是说，如果国标要求壁厚为4.0mm,实际能达到3.6mm以上就可

以了。。

镀锌管相关资料

钢管重量计算公式:［（外径一壁厚）*壁厚厂（J.02466=kg/米（每米的重量）

规格夕卜径mm壁厚mm最小壁焊管（6米定尺）镀锌管（6米定尺）

厚mm米重kg根里kg米重kg根重kg

公称内径英寸

（毫米）

DN151/221-32.82o45lo287.68lo3578。14

DN203/426.92。82o451.669.961o7610o56

DN25133.73o22.82.4114.462.55415.32

DN321.2512.13o53o063。3620。163o5621.36

DN401.548o3入53.063.8723.224。1024.60

DN50260：33.83.3255o2931.745.60733.64

DN652.576o14.03.57.1142.667o5345o21

6

DN80388.9I.08.3850。288o885：%2S

DN1004114。34.010.8865.2811。5369.18

DN12551404.515o0490.2415o998.65

42

DN1506168.34.518.18109.019o27115.62

8

DN2008219.16o031.5318

(焊管)9.18

DN2008219。16o536。1216«7

（热镀22

锌）

镀锌钢管尺寸规格表

公称口径外径壁厚镀锌管壁黑铁管增加的重量系数

MMMMMM普通钢管加厚钢管

610.021.0641.059

813o52o75lo0561.046

1017.03.50I.0561.046

1521.33o151.0471.039

2026o83.4()1.0461。039

2533o54o251.0391。032

3242.35.151.0391.032

公称口径外径壁厚镀锌管壁黑铁管增加的重量系数

MMMMMM普通钢管加厚钢管

4048.04.00lo0361.030

5060o05.()01.0361.028

6575.55.251.0341.028

80