1026 DOM Steel Tube for Precision Machinery 30-426mm OD
Dom Steel Tubing 1026 Drawn Over Mandrel Steel Tube For Precision Machinery
Material
AISI 1026 is a medium-carbon steel known for its balanced combination of strength, ductility, and machinability. Produced via cold drawn over mandrel (DOM) processing, it achieves a refined surface finish and tight dimensional tolerances suitable for high-precision applications.
Specifications
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Grade: AISI/SAE 1026 (UNS G10260)
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Process: Cold Drawn Over Mandrel (DOM)
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Shape: Round tube
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Outside Diameter Tolerance: ±0.005″ (0.127 mm)
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Wall Thickness Tolerance: ±0.005″ (0.127 mm)
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Available Lengths: Cut lengths up to customer requirement or continuous coils
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Surface Finish: Maximum 32 μin Ra
Chemical Composition
| Grade | C (%) | Mn (%) | P (max) (%) | S (max) (%) | Si (%) | Balance Fe |
|---|---|---|---|---|---|---|
| 1026 | 0.220–0.280 | 0.60–0.90 | ≤ 0.040 | ≤ 0.050 | 0.15–0.35 | Remainder |
| 1018 | 0.150–0.200 | 0.60–0.90 | ≤ 0.040 | ≤ 0.050 | 0.15–0.30 | Remainder |
| 1030 | 0.270–0.340 | 0.60–0.90 | ≤ 0.040 | ≤ 0.050 | 0.15–0.35 | Remainder |
| 1045 | 0.420–0.500 | 0.60–0.90 | ≤ 0.040 | ≤ 0.050 | 0.15–0.35 | Remainder |
| 1050 | 0.470–0.550 | 0.60–0.90 | ≤ 0.040 | ≤ 0.050 | 0.15–0.35 | Remainder |
Mechanical Performance
| Grade | Tensile Strength (MPa) | Yield Strength (MPa) | Elongation (%) | Hardness |
|---|---|---|---|---|
| 1026 | 490 (71 100 psi) | 415 (60 200 psi) | 34 | ~149 HV |
| 1018 | 440 (63 800 psi) | 370 (53 700 psi) | 15 | ~120 HV |
| 1030 | 410–515 | 305–375 | 25–38 | ~150 HB |
| 1045 | 570–700 | 300–530 | 12–16 | 170–210 HB |
| 1050 | ~636 | ~365 | 15–23 | ~200 HB |
Main Features
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Exceptional Dimensional Accuracy: Tight OD and wall-thickness tolerances ensure precise fit.
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Superior Surface Finish: DOM process yields smooth, burr-free surfaces for reduced friction.
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Enhanced Straightness: Rigorous straightening produces minimal runout.
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Balanced Strength & Ductility: Medium-carbon content offers a strong yet formable tube.
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Excellent Machinability: Cold-drawn surfaces extend tool life and deliver fine finishes.
Standards
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ASTM A108: Cold-finished carbon steel bars and shafts
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EN 10277-1: Cold-drawn weldable steel precision tubes – General requirements
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GOST 8734-75: Seamless precision steel tubes
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JIS G3445: Steel pipes for precision mechanical applications
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GB/T 3639: Cold-drawn precision seamless steel tubes
Application Fields
DOM Steel Tubing 1026 is widely used across:
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Hydraulic Systems: Cylinder barrels, piston rods, and pressure lines for smooth actuation and leak-free performance.
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Pneumatic Equipment: Precision cylinders and guidance shafts for compressors and actuators.
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Automotive: Steering columns, transmission shafts, and suspension components demanding tight tolerances.
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Machine Tools: Guide rails, spindle shafts, and feed bars where straightness and finish are critical.
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General Precision Machinery: Rollers, dowel pins, and couplings in robotics, aerospace ground support, and measurement instruments.


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A: manufacturer,also can do trading.
Q: How long is your delivery time?
A: Generally speaking,it is 10-15 days if the goods are in stock,or it is 30-40 days if the goods are not in stock,
it is according to quantity.
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A: Yes, we could offer the sample for free charge but need pay the cost of freight.
Q: What is your terms of payment ?
A: Payment<=2000USD, 100% in advance. Payment>=2000USD, 30% T/T in advance ,balance before shippment.
If you have another question, pls feel free to contact with me.
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