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1½ inch Pipe Weight (40 NB)

A 1½ inch (40 NB) MS / GI pipe has an outside diameter of 48.3 mm. In medium class it weighs about 3.56 kg per meter, or 21.4 kg for a 6 m length.

1½ inch Pipe Weight Calculator

All results are in kg.

–Weight of 1 piece
–Total weight
–Weight per meter
–Weight per foot
–Total in tonnes
–Total in pounds
–Paint / galvanizing area
–Estimated cost

1½ inch Pipe Weight Chart (IS 1239)

ClassWall thicknesskg per mPer 6 mPer 20 ft
Light (A)2.9 mm3.2519.519.8
Medium (B)3.2 mm3.5621.421.7
Heavy (C)4.0 mm4.3726.226.6

Weights calculated for plain-end black pipe with steel density 7.85. GI (galvanised) pipe weighs about the same; the zinc coating adds roughly 3–5%. Screwed and socketed pipe is slightly heavier.

1½ inch Pipe Weight by Quantity (Medium, 6 m)

PiecesWeight
121.4 kg
10213.5 kg
25533.8 kg
501,067.7 kg
1002,135.4 kg

One tonne of 1½ inch medium pipe is about 47 pieces of 6 m.

How to Calculate

Weight (kg/m) = (OD − t) × t × 0.02466 = (48.3 − 3.2) × 3.2 × 0.02466 = 3.559 kg/m

Frequently Asked Questions

What is the weight of a 1½ inch MS pipe per meter?

A 1½ inch (40 NB) MS pipe weighs about 3.25 kg/m in light, 3.56 kg/m in medium and 4.37 kg/m in heavy class.

What is the weight of a 6 m 1½ inch pipe?

A 6 m length weighs about 19.5 kg (light), 21.4 kg (medium) or 26.2 kg (heavy).

What is the weight of a 1½ inch GI pipe?

A 1½ inch GI pipe weighs about the same as MS pipe, around 3.56 kg per meter in medium class, plus about 3–5% for the zinc coating.

What is the outside diameter of a 1½ inch pipe?

A 1½ inch (40 NB) pipe has an outside diameter of 48.3 mm as per IS 1239.

What is the thickness of a 1½ inch pipe?

Under IS 1239, a 1½ inch pipe is 2.9 mm thick in light class, 3.2 mm in medium and 4.0 mm in heavy.

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