GRADE GUIDE · A106
A106 is the seamless carbon steel pipe specification for high-temperature service — the standard line pipe of refineries, power plants and process skids, almost always encountered as Grade B with a 240 MPa yield minimum. Because it must be seamless, an A106 off-cut is a genuinely certified pressure-pipe remnant, not generic tube.
Also listed as: ASTM A106 Gr.B · ASME SA106 Gr.B · ≈ API 5L Gr.B (overlap)
Illustrative renderCarbon steel · balance_piece
OD 114.3 × 11.13 × 11700 mm · 331.32 kg
Dubai · Origin No · 3 pcs · Listed 14 Aug 2026
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Illustrative renderCarbon steel · balance_piece
OD 114.3 × 11.13 × 3690 mm · 104.49 kg
Dubai · Origin No · 1 pcs · Listed 14 Aug 2026
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Illustrative renderCarbon steel · balance_piece
OD 323.8 × 12.7 × 7200 mm · 701.55 kg
Dubai · Origin No · 1 pcs · Listed 14 Aug 2026
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Illustrative renderCarbon steel · balance_piece
OD 42.2 × 3.56 × 6000 mm · 20.35 kg
Dubai · Origin No · 1 pcs · Listed 14 Aug 2026
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Illustrative renderCarbon steel · balance_piece
OD 219.1 × 12.7 × 6000 mm · 387.87 kg
Dubai · Origin No · 1 pcs · Listed 14 Aug 2026
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Illustrative renderCarbon steel · balance_piece
OD 323.8 × 10.31 × 2000 mm · 159.42 kg
Dubai · Origin No · 1 pcs · Listed 14 Aug 2026
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Illustrative renderCarbon steel · balance_piece
OD 273 × 12.7 × 7800 mm · 635.9 kg
Dubai · Origin No · 1 pcs · Listed 14 Aug 2026
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Illustrative renderCarbon steel · balance_piece
OD 60.3 × 8.74 × 2000 mm · 22.23 kg
Dubai · Origin No · 1 pcs · Listed 14 Aug 2026
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Illustrative renderCarbon steel · balance_piece
OD 273 × 15.09 × 4000 mm · 383.92 kg
Dubai · Origin No · 1 pcs · Listed 14 Aug 2026
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Illustrative renderCarbon steel · balance_piece
OD 323.8 × 14.27 × 4900 mm · 533.76 kg
Dubai · Origin No · 1 pcs · Listed 14 Aug 2026
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Illustrative renderCarbon steel · balance_piece
OD 48.3 × 10.15 × 5900 mm · 56.34 kg
Dubai · Origin No · 1 pcs · Listed 14 Aug 2026
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Illustrative renderCarbon steel · balance_piece
OD 26.7 × 7.82 × 5400 mm · 19.66 kg
Dubai · Origin No · 1 pcs · Listed 14 Aug 2026
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Illustrative renderCarbon steel · balance_piece
OD 219.1 × 22.23 × 3360 mm · 362.64 kg
Dubai · Origin No · 1 pcs · Listed 14 Aug 2026
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Illustrative renderCarbon steel · balance_piece
OD 273 × 12.7 × 3700 mm · 301.65 kg
Dubai · Origin No · 1 pcs · Listed 14 Aug 2026
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Illustrative renderCarbon steel · balance_piece
OD 219.1 × 8.18 × 4000 mm · 170.2 kg
Dubai · Origin No · 1 pcs · Listed 14 Aug 2026
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Illustrative renderCarbon steel · balance_piece
OD 457 × 23.83 × 2300 mm · 585.5 kg
Dubai · Origin No · 1 pcs · Listed 14 Aug 2026
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Illustrative renderCarbon steel · balance_piece
OD 219.1 × 12.7 × 3200 mm · 206.86 kg
Dubai · Origin No · 1 pcs · Listed 14 Aug 2026
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Illustrative renderCarbon steel · balance_piece
OD 48.3 × 3.68 × 4550 mm · 18.43 kg
Dubai · Origin No · 1 pcs · Listed 14 Aug 2026
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Illustrative renderCarbon steel · balance_piece
OD 60.3 × 8.74 × 11560 mm · 128.47 kg
Dubai · Origin No · 2 pcs · Listed 14 Aug 2026
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Illustrative renderCarbon steel · balance_piece
OD 323.8 × 12.7 × 1480 mm · 144.21 kg
Dubai · Origin No · 1 pcs · Listed 14 Aug 2026
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Illustrative renderCarbon steel · balance_piece
OD 60.3 × 11.07 × 5150 mm · 69.22 kg
Dubai · Origin No · 1 pcs · Listed 14 Aug 2026
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Illustrative renderCarbon steel · balance_piece
OD 60.3 × 8.74 × 6000 mm · 66.68 kg
Dubai · Origin No · 2 pcs · Listed 14 Aug 2026
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Illustrative renderCarbon steel · balance_piece
OD 60.3 × 5.54 × 1750 mm · 13.09 kg
Dubai · Origin No · 1 pcs · Listed 14 Aug 2026
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Illustrative renderCarbon steel · balance_piece
OD 42.2 × 4.85 × 2100 mm · 9.38 kg
Dubai · Origin No · 1 pcs · Listed 14 Aug 2026
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Subject to Prior Sale and Final Availability Confirmation.
Most process piping in the Gulf is A106 Gr.B: steam, condensate, fuel gas, hydrocarbon lines running hot. The specification demands seamless manufacture and tight chemistry, so the material carries real traceability — schedule, heat number and mill certificate. Off-cut lengths suit exactly the jobs that generate them: spool repairs, nozzle stubs, tie-ins measured in centimetres rather than in 6-metre joints.
Buying surplus here needs three numbers checked, and every listing shows them: outside diameter, schedule (wall), and length. A516-style plate rules do not apply — pipe wall is the pressure boundary, so never substitute a lighter schedule than the line class calls for.
A106 is seamless-only with tighter chemistry, rated for high-temperature service; A53 permits welded (ERW) manufacture and covers ordinary air, water and steam duty. Where a line class says A106, A53 ERW is not a substitute.
SA106 is the ASME boiler-code adoption of the same specification. Material certified SA106 meets A106; code work (pressure vessels, power piping) requires the SA certificate.
Yes — pipework is joined from cut lengths as a matter of course. What matters is the certificate, the schedule matching the line class, and your welder's qualification, not the length of the piece.