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美标与国标管道壁厚对照表

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美标与国标管道壁厚对照表

美标（ASME标准）和国标（GB标准）在管道壁厚方面有一些差异，因此制定对照表时需要考虑不同标准之间的等效关系。以下是一个简化的美标与国标管道壁厚对照表的示例，供参考：

美标（ASME标准） 国标（GB标准）

SCH 5S 0.049英寸

SCH 10S 0.065英寸

SCH 40S 0.088英寸

SCH 80S 0.119英寸

SCH 160 0.218英寸

STD 3mm

XS 4mm

XXS 6mm

需要注意的是，美标和国标使用不同的单位，美标通常使用英寸（inch），而国标通常使用毫米（mm）。在对照表中，将美标的管道壁厚以英寸为单位，与国标的管道壁厚以毫米为单位进行了简单的对照。

此表格是一个概念性的对照表，实际应用时需要更详细的参考相关标准文件，以确保准确的对照。管道壁厚对照表的编制应该根据具体的项目和要求，确保所使用的材料和规格符合相关标准和法规的要求。建议在实际工程中寻求专业工程师的帮助，以确保管道设计和施工的合规性和安全性。

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美标无缝钢管壁厚等级对照表

美标无缝钢管壁厚等级对照表

创作时间：二零二一年六月三十日

创作时间：二零二一年六月三十日 美标无缝钢管壁厚品级对比表（GB标准）之南宫帮珍创作

创作时间：二零二一年六月三十日

公

称

直

径

DN 外径(D) 美标无缝钢管公称壁厚

A系列 B系列 Sch

5s Sch

10s Sch

20s LG Sch

20 Sch

30 STD Sch

40 Sch

60 XS Sch

80 Sch

100 Sch

120 Sch

140 Sch

180

15

20

25

18

25

32

-

-

- -

-

- -

-

- -

-

-

-

-

- -

-

-

-

-

- -

-

- -

-

-

32

40

50

38

45

57

-

-

- -

-

-

-

- -

-

-

-

-

- -

-

-

-

-

- -

-

- -

-

-

65

80

90

76

89

-

-

-

-

-

-

- -

-

-

-

-

- -

-

-

-

-

- -

-

- -

-

-

100

125

150

108

133

159

-

-

-

-

-

- -

-

-

-

-

- -

-

-

-

-

-

-

-

-

200

250

300

219

273

325

-

-

-

-

-

-

-

-

-

350

400

450

500

550

600

559

610 377

426

478

529

-

630

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

650

700

750 660

711

762 -

720

- -

-

- -

-

- -

-

-

-

-

- -

-

-

-

-

- -

-

-

-

-

- -

-

- -

-

- -

-

- -

-

-

800

850

900 813

864

914 820

SCH系列通径壁厚对照表(美标版ANSIASME_B36.10M、B36.19M)

SCH系列通径壁厚对照表(美标版ANSIASME_B36.10M、B36.19M)

壁厚表Wall Thicknesses Schedule

ANSI/ASME B36.10M、B36.19M

公称通径

Norminal Pipe Size DN(in.) 外径

Outside Diameter

D 公称壁厚T

Norminal Wall Thickness

sch5s sch10s sch10 sch20 sch30 sch40s STD sch40 sch60 sch80s XS sch80 sch100 sch120 sch140 sch160 XXS

1/8 10.3 --- 1.24 --- --- --- 1.73 1.73 1.73 --- 2.41 2.41 2.41 --- --- --- --- ---

1/4 13.7 --- 1.65 --- --- --- 2.24 2.24 2.24 --- 3.02 3.02 3.02 --- --- --- --- ---

3/8 17.1 --- 1.65 --- --- --- 2.31 2.31 2.31 --- 3.2 3.2 3.2 --- --- --- --- ---

1/2 21.3 1.65 2.11 --- --- --- 2.77 2.77 2.77 --- 3.73 3.73 3.73 --- --- --- 4.78 7.47

3/4 26.7 1.65 2.11 --- --- --- 2.87 2.87 2.87 --- 3.91 3.91 3.91 --- --- --- 5.56 7.82

1 33.4 1.65 2.77 --- --- --- 3.38 3.38 3.38 --- 4.55 4.55 4.55 --- --- --- 6.35 9.09

1¼ 42.2 1.65 2.77 --- --- --- 3.56 3.56 3.56 --- 4.85 4.85 4.85 --- --- --- 6.35 9.7

美标无缝钢管壁厚等级对照表 2

美标无缝钢管壁厚等级对照表 2

令狐采学创作

令狐采学创作 美标无缝钢管壁厚等级对照表（GB标准）

令狐采学

公

称

直

径

DN 外径(D) 美标无缝钢管公称壁厚

A系列 B系列 Sch

5s Sch

10s Sch

20s LG Sch

20 Sch

30 STD Sch

40 Sch

60 XS Sch

80 Sch

100 Sch

120 Sch

140 Sch

180

15

20

25 21.3

26.9

33.7 18

25

32 1.6

1.6

1.6 2.1

2.1

2.8 2.6

2.6

3.2 -

-

- -

-

- -

-

- -

-

- 2.9

2.9

3.2 -

-

- -

-

- 3.6

4.0

4.5 -

-

- -

-

- -

-

- 4.5

5.6

6.3

32

40

50 42.4

48.3

60.3 38

45

57 1.6

1.6

1.6 2.8

2.8

2.8 3.2

3.2

3.6 -

-

- -

-

3.2 -

-

- -

-

- 3.6

3.6

4.0 -

-

- -

-

- 5.0

5.0

5.6 -

-

- -

-

- -

-

- 6.3

7.1

8.8

65

80

90 76.1

88.9

101.6 76

89

- 2.0

2.0

2.0 3.0

3.0

3.0 3.6

4.0

4.0 -

-

- 4.5

4.5

4.5 -

-

- -

-

- 5.0

5.6

5.6 -

-

- -

-

- 7.1

8.0

8.0 -

-

- -

-

- -

-

- 10.0

11.0

12.5

100

125

150 114.3

139.7

168.3 108

133

159 2.0

2.9

2.9 3.0

3.4

3.4 4.0

5.0

5.0 -

-

- 5.0

5.0

5.6 -

-

- -

-

- 5.9

6.3

7.1 -

-

- -

-

- 8.8

10.0

11.0 -

美标管道壁厚表

美标管道壁厚表

ABASMESCH10SCH20SCH30STDSCH40SCH60XSSCH80SCH100SCH120SCH140SCH160XXS151/2"21.32.112.412.772.773.73.734.787.47203/4"26.72.112.412.872.873.93.915.567.82251"33.42.772.93.383.384.64.556.359.09321.1/4"42.22.772.973.563.564.94.856.359.7401.1/2"48.32.773.183.683.685.15.087.1410.2502"60.32.773.183.913.915.55.548.7411.1652.1/2"733.054.785.165.1677.019.5314803"88.93.054.785.495.497.67.6211.1315.3903.1/2"101.63.054.785.745.748.18.081004"114.33.054.786.026.028.68.5611.1313.4917.11255"141.33.46.556.559.59.5312.715.8819.11506"168.33.47.117.111110.9714.2718.26222008"219.13.766.357.048.188.1810.311312.715.0918.2620.6223.0122.225010"2734.196.357.89.279.2712.71315.0918.2621.4425.428.5825.430012"323.84.576.358.389.5310.3114.271317.4821.4425.428.5833.3225.435014"355.66.357.929.539.5311.1315.091319.0523.8327.7931.7535.7140016"406.46.357.929.539.5312.716.661321.4426.1930.9636.5340.1945018"457.26.357.9211.139.5314.2719.051323.8339.3634.9339.6745.2450020"5086.359.5312.79.5315.0920.621326.1932.5438.144.4550.0155022"558.86.359.5312.79.5322.231328.5834.9341.2847.6353.9860024"609.66.359.5314.279.5317.4824.611330.9638.8946.0252.3759.5465026"660.47.9212.79.531370028"711.27.9212.715.889.5313 NOMINAL PIPE SIZEOUTSIDEDIAMETERNOMINAL WALL THICKNESS美标管道壁厚表ABASMESCH10SCH20SCH30STDSCH40SCH60XSSCH80SCH100SCH120SCH140SCH160XXS NOMINAL PIPE SIZEOUTSIDEDIAMETERNOMINAL WALL THICKNESS75030"7627.9212.715.889.531380032"812.87.9212.715.889.5317.481385034"863.67.9212.715.889.5317.481390036"914.47.9212.715.889.5319.051395038"965.29.5313100040"10169.5313105042"1066.89.5313110044"1117.69.5313115046"1168.49.5313120048"1219.29.5313