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Nominal Bore

Nominal Bore Carbon Steel Pipe – A106, API 5L, EN10255

Integraflow supplies nominal bore carbon steel pipe in seamless and welded form to A106 Grade B, API 5L, and EN10255 specifications, with wall thicknesses including Schedule 20, 40, 80,160 and STD/XS/XXS, available in black varnished, self-colour, and galvanised finishes, suitable for industrial, mechanical, and pressure system applications.

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Nominal Bore

DN250 (10" NB) SCHEDULE 80 A106 GR.B SEAMLESS PIPE
Outside Diameter (OD): 273mm
Wall Thickness (WT): 15.09mm
Material: Carbon Steel Pipe
Grade: A106 B / P265GH
Standards: ASTM / ANSI Schedule 80 (True SCH80) ASME B36.10 / B36.19
Random Length: 5.8 to 7.5 meters
Weight Per Meter: 96 kg
Construction: Seamless
Certification Available: 3.1 BS EN 10204 Material Certification

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£392.01 per metre
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DN250 (10" NB) SCHEDULE XS A106 GR.B SEAMLESS PIPE
Outside Diameter (OD): 273mm
Wall Thickness (WT): 12.7mm
Material: Carbon Steel Pipe
Grade: A106 B / P265GH
Standards: ASTM / ANSI Schedule 80 (True SCH80) ASME B36.10 / B36.19
Random Length: 5.8 to 7.5 meters
Weight Per Meter: 81.53 kg
Construction: Seamless
Certification Available: 3.1 BS EN 10204 Material Certification

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DN300 (12" NB) SCHEDULE 20 API 5L GR.B WELDED PIPE
Outside Diameter (OD): 323.9mm
Wall Thickness (WT): 6.35mm
Material: Carbon Steel Pipe
Grade: API 5L / P265 GH
Standards: ASTM / ANSI Schedule 20 ASME B36.10 / B36.19
Random Length: 5.8 to 7.5 meters
Weight Per Meter: 49.71 kg
Construction: Welded
Certification Available: 3.1 BS EN 10204 Material Certification

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£156.00 per metre
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DN300 (12" NB) SCHEDULE 40 A106 GR.B SEAMLESS PIPE
Outside Diameter (OD): 323.8mm
Wall Thickness (WT): 10.31mm
Material: Carbon Steel Pipe
Grade: A106 B / P265GH
Standards: ASTM / ANSI Schedule 40 (True SCH40) ASME B36.10 / B36.19
Random Length: 5.8 to 7.5 meters
Weight Per Meter: 79.73 kg
Construction: Seamless
Certification Available: 3.1 BS EN 10204 Material Certification

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£330.78 per metre
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DN300 (12" NB) SCHEDULE 40 API 5L GR.B WELDED PIPE
Outside Diameter (OD): 323.9mm
Wall Thickness (WT): 10.31mm
Material: Carbon Steel Pipe
Grade: API 5L / P265 GH
Standards: ASTM / ANSI Schedule Standard Weight ASME B36.10 / B36.19 EN10217-2
Random Length: 5.8 to 7.5 meters
Weight Per Meter: 79.71 kg
Construction: Welded
Certification Available: 3.1 BS EN 10204 Material Certification

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£618.00 per metre
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DN300 (12" NB) SCHEDULE STD API 5L GR.B WELDED PIPE
Outside Diameter (OD): 323.9mm
Wall Thickness (WT): 9.53mm
Material: Carbon Steel Pipe
Grade: API 5L / P265 GH
Standards: ASTM / ANSI ASME B36.10 / B36.19 EN10217-2
Schedule: Standard Weight
Random Length: 5.8 to 7.5 meters
Weight Per Meter: 73.86 kg
Construction: Welded
Certification Available: 3.1 BS EN 10204 Material Certification

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£264.00 per metre
List Price – Sign in to view Trade Prices 264.0 GBP
DN300 (12" NB) SCHEDULE STD WT A106 GR.B SEAMLESS PIPE
Outside Diameter (OD): 323.8mm
Wall Thickness (WT): 9.53mm
Material: Carbon Steel Pipe
Grade: A106 B / P265GH
Standards: ASTM / ANSI Schedule Standard Weight ASME B36.10 / B36.19
Random Length: 5.8 to 7.5 meters
Weight Per Meter: 73.86 kg
Construction: Seamless
Certification Available: 3.1 BS EN 10204 Material Certification

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DN300 (12" NB) SCHEDULE XS A106 GR.B SEAMLESS PIPE
Outside Diameter (OD): 323.9mm
Wall Thickness (WT): 12.7mm
Material: Carbon Steel Pipe
Grade: A106 B
Standards: ASTM / ANSI Schedule Extra Strong ASME B36.10 / B36.19
Random Length: 5.8 to 7.5 meters
Weight Per Meter: 96 kg
Construction: Seamless
Certification Available: 3.1 BS EN 10204 Material Certification

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DN350 (14" NB) SCHEDULE 20 API 5L GR.B WELDED PIPE
Outside Diameter (OD): 355.6mm
Wall Thickness (WT): 7.92mm
Material: Carbon Steel Pipe
Grade: API 5L / P265 GH
Standards: ASTM / ANSI Schedule 20 ASME B36.10 / B36.19
Random Length: 5.8 to 7.5 meters
Weight Per Meter: 67.91 kg
Construction: Welded
Certification Available: 3.1 BS EN 10204 Material Certification

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DN350 (14" NB) SCHEDULE 40 A106 GR.B SEAMLESS PIPE
Outside Diameter (OD): 355.6mm
Wall Thickness (WT): 11.13mm
Material: Carbon Steel Pipe
Grade: A106 B / P265GH
Standards: ASTM / ANSI Schedule 40 (True SCH40) ASME B36.10 / B36.19
Random Length: 5.8 to 7.5 meters
Weight Per Meter: 94.55 kg
Construction: Seamless
Certification Available: 3.1 BS EN 10204 Material Certification

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Part of our Stainless Pipes and Tubes Range
£401.55 per metre
List Price – Sign in to view Trade Prices 401.55 GBP
DN350 (14" NB) SCHEDULE 40 API 5L GR.B WELDED PIPE
Outside Diameter (OD): 355.6mm
Wall Thickness (WT): 11.13mm
Material: Carbon Steel Pipe
Grade: API 5L / P265 GH
Standards: ASTM / ANSI Schedule Standard Weight ASME B36.10 / B36.19 EN10217-2
Random Length: 5.8 to 7.5 meters
Weight Per Meter: 94.55 kg
Construction: Welded
Certification Available: 3.1 BS EN 10204 Material Certification

Part of our Pipes and Tubes Range
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DN350 (14" NB) SCHEDULE STD API 5L GR.B WELDED PIPE
Outside Diameter (OD): 355.6mm
Wall Thickness (WT): 9.53mm
Material: Carbon Steel Pipe
Grade: API 5L / P265 GH
Standards: ASTM / ANSI Schedule Standard Weight ASME B36.10 / B36.19 EN10217-2
Random Length: 5.8 to 7.5 meters
Weight Per Meter: 81.33 kg
Construction: Welded
Certification Available: 3.1 BS EN 10204 Material Certification

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DN350 (14" NB) SCHEDULE STD/SCH30 WT A106 GR.B SEAMLESS PIPE
Outside Diameter (OD): 355.6mm
Wall Thickness (WT): 9.53mm
Material: Carbon Steel Pipe
Grade: A106 B / P265GH
Standards: ASTM / ANSI Schedule Standard Weight ASME B36.10 / B36.19
Random Length: 5.8 to 7.5 meters
Weight Per Meter: 81.33 kg
Construction: Seamless
Certification Available: 3.1 BS EN 10204 Material Certification

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DN400 (16" NB) SCHEDULE 20 API 5L GR.B WELDED PIPE
Outside Diameter (OD): 406.4mm
Wall Thickness (WT): 7.92mm
Material: Carbon Steel Pipe
Grade: API 5L / P265 GH
Standards: ASTM / ANSI Schedule 20 ASME B36.10 / B36.19
Random Length: 5.8 to 7.5 meters
Weight Per Meter: 77.83 kg
Construction: Welded
Certification Available: 3.1 BS EN 10204 Material Certification

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DN400 (16" NB) SCHEDULE 40 A106 GR.B SEAMLESS PIPE
Outside Diameter (OD): 406.4mm
Wall Thickness (WT): 12.7mm
Material: Carbon Steel Pipe
Grade: A106 B / P265GH
Standards: ASTM / ANSI Schedule 40 (True SCH40) ASME B36.10 / B36.19
Random Length: 5.8 to 7.5 meters
Weight Per Meter: 123.31 kg
Construction: Seamless
Certification Available: 3.1 BS EN 10204 Material Certification

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Part of our Stainless Pipes and Tubes Range
Contact us for pricing 0.0 GBP
DN400 (16" NB) SCHEDULE 40 API 5L GR.B WELDED PIPE
Outside Diameter (OD): 406.4mm
Wall Thickness (WT): 12.7mm
Material: Carbon Steel Pipe
Grade: API 5L / P265 GH
Standards: ASTM / ANSI Schedule Standard Weight ASME B36.10 / B36.19 EN10217-2
Random Length: 5.8 to 7.5 meters
Weight Per Meter: 123.31 kg
Construction: Welded
Certification Available: 3.1 BS EN 10204 Material Certification

Part of our Pipes and Tubes Range
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DN400 (16" NB) SCHEDULE STD API 5L GR.B WELDED PIPE
Outside Diameter (OD): 406.4mm
Wall Thickness (WT): 9.53mm
Material: Carbon Steel Pipe
Grade: API 5L / P265 GH
Standards: ASTM / ANSI Schedule Standard Weight ASME B36.10 / B36.19 EN10217-2
Random Length: 5.8 to 7.5 meters
Weight Per Meter: 93.27kg
Construction: Welded
Certification Available: 3.1 BS EN 10204 Material Certification

Part of our Pipes and Tubes Range
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DN400 (16" NB) SCHEDULE STD WT A106 GR.B SEAMLESS PIPE
Outside Diameter (OD): 406.4mm
Wall Thickness (WT): 9.53mm
Material: Carbon Steel Pipe
Grade: A106 B / P265GH
Standards: ASTM / ANSI Schedule Standard Weight ASME B36.10 / B36.19
Random Length: 5.8 to 7.5 meters
Weight Per Meter: 93.27 kg
Construction: Seamless
Certification Available: 3.1 BS EN 10204 Material Certification

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Part of our Stainless Pipes and Tubes Range
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DN450 (18" NB) SCHEDULE 20 API 5L GR.B WELDED PIPE
Outside Diameter (OD): 457mm
Wall Thickness (WT): 7.92mm
Material: Carbon Steel Pipe
Grade: API 5L / P265 GH
Standards: ASTM / ANSI Schedule 20 ASME B36.10 / B36.19
Random Length: 5.8 to 7.5 meters
Weight Per Meter: 87.71 kg
Construction: Welded
Certification Available: 3.1 BS EN 10204 Material Certification

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DN450 (18" NB) SCHEDULE 40 API 5L GR.B WELDED PIPE
Outside Diameter (OD): 457mm
Wall Thickness (WT): 14.27mm
Material: Carbon Steel Pipe
Grade: API 5L / P265 GH
Standards: ASTM / ANSI Schedule Standard Weight ASME B36.10 / B36.19 EN10217-2
Random Length: 5.8 to 7.5 meters
Weight Per Meter: 155.81 kg
Construction: Welded
Certification Available: 3.1 BS EN 10204 Material Certification

Part of our Pipes and Tubes Range
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DN450 (18" NB) SCHEDULE STD API 5L GR.B WELDED PIPE
Outside Diameter (OD): 457mm
Wall Thickness (WT): 9.53mm
Material: Carbon Steel Pipe
Grade: API 5L / P265 GH
Standards: ASTM / ANSI Schedule Standard Weight ASME B36.10 / B36.19 EN10217-2
Random Length: 5.8 to 7.5 meters
Weight Per Meter: 105.17kg
Construction: Welded
Certification Available: 3.1 BS EN 10204 Material Certification

Part of our Pipes and Tubes Range
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DN500 (20" NB) SCHEDULE 20 API 5L GR.B WELDED PIPE
Outside Diameter (OD): 508mm
Wall Thickness (WT): 9.53mm
Material: Carbon Steel Pipe
Grade: API 5L / P265 GH
Standards: ASTM / ANSI Schedule 20 ASME B36.10 / B36.19
Random Length: 5.8 to 7.5 meters
Weight Per Meter: 117.15 kg
Construction: Welded
Certification Available: 3.1 BS EN 10204 Material Certification

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DN500 (20" NB) SCHEDULE 40 API 5L GR.B WELDED PIPE
Outside Diameter (OD): 508mm
Wall Thickness (WT): 15.09mm
Material: Carbon Steel Pipe
Grade: API 5L / P265 GH
Standards: ASTM / ANSI Schedule Standard Weight ASME B36.10 / B36.19 EN10217-2
Random Length: 5.8 to 7.5 meters
Weight Per Meter: 183.43 kg
Construction: Welded
Certification Available: 3.1 BS EN 10204 Material Certification

Part of our Pipes and Tubes Range
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DN500 (20" NB) SCHEDULE STD API 5L GR.B WELDED PIPE
Outside Diameter (OD): 457mm
Wall Thickness (WT): 9.53mm
Material: Carbon Steel Pipe
Grade: API 5L / P265 GH
Standards: ASTM / ANSI Schedule Standard Weight ASME B36.10 / B36.19 EN10217-2
Random Length: 5.8 to 7.5 meters
Weight Per Meter: 117.15kg
Construction: Welded
Certification Available: 3.1 BS EN 10204 Material Certification

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DN600 (24" NB) SCHEDULE 20 API 5L GR.B WELDED PIPE
Outside Diameter (OD): 610mm
Wall Thickness (WT): 9.53mm
Material: Carbon Steel Pipe
Grade: API 5L / P265 GH
Standards: ASTM / ANSI Schedule 20 ASME B36.10 / B36.19
Random Length: 5.8 to 7.5 meters
Weight Per Meter: 141.12 kg
Construction: Welded
Certification Available: 3.1 BS EN 10204 Material Certification

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DN600 (24" NB) SCHEDULE 40 API 5L GR.B WELDED PIPE
Outside Diameter (OD): 610mm
Wall Thickness (WT): 17.48mm
Material: Carbon Steel Pipe
Grade: API 5L / P265 GH
Standards: ASTM / ANSI Schedule Standard Weight ASME B36.10 / B36.19 EN10217-2
Random Length: 5.8 to 7.5 meters
Weight Per Meter: 255.43 kg
Construction: Welded
Certification Available: 3.1 BS EN 10204 Material Certification

Part of our Pipes and Tubes Range
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DN600 (24" NB) SCHEDULE STD API 5L GR.B WELDED PIPE
Outside Diameter (OD): 610mm
Wall Thickness (WT): 9.53mm
Material: Carbon Steel Pipe
Grade: API 5L / P265 GH
Standards: ASTM / ANSI Schedule Standard Weight ASME B36.10 / B36.19 EN10217-2
Random Length: 5.8 to 7.5 meters
Weight Per Meter: 141.12kg
Construction: Welded
Certification Available: 3.1 BS EN 10204 Material Certification

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DN700 (28" NB) SCHEDULE 20 API 5L GR.B WELDED PIPE
Outside Diameter (OD): 711mm
Wall Thickness (WT): 12.7mm
Material: Carbon Steel Pipe
Grade: API 5L / P265 GH
Standards: ASTM / ANSI Schedule 20 ASME B36.10 / B36.19
Random Length: 5.8 to 7.5 meters
Weight Per Meter: 218.71 kg
Construction: Welded
Certification Available: 3.1 BS EN 10204 Material Certification

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DN700 (28" NB) STANDARD WEIGHT API 5L GR.B WELDED (LSAW) PIPE
Outside Diameter (OD): 711mm
Wall Thickness (WT): 9.53mm
Material: Carbon Steel Pipe
Grade: API 5L / P265 GH
Standards: ASTM / ANSI Standard Weight ASME B36.10 / B36.19
Random Length: 5.8 to 7.5 meters
Weight Per Meter: 164.86 kg
Construction: Welded
Certification Available: 3.1 BS EN 10204 Material Certification

Part of our Pipes and Tubes Range
£810.00 per metre
List Price – Sign in to view Trade Prices 810.0 GBP
DN800 (32" NB) STANDARD WEIGHT API 5L GR.B WELDED (LSAW) PIPE
Outside Diameter (OD): 813mm
Wall Thickness (WT): 9.53mm
Material: Carbon Steel Pipe
Grade: API 5L / P265 GH
Standards: ASTM / ANSI Standard Weight ASME B36.10 / B36.19
Random Length: 5.8 to 7.5 meters
Weight Per Meter: 188.83 kg
Construction: Welded
Certification Available: 3.1 BS EN 10204 Material Certification

Part of our Pipes and Tubes Range
£975.00 per metre
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M8/M10 (DUAL) FEMALE BOSSED BZP MILD STEEL BACKPLATE
M8 & M10 Metric Dual Threaded Backplate
Material: Mild Steel
Finish: Zinc Plated

Standards:
Nominal Bore, Threaded, Screwed, Low Pressure, 150 psi, EN10255, EN 10242 & EN 10226-1


Alternative terminology:
Threaded, Mild Steel, Zinc Plated, BZP, ZP, Female, Base plate, Backplate, Baseplate, Munsen Ring, Pipe Clip, Munson, Tube Clip, Screwed, Fittings.
Contact us for pricing 0.0 GBP
1/2" BSPP FEMALE BOSSED BLACK MALLEABLE BACKPLATE
1/2" BSPP Threaded Backplate
Material: Malleable Iron
Finish: Black Self Colour

Standards:
Nominal Bore, Threaded, Screwed, Low Pressure, 150 psi, Malleable Iron, EN 10242 & EN 10226-1




Alternative terminology:
Malleable, Iron, Threaded, Pipe Ring, Base plate, Backplate, Baseplate, Munsen Ring, Pipe Clip, Munson, Tube Clip, Screwed, Fittings.
£9.18 each
List Price – Sign in to view Trade Prices 9.18 GBP
1/4" BSPP FEMALE BOSSED BLACK MALLEABLE BACKPLATE
1/4" BSPP Threaded Backplate
Material: Malleable Iron
Finish: Black Self Colour

Standards:
Nominal Bore, Threaded, Screwed, Low Pressure, 150 psi, Malleable Iron, EN 10242 & EN 10226-1




Alternative terminology:
Malleable, Iron, Threaded, Pipe Ring, Base plate, Backplate, Baseplate, Munsen Ring, Pipe Clip, Munson, Tube Clip, Screwed, Fittings.
£1.77 each
List Price – Sign in to view Trade Prices 1.77 GBP
1/4" BSPP FEMALE BOSSED GALVANISED MALLEABLE BACKPLATE
1/4" BSPP Threaded Backplate
Material: Malleable Iron
Finish: Hot Dip Galvanised (HDG)

Standards:
Nominal Bore, Threaded, Screwed, Low Pressure, 150 psi, Malleable Iron, EN 10242 & EN 10226-1




Alternative terminology:
Malleable, Iron, Threaded, Pipe Ring, Base plate, Backplate, Baseplate, Munsen Ring, Pipe Clip, Munson, Tube Clip, Screwed, Fittings.
£2.49 each
List Price – Sign in to view Trade Prices 2.49 GBP
3/8" BSPP FEMALE BOSSED BLACK MALLEABLE BACKPLATE
3/8" BSPP Threaded Backplate
Material: Malleable Iron
Finish: Black Self Colour

Standards:
Nominal Bore, Threaded, Screwed, Low Pressure, 150 psi, Malleable Iron, EN 10242 & EN 10226-1




Alternative terminology:
Malleable, Iron, Threaded, Pipe Ring, Base plate, Backplate, Baseplate, Munsen Ring, Pipe Clip, Munson, Tube Clip, Screwed, Fittings.
£1.92 each
List Price – Sign in to view Trade Prices 1.92 GBP
3/8" BSPP FEMALE BOSSED GALVANISED MALLEABLE BACKPLATE
3/8" BSPP Threaded Backplate
Material: Malleable Iron
Finish: Hot Dip Galvanised (HDG)

Standards:
Nominal Bore, Threaded, Screwed, Low Pressure, 150 psi, Malleable Iron, EN 10242 & EN 10226-1




Alternative terminology:
Malleable, Iron, Threaded, Pipe Ring, Base plate, Backplate, Baseplate, Munsen Ring, Pipe Clip, Munson, Tube Clip, Screwed, Fittings.
£3.24 each
List Price – Sign in to view Trade Prices 3.24 GBP