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Tolerance of cold drawn /rolled precision seamless steel pipe
Dec 13, 2017

 


Size of ID

I.D Tolerance

Tolerance of wall thickness

H8

H9

H10

>30

+0.0030

+0.0520

+0.0840

<120mm(OD)±5%

120mm up to 210mm±7.5%

>210mm ±10%

>30-50

+0.0390

+0.0620

+0.1000

>50-80

+0.0460

+0.0740

+0.1200

>80-120

+0.0540

+0.0870

+0.1400

>120-180

+0.0630

+0.0100

+0.1600

>180-250

+0.0720

+0.1150

+0.1850

>250-315

+0.0810

+0.1300

+0.2100

>315-400

+0.0890

+0.1400

+0.2300



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