Gold Member Since 2015
Audited Supplier
Qingdao Macro Reward International Trade Co., Ltd.

Tube, Precision Tube, Pipe manufacturer / supplier in China, offering ASTM Seamless Steel Precision Tube Pipe, AS/NZS 3m Steel Cattle Loading Ramp, ASTM 316/316L Stainless Steel Plate and so on.

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ASTM Seamless Steel Precision Tube Pipe

FOB Price: US $2,000 / Piece
Min. Order: 2 Tons
Min. Order FOB Price
2 Tons US $2,000/ Piece
Get Latest Price
Production Capacity: 200, 000 Tons/Month
Transport Package: Bundle
Payment Terms: L/C, T/T, D/P, Paypal, Money Gram, Western Union
Basic Info
  • Model NO.: MRPT03
  • Technique: Cold Drawn
  • Surface Treatment: as Required
  • Section Shape: Round
  • Trademark: MR
  • Origin: Qingdao, China
  • Type: Seamless
  • Material: Carbon Steel
  • Usage: Pipeline Transport, Special Purpose, Oil/Gas Drilling, Machinery Industry, Chemical Industry, Mining, Construction & Decoration
  • OEM: Supported
  • Specification: ASTM
  • HS Code: 73089000
Product Description
ASTM Carbon Steel Tube/Pipe Precision Tube Pipe/Pipe
Drawn Over Mandrel
ASTM Seamless Steel Precision Tube Pipe

Drawn Over Mandrel (DOM) Round Mechanical Tubing is a cold drawn 1020 / 1026 electric resistance welded tube with all the flash removed prior to cold drawing.  In comparison to other tubing, DOM round tubing is produced to more exact OD and ID tolerances, and has the highest weld strength possible.

  • Made from 1020 / 1026 Steel
  • Meets ASTM A513 Type 5
  • Stocked Size Range: 3/16" - 14" OD; .028" - .625" wall thickness
  • Stocked in 20' random lengths
  • Cut to length sizes
  • Suitable to hone sizes
  • Imperial and metric sizes
  • Custom sizes available upon request

Benefits of Drawn Over Mandrel (DOM) Round Mechanical Tubing:

  • Uniform wall thickness with close OD and ID tolerances
  • Uniform grain structure and controlled hardness
  • High Tensile and Yield Strength
  • Smooth and Clean OD and ID surfaces
  • Excellent machining characteristics
  • Applications: Hydraulic Cylinders, Axles, High Speed Shafts, Barrels, Bearings, Spacers, and many other machined tubular parts.

D.O.M. Steel Tubing

Test reports available on request.

ASTM A513 Type 5  

GradeChemistry       %YieldTensileElongationTypical Hardness


     PSIPSI% in 2" sectionMin
1020Carbon0.15-0.2560,00070,00010B-80

MN0.30-0.60




P0.040 Max




S0.050 Max



1026Carbon0.21-0.2875,00085,00015B-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" 
ASTM Seamless Steel Precision Tube Pipe
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