Hygienic and Sanitary Resources
Chemical Composition Percentage of Metals and Alloys
304 | 304L | 316 | 316L | 1.4435 | ||
Carbon | C | 0.080 | 0.030 | 0.080 | 0.030 | 0.030* |
Manganese | Mn | 2.00 | 2.00 | 2.00 | 2.00 | 2.00 |
Phosphorus | P | 0.045 | 0.045 | 0.045 | 0.045 | 0.045* |
Sulfur | S | 0.030 | 0.030 | 0.030 | 0.030 | 0.025 |
Silicon | Si | 1.00 | 1.00 | 1.00 | 1.00 | 1.00* |
Chromium | Cr | 18.0-20.0 | 18.0-20.0 | 16.0-18.0 | 16.0-18.0 | 17.0-18.0 |
Nickel | Ni | 8.0-13.0 | 8.0-12.0 | 10.0-14.0 | 10.0-14.0 | 12.5-14.0 |
Molybdenum | Mo | 2.0-3.0 | 2.0-3.0 | 2.5-3.0 | ||
Tungsten | W | |||||
Vanadium | V | |||||
Cobalt | Co | 0.10-0.16N | 0.10-0.16N | 0.1N* 0.05T* | ||
Other | ||||||
*Maximum |
2205 | AL-6XN | C-22 | C-276 | |||
Carbon | C | 0.030* | 0.030* | 0.010* | 0.010* | |
Manganese | Mn | 2.00* | 2.00* | 1.00* | 1.00* | |
Phosphorus | P | 0.030* | 0.040* | 0.025 | ||
Sulfur | S | 0.020* | 0.030* | 0.010* | ||
Silicon | Si | 1.00* | 1.00* | 0.08* | 0.08* | |
Chromium | Cr | 22.0-23.0 | 20.0-22.0 | 22.0 | 14.5-16.5 | |
Nickel | Ni | 4.5-6.5 | 23.5-25.5 | 56.0 | 57.0 | |
Molybdenum | Mo | 3.0-3.5 | 6.0-7.0 | 13.0 | 15.0-17.0 | |
Tungsten | W | 3.0* | 3.0-4.5 | |||
Vanadium | V | 0.35* | 0.35* | |||
Cobalt | Co | 2.5* | 2.5* | |||
Other | 0.14-0.20N | 0.18-0.25 N | 3.0 Fe | 4.0-7.0 Fe | ||
*Maximum |
Stainless Steel Metal Guages
Gauge | Thickness (in) | lbs/sq ft |
22 | 0.0293 | 1.23 |
20 | 0.0355 | 1.49 |
19 | 0.0420 | 1.76 |
18 | 0.0420 | 2.02 |
16 | 0.0595 | 2.50 |
14 | 0.0751 | 3.15 |
13 | 0.0900 | 3.78 |
12 | 0.1054 | 4.43 |
11 | 0.1200 | 5.04 |
10 | 0.1350 | 5.67 |
8 | 0.1650 | 6.93 |
7 | 0.1874 | 7.87 |
-- | 0.2500 | 11.16 |
Pipe Schedules
Tube vs. Pipe
Manufactured to a set outside diameter, tube is expressed as 1.5" OD, .065" wall. Pipe is specified by a nominal, not actual, inside diameter. The wall thickness of pipe is described by the "schedule," such as schedule 40.
Size | OD | Schedule 5 | Schedule 10 | ||
(inches) | (inches) | ID | Wall Thickness | ID | Wall Thickness |
1/8 | 0.405 | .0335 | 0.035 | 0.307 | 0.049 |
1/4 | 0.540 | 0.442 | 0.049 | 0.410 | 0.065 |
3/8 | 0.675 | 0.577 | 0.049 | 0.545 | 0.065 |
1/2 | 0.840 | 0.710 | 0.065 | 0.674 | 0.083 |
3/4 | 1.050 | 0.920 | 0.065 | 0.884 | 0.083 |
1 | 1.315 | 1.185 | 0.065 | 1.097 | 0.109 |
1 1/4 | 1.660 | 1.530 | 0.065 | 1.442 | 0.109 |
1 1/2 | 1.900 | 1.770 | 0.065 | 1.682 | 0.109 |
2 | 2.375 | 2.245 | 0.065 | 2.157 | .109 |
2 1/2 | 2.875 | 2.709 | 0.083 | 2.635 | 0.120 |
3 | 3.500 | 3.334 | 0.083 | 3.260 | 0.120 |
3 1/2 | 4.000 | 3.834 | 0.083 | 3.760 | 0.120 |
4 | 4.500 | 4.334 | 0.083 | 4.260 | 0.120 |
5 | 5.563 | 5.345 | 0.109 | 5.295 | 0.134 |
6 | 6.625 | 6.407 | 0.109 | 6.357 | 0.134 |
8 | 8.625 | 8.407 | 0.109 | 8.329 | 0.148 |
Size | OD | Schedule 40 | Schedule 80 | ||
(inches) | (inches) | ID | Wall Thickness | ID | Wall Thickness |
1/8 | 0.405 | 0.269 | 0.068 | 0.215 | 0.095 |
1/4 | 0.540 | 0.364 | 0.088 | 0.302 | 0.119 |
3/8 | 0.675 | 0.493 | 0.091 | 0.423 | 0.126 |
1/2 | 0.840 | 0.622 | 0.109 | 0.546 | 0.147 |
3/4 | 1.050 | 0.824 | 0.113 | 0.742 | 0.154 |
1 | 1.315 | 1.049 | 0.133 | 0.957 | 0.179 |
1 1/4 | 1.660 | 1.380 | 0.140 | 1.278 | 0.191 |
1 1/2 | 1.900 | 1.610 | 0.145 | 1.500 | 0.200 |
2 | 2.375 | 2.067 | 0.154 | 1.939 | 0.218 |
2 1/2 | 2.875 | 2.469 | 0.203 | 2.323 | 0.276 |
3 | 3.500 | 3.068 | 0.216 | 2.900 | 0.300 |
3 1/2 | 4.000 | 3.548 | 0.226 | 3.364 | 0.318 |
4 | 4.500 | 4.026 | 0.237 | 3.826 | 0.337 |
5 | 5.563 | 5.047 | 0.258 | 4.813 | 0.375 |
6 | 6.625 | 6.065 | 0.280 | 5.761 | 0.432 |
8 | 8.625 | 7.981 | 0.322 | 7.625 | 0.500 |
Sanitary Tubing: Specifications
Tube OD | Wall Thickness | Tube ID | Volume | Weight Dry | Weight w/ Water | Flow at a Mean Velocity GPM | ||
(inches) | (inches) | (inches) | (gal/100ft) | (lbs/100ft) | (lbs/100ft) | (5 fps) | (7 fps) | (10 fps) |
1/4 | 0.035 | 0.180 | 0.13 | 8.1 | 9.2 | 0.40 | 0.56 | 0.79 |
3/8 | 0.035 | 0.305 | 0.38 | 12.9 | 16.0 | 1.14 | 1.59 | 2.28 |
1/2 | 0.065 | 0.370 | 0.56 | 30.6 | 35.3 | 1.7 | 2.3 | 3.4 |
3/4 | 0.065 | 0.620 | 1.57 | 48.2 | 61.3 | 4.7 | 6.6 | 9.4 |
1 | 0.065 | 0.870 | 3.09 | 65.8 | 91.5 | 9.3 | 13 | 19 |
1 1/2 | 0.065 | 1.370 | 7.66 | 100.9 | 164.8 | 23 | 32 | 46 |
2 | 0.065 | 1.870 | 14.27 | 136.1 | 255.1 | 43 | 60 | 86 |
2 1/2 | 0.065 | 2.370 | 22.92 | 171.2 | 362.4 | 69 | 96 | 138 |
3 | 0.065 | 2.870 | 33.60 | 206.4 | 486.7 | 101 | 141 | 202 |
4 | 0.083 | 3.834 | 59.97 | 351.8 | 851.9 | 180 | 252 | 360 |
6 | 0.109 | 5.782 | 136.39 | 694.7 | 1832.2 | 409 | 573 | 818 |
8 | 0.109 | 7.782 | 247.07 | 930.6 | 2991.1 | 741 | 1038 | 1482 |
Sanitary Tubing: Grit & Finish
Grit | Ra (Range, micro-inch) |
150 | 30-35 |
180 | 20-25 |
240 | 15-20 |
320 | 9-11 |
Sanitary Tubing: Description by Finish Number
No. | Description |
1 | Industrial or mill finish. Bright annealed, pickled, sand blasted or tumbled |
3 | Sanitary. ID polished to #150 grit or 32 Ra, OD mill finish |
3A | Polished #150 grit OD, #180 grit ID |
5 | Industrial. ID mill finish, OD polish to #150 grit or 32 Ra |
7 | Sanitary. ID and OD polished to #150 grit or 32 Ra |
Sanitary Tubing: Finish Specifications
Process | Ra (Micro Inches) | Ra (Microns) | ISO designation |
150 grit | 30 - 35 | 0.75 - 0.875 | N6 |
150 grit + Electropolish | 12 - 20 | 0.3 - .05 | |
180 grit | 20 - 25 | 0.5 - .0625 | |
180 grit + Electropolish | 10 - 16 | 0.25 - 0.4 | |
240 grit | 15 - 20 | 0.375 - 0.5 | N5 |
240 grit + Electropolish | 8 - 12 | 0.2 - 0.3 | |
320 grit | 8 - 12 | 0.2 - 0.3 | N4 |
320 grit + Electropolish | 6 - 12 | 0.15 - 0.3 |
STEAM: CAPACITY CALCULATIONS FOR STEAM LOADS
When BTU Load is Known | Capacity of steam required (lbs/hr) | BTU —— 100 |
When Square Feet Equivalent Direction Radiation (EDR) is Known | Capacity of steam required (lbs/hr) | Sq ft. of EDR ———— 4 |
When Heating Water with Steam | Capacity of steam required (lbs/hr) | GPM x Temp Rise °F ——————— 2 |
When Heating Fuel Oil with Steam | Capacity of steam required (lbs/hr) | GPM x Temp Rise °F ——————— 4 |
When Heating Air with Steam Coils | Capacity of steam required (lbs/hr) | CFM x Temp Rise °F ——————— 900 |
Steam: Heating Air with Steam Pipe Coils
STEAM: HEATING AIR WITH STEAM PIPE COILS
Heating Air With Steam Pipe Coils | ||
Steam lbs/hr = A x U x (Δ) T —————— |
||
A = Area of heating surface in sq. ft | ||
U = Heat transfer coefficient (2 for free convection) | ||
(Δ) T = Steam Temperature - Air Temperature in °F | ||
L = Latent heat of Steam BTU / lb |
Resource Links
Chemical Composition Percentage of Metals and Alloys
Stainless Steel Metal Gauges
Pipe Schedules
Sanitary Tubing: Specifications
Sanitary Tubing: Grit & Finish
Sanitary Tubing: Description by Finish Number
Sanitary Tubing: Finish Specifications
Steam: Capacity Calculations for Steam Loads
Steam: Heating Air with Steam Pipe Coils
Properties of Saturated Steam
Download Steam Table PDF
Steam Velocity Chart
Download Steam Velocity Chart PDF