Stainless Steel Pipe Weight Chart
Stainless Steel Pipe Weight Chart
We presents a complete stainless steel pipe weight chart covering every standard schedule, size, and grade used in industrial piping. This chart shows stainless steel pipe weight per meter and per foot for Schedule 5S, 10S, 40S, and 80S, along with a separate comparison for SS 304 and SS 316 grades. Pipe weight is calculated from the outside diameter (OD) and wall thickness (WT), and it changes with every schedule and grade combination — a 2″ Schedule 40S pipe is not the same weight as a 2″ Schedule 80S pipe, even though the outside diameter stays the same. This chart also includes the exact formula used to calculate weight for any custom or non-listed size, so you’re not limited to standard tables. Whether you need stainless steel pipe weight in kg/m, lb/ft, or a direct comparison across schedules, every table below is arranged by nominal pipe size (NB) for quick reference.
What is Stainless Steel Pipe Weight Chart?
A stainless steel pipe weight chart is a reference table that lists the weight of a pipe based on three things: its nominal size, its wall thickness, and its schedule. Instead of calculating each pipe by hand, you look up the size you need and read the weight straight off the table.
These charts usually cover:
- Seamless stainless steel pipes
- ERW (Electric Resistance Welded) pipes
- EFW (Electric Fusion Welded) pipes, used for larger diameters
- Schedules 5S, 10S, 40S, and 80S
- Grades such as SS 304, 304L, 316, and 316L
The weight always comes from two dimensions: outside diameter (OD) and wall thickness (WT). Once you know these two, you can find or calculate the weight for almost any size.
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Why This Chart Actually Matters
A weight chart looks simple, but it affects several decisions on a project:
- Freight and shipping cost. Sea and road freight are often billed on weight or volume, whichever is higher. Knowing pipe weight in advance stops budget surprises.
- Container and truck loading. Every container and truck has a maximum load limit. Weight data tells you exactly how many pipes you can pack per shipment.
- Structural design. Engineers use pipe weight to size supports, hangers, brackets, and foundations. Getting this wrong means redoing structural calculations later.
- Accurate quotations. Since stainless steel pipe is priced per kg in most markets, an accurate weight figure is the only way to get a correct quote.
- Mill test certificate (MTC) checks. When your shipment arrives, you can compare the actual weight on the MTC against the chart value to confirm you got what you ordered.
Stainless Steel Pipe Weight Formula
For a quick calculation, use the following formulas:
Metric Formula
W (kg/m) = t × (D − t) × 0.02466
Where:
- W = approximate pipe weight in kg per metre
- D = outside diameter (OD) in mm
- t = wall thickness (WT) in mm
- 0.02466 = standard approximate constant for stainless steel based on a density of approximately 7.93 g/cm³
Imperial Formula
W (lb/ft) = t × (D − t) × 10.69
Where:
- W = approximate pipe weight in pounds per foot
- D = outside diameter (OD) in inches
- t = wall thickness (WT) in inches
The formulas provide an approximate theoretical weight. Actual supplied pipe weight may vary slightly because of manufacturing tolerances, material density, dimensional tolerances, and surface finish.
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Full ASME/ANSI B36.19 Stainless Steel Pipe Weight Chart (kg/m) — Schedule 5S to XXS
| NB (mm) | Size (in) | OD (mm) | Sch 5S Wt/kg | Sch 10S Wt/kg | Sch 40S Wt/kg | Sch 80S Wt/kg | Sch 160S Wt/kg | Sch XXS Wt/kg |
|---|---|---|---|---|---|---|---|---|
| 15 | 1/2 | 21.3 | 0.80 | 1.00 | 1.27 | 1.62 | 1.94 | 2.55 |
| 20 | 3/4 | 26.7 | 1.03 | 1.28 | 1.68 | 2.20 | 2.89 | 3.63 |
| 25 | 1 | 33.4 | 1.30 | 2.09 | 2.50 | 3.24 | 4.24 | 5.45 |
| 32 | 1 1/4 | 42.2 | 1.65 | 2.70 | 3.38 | 4.47 | 5.61 | 7.77 |
| 40 | 1 1/2 | 48.3 | 1.91 | 3.11 | 4.05 | 5.41 | 7.25 | 9.54 |
| 50 | 2 | 60.3 | 2.40 | 3.93 | 5.44 | 7.48 | 11.1 | 13.44 |
| 65 | 2 1/2 | 73.0 | 3.69 | 5.26 | 8.63 | 11.4 | 14.9 | 20.39 |
| 80 | 3 | 88.9 | 4.51 | 6.45 | 11.30 | 15.2 | 21.3 | 27.65 |
| 100 | 4 | 114.3 | 5.84 | 8.36 | 16.07 | 22.3 | 33.54 | 41.03 |
| 125 | 5 | 141.3 | 9.47 | 11.57 | 21.8 | 31.97 | 49.11 | 57.43 |
| 150 | 6 | 168.3 | 11.32 | 13.84 | 28.3 | 42.7 | 67.56 | 79.22 |
| 200 | 8 | 219.1 | 14.79 | 19.96 | 42.6 | 64.6 | 111.2 | 107.8 |
| 250 | 10 | 273.1 | 22.63 | 27.78 | 60.5 | 96.0 | 172.4 | 155.15 |
| 300 | 12 | 323.9 | 31.25 | 36.00 | 73.88 | 132.0 | 238.76 | 186.97 |
| 350 | 14 | 355.6 | 34.36 | 41.3 | 94.59 | 158.08 | 281.70 | — |
| 400 | 16 | 406.4 | 41.56 | 47.29 | 123.30 | 203.33 | 365.11 | — |
| 450 | 18 | 457.2 | 46.80 | 53.42 | 155.80 | 254.36 | 466.40 | — |
| 500 | 20 | 508.0 | 59.25 | 68.71 | 183.42 | 311.2 | 564.68 | — |
| 600 | 24 | 609.6 | 82.47 | 94.45 | 255.41 | 442.08 | 808.22 | — |
Source: ASME/ANSI B36.19M standard chart, Oshwin Overseas (ISO 9001:2015, PED 2014/68/EC certified).
Stainless Steel Pipe Weight Chart (lb/ft) — US Standard, Schedule 5S to 80S
| Size (in) | OD (in) | Sch 5S Wt | Sch 10S Wt | Sch 40S Wt | Sch 80S Wt |
|---|---|---|---|---|---|
| 1/8 | 0.405 | 0.14 | 0.19 | 0.25 | 0.32 |
| 1/4 | 0.540 | 0.26 | 0.33 | 0.43 | 0.54 |
| 3/8 | 0.675 | 0.35 | 0.43 | 0.57 | 0.75 |
| 1/2 | 0.840 | 0.54 | 0.68 | 0.86 | 1.10 |
| 3/4 | 1.050 | 0.69 | 0.87 | 1.14 | 1.49 |
| 1 | 1.315 | 0.88 | 1.42 | 1.69 | 2.19 |
| 1 1/4 | 1.660 | 1.12 | 1.82 | 2.29 | 3.02 |
| 1 1/2 | 1.900 | 1.29 | 2.10 | 2.74 | 3.67 |
| 2 | 2.375 | 1.62 | 2.66 | 3.69 | 5.07 |
| 2 1/2 | 2.875 | 2.50 | 3.56 | 5.85 | 7.66 |
| 3 | 3.500 | 3.06 | 4.37 | 7.65 | 10.25 |
| 3 1/2 | 4.000 | 3.50 | 5.02 | 9.19 | 12.51 |
| 4 | 4.500 | 3.95 | 5.67 | 10.89 | 14.98 |
| 5 | 5.563 | 6.41 | 7.84 | 14.75 | — |
| 6 | 6.625 | 7.66 | 9.38 | 19.15 | — |
| 8 | 8.625 | 10.01 | 13.52 | 28.83 | — |
| 10 | 10.750 | 15.33 | 18.83 | 40.86 | — |
| 12 | 12.750 | 21.18 | 24.39 | 50.03 | — |
Source: Merit Brass Company (ISO 9001:2015 registered), 2023 published weight chart.
Wall Thickness by Schedule (mm) — Quick Reference
| Size (in) | Sch 5S WT | Sch 10S WT | Sch 40S WT | Sch 80S WT | Sch 160S WT |
|---|---|---|---|---|---|
| 1/2 | 1.65 | 2.11 | 2.77 | 3.75 | 4.75 |
| 1 | 1.65 | 2.77 | 3.38 | 4.55 | 6.35 |
| 2 | 1.65 | 2.77 | 3.91 | 5.54 | 8.74 |
| 3 | 2.11 | 3.05 | 5.49 | 7.62 | 11.1 |
| 4 | 2.11 | 3.05 | 6.02 | 8.56 | 13.49 |
| 6 | 2.77 | 3.40 | 7.11 | 10.97 | 18.2 |
| 8 | 2.77 | 3.76 | 8.18 | 12.7 | 23.0 |
| 10 | 3.40 | 4.19 | 9.27 | 12.7 | 28.6 |
| 12 | 3.96 | 4.57 | 9.52 | 12.7 | 33.32 |
Source: same ASME B36.19M chart as Table 1.
Weight Comparison — Stainless Steel vs Specialty Alloy Pipe (Same Size)
| Material | Density (g/cm³) | Approx. Weight vs SS 304/316 |
|---|---|---|
| SS 304 / 316 (reference) | 8.00 | 1.00x |
| Duplex 2205 (UNS S32205) | 7.80 | 0.98x |
| Super Duplex S32750 / S32760 | 7.80 | 0.98x |
| Monel 400 | 8.80 | 1.10x |
| Inconel 625 | 8.44 | 1.06x |
| Hastelloy C276 | 8.89 | 1.11x |
| Copper Nickel 90/10 | 8.94 | 1.12x |
Source: Oshwin Overseas published alloy density chart — multipliers approximate, for early-stage estimation only.
Stainless Steel Square Pipe & Tubing Weight Chart (kg/m)
| Size (mm) | Thickness (mm) | Weight (kg/m) |
|---|---|---|
| 20 x 20 | 2 | 1.11 |
| 25 x 25 | 3 | 2.04 |
| 30 x 30 | 3 | 2.51 |
| 40 x 40 | 3 | 3.45 |
| 40 x 40 | 5 | 5.40 |
| 50 x 50 | 3 | 4.39 |
| 50 x 50 | 6 | 8.20 |
| 60 x 60 | 4 | 6.97 |
| 70 x 70 | 5 | 10.10 |
| 80 x 80 | 5 | 11.70 |
| 90 x 90 | 6 | 15.70 |
| 100 x 100 | 6 | 17.60 |
| 100 x 100 | 10 | 27.86 |
| 120 x 120 | 8 | 27.90 |
| 150 x 150 | 8 | 35.40 |
| 150 x 150 | 16 | 65.05 |
| 200 x 200 | 10 | 59.30 |
| 250 x 250 | 12 | 88.45 |
| 300 x 300 | 12 | 108.68 |
| 350 x 350 | 16 | 166.94 |
| 400 x 400 | 16 | 191.94 |
Source: Oshwin Overseas published square pipe/tube weight chart.
Stainless Steel Elliptical/Oval Tube — Standard Sizes by Grade
| Size (mm) | SS 304 (1.5mm) | SS 304 (2.0mm) | SS 316 (1.5mm) | SS 316 (2.0mm) |
|---|---|---|---|---|
| 21 x 16 | ✓ | — | ✓ | — |
| 32 x 16 | ✓ | ✓ | ✓ | ✓ |
| 49 x 24.5 | ✓ | ✓ | — | ✓ |
| 78 x 39 | ✓ | ✓ | ✓ | ✓ |
| 90 x 60 | — | ✓ | — | ✓ |
| 129 x 70 | — | ✓ | — | ✓ |
| 197 x 103 | — | ✓ | — | ✓ |
Source: Oshwin Overseas standard oval tube availability chart.
Stainless Steel Pipe Weight Chart – Schedule 40S (Full Size Range)
| NB Size | OD (mm) | OD (in) | WT (mm) | WT (in) | Weight (kg/m) | Weight (lb/ft) |
|---|---|---|---|---|---|---|
| 1/8" | 10.3 | 0.405 | 1.73 | 0.068 | 0.37 | 0.25 |
| 1/4" | 13.7 | 0.540 | 2.24 | 0.088 | 0.64 | 0.43 |
| 3/8" | 17.1 | 0.675 | 2.31 | 0.091 | 0.85 | 0.57 |
| 1/2" | 21.3 | 0.840 | 2.77 | 0.109 | 1.28 | 0.86 |
| 3/4" | 26.7 | 1.050 | 2.87 | 0.113 | 1.70 | 1.14 |
| 1" | 33.4 | 1.315 | 3.38 | 0.133 | 2.50 | 1.68 |
| 1 1/4" | 42.2 | 1.660 | 3.56 | 0.140 | 3.41 | 2.29 |
| 1 1/2" | 48.3 | 1.900 | 3.68 | 0.145 | 4.08 | 2.74 |
| 2" | 60.3 | 2.375 | 3.91 | 0.154 | 5.49 | 3.69 |
| 2 1/2" | 73.0 | 2.875 | 5.16 | 0.203 | 8.71 | 5.85 |
| 3" | 88.9 | 3.500 | 5.49 | 0.216 | 11.39 | 7.65 |
| 3 1/2" | 101.6 | 4.000 | 5.74 | 0.226 | 13.67 | 9.19 |
| 4" | 114.3 | 4.500 | 6.02 | 0.237 | 16.21 | 10.89 |
| 5" | 141.3 | 5.563 | 6.55 | 0.258 | 21.95 | 14.75 |
| 6" | 168.3 | 6.625 | 7.11 | 0.280 | 28.25 | 18.99 |
| 8" | 219.1 | 8.625 | 8.18 | 0.322 | 42.53 | 28.58 |
| 10" | 273.1 | 10.750 | 9.27 | 0.365 | 60.30 | 40.52 |
| 12" | 323.9 | 12.750 | 8.38 | 0.330 | 65.19 | 43.81 |
Stainless Steel Pipe Weight Chart – Schedule 80S (Full Size Range)
| NB Size | OD (mm) | OD (in) | WT (mm) | WT (in) | Weight (kg/m) | Weight (lb/ft) |
|---|---|---|---|---|---|---|
| 1/8" | 10.3 | 0.405 | 2.41 | 0.095 | 0.48 | 0.32 |
| 1/4" | 13.7 | 0.540 | 3.02 | 0.119 | 0.80 | 0.54 |
| 3/8" | 17.1 | 0.675 | 3.20 | 0.126 | 1.12 | 0.75 |
| 1/2" | 21.3 | 0.840 | 3.73 | 0.147 | 1.64 | 1.10 |
| 3/4" | 26.7 | 1.050 | 3.91 | 0.154 | 2.22 | 1.49 |
| 1" | 33.4 | 1.315 | 4.55 | 0.179 | 3.26 | 2.19 |
| 1 1/4" | 42.2 | 1.660 | 4.85 | 0.191 | 4.49 | 3.02 |
| 1 1/2" | 48.3 | 1.900 | 5.08 | 0.200 | 5.46 | 3.67 |
| 2" | 60.3 | 2.375 | 5.54 | 0.218 | 7.54 | 5.07 |
| 2 1/2" | 73.0 | 2.875 | 7.01 | 0.276 | 11.40 | 7.66 |
| 3" | 88.9 | 3.500 | 7.62 | 0.300 | 15.25 | 10.25 |
| 3 1/2" | 101.6 | 4.000 | 8.08 | 0.318 | 18.62 | 12.51 |
| 4" | 114.3 | 4.500 | 8.56 | 0.337 | 22.29 | 14.98 |
| 5" | 141.3 | 5.563 | 9.53 | 0.375 | 30.96 | 20.80 |
| 6" | 168.3 | 6.625 | 10.97 | 0.432 | 42.56 | 28.60 |
| 8" | 219.1 | 8.625 | 12.70 | 0.500 | 64.63 | 43.43 |
| 10" | 273.1 | 10.750 | 12.70 | 0.500 | 81.53 | 54.79 |
| 12" | 323.9 | 12.750 | 12.70 | 0.500 | 97.44 | 65.48 |
Stainless Steel Pipe Weight Chart – Schedule 10S (Full Size Range)
| NB Size | OD (mm) | OD (in) | WT (mm) | WT (in) | Weight (kg/m) | Weight (lb/ft) |
|---|---|---|---|---|---|---|
| 1/2" | 21.3 | 0.840 | 2.11 | 0.083 | 1.00 | 0.67 |
| 3/4" | 26.7 | 1.050 | 2.11 | 0.083 | 1.28 | 0.86 |
| 1" | 33.4 | 1.315 | 2.77 | 0.109 | 2.08 | 1.40 |
| 1 1/4" | 42.2 | 1.660 | 2.77 | 0.109 | 2.69 | 1.81 |
| 1 1/2" | 48.3 | 1.900 | 2.77 | 0.109 | 3.11 | 2.09 |
| 2" | 60.3 | 2.375 | 2.77 | 0.109 | 3.93 | 2.64 |
| 2 1/2" | 73.0 | 2.875 | 3.05 | 0.120 | 5.25 | 3.53 |
| 3" | 88.9 | 3.500 | 3.05 | 0.120 | 6.46 | 4.34 |
| 3 1/2" | 101.6 | 4.000 | 3.05 | 0.120 | 7.41 | 4.98 |
| 4" | 114.3 | 4.500 | 3.05 | 0.120 | 8.36 | 5.62 |
| 5" | 141.3 | 5.563 | 3.40 | 0.134 | 11.58 | 7.78 |
| 6" | 168.3 | 6.625 | 3.40 | 0.134 | 13.84 | 9.30 |
| 8" | 219.1 | 8.625 | 3.76 | 0.148 | 19.96 | 13.41 |
| 10" | 273.1 | 10.750 | 4.19 | 0.165 | 27.79 | 18.67 |
| 12" | 323.9 | 12.750 | 4.57 | 0.180 | 36.00 | 24.19 |
Stainless Steel Pipe Weight Chart – Schedule 5S (Full Size Range)
| NB Size | OD (mm) | OD (in) | WT (mm) | WT (in) | Weight (kg/m) | Weight (lb/ft) |
|---|---|---|---|---|---|---|
| 1/2" | 21.3 | 0.840 | 1.65 | 0.065 | 0.80 | 0.54 |
| 3/4" | 26.7 | 1.050 | 1.65 | 0.065 | 1.01 | 0.68 |
| 1" | 33.4 | 1.315 | 1.65 | 0.065 | 1.29 | 0.87 |
| 1 1/4" | 42.2 | 1.660 | 1.65 | 0.065 | 1.65 | 1.11 |
| 1 1/2" | 48.3 | 1.900 | 1.65 | 0.065 | 1.90 | 1.28 |
| 2" | 60.3 | 2.375 | 1.65 | 0.065 | 2.40 | 1.61 |
| 2 1/2" | 73.0 | 2.875 | 2.11 | 0.083 | 3.69 | 2.48 |
| 3" | 88.9 | 3.500 | 2.11 | 0.083 | 4.51 | 3.03 |
| 3 1/2" | 101.6 | 4.000 | 2.11 | 0.083 | 5.18 | 3.48 |
| 4" | 114.3 | 4.500 | 2.11 | 0.083 | 5.83 | 3.92 |
| 5" | 141.3 | 5.563 | 2.77 | 0.109 | 9.46 | 6.36 |
| 6" | 168.3 | 6.625 | 2.77 | 0.109 | 11.30 | 7.59 |
| 8" | 219.1 | 8.625 | 2.77 | 0.109 | 14.76 | 9.92 |
| 10" | 273.1 | 10.750 | 3.40 | 0.134 | 22.62 | 15.20 |
| 12" | 323.9 | 12.750 | 3.96 | 0.156 | 31.25 | 21.00 |
Schedule Comparison – 5S vs 10S vs 40S vs 80S (Weight in kg/m)
| NB Size | Sch 5S | Sch 10S | Sch 40S | Sch 80S |
|---|---|---|---|---|
| 1/2" | 0.80 | 1.00 | 1.28 | 1.64 |
| 3/4" | 1.01 | 1.28 | 1.70 | 2.22 |
| 1" | 1.29 | 2.08 | 2.50 | 3.26 |
| 1 1/2" | 1.90 | 3.11 | 4.08 | 5.46 |
| 2" | 2.40 | 3.93 | 5.49 | 7.54 |
| 3" | 4.51 | 6.46 | 11.39 | 15.25 |
| 4" | 5.83 | 8.36 | 16.21 | 22.29 |
| 6" | 11.30 | 13.84 | 28.25 | 42.56 |
| 8" | 14.76 | 19.96 | 42.53 | 64.63 |
| 10" | 22.62 | 27.79 | 60.30 | 81.53 |
| 12" | 31.25 | 36.00 | 65.19 | 97.44 |
SS 304 vs SS 316 Pipe Weight Chart (Schedule 40S, kg/m)
| NB Size | SS 304/304L (kg/m) | SS 316/316L (kg/m) |
|---|---|---|
| 1/2" | 1.28 | 1.29 |
| 3/4" | 1.70 | 1.71 |
| 1" | 2.50 | 2.52 |
| 1 1/2" | 4.08 | 4.10 |
| 2" | 5.49 | 5.52 |
| 3" | 11.39 | 11.46 |
| 4" | 16.21 | 16.31 |
| 6" | 28.25 | 28.42 |
| 8" | 42.53 | 42.79 |
| 10" | 60.30 | 60.66 |
| 12" | 65.19 | 65.58 |
Stainless Steel Square Pipe Weight Chart (Approximate, kg/m)
| Size (mm) | Thickness (mm) | Weight (kg/m) |
|---|---|---|
| 20 x 20 | 1.5 | 0.84 |
| 25 x 25 | 1.5 | 1.06 |
| 40 x 40 | 2.0 | 2.31 |
| 50 x 50 | 2.0 | 2.94 |
| 75 x 75 | 3.0 | 6.40 |
| 100 x 100 | 3.0 | 8.70 |
Full ASME/ANSI B36.19 Stainless Steel Pipe Weight Chart (kg/m) — Schedule 5S to XXS
| NB (mm) | Size (in) | OD (mm) | Sch 5S Wt/kg | Sch 10S Wt/kg | Sch 40S Wt/kg | Sch 80S Wt/kg | Sch 160S Wt/kg | Sch XXS Wt/kg |
|---|---|---|---|---|---|---|---|---|
| 15 | 1/2 | 21.3 | 0.80 | 1.00 | 1.27 | 1.62 | 1.94 | 2.55 |
| 20 | 3/4 | 26.7 | 1.03 | 1.28 | 1.68 | 2.20 | 2.89 | 3.63 |
| 25 | 1 | 33.4 | 1.30 | 2.09 | 2.50 | 3.24 | 4.24 | 5.45 |
| 32 | 1 1/4 | 42.2 | 1.65 | 2.70 | 3.38 | 4.47 | 5.61 | 7.77 |
| 40 | 1 1/2 | 48.3 | 1.91 | 3.11 | 4.05 | 5.41 | 7.25 | 9.54 |
| 50 | 2 | 60.3 | 2.40 | 3.93 | 5.44 | 7.48 | 11.1 | 13.44 |
| 65 | 2 1/2 | 73.0 | 3.69 | 5.26 | 8.63 | 11.4 | 14.9 | 20.39 |
| 80 | 3 | 88.9 | 4.51 | 6.45 | 11.30 | 15.2 | 21.3 | 27.65 |
| 100 | 4 | 114.3 | 5.84 | 8.36 | 16.07 | 22.3 | 33.54 | 41.03 |
| 125 | 5 | 141.3 | 9.47 | 11.57 | 21.8 | 31.97 | 49.11 | 57.43 |
| 150 | 6 | 168.3 | 11.32 | 13.84 | 28.3 | 42.7 | 67.56 | 79.22 |
| 200 | 8 | 219.1 | 14.79 | 19.96 | 42.6 | 64.6 | 111.2 | 107.8 |
| 250 | 10 | 273.1 | 22.63 | 27.78 | 60.5 | 96.0 | 172.4 | 155.15 |
| 300 | 12 | 323.9 | 31.25 | 36.00 | 73.88 | 132.0 | 238.76 | 186.97 |
| 350 | 14 | 355.6 | 34.36 | 41.3 | 94.59 | 158.08 | 281.70 | — |
| 400 | 16 | 406.4 | 41.56 | 47.29 | 123.30 | 203.33 | 365.11 | — |
| 450 | 18 | 457.2 | 46.80 | 53.42 | 155.80 | 254.36 | 466.40 | — |
| 500 | 20 | 508.0 | 59.25 | 68.71 | 183.42 | 311.2 | 564.68 | — |
| 600 | 24 | 609.6 | 82.47 | 94.45 | 255.41 | 442.08 | 808.22 | — |
Source: ASME/ANSI B36.19M standard chart, Oshwin Overseas (ISO 9001:2015, PED 2014/68/EC certified).
Stainless Steel Pipe Weight Chart (lb/ft) — US Standard, Schedule 5S to 80S
| Size (in) | OD (in) | Sch 5S Wt | Sch 10S Wt | Sch 40S Wt | Sch 80S Wt |
|---|---|---|---|---|---|
| 1/8 | 0.405 | 0.14 | 0.19 | 0.25 | 0.32 |
| 1/4 | 0.540 | 0.26 | 0.33 | 0.43 | 0.54 |
| 3/8 | 0.675 | 0.35 | 0.43 | 0.57 | 0.75 |
| 1/2 | 0.840 | 0.54 | 0.68 | 0.86 | 1.10 |
| 3/4 | 1.050 | 0.69 | 0.87 | 1.14 | 1.49 |
| 1 | 1.315 | 0.88 | 1.42 | 1.69 | 2.19 |
| 1 1/4 | 1.660 | 1.12 | 1.82 | 2.29 | 3.02 |
| 1 1/2 | 1.900 | 1.29 | 2.10 | 2.74 | 3.67 |
| 2 | 2.375 | 1.62 | 2.66 | 3.69 | 5.07 |
| 2 1/2 | 2.875 | 2.50 | 3.56 | 5.85 | 7.66 |
| 3 | 3.500 | 3.06 | 4.37 | 7.65 | 10.25 |
| 3 1/2 | 4.000 | 3.50 | 5.02 | 9.19 | 12.51 |
| 4 | 4.500 | 3.95 | 5.67 | 10.89 | 14.98 |
| 5 | 5.563 | 6.41 | 7.84 | 14.75 | — |
| 6 | 6.625 | 7.66 | 9.38 | 19.15 | — |
| 8 | 8.625 | 10.01 | 13.52 | 28.83 | — |
| 10 | 10.750 | 15.33 | 18.83 | 40.86 | — |
| 12 | 12.750 | 21.18 | 24.39 | 50.03 | — |
Source: Merit Brass Company (ISO 9001:2015 registered), 2023 published weight chart.
Wall Thickness by Schedule (mm) — Quick Reference
| Size (in) | Sch 5S WT | Sch 10S WT | Sch 40S WT | Sch 80S WT | Sch 160S WT |
|---|---|---|---|---|---|
| 1/2 | 1.65 | 2.11 | 2.77 | 3.75 | 4.75 |
| 1 | 1.65 | 2.77 | 3.38 | 4.55 | 6.35 |
| 2 | 1.65 | 2.77 | 3.91 | 5.54 | 8.74 |
| 3 | 2.11 | 3.05 | 5.49 | 7.62 | 11.1 |
| 4 | 2.11 | 3.05 | 6.02 | 8.56 | 13.49 |
| 6 | 2.77 | 3.40 | 7.11 | 10.97 | 18.2 |
| 8 | 2.77 | 3.76 | 8.18 | 12.7 | 23.0 |
| 10 | 3.40 | 4.19 | 9.27 | 12.7 | 28.6 |
| 12 | 3.96 | 4.57 | 9.52 | 12.7 | 33.32 |
Source: same ASME B36.19M chart as Table 1.
Weight Comparison — Stainless Steel vs Specialty Alloy Pipe (Same Size)
| Material | Density (g/cm³) | Approx. Weight vs SS 304/316 |
|---|---|---|
| SS 304 / 316 (reference) | 8.00 | 1.00x |
| Duplex 2205 (UNS S32205) | 7.80 | 0.98x |
| Super Duplex S32750 / S32760 | 7.80 | 0.98x |
| Monel 400 | 8.80 | 1.10x |
| Inconel 625 | 8.44 | 1.06x |
| Hastelloy C276 | 8.89 | 1.11x |
| Copper Nickel 90/10 | 8.94 | 1.12x |
Source: Oshwin Overseas published alloy density chart — multipliers approximate, for early-stage estimation only.
Stainless Steel Square Pipe & Tubing Weight Chart (kg/m)
| Size (mm) | Thickness (mm) | Weight (kg/m) |
|---|---|---|
| 20 x 20 | 2 | 1.11 |
| 25 x 25 | 3 | 2.04 |
| 30 x 30 | 3 | 2.51 |
| 40 x 40 | 3 | 3.45 |
| 40 x 40 | 5 | 5.40 |
| 50 x 50 | 3 | 4.39 |
| 50 x 50 | 6 | 8.20 |
| 60 x 60 | 4 | 6.97 |
| 70 x 70 | 5 | 10.10 |
| 80 x 80 | 5 | 11.70 |
| 90 x 90 | 6 | 15.70 |
| 100 x 100 | 6 | 17.60 |
| 100 x 100 | 10 | 27.86 |
| 120 x 120 | 8 | 27.90 |
| 150 x 150 | 8 | 35.40 |
| 150 x 150 | 16 | 65.05 |
| 200 x 200 | 10 | 59.30 |
| 250 x 250 | 12 | 88.45 |
| 300 x 300 | 12 | 108.68 |
| 350 x 350 | 16 | 166.94 |
| 400 x 400 | 16 | 191.94 |
Source: Oshwin Overseas published square pipe/tube weight chart.
Stainless Steel Elliptical/Oval Tube — Standard Sizes by Grade
| Size (mm) | SS 304 (1.5mm) | SS 304 (2.0mm) | SS 316 (1.5mm) | SS 316 (2.0mm) |
|---|---|---|---|---|
| 21 x 16 | ✓ | — | ✓ | — |
| 32 x 16 | ✓ | ✓ | ✓ | ✓ |
| 49 x 24.5 | ✓ | ✓ | — | ✓ |
| 78 x 39 | ✓ | ✓ | ✓ | ✓ |
| 90 x 60 | — | ✓ | — | ✓ |
| 129 x 70 | — | ✓ | — | ✓ |
| 197 x 103 | — | ✓ | — | ✓ |
Source: Oshwin Overseas standard oval tube availability chart.
Stainless Steel Pipe Weight Chart – Schedule 40S (Full Size Range)
| NB Size | OD (mm) | OD (in) | WT (mm) | WT (in) | Weight (kg/m) | Weight (lb/ft) |
|---|---|---|---|---|---|---|
| 1/8" | 10.3 | 0.405 | 1.73 | 0.068 | 0.37 | 0.25 |
| 1/4" | 13.7 | 0.540 | 2.24 | 0.088 | 0.64 | 0.43 |
| 3/8" | 17.1 | 0.675 | 2.31 | 0.091 | 0.85 | 0.57 |
| 1/2" | 21.3 | 0.840 | 2.77 | 0.109 | 1.28 | 0.86 |
| 3/4" | 26.7 | 1.050 | 2.87 | 0.113 | 1.70 | 1.14 |
| 1" | 33.4 | 1.315 | 3.38 | 0.133 | 2.50 | 1.68 |
| 1 1/4" | 42.2 | 1.660 | 3.56 | 0.140 | 3.41 | 2.29 |
| 1 1/2" | 48.3 | 1.900 | 3.68 | 0.145 | 4.08 | 2.74 |
| 2" | 60.3 | 2.375 | 3.91 | 0.154 | 5.49 | 3.69 |
| 2 1/2" | 73.0 | 2.875 | 5.16 | 0.203 | 8.71 | 5.85 |
| 3" | 88.9 | 3.500 | 5.49 | 0.216 | 11.39 | 7.65 |
| 3 1/2" | 101.6 | 4.000 | 5.74 | 0.226 | 13.67 | 9.19 |
| 4" | 114.3 | 4.500 | 6.02 | 0.237 | 16.21 | 10.89 |
| 5" | 141.3 | 5.563 | 6.55 | 0.258 | 21.95 | 14.75 |
| 6" | 168.3 | 6.625 | 7.11 | 0.280 | 28.25 | 18.99 |
| 8" | 219.1 | 8.625 | 8.18 | 0.322 | 42.53 | 28.58 |
| 10" | 273.1 | 10.750 | 9.27 | 0.365 | 60.30 | 40.52 |
| 12" | 323.9 | 12.750 | 8.38 | 0.330 | 65.19 | 43.81 |
Stainless Steel Pipe Weight Chart – Schedule 80S (Full Size Range)
| NB Size | OD (mm) | OD (in) | WT (mm) | WT (in) | Weight (kg/m) | Weight (lb/ft) |
|---|---|---|---|---|---|---|
| 1/8" | 10.3 | 0.405 | 2.41 | 0.095 | 0.48 | 0.32 |
| 1/4" | 13.7 | 0.540 | 3.02 | 0.119 | 0.80 | 0.54 |
| 3/8" | 17.1 | 0.675 | 3.20 | 0.126 | 1.12 | 0.75 |
| 1/2" | 21.3 | 0.840 | 3.73 | 0.147 | 1.64 | 1.10 |
| 3/4" | 26.7 | 1.050 | 3.91 | 0.154 | 2.22 | 1.49 |
| 1" | 33.4 | 1.315 | 4.55 | 0.179 | 3.26 | 2.19 |
| 1 1/4" | 42.2 | 1.660 | 4.85 | 0.191 | 4.49 | 3.02 |
| 1 1/2" | 48.3 | 1.900 | 5.08 | 0.200 | 5.46 | 3.67 |
| 2" | 60.3 | 2.375 | 5.54 | 0.218 | 7.54 | 5.07 |
| 2 1/2" | 73.0 | 2.875 | 7.01 | 0.276 | 11.40 | 7.66 |
| 3" | 88.9 | 3.500 | 7.62 | 0.300 | 15.25 | 10.25 |
| 3 1/2" | 101.6 | 4.000 | 8.08 | 0.318 | 18.62 | 12.51 |
| 4" | 114.3 | 4.500 | 8.56 | 0.337 | 22.29 | 14.98 |
| 5" | 141.3 | 5.563 | 9.53 | 0.375 | 30.96 | 20.80 |
| 6" | 168.3 | 6.625 | 10.97 | 0.432 | 42.56 | 28.60 |
| 8" | 219.1 | 8.625 | 12.70 | 0.500 | 64.63 | 43.43 |
| 10" | 273.1 | 10.750 | 12.70 | 0.500 | 81.53 | 54.79 |
| 12" | 323.9 | 12.750 | 12.70 | 0.500 | 97.44 | 65.48 |
Stainless Steel Pipe Weight Chart – Schedule 10S (Full Size Range)
| NB Size | OD (mm) | OD (in) | WT (mm) | WT (in) | Weight (kg/m) | Weight (lb/ft) |
|---|---|---|---|---|---|---|
| 1/2" | 21.3 | 0.840 | 2.11 | 0.083 | 1.00 | 0.67 |
| 3/4" | 26.7 | 1.050 | 2.11 | 0.083 | 1.28 | 0.86 |
| 1" | 33.4 | 1.315 | 2.77 | 0.109 | 2.08 | 1.40 |
| 1 1/4" | 42.2 | 1.660 | 2.77 | 0.109 | 2.69 | 1.81 |
| 1 1/2" | 48.3 | 1.900 | 2.77 | 0.109 | 3.11 | 2.09 |
| 2" | 60.3 | 2.375 | 2.77 | 0.109 | 3.93 | 2.64 |
| 2 1/2" | 73.0 | 2.875 | 3.05 | 0.120 | 5.25 | 3.53 |
| 3" | 88.9 | 3.500 | 3.05 | 0.120 | 6.46 | 4.34 |
| 3 1/2" | 101.6 | 4.000 | 3.05 | 0.120 | 7.41 | 4.98 |
| 4" | 114.3 | 4.500 | 3.05 | 0.120 | 8.36 | 5.62 |
| 5" | 141.3 | 5.563 | 3.40 | 0.134 | 11.58 | 7.78 |
| 6" | 168.3 | 6.625 | 3.40 | 0.134 | 13.84 | 9.30 |
| 8" | 219.1 | 8.625 | 3.76 | 0.148 | 19.96 | 13.41 |
| 10" | 273.1 | 10.750 | 4.19 | 0.165 | 27.79 | 18.67 |
| 12" | 323.9 | 12.750 | 4.57 | 0.180 | 36.00 | 24.19 |
Stainless Steel Pipe Weight Chart – Schedule 5S (Full Size Range)
| NB Size | OD (mm) | OD (in) | WT (mm) | WT (in) | Weight (kg/m) | Weight (lb/ft) |
|---|---|---|---|---|---|---|
| 1/2" | 21.3 | 0.840 | 1.65 | 0.065 | 0.80 | 0.54 |
| 3/4" | 26.7 | 1.050 | 1.65 | 0.065 | 1.01 | 0.68 |
| 1" | 33.4 | 1.315 | 1.65 | 0.065 | 1.29 | 0.87 |
| 1 1/4" | 42.2 | 1.660 | 1.65 | 0.065 | 1.65 | 1.11 |
| 1 1/2" | 48.3 | 1.900 | 1.65 | 0.065 | 1.90 | 1.28 |
| 2" | 60.3 | 2.375 | 1.65 | 0.065 | 2.40 | 1.61 |
| 2 1/2" | 73.0 | 2.875 | 2.11 | 0.083 | 3.69 | 2.48 |
| 3" | 88.9 | 3.500 | 2.11 | 0.083 | 4.51 | 3.03 |
| 3 1/2" | 101.6 | 4.000 | 2.11 | 0.083 | 5.18 | 3.48 |
| 4" | 114.3 | 4.500 | 2.11 | 0.083 | 5.83 | 3.92 |
| 5" | 141.3 | 5.563 | 2.77 | 0.109 | 9.46 | 6.36 |
| 6" | 168.3 | 6.625 | 2.77 | 0.109 | 11.30 | 7.59 |
| 8" | 219.1 | 8.625 | 2.77 | 0.109 | 14.76 | 9.92 |
| 10" | 273.1 | 10.750 | 3.40 | 0.134 | 22.62 | 15.20 |
| 12" | 323.9 | 12.750 | 3.96 | 0.156 | 31.25 | 21.00 |
Schedule Comparison – 5S vs 10S vs 40S vs 80S (Weight in kg/m)
| NB Size | Sch 5S | Sch 10S | Sch 40S | Sch 80S |
|---|---|---|---|---|
| 1/2" | 0.80 | 1.00 | 1.28 | 1.64 |
| 3/4" | 1.01 | 1.28 | 1.70 | 2.22 |
| 1" | 1.29 | 2.08 | 2.50 | 3.26 |
| 1 1/2" | 1.90 | 3.11 | 4.08 | 5.46 |
| 2" | 2.40 | 3.93 | 5.49 | 7.54 |
| 3" | 4.51 | 6.46 | 11.39 | 15.25 |
| 4" | 5.83 | 8.36 | 16.21 | 22.29 |
| 6" | 11.30 | 13.84 | 28.25 | 42.56 |
| 8" | 14.76 | 19.96 | 42.53 | 64.63 |
| 10" | 22.62 | 27.79 | 60.30 | 81.53 |
| 12" | 31.25 | 36.00 | 65.19 | 97.44 |
SS 304 vs SS 316 Pipe Weight Chart (Schedule 40S, kg/m)
| NB Size | SS 304/304L (kg/m) | SS 316/316L (kg/m) |
|---|---|---|
| 1/2" | 1.28 | 1.29 |
| 3/4" | 1.70 | 1.71 |
| 1" | 2.50 | 2.52 |
| 1 1/2" | 4.08 | 4.10 |
| 2" | 5.49 | 5.52 |
| 3" | 11.39 | 11.46 |
| 4" | 16.21 | 16.31 |
| 6" | 28.25 | 28.42 |
| 8" | 42.53 | 42.79 |
| 10" | 60.30 | 60.66 |
| 12" | 65.19 | 65.58 |
Stainless Steel Square Pipe Weight Chart (Approximate, kg/m)
| Size (mm) | Thickness (mm) | Weight (kg/m) |
|---|---|---|
| 20 x 20 | 1.5 | 0.84 |
| 25 x 25 | 1.5 | 1.06 |
| 40 x 40 | 2.0 | 2.31 |
| 50 x 50 | 2.0 | 2.94 |
| 75 x 75 | 3.0 | 6.40 |
| 100 x 100 | 3.0 | 8.70 |