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Dimensions and Nominal Mass of Steel Tubes

Excel sheet to calculate TOLERANCES ON THICKNESS AND MASS based on IS-3589 STEEL PIPES FOR WATER AND SEWAGE DIMENSIONS AND NOMINAL MASS OF STEEL TUBES

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Saravanan Silamban
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73 views9 pages

Dimensions and Nominal Mass of Steel Tubes

Excel sheet to calculate TOLERANCES ON THICKNESS AND MASS based on IS-3589 STEEL PIPES FOR WATER AND SEWAGE DIMENSIONS AND NOMINAL MASS OF STEEL TUBES

Uploaded by

Saravanan Silamban
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as XLSX, PDF, TXT or read online on Scribd
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Indian Standard IS: 3589

STEEL PIPES FOR WATER AND SEWAGE


DIMENSIONS AND NOMINAL MASS OF STEEL TUBES

OUTSIDE
DIAMETER

THICKNESS

MASS

MM

MM

KG/M

219.1

2.6
3.6
4.5
6.3

13.9
19.1
23.8
33.1

CHEMICAL COMPOSITION ( LANDLE ANALYSIS)


PERCENT, MAX
CARBON

MANGANESE

SULPHUR

PHOSPHORUS

0.200

1.300

0.040

0.040

TOLERANCES ON THICKNESS AND MASS


A] THICKNESS
1) Welded Tubes :
ERW PIPES

10 %

B] MASS
1) The tolerance on mas per
cart load of 10 tonnes or
above

7.5 %
theretical mass of tubes

B] OVALITY
1) Ovality shall not exceed 1 percent of the specified outside
diameter for pipes having diameter to thickness ratio
not exceeding 100.

TEST ON TUBES :
STRAIGHTNESS :
Finished pipe shall not deviate from straightness by more
than 0.2 Percent of the total length .
FLATTENING TEST :
1] The test shall be made on a ring sample not less than 40 mm in length.
2] No crack /fracture in the weld to be observed until the distance between the
plates is less than 75 % outside diameter of the pipe.
3] No crack /fracture in the metal to be observed until the distance between the

plates is less than 60 % outside diameter of the pipe.

HYDROSTATIC TEST :
The hydraulic test pressure shall be the pressure calculated as per
the following formula.
2ST
P=
D
The hydraulic test pressure shall be applied for 5 Second.
and shall not show any leakage in the pipe.
MECHANICAL PROPERTIES :Steel
Grade

Method

Min. Tensile
Strength Mpa

Fe 330

ERW

330

Fe 410

ERW

330

BEAD HEIGHT :
The maximum bead height on the internal surface of the pipe shall
not exceed 60 % of nominal wall thickness.

ND MASS

on the nominal
eretical mass of tubes

e specified outside
hickness ratio

aightness by more

e not less than 40 mm in length.

erved until the distance between the


ter of the pipe.

served until the distance between the

er of the pipe.

pressure calculated as per

plied for 5 Second.

Min. Yield Stress


Mpa

Min. Elongation
Percent

195

20

235

18

nal surface of the pipe shall

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