Hex Bars Essential Guide for Industrial Applications and Strength Performance
February 2, 2026
Sheets and Plates Weight Chart: Complete Guide for Accurate Metal Weight Calculation
February 3, 2026
In dealing with pipelines with regard to fittings, it is as vital to know the weight of the fittings to be used as it is to know their size and grade. Elbows, tees, reducer and couplings are pipe fittings that are important in the piping system and their weight is a direct influence to the cost of transporting, planning the installation and the project budgeting. A Pipe Fittings Weight Chart is a tool that can enable engineers, buyers and contractors to save time and resources when estimating the material requirement and prevent mistakes that are costly on site.
This blog states the reasons why the weight charts are important, how to read them properly, and gives detailed tables that are handy in everyday industrial work.
Why Pipe Fittings Weight Chart Is Important
The weight of pipe fittings is determined by the size, wall thickness and grade of material used as well as manufacturing standard. A Pipe Fitting Weight Chart in Kg can be used by buyers to gain the total load to be shipped and lifted, and engineers to design structures and pipe supports. The lack of appropriate weight data can cause delays, safety hazards, or additional expenses to the project.
The weight charts are also useful when comparing the materials. As an illustration, carbon steel fittings will weigh lighter than alloy steel fittings of the same size with stainless steel fittings possibly weighing a little more depending on the grade.
Understanding Pipe Fittings Weight Chart in MM
The majority of industries operate based on the metric dimensions, and it is very convenient to use the Pipe Fittings Weight Chart in MM. Measures are given in millimeters and nominal pipe size (NPS). The fitting type, size, thickness, and approximate weight per piece are normally listed in the chart. Those values are the average values of standard, and can be slightly different depending on the manufacturer.
Pipe Fittings Weight Chart (Size-Wise in Kg)
| DN | NPS | OD (MM) | 90° Elbow Long (Kg) | 90° Elbow Short (Kg) | 45° Elbow Long (Kg) | Cap (Kg) | Reducer Long (Kg) | Reducer Short (Kg) | Stub End Long (Kg) | Stub End Short (Kg) | Return (Kg) |
| 15 | ½ | 21.3 | 0.20 | 0.16 | 0.12 | 0.10 | 0.14 | 0.11 | 0.18 | 0.14 | 0.22 |
| 20 | ¾ | 26.7 | 0.32 | 0.26 | 0.20 | 0.18 | 0.24 | 0.20 | 0.30 | 0.25 | 0.35 |
| 25 | 1 | 33.4 | 0.50 | 0.40 | 0.32 | 0.30 | 0.38 | 0.32 | 0.48 | 0.40 | 0.55 |
| 32 | 1¼ | 42.2 | 0.75 | 0.60 | 0.48 | 0.45 | 0.58 | 0.50 | 0.72 | 0.62 | 0.85 |
| 40 | 1½ | 48.3 | 0.95 | 0.75 | 0.60 | 0.58 | 0.78 | 0.65 | 0.92 | 0.78 | 1.05 |
| 50 | 2 | 60.3 | 1.35 | 1.10 | 0.90 | 0.85 | 1.10 | 0.95 | 1.30 | 1.10 | 1.50 |
| 65 | 2½ | 73.0 | 2.20 | 1.80 | 1.45 | 1.30 | 1.70 | 1.45 | 2.10 | 1.80 | 2.40 |
| 80 | 3 | 88.9 | 3.80 | 3.10 | 2.50 | 2.30 | 2.90 | 2.50 | 3.60 | 3.10 | 4.10 |
| 90 | 3½ | 101.6 | 4.80 | 3.90 | 3.10 | 2.90 | 3.80 | 3.30 | 4.60 | 3.90 | 5.20 |
| 100 | 4 | 114.3 | 5.60 | 4.60 | 3.80 | 3.50 | 4.60 | 3.90 | 5.40 | 4.60 | 6.10 |
| 125 | 5 | 141.3 | 9.80 | 8.10 | 6.50 | 6.00 | 7.60 | 6.50 | 9.50 | 8.10 | 10.60 |
| 150 | 6 | 168.3 | 14.50 | 12.00 | 9.80 | 9.10 | 11.40 | 9.80 | 14.00 | 12.00 | 15.80 |
| 200 | 8 | 219.1 | 28.00 | 23.50 | 19.00 | 17.50 | 22.50 | 19.50 | 27.00 | 23.50 | 30.50 |
| 250 | 10 | 273.0 | 45.00 | 38.00 | 31.00 | 29.00 | 36.50 | 31.50 | 43.50 | 38.00 | 48.00 |
| 300 | 12 | 323.8 | 65.00 | 55.00 | 45.00 | 42.00 | 52.00 | 45.00 | 63.00 | 55.00 | 70.00 |
| 350 | 14 | 355.6 | 92.00 | 78.00 | 64.00 | 60.00 | 74.00 | 64.00 | 90.00 | 78.00 | 98.00 |
| 400 | 16 | 406.4 | 125.00 | 106.00 | 88.00 | 82.00 | 102.00 | 88.00 | 122.00 | 106.00 | 135.00 |
| 450 | 18 | 457.0 | 165.00 | 140.00 | 116.00 | 108.00 | 134.00 | 116.00 | 160.00 | 140.00 | 178.00 |
| 500 | 20 | 508.0 | 210.00 | 178.00 | 148.00 | 138.00 | 172.00 | 148.00 | 205.00 | 178.00 | 225.00 |
| 600 | 24 | 610.0 | 320.00 | 272.00 | 226.00 | 210.00 | 260.00 | 226.00 | 315.00 | 272.00 | 340.00 |
Pipe Size Wall Thickness Chart (Schedule Wise)
| Pipe Size (Inches) | WT – Sch 40 (Inches) | WT – Sch 80 (Inches) | WT – Sch 160 (Inches) |
| 1/2″ | 0.109″ | 0.147″ | 0.218″ |
| 3/4″ | 0.113″ | 0.154″ | 0.250″ |
| 1″ | 0.140″ | 0.179″ | 0.300″ |
| 1-1/4″ | 0.140″ | 0.191″ | 0.337″ |
| 1-1/2″ | 0.145″ | 0.200″ | 0.350″ |
| 2″ | 0.154″ | 0.218″ | 0.375″ |
| 2-1/2″ | 0.203″ | 0.276″ | 0.400″ |
| 3″ | 0.216″ | 0.300″ | 0.450″ |
| 4″ | 0.237″ | 0.337″ | 0.500″ |
| 5″ | 0.258″ | 0.375″ | 0.562″ |
| 6″ | 0.280″ | 0.432″ | 0.625″ |
| 8″ | 0.322″ | 0.500″ | 0.750″ |
| 10″ | 0.365″ | 0.500″ | 0.875″ |
| 12″ | 0.406″ | 0.562″ | 1.000″ |
| 14″ | 0.437″ | 0.625″ | 1.125″ |
| 16″ | 0.500″ | 0.750″ | 1.250″ |
| 18″ | 0.562″ | 0.812″ | 1.375″ |
| 20″ | 0.593″ | 0.875″ | 1.500″ |
| 24″ | 0.687″ | 1.000″ | 1.750″ |
Pipe Fittings – Chemical Composition Table
| Grade | Manganese (Mn) | Silicon (Si) | Sulfur (S) | Carbon (C) | Nickel (Ni) | Phosphorus (P) | Chromium (Cr) |
| WP 304 | 2.00 max | 0.75 max | 0.030 max | 0.08 max | 8.00 – 11.00 | 0.045 max | 18.00 – 20.00 |
| WP 304L | 2.00 max | 0.75 max | 0.030 max | 0.035 max | 8.00 – 13.00 | 0.045 max | 18.00 – 20.00 |
| WP 304H | 2.00 max | 0.75 max | 0.030 max | 0.04 – 0.10 | 8.00 – 11.00 | 0.045 max | 18.00 – 20.00 |
| WP 316 | 2.00 max | 0.75 max | 0.030 max | 0.08 max | 10.00 – 14.00 | 0.045 max | 16.00 – 18.00 |
| WP 316L | 2.00 max | 0.75 max | 0.030 max | 0.035 max | 10.00 – 15.00 | 0.045 max | 16.00 – 18.00 |
| WP 316H | 2.00 max | 0.75 max | 0.030 max | 0.04 – 0.10 | 10.00 – 14.00 | 0.045 max | 16.00 – 18.00 |
| WP 317 | 2.00 max | 0.75 max | 0.030 max | 0.08 max | 11.00 – 14.00 | 0.045 max | 18.00 – 20.00 |
| WP 321 | 2.00 max | 0.75 max | 0.030 max | 0.08 max | 9.00 – 13.00 | 0.045 max | 17.00 – 20.00 |
| WP 347 | 2.00 max | 0.75 max | 0.030 max | 0.08 max | 9.00 – 13.00 | 0.045 max | 17.00 – 20.00 |
| WP 310 | 2.00 max | 0.75 max | 0.030 max | 0.15 max | 19.00 – 22.00 | 0.045 max | 24.00 – 26.00 |
Pipe Fittings – Physical Properties by Grade
| Grades | Density (g/cm³) | Melting Point (°C) | Thermal Conductivity (W/m·K) | Electrical Resistivity (µΩ·cm) | Coefficient of Thermal Expansion (µm/m·°C) |
| SS 304 Pipe Fittings | 7.93 | 1400 – 1450 | 16.2 | 72.0 | 17.2 |
| SS 304L Pipe Fittings | 7.93 | 1400 – 1450 | 16.2 | 72.3 | 16.0 |
| SS 304H Pipe Fittings | 7.93 | 1400 – 1450 | 16.2 | 72.3 | 16.0 |
| SS 310 Pipe Fittings | 7.90 | 1400 – 1450 | 14.0 | 72.0 | 17.0 |
| SS 310S Pipe Fittings | 7.90 | 1400 – 1450 | 14.0 | 72.0 | 17.0 |
| SS 316 Pipe Fittings | 7.98 | 1375 – 1400 | 16.3 | 74.0 | 16.5 |
| SS 316L Pipe Fittings | 7.98 | 1375 – 1400 | 16.3 | 74.0 | 16.5 |
| SS 316Ti Pipe Fittings | 7.98 | 1375 – 1400 | 16.3 | 74.0 | 16.5 |
| SS 317 Pipe Fittings | 7.95 | 1375 – 1400 | 16.3 | 74.5 | 16.5 |
| SS 317L Pipe Fittings | 7.95 | 1375 – 1400 | 16.3 | 74.5 | 16.5 |
| SS 321 Pipe Fittings | 7.93 | 1400 – 1450 | 16.2 | 74.0 | 16.0 |
| SS 321H Pipe Fittings | 7.93 | 1400 – 1450 | 16.2 | 74.0 | 16.0 |
| SS 347 Pipe Fittings | 7.93 | 1400 – 1450 | 16.2 | 74.0 | 16.0 |
| SS 410 Pipe Fittings | 7.75 | 1480 – 1530 | 30.0 | 78.0 | 11.5 |
| SS 446 Pipe Fittings | 7.80 | 1400 – 1450 | 30.0 | 76.0 | 11.5 |
| SS 904L Pipe Fittings | 8.00 | 1350 – 1400 | 15.0 | 70.0 | 16.0 |
Final Thoughts
An effective Pipe Fittings Weight Chart is a very important reference guide in the piping work of any magnitude. It makes estimation of the materials easier, planning more accurate and prevents any unexpected costs. Although charts give standard weight, final values should always be verified with a supplier, particularly when it is used in a critical application or where a special specification is needed.
The intelligent use of weight charts guarantees the implementation process, improved safety, and intelligent buying choices in a variety of industries, such as oil and gas, electrical power plants, chemical processing, and construction.