Calculations

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Calculator to get ID from OD and Wall of stainless steel tube

    
                               
 

Calculator to get Wall from OD and ID of stainless steel tube

    
 

Calculator to get Min / Max ID from OD and Wall of stainless steel tube

    
 

Calculator to get Min / Max Wall from OD and ID of stainless steel tube

    
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Calculator to determine the weight of the stainless steel tube or rod

        
Enter the OD and ID Below. If you have OD and Wall, use the ID and Wall Calculator to get ID
A Density of 0.29 lbs. / inch is an accurate estimate for 304 / 304L and 316 / 316L stainless steel tubing and solid stock
Density (lbs./inch3)
Weight (lbs.)
OD (inches)
Weight (kgs)
ID (inches)
Length (ft.)
                         
 

Stainless Steel Tube Reduction / Hardness Calculator

        
This Calculator will estimate the hardness of the final stainless steel tube after reduction.
Temper Tensile Min (kpsi) Tensile Max (kpsi)
Enter values below
Calculated values
Anneal N/A 110
Starting O.D.
inches
O.D. after Draw (Ref in inches)
1/8 Hard 90 120
1/4 Hard 100 130
Wall Thickness
inches
% Reduction
1/2 Hard 110 140
                    3/4 Hard 120 150
I.D. after Draw
inches
Temper (MicroGroup)
Full Hard 140 NA
                         
 

Circles Within a Circle

                  
This is an approximate formula for calculating a large number of circles enclosed inside an outer circle.
From Machinery's Handbook (Rev 23), Page 66
  D-d(1+(SQRT(N/.907))              
D = Diameter of enclosing circle (Inside Diameter)
d = diameter of enclosed circles (Outside Diameter)
N=number of enclosed circles
  N = .907*(((D/d)-1)^2)              
I.D. of Outer Tube
Number of Inner Tubes
O.D. of Inner Tubes
                   
 

This Calculator Converts Metric to Imperial and Imperial to Metric

  
         
  METRIC       IMPERIAL      
  millimeters (mm)     inches = 25.4 mm    
  centimeters (cm) = 10 mm     feet = 30.48 cm    
  meters (m) = 100 cm     yards = 0.09144 m    
  kilometers (km) = 1000 m     furlong = 0.201168 km    
  light years = 9,460,528,400,000 km     mile = 1.609344 km    
  IMPERIAL       METRIC      
  inches (in)     millimeters = 0.03937 in    
  feet (ft) = 12 in     centimeters = 0.032808 ft    
  yards (yd) = 3 ft     meters = 1.093613 yd    
  furlong = 220 yds     kilometers = 0.621371 miles    
  mile = 8 furlongs     light year    
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This Calculator Converts Metric to Imperial and Imperial to Metric

    
  Input Data       Output Data        
  METRIC       IMPERIAL        
grams (gm.)
grains = 0.0648 gm.
kilograms (kg) = 1000 gm.
ounces = 28.350 gm.
tonnes = 1000 kg
pounds (lbs.) = 0.4536 kg
short ton (US) = 907.2 kg
long ton (UK) = 1016.064 kg
  IMPERIAL       METRIC        
grains
grams (gm.) = 0.0353 ounces
ounces = 437.5 grains
kilograms (kg) = 2.2046 lbs.
pounds (lbs.) = 16 ounces
tonnes = 2204.6 lbs.
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