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TIÊU CHUẨN QUỐC TẾ VỀ QUY CÁCH ỐNG, ĐƯỜNG ỐNG CÔNG NGHIỆP (SCH)

ĐƯỜNG KÍNH, ĐỘ DẦY QUY CÁCH ỐNG SCH40, SCH60, SCH80, SCH100, SCH120, SCH140, SCH160, XTD, XS, XXS....

Pipe SizeOutside DiameterIdentificationWall ThicknessInside Diameter
(inches)(inches)(MM)Carbon Steel

Stainless Steel
Sch No.

- t -- t -- d -- d -
   Iron Pipe SizeSch(inches)(mm)(inches)(mm)

1/8

0.405

10.3

..10S0.0491.240.317.8
STD4040S0.0681.730.276.83
XS8080S0.0952.410.225.46

1/4

0.54

13.7

..10S0.0651.650.4110.41
STD4040S0.0882.240.369.25
XS8080S0.1193.020.37.67

3/8

0.675

17.1

..10S0.0651.650.5513.84
STD4040S0.0912.310.4912.52
XS8080S0.1263.20.4210.74

1/2

0.84

21.3

..5S0.0651.650.7118.03
..10S0.0832.110.6717.12
STD4040S0.1092.770.6215.8
XS8080S0.1473.730.5513.87
.160.0.1874.750.4711.84
XXS..0.2947.470.256.4

3/4

1.05

26.7

..5S0.0651.650.9223.37
..10S0.0832.110.8822.45
STD4040S0.1132.870.8220.93
XS8080S0.1543.910.7418.85
.160.0.2195.560.6115.54
XXS..0.3087.820.4311.02

1

1.315

33.4

..5S0.0651.651.1930.1
..10S0.1092.771.127.86
STD4040S0.1333.381.0526.64
XS8080S0.1794.550.9624.31
.160.0.256.350.8220.7
XXS..0.3589.090.615.21

1 1/4

1.66

42.2

..5S0.0651.651.5338.86
..10S0.1092.771.4436.63
STD4040S0.143.561.3835.05
XS8080S0.1914.851.2832.46
.160.0.256.351.1629.46
XXS..0.3829.70.922.76

1 1/2

1.9

48.3

..5S0.0651.651.7744.96
..10S0.1092.771.6842.72
STD4040S0.1453.681.6140.89
XS8080S0.25.081.538.1
.160.0.2817.141.3433.99
XXS..0.410.161.127.94

2

2.375

60.3

..5S0.0651.652.2557.02
..10S0.1092.772.1654.79
STD4040S0.1543.912.0752.5
XS8080S0.2185.541.9449.25
.160.0.3448.741.6942.85
XXS..0.43611.071.538.18

2 1/2

2.875

73

..5S0.0832.112.7168.81
..10S0.123.052.6466.93
STD4040S0.2035.162.4762.71
XS8080S0.2767.012.3259
.160.0.3759.532.1353.98
XXS..0.55214.021.7744.98

3

3.5

88.9

..5S0.0832.113.3384.68
..10S0.123.053.2682.8
STD4040S0.2165.493.0777.93
XS8080S0.37.622.973.66
.160.0.43811.132.6266.65
XXS..0.615.242.358.42

3 1/2

4

101.6

..5S0.0832.113.8397.38
..10S0.123.053.7695.5
STD4040S0.2265.743.5590.12
XS8080S0.3188.083.3685.45

4

4.5

114.3

..5S0.0832.114.33110.08
..10S0.123.054.26108.2
STD4040S0.2376.024.03102.26
XS8080S0.3378.563.8397.18
.120.0.43811.133.6292.05
.160.0.53113.493.4487.33
XXS..0.67417.123.1580.06

5

5.563

141.3

..5S0.1092.775.35135.76
..10S0.1343.45.3134.49
STD4040S0.2586.555.05128.19
XS8080S0.3759.534.81122.25
.120.0.512.74.56115.9
.160.0.62515.884.31109.55
XXS..0.7519.054.06103.2

6

6.625

168.3

..5S0.1092.776.41162.74
..10S0.1343.46.36161.47
STD4040S0.287.116.07154.05
XS8080S0.43210.975.76146.33
.120.0.56214.275.5139.73
.160.0.71818.245.19131.8
XXS..0.86421.954.9124.38

8

8.625

219.1

..5S0.1092.778.41213.54
..10S0.1483.768.33211.56
.20.0.256.358.13206.38
.30.0.2777.048.07205
STD4040S0.3228.187.98202.72
.60.0.40610.317.81198.45
XS8080S0.512.77.63193.68
.100.0.59415.097.44188.9
.120.0.71918.267.19182.55
.140.0.81220.627177.83
XXS..0.87522.236.88174.63
.160.0.90623.016.81173.05

10

10.75

273.1

..5S0.1343.410.48266.24
..10S0.1654.1910.42264.67
.20.0.256.3510.25260.35
.30.0.3077.810.14257.45
STD4040S0.3659.2710.02254.51
XS6080S0.512.79.75247.65
.80.0.59415.099.56242.87
.100.0.71918.269.31236.52
.120.0.84421.449.06230.17
.140.125.48.75222.25
.160.1.12528.588.5215.9

12

12.75

323.9

..5S0.1563.9612.44315.93
..10S0.184.5712.39314.71
.20.0.256.3512.25311.15
.30.0.338.3812.09307.09
STD.40S0.3759.5312304.8
.40.0.40610.3111.94303.23
XS.80S0.512.711.75298.45
.60.0.56214.2711.63295.3
.80.0.68817.4811.37288.9
.100.0.84421.4411.06280.97
.120.125.410.75273.05
.140.1.12528.5810.5266.7
.160.1.31233.3210.13257.2

14

14

355.6

..5S0.1563.9613.69347.68
..10S0.1884.7813.62346.05
.10.0.256.3513.5342.9
.20.0.3127.9213.38339.75
STD30.0.3759.5313.25336.55
.40.0.43811.1313.12333.35
XS..0.512.713330.2
.60.0.59415.0912.81325.42
.80.0.7519.0512.5317.5
.100.0.93823.8312.12307.95
.120.1.09427.7911.81300.02
.140.1.2531.7511.5292.1
..160.1.40635.7111.19284.18

16

16

406.4

..5S0.1654.1915.67398.02
..10S0.1884.7815.62396.85
.10.0.256.3515.5393.7
.20.0.3127.9215.38390.55
STD30.0.3759.5315.25387.35
XS40.0.512.715381
.60.0.65616.6614.69373.08
.80.0.84421.4414.31363.52
.100.1.03126.1913.94354.03
.120.1.21930.9613.56344.47
.140.1.43836.5313.12333.35
.160.1.59440.4912.81325.42

18

18

457.2

..5S0.1654.1917.67448.82
..10S0.1884.7817.6247.65
.10.0.256.3517.5444.5
.20.0.3127.9217.38441.35
STD..0.3759.5317.25438.15
.30.0.43811.1317.12434.95
XS..0.512.717431.8
.40.0.56214.2716.88428.65
.60.0.7519.0516.5419.1
.80.0.93823.8316.12409.55
.100.1.15629.3615.69398.48
.120.1.37534.9315.25387.35
.140.1.56239.6714.88377.85
.160.1.78145.2414.44366.73