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ASME B16.9Butt weld fittingsTG-DS-093 · Rev. 0 · October 2026

ASME B16.9 Reducer Weight Chart (kg)

This chart gives approximate ASME B16.9 reducer weights in kilograms by large-end size and wall schedule, SCH 10S to SCH 80. Concentric and eccentric reducers of the same size have the same length and almost the same weight.

Teshi Group manufactures these fittings in India in carbon, low-temperature, alloy, stainless, duplex and nickel-alloy grades, with EN 10204 3.1 certificates.

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Key to dimensions

kg
Approximate weight per piece by wall schedule or class

ASME B16.9 Reducer Weight Chart (kg) — tables

Concentric / eccentric reducer — weight by schedule (kg)

Concentric / eccentric reducer — weight by schedule (kg)
NPSDNSCH10SkgSCH20kgSTDkgSCH40kgXSkgSCH80kg
3/4"200.05—0.080.080.10.1
1"250.1—0.170.170.20.2
1 1/4"320.13—0.210.210.250.25
1 1/2"400.2—0.290.290.350.35
2"500.28—0.420.420.580.58
2 1/2"650.45—0.80.81.031.03
3"800.55—1.051.051.421.42
3 1/2"900.74—1.361.361.891.89
4"1000.84—1.631.632.272.27
5"1251.38—2.772.773.933.93
6"1501.85—3.963.965.955.95
8"2002.8—6.316.319.269.26
10"2504.67.8510.710.714.517.5
12"300711.215.816.320.925.1
14"3501425.628.832.137.156.5
16"40017.530.538.548.848.879
18"45021.535.244.564.358.5102
20"5003662.762.798.580.4165
22"5503872.672.6—93.8181
24"60047.597.179.1142101226
26"650—13099.9—130—
28"700—142110—142—
30"75085152119—152—
32"800—151125208151—
34"850—171132231171—
36"900—180140262180—
38"950——148—194—
40"1000——156—203—
42"1050——178—235—
44"1100——189—244—
46"1150——199—257—
48"1200——210—269—
52"1300——223———
56"1400——241———
60"1500——258———

Notes

  • Weights are approximate net weights per piece in kg for carbon steel, for estimation, freight and packing only. For austenitic stainless steel multiply by about 1.01–1.02.
  • Reference values for estimation and checking. Verify against the current edition of the standard and the purchase specification before design, purchase or fabrication.

Reference information compiled from the published standard for convenience. It does not replace the current edition of the governing standard, which takes precedence. Verify critical dimensions and properties before design, purchase or fabrication. Teshi Engineers & Sales Promoters (P) Ltd accepts no liability for errors or omissions.

FAQ

ASME B16.9 Reducer Weight Chart (kg): common questions

Do concentric and eccentric reducers weigh the same?

Very nearly — they have the same length and wall, so use the same figure for estimation.

Which size is listed?

Weights are listed against the large-end size; the small-end size changes the weight only slightly.

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