D.O.M. Steel Tubing

Test reports available on request.

ASTM A513 Type 5  

GradeChemistry       %YieldTensileElongationTypical Hardness
        PSIPSI% in 2" sectionMin
1020Carbon 0.15-0.2560,00070,00010B-80
 MN0.30-0.60    
 P0.040 Max    
 S0.050 Max    
1026Carbon 0.21-0.2875,00085,00015B-85
 MN0.60-0.90    
 P0.040 Max    
 S0.050 Max    
ST52.3  Carbon 0.13-0.18 75,00085,000 15 B-80
  MN 1.2-1.4    
  P 0.025 max    
  S 0.010 max    

Diameter Tolerances

OD InchesWall:OD InchesID Inches
Size RangePercent of ODPlusMinusPlusMinus
Up to 0.499All0.0040.000  
0.500-1.699All0.0050.0000.0000.005
1.700-2.099All0.0060.0000.0000.006
2.100-2.499All0.0070.0000.0000.007
2.500-2.899All0.0080.0000.0000.008
2.900-3.299All0.0090.0000.0000.009
3.300-3.699All0.0100.0000.0000.010
3.700-4.099All0.0110.0000.0000.011
4.100-4.499All0.0120.0000.0000.012
4.500-4.899All0.0130.0000.0000.013
4.900-5.299All0.0140.0000.0000.014
5.300-5.549All0.0150.0000.0000.015
5.550-5.999Under 6"0.0100.0010.0010.001
 6 to 7 1/2"0.0090.0090.0090.009
6.000-6.499Under 60.0130.0130.0130.013
 6 to 7 1/2"0.0140.0140.0140.041
6.500-6.999Under 60.0150.0150.0150.015
 6 to 7 1/20.0120.0120.0120.012
7.000-7.499Under 60.0180.0180.0180.018
 6 to 7 1/20.0130.0130.0130.013
7.500-7.999Under 60.0020.0020.0020.002
 6 to 7 1/20.0150.0150.0150.015
8.000-8.499Under 60.0230.0230.0230.023
 6 to 7 1/20.0160.0160.0160.016
8.500-8.999Under 60.0250.0250.0250.025
 6 to 7 1/20.0170.0170.0170.017
9.000-9.499Under 60.0280.0280.0280.028
 6 to 7 1/20.0190.0190.0190.019
9.500-9.999Under 60.0030.0030.0030.003
 6 to 7 1/20.0020.0020.0020.002
10.000-10.999Under 60.0340.0340.0340.034
 6 to 7 1/20.0220.0220.0220.022
11.000-11.999Under 60.0350.0350.0350.035
 6 to 7 1/20.0250.0250.0250.025
12.000-12.999Under 60.0360.0360.0360.036
 6 to 7 1/20.0270.0270.0270.027
13.000-13.999Under 60.0370.0370.0370.037
 6 to 7 1/20.0290.0290.0290.029
14.000-15.000Under 60.0380.0380.0380.038
 6 to 7 1/20.0030.0030.0030.003

Ovality shall be within the above tolerances except when the wall thickness is less than 3% of the OD.

In those cases the additional ovality shall be as follows, but the mean diameter shall be within the specified tolerance

Outside DiameterAdditional Ovality ToleranceOutside DiameterAdditional Ovality Tolerance
Up to 2" 0.010"7" - 8" incl.0.040"
2" - 3" incl.0.015"8" - 9" incl.0.045"
3" - 4" Incl.0.020"9"-10" incl.0.050"
4" - 5" incl.0.025"10"-11" incl.0.055"
5" - 6" incl.0.030"11"-12" incl.0.060"
6" - 7" incl.0.035"12"-12.5"incl.0.065"

Straightness Tolerance

.030” in any 3 ft. of length up to 7.500” OD
.060” in any 3 ft. of length over 7.500” OD

Wall Tolerances

WallIncludingOver .875" toOver 1.875" toOver 3.750 "to
Thickness,.375" to1.875" OD3.750" OD15.000" OD
Inches.875" OD   
0.028 & 0.0350.002"0.002"0.002" 
 -0.002"-0.002"-0.002" 
0.0490.002"0.002"0.002" 
 -0.002"-0.003"-0.003" 
0.0650.002"0.002"0.002"0.004"
 -0.002"-0.003"-0.003"-0.004"
0.0830.002"0.002"0.003"0.004"
 -0.002"-0.003"-0.003"-0.005"
0.0950.002"0.002"0.003"0.004"
 -0.002"-0.003"-0.003"-0.005"
0.1090.002"0.002"0.003"0.005"
 -0.003"-0.004"-0.003"-0.005"
0.1200.003"0.002"0.003"0.005"
 -0.003"-0.004"-0.003"-0.005"
0.134 0.002"0.003"0.005"
  -0.004"-0.003"-0.005"
0.148 0.002"0.003"0.005"
  -0.004"-0.003"-0.005"
0.165 0.003"0.003"0.005"
  -0.004"-0.004"-0.006"
0.180 0.004"0.003"0.006"
  -0.004"-0.005"-0.006"
0.203 0.004"0.004"0.006"
  -0.005"-0.005"-0.007"
0.220 0.004"0.004"0.007"
  -0.006"-0.006"-0.007"
0.238 0.005"0.005"0.007"
  -0.006"-0.006"-0.007"
0.259 0.005"0.005"0.007"
  -0.006"-0.006"-0.007"
0.284 0.005"0.005"0.007"
  -0.006"-0.006"-0.007"
0.300 0.006"0.006"0.008"
  -0.006"-0.006"-0.008"
0.320 0.007"0.007"0.008"
  -0.007"-0.007"-0.008"
0.344 0.008"0.008"0.009"
  -0.008"-0.008"-0.009"
0.375  0.009"0.009"
   -0.009"-0.009"
0.400  0.010"0.010"
   -0.010"-0.010"
0.438  0.011"0.011"
   -0.011"-0.011"
0.480  0.012"0.012"
   -0.012"-0.012"
0.531  0.013"0.013"
   -0.013"-0.013"
0.563  0.013"0.013"
   -0.013"-0.013"
0.580  0.014"0.014"
   -0.014"-0.014"
0.600  0.015"0.015"
   -0.015"-0.015"
0.625  0.016"0.016"
   -0.016"-0.016"
0.650   0.017"
    -0.017"