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Pipe

Stainless Steel Pipes – ASTM A312 / ANSI B36.19

Integraflow supplies stainless steel pipes to ASTM A312 / ANSI B36.19, sourced from both European and Far Eastern mills, available in 304/304L and 316/316L grades with Schedule 10s and 40s wall thicknesses in welded form, and Schedule 10s, 40s, and 80s in seamless 316L, offering reliable corrosion resistance for hygienic, industrial, and process applications across the UK.

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Pipe

DN80 (3" NB) SCHEDULE 10s STAINLESS WELDED PIPE 316
Outside Diameter (OD): 88.9mm
Wall Thickness (WT): 3.05mm (Sch10)
Material: Stainless
Grade: 316
Standards: ASTM A312
Standard Length: 6 meter Random
Weight Per Meter: 6.5kg
Construction: Welded
Certification Available: 3.1 BS EN 10204 Material Certification

Note: Sold online only in 1 meter increments. Please get in touch for specific cutting requirements.
£ 266.63 266.63 GBP
DN80 (3" NB) SCHEDULE 40s STAINLESS SEAMLESS PIPE 304
Outside Diameter (OD): 88.9mm
Wall Thickness (WT): 5.49mm
Material: Stainless
Grade: 304
Standards: ASTM A312
Standard Length: 6 meter Random
Weight Per Meter: 11.36kg
Construction: Seamless
Certification Available: 3.1 BS EN 10204 Material Certification

Note: Sold online only in 1 meter increments. Please get in touch for specific cutting requirements.
Contact us for pricing 0.0 GBP
DN80 (3" NB) SCHEDULE 40s STAINLESS SEAMLESS PIPE 316
Outside Diameter (OD): 88.9mm
Wall Thickness (WT): 5.49mm
Material: Stainless
Grade: 316
Standards: ASTM A312
Standard Length: 6 meter Random
Weight Per Meter: 11.36kg
Construction: Seamless
Certification Available: 3.1 BS EN 10204 Material Certification

Note: Sold online only in 1 meter increments. Please get in touch for specific cutting requirements.
£ 465.50 465.5 GBP
DN80 (3" NB) SCHEDULE 40s STAINLESS WELDED PIPE 304
Outside Diameter (OD): 88.9mm
Wall Thickness (WT): 5.49mm (Sch40)
Material: Stainless
Grade: 304
Standards: ASTM A312
Standard Length: 6 meter Random
Weight Per Meter: 11.36kg
Construction: Welded
Certification Available: 3.1 BS EN 10204 Material Certification

Note: Sold online only in 1 meter increments. Please get in touch for specific cutting requirements.
£ 206.50 206.5 GBP
DN80 (3" NB) SCHEDULE 40s STAINLESS WELDED PIPE 316
Outside Diameter (OD): 88.9mm
Wall Thickness (WT): 5.49mm
Material: Stainless
Grade: 316
Standards: ASTM A312
Standard Length: 6 meter Random
Weight Per Meter: 11.36kg
Construction: Welded
Certification Available: 3.1 BS EN 10204 Material Certification

Note: Sold online only in 1 meter increments. Please get in touch for specific cutting requirements.
£ 498.26 498.26 GBP
DN80 (3" NB) SCHEDULE 80s STAINLESS SEAMLESS PIPE 304
Outside Diameter (OD): 88.9mm
Wall Thickness (WT): 7.62mm (Sch80)
Material: Stainless
Grade: 304
Standards: ASTM A312
Standard Length: 6 meter Random
Weight Per Meter: 15.50kg
Construction: Seamless
Certification Available: 3.1 BS EN 10204 Material Certification

Note: Sold online only in 1 meter increments. Please get in touch for specific cutting requirements.
Contact us for pricing 0.0 GBP
DN80 (3" NB) SCHEDULE 80s STAINLESS SEAMLESS PIPE 316
Outside Diameter (OD): 88.9mm
Wall Thickness (WT): 7.62mm (Sch80)
Material: Stainless
Grade: 316
Standards: ASTM A312
Standard Length: 6 meter Random
Weight Per Meter: 15.50kg
Construction: Seamless
Certification Available: 3.1 BS EN 10204 Material Certification

Note: Sold online only in 1 meter increments. Please get in touch for specific cutting requirements.
£ 1,207.92 1207.92 GBP
DN100 (4" NB) SCHEDULE 10s STAINLESS SEAMLESS PIPE 304
Outside Diameter (OD): 114.3mm
Wall Thickness (WT): 3.05mm (Sch10)
Material: Stainless
Grade: 304
Standards: ASTM A312
Standard Length: 6 meter Random
Weight Per Meter: 8.42kg
Construction: Seamless
Certification Available: 3.1 BS EN 10204 Material Certification

Note: Sold online only in 1 meter increments. Please get in touch for specific cutting requirements.
Contact us for pricing 0.0 GBP
DN100 (4" NB) SCHEDULE 10s STAINLESS SEAMLESS PIPE 316
Outside Diameter (OD): 114.3mm
Wall Thickness (WT): 3.05mm
Material: Stainless
Grade: 316
Standards: ASTM A312
Standard Length: 6 meter Random
Weight Per Meter: 8.42kg
Construction: Seamless
Certification Available: 3.1 BS EN 10204 Material Certification

Note: Sold online only in 1 meter increments. Please get in touch for specific cutting requirements.
£ 554.75 554.75 GBP
DN100 (4" NB) SCHEDULE 10s STAINLESS WELDED PIPE 304
Outside Diameter (OD): 114.3mm
Wall Thickness (WT): 3.05mm (Sch10)
Material: Stainless
Grade: 304
Standards: ASTM A312
Random Length: 6 meter Random
Weight Per Meter: 8.42kg
Construction: Welded
Certification Available: 3.1 BS EN 10204 Material Certification

Note: Sold online only in 1 meter increments. Please get in touch for specific cutting requirements.
£ 212.17 212.17 GBP
DN100 (4" NB) SCHEDULE 10s STAINLESS WELDED PIPE 316
Outside Diameter (OD): 114.3mm
Wall Thickness (WT): 3.05mm (Sch10)
Material: Stainless
Grade: 316
Standards: ASTM A312
Standard Length: 6 meter Random
Weight Per Meter: 8.42kg
Construction: Welded
Certification Available: 3.1 BS EN 10204 Material Certification

Note: Sold online only in 1 meter increments. Please get in touch for specific cutting requirements.
£ 290.50 290.5 GBP
DN100 (4" NB) SCHEDULE 40s STAINLESS SEAMLESS PIPE 304
Outside Diameter (OD): 114.3mm
Wall Thickness (WT): 6.02mm (Sch40)
Material: Stainless
Grade: 304
Standards: ASTM A312
Standard Length: 6 meters
Weight Per Meter: 16.32
Construction: Seamless
Certification Available: 3.1 BS EN 10204 Material Certification

Note: Sold online only in 1 meter increments. Please get in touch for specific cutting requirements.

Contact us for pricing 0.0 GBP
DN100 (4" NB) SCHEDULE 40s STAINLESS SEAMLESS PIPE 316
Outside Diameter (OD): 114.3mm
Wall Thickness (WT): 6.02mm
Material: Stainless
Grade: 316
Standards: ASTM A312
Standard Length: 6 meter Random
Weight Per Meter: 16.32kg
Construction: Seamless
Certification Available: 3.1 BS EN 10204 Material Certification

Note: Sold online only in 1 meter increments. Please get in touch for specific cutting requirements.
£ 1,269.03 1269.03 GBP
DN100 (4" NB) SCHEDULE 40s STAINLESS WELDED PIPE 304
Outside Diameter (OD): 114.3mm
Wall Thickness (WT): 6.02mm (Sch40)
Material: Stainless
Grade: 304
Standards: ASTM A312
Standard Length: 6 meter Random
Weight Per Meter: 16.07kg
Construction: Welded
Certification Available: 3.1 BS EN 10204 Material Certification

Note: Sold online only in 1 meter increments. Please get in touch for specific cutting requirements.
£ 287.00 287.0 GBP
DN100 (4" NB) SCHEDULE 40s STAINLESS WELDED PIPE 316
Outside Diameter (OD): 114.3mm
Wall Thickness (WT): 6.02mm (Sch40)
Material: Stainless
Grade: 316
Standards: ASTM A312
Standard Length: 6 meters
Weight Per Meter: 16.32
Construction: Welded
Certification Available: 3.1 BS EN 10204 Material Certification

Note: Sold online only in 1 meter increments. Please get in touch for specific cutting requirements.

£ 709.94 709.94 GBP
DN100 (4" NB) SCHEDULE 80s STAINLESS SEAMLESS PIPE 304
Outside Diameter (OD): 114.3mm
Wall Thickness (WT): 8.56mm (Sch80)
Material: Stainless
Grade: 304
Standards: ASTM A312
Standard Length: 6 meter Random
Weight Per Meter: 22.56kg
Construction: Seamless
Certification Available: 3.1 BS EN 10204 Material Certification

Note: Sold online only in 1 meter increments. Please get in touch for specific cutting requirements.
Contact us for pricing 0.0 GBP
DN100 (4" NB) SCHEDULE 80s STAINLESS SEAMLESS PIPE 316
Outside Diameter (OD): 114.3mm
Wall Thickness (WT): 8.56mm (Sch80)
Material: Stainless
Grade: 316
Standards: ASTM A312
Standard Length: 6 meter Random
Weight Per Meter: 22.56kg
Construction: Seamless
Certification Available: 3.1 BS EN 10204 Material Certification

Note: Sold online only in 1 meter increments. Please get in touch for specific cutting requirements.
£ 1,685.53 1685.53 GBP
DN125 (5" NB) SCHEDULE 10s STAINLESS WELDED PIPE 304
Outside Diameter (OD): 141.3mm
Wall Thickness (WT): 3.40mm (Sch10)
Material: Stainless
Grade: 304
Standards: ASTM A312
Standard Length: 6 meter Random
Weight Per Meter: 11.74kg
Construction: Welded
Certification Available: 3.1 BS EN 10204 Material Certification

Note: Sold online only in 1 meter increments. Please get in touch for specific cutting requirements.
£ 328.30 328.3 GBP
DN125 (5" NB) SCHEDULE 10s STAINLESS WELDED PIPE 316
Outside Diameter (OD): 141.3mm
Wall Thickness (WT): 3.40mm (Sch10)
Material: Stainless
Grade: 316
Standards: ASTM A312
Standard Length: 6 meter Random
Weight Per Meter: 11.74kg
Construction: Welded
Certification Available: 3.1 BS EN 10204 Material Certification

Note: Sold online only in 1 meter increments. Please get in touch for specific cutting requirements.
£ 561.33 561.33 GBP
DN125 (5" NB) SCHEDULE 40s STAINLESS WELDED PIPE 304
Outside Diameter (OD): 141.3mm
Wall Thickness (WT): 6.55mm (Sch40)
Material: Stainless
Grade: 304
Standards: ASTM A312
Standard Length: 6 meter Random
Weight Per Meter: 22.1kg
Construction: Welded
Certification Available: 3.1 BS EN 10204 Material Certification

Note: Sold online only in 1 meter increments. Please get in touch for specific cutting requirements.
£ 488.18 488.18 GBP
DN125 (5" NB) SCHEDULE 40s STAINLESS WELDED PIPE 316
Outside Diameter (OD): 141.3mm
Wall Thickness (WT): 6.55mm (Sch40)
Material: Stainless
Grade: 316
Standards: ASTM A312
Standard Length: 6 meters
Weight Per Meter: 22.1
Construction: Welded
Certification Available: 3.1 BS EN 10204 Material Certification

Note: Sold online only in 1 meter increments. Please get in touch for specific cutting requirements.

£ 881.58 881.58 GBP
DN150 (6" NB) SCHEDULE 10s STAINLESS WELDED PIPE 304
Outside Diameter (OD): 168.3mm
Wall Thickness (WT): 3.40mm (Sch10)
Material: Stainless
Grade: 304
Standards: ASTM A312
Standard Length: 6 meter Random
Weight Per Meter: 14.04kg
Construction: Welded
Certification Available: 3.1 BS EN 10204 Material Certification

Note: Sold online only in 1 meter increments. Please get in touch for specific cutting requirements.
£ 482.44 482.44 GBP
DN150 (6" NB) SCHEDULE 10s STAINLESS WELDED PIPE 316
Outside Diameter (OD): 168.3mm
Wall Thickness (WT): 3.40mm (Sch10)
Material: Stainless
Grade: 316
Standards: ASTM A312
Standard Length: 6 meter Random
Weight Per Meter: 14.04kg
Construction: Welded
Certification Available: 3.1 BS EN 10204 Material Certification

Note: Sold online only in 1 meter increments. Please get in touch for specific cutting requirements.
£ 567.70 567.7 GBP
DN150 (6" NB) SCHEDULE 40s STAINLESS WELDED PIPE 304
Outside Diameter (OD): 168.3mm
Wall Thickness (WT): 7.11mm (Sch40)
Material: Stainless
Grade: 304
Standards: ASTM A312
Standard Length: 6 meter Random
Weight Per Meter: 28.26kg
Construction: Welded
Certification Available: 3.1 BS EN 10204 Material Certification

Note: Sold online only in 1 meter increments. Please get in touch for specific cutting requirements.
£ 567.00 567.0 GBP
DN150 (6" NB) SCHEDULE 40s STAINLESS WELDED PIPE 316
Outside Diameter (OD): 168.3mm
Wall Thickness (WT): 7.11mm (Sch40)
Material: Stainless
Grade: 316
Standards: ASTM A312
Standard Length: 6 meters
Weight Per Meter: 28.69
Construction: Welded
Certification Available: 3.1 BS EN 10204 Material Certification

Note: Sold online only in 1 meter increments. Please get in touch for specific cutting requirements.

£ 482.44 482.44 GBP
DN200 (8" NB) SCHEDULE 10s STAINLESS WELDED PIPE 304
Outside Diameter (OD): 219.1mm
Wall Thickness (WT): 3.76mm (Sch10)
Material: Stainless
Grade: 304
Standards: ASTM A312
Random Length: 5.8 to 7.5 meter Random
Weight Per Meter: 20.1kg
Construction: Seamless
Certification Available: 3.1 BS EN 10204 Material Certification

Note: Sold online only in 1 meter increments. Please get in touch for specific cutting requirements.
£ 506.52 506.52 GBP
DN200 (8" NB) SCHEDULE 10s STAINLESS WELDED PIPE 316
Outside Diameter (OD): 219.1mm
Wall Thickness (WT): 3.76mm (Sch10)
Material: Stainless
Grade: 316
Standards: ASTM A312
Random Length: 5.8 to 7.5 meter Random
Weight Per Meter: 20.1kg
Construction: Seamless
Certification Available: 3.1 BS EN 10204 Material Certification

Note: Sold online only in 1 meter increments. Please get in touch for specific cutting requirements.
£ 624.05 624.05 GBP
DN200 (8" NB) SCHEDULE 40s STAINLESS WELDED PIPE 304
Outside Diameter (OD): 219.1mm
Wall Thickness (WT): 8.18mm (Sch40)
Material: Stainless
Grade: 304
Standards: ASTM A312
Standard Length: 6 meter Random
Weight Per Meter: 43.2kg
Construction: Welded
Certification Available: 3.1 BS EN 10204 Material Certification

Note: Sold online only in 1 meter increments. Please get in touch for specific cutting requirements.
£ 998.83 998.83 GBP
DN200 (8" NB) SCHEDULE 40s STAINLESS WELDED PIPE 316
Outside Diameter (OD): 219mm
Wall Thickness (WT): 8.18mm (Sch40)
Material: Stainless
Grade: 316
Standards: ASTM A312
Standard Length: 6 meters
Weight Per Meter: 43.2
Construction: Welded
Certification Available: 3.1 BS EN 10204 Material Certification

Note: Sold online only in 1 meter increments. Please get in touch for specific cutting requirements.

£ 1,877.12 1877.12 GBP
DN250 (10" NB) SCHEDULE 10s STAINLESS WELDED PIPE 304
Outside Diameter (OD): 273mm
Wall Thickness (WT): 4.19mm (Sch10)
Material: Stainless
Grade: 304
Standards: ASTM A312
Random Length: 5.8 to 7.5 meter Random
Weight Per Meter: 28.2kg
Construction: Seamless
Certification Available: 3.1 BS EN 10204 Material Certification

Note: Sold online only in 1 meter increments. Please get in touch for specific cutting requirements.
£ 719.95 719.95 GBP
DN250 (10" NB) SCHEDULE 10s STAINLESS WELDED PIPE 316
Outside Diameter (OD): 273mm
Wall Thickness (WT): 4.19mm (Sch10)
Material: Stainless
Grade: 316
Standards: ASTM A312
Random Length: 5.8 to 7.5 meter Random
Weight Per Meter: 28.2kg
Construction: Seamless
Certification Available: 3.1 BS EN 10204 Material Certification

Note: Sold online only in 1 meter increments. Please get in touch for specific cutting requirements.
£ 1,053.22 1053.22 GBP
DN250 (10" NB) SCHEDULE 40s STAINLESS WELDED PIPE 304
Outside Diameter (OD): 273mm
Wall Thickness (WT): 9.27mm (Sch40)
Material: Stainless
Grade: 304
Standards: ASTM A312
Standard Length: 6 meter Random
Weight Per Meter: 61.22kg
Construction: Welded
Certification Available: 3.1 BS EN 10204 Material Certification

Note: Sold online only in 1 meter increments. Please get in touch for specific cutting requirements.
£ 1,974.42 1974.42 GBP
DN250 (10" NB) SCHEDULE 40s STAINLESS WELDED PIPE 316
Outside Diameter (OD): 273mm
Wall Thickness (WT): 9.27mm (Sch40)
Material: Stainless
Grade: 316
Standards: ASTM A312
Standard Length: 6 meters
Weight Per Meter: 61.22
Construction: Welded
Certification Available: 3.1 BS EN 10204 Material Certification

Note: Sold online only in 1 meter increments. Please get in touch for specific cutting requirements.

£ 2,723.77 2723.77 GBP
DN300 (12" NB) SCHEDULE 10s STAINLESS WELDED PIPE 304
Outside Diameter (OD): 323.8mm
Wall Thickness (WT): 4.55mm (Sch10)
Material: Stainless
Grade: 304
Standards: ASTM A312
Random Length: 5.8 to 7.5 meter Random
Weight Per Meter: 28.2kg
Construction: Seamless
Certification Available: 3.1 BS EN 10204 Material Certification

Note: Sold online only in 1 meter increments. Please get in touch for specific cutting requirements.
£ 679.00 679.0 GBP
DN300 (12" NB) SCHEDULE 10s STAINLESS WELDED PIPE 316
Outside Diameter (OD): 323.8mm
Wall Thickness (WT): 4.55mm (Sch10)
Material: Stainless
Grade: 316
Standards: ASTM A312
Random Length: 5.8 to 7.5 meter Random
Weight Per Meter: 28.2kg
Construction: Seamless
Certification Available: 3.1 BS EN 10204 Material Certification

Note: Sold online only in 1 meter increments. Please get in touch for specific cutting requirements.
£ 1,513.05 1513.05 GBP
DN300 (12" NB) SCHEDULE 40s STAINLESS WELDED PIPE 304
Outside Diameter (OD): 323.9mm
Wall Thickness (WT): 9.53mm (Sch40)
Material: Stainless
Grade: 304
Standards: ASTM A312
Standard Length: 6 meter Random
Weight Per Meter: 80.9kg
Construction: Welded
Certification Available: 3.1 BS EN 10204 Material Certification

Note: Sold online only in 1 meter increments. Please get in touch for specific cutting requirements.
£ 1,940.61 1940.61 GBP
DN350 (14" NB) SCHEDULE 10s STAINLESS WELDED PIPE 304
Outside Diameter (OD): 355.6mm
Wall Thickness (WT): 4.78mm (Sch10)
Material: Stainless
Grade: 304
Standards: ASTM A312
Random Length: 5.8 to 7.5 meter Random
Weight Per Meter: 28.2kg
Construction: Seamless
Certification Available: 3.1 BS EN 10204 Material Certification

Note: Sold online only in 1 meter increments. Please get in touch for specific cutting requirements.
£ 927.08 927.08 GBP
DN350 (14" NB) SCHEDULE 10s STAINLESS WELDED PIPE 316
Outside Diameter (OD): 355.6mm
Wall Thickness (WT): 4.78mm (Sch10)
Material: Stainless
Grade: 316
Standards: ASTM A312
Random Length: 5.8 to 7.5 meter Random
Weight Per Meter: 28.2kg
Construction: Seamless
Certification Available: 3.1 BS EN 10204 Material Certification

Note: Sold online only in 1 meter increments. Please get in touch for specific cutting requirements.
£ 1,504.30 1504.3 GBP
DN400 (16" NB) SCHEDULE 10s STAINLESS WELDED PIPE 304
Outside Diameter (OD): 406.4mm
Wall Thickness (WT): 4.78mm (Sch10)
Material: Stainless
Grade: 304
Standards: ASTM A312
Random Length: 5.8 to 7.5 meter Random
Weight Per Meter: 47.29kg
Construction: Seamless
Certification Available: 3.1 BS EN 10204 Material Certification

Note: Sold online only in 1 meter increments. Please get in touch for specific cutting requirements.
£ 1,061.34 1061.34 GBP
DN400 (16" NB) SCHEDULE 10s STAINLESS WELDED PIPE 316
Outside Diameter (OD): 406.4mm
Wall Thickness (WT): 4.78mm (Sch10)
Material: Stainless
Grade: 316
Standards: ASTM A312
Random Length: 5.8 to 7.5 meter Random
Weight Per Meter: 47.29kg
Construction: Seamless
Certification Available: 3.1 BS EN 10204 Material Certification

Note: Sold online only in 1 meter increments. Please get in touch for specific cutting requirements.
£ 1,722.14 1722.14 GBP