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Nominal Bore

Stainless Steel Nominal Bore Pipework – 304 & 316 Systems

Integraflow supplies complete nominal bore stainless steel pipework systems in 304 and 316/L grades, including pipe, fittings, flanges, valves, and supports in welded, seamless, threaded, and socket weld configurations, ideal for corrosive, and industrial environments across food, pharmaceutical, chemical, and mechanical sectors.

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Nominal Bore

DN20 (3/4" NB) SCHEDULE 10s STAINLESS WELDED PIPE 316
Outside Diameter (OD): 26.7mm
Wall Thickness (WT): 2.11mm (Sch10)
Material: Stainless
Grade: 316
Standards: ASTM A312
Standard Length: 6 meters
Weight Per Meter: 1.30
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.

£ 56.70 56.7 GBP
DN20 (3/4" NB) SCHEDULE 40S ASA150 WELD NECK FLANGE SS 304
Outside diameter (O): 98.5mm
Flange thickness (C): 12.7mm
Hub length (X): 38.1mm
Neck height (A): 26.6mm
Pitch circle diameter (K): 69.8mm
Hub base diameter (Y): 52.3mm
Raised face height (RF): 15.5mm
Raised face diameter (R): 42.9mm
Number of bolt holes: 4
Material: 304 Stainless Steel
Rating: ASA 150
Type: Weld Neck Flange (ASME B16.5)

Standards: ASME B16.5
Flange Face: Raised Face
Certification Available: 3.1 BS EN 10204 Material Certification

Alternative terminology:
WN Flange, Welding Neck, ASA150, Stainless Steel, RF
£ 57.75 57.75 GBP
DN20 (3/4" NB) SCHEDULE 40S ASA150 WELD NECK FLANGE SS 316
Outside diameter (O): 98.5mm
Flange thickness (C): 12.7mm
Hub length (X): 38.1mm
Neck height (A): 26.6mm
Pitch circle diameter (K): 69.8mm
Hub base diameter (Y): 52.3mm
Raised face height (RF): 15.5mm
Raised face diameter (R): 42.9mm
Number of bolt holes: 4
Material: 316 Stainless Steel
Rating: ASA 150
Type: Weld Neck Flange (ASME B16.5)

Standards: ASME B16.5
Flange Face: Raised Face
Certification Available: 3.1 BS EN 10204 Material Certification

Alternative terminology:
WN Flange, Welding Neck, ASA150, Stainless Steel, RF
£ 52.99 52.99 GBP
DN20 (3/4" NB) SCHEDULE 40s STAINLESS SEAMLESS PIPE 304
Outside Diameter (OD): 26.9mm
Wall Thickness (WT): 2.87mm (Sch40)
Material: Stainless
Grade: 304
Standards: ASTM A312
Standard Length: 6 meters
Weight Per Meter: 1.71
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
DN20 (3/4" NB) SCHEDULE 40s STAINLESS SEAMLESS PIPE 316
Pipe Outside Diameter (OD): 26.9mm
Wall Thickness (WT): 2.87mm
Material: Stainless
Grade: 316
Standards: ASTM A312
Standard Length: 6 meter Random
Weight Per Meter: 1.7kg
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.
£ 90.65 90.65 GBP
DN20 (3/4" NB) SCHEDULE 40s STAINLESS WELDED PIPE 304
Outside Diameter (OD): 26.9mm
Wall Thickness (WT): 2.87mm (Sch40)
Material: Stainless
Grade: 304
Standards: ASTM A312
Standard Length: 6 meter Random
Weight Per Meter: 1.71kg
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.
£ 40.25 40.25 GBP
DN20 (3/4" NB) SCHEDULE 40s STAINLESS WELDED PIPE 316
Outside Diameter (OD): 26.9mm
Wall Thickness (WT): 2.87mm (Sch40)
Material: Stainless
Grade: 316
Standards: ASTM A312
Standard Length: 6 meters
Weight Per Meter: 1.71
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.

£ 76.79 76.79 GBP
DN20 (3/4" NB) SCHEDULE 80S ASA150 WELD NECK FLANGE SS 304
Outside diameter (O): 98.5mm
Flange thickness (C): 12.7mm
Hub length (X): 38.1mm
Neck height (A): 26.6mm
Pitch circle diameter (K): 69.8mm
Hub base diameter (Y): 52.3mm
Raised face height (RF): 15.5mm
Raised face diameter (R): 42.9mm
Number of bolt holes: 4
Material: Stainless Steel 304
Rating: ASA 150
Type: Weld Neck Flange (ASME B16.5)

Standards: ASME B16.5
Flange Face: Raised Face
Certification Available: 3.1 BS EN 10204 Material Certification

Alternative terminology:
WN Flange, Welding Neck, ASA150, Stainless Steel, RF
Contact us for pricing 0.0 GBP
DN20 (3/4" NB) SCHEDULE 80S ASA150 WELD NECK FLANGE SS 316
Outside diameter (O): 98.5mm
Flange thickness (C): 12.7mm
Hub length (X): 38.1mm
Neck height (A): 26.6mm
Pitch circle diameter (K): 69.8mm
Hub base diameter (Y): 52.3mm
Raised face height (RF): 15.5mm
Raised face diameter (R): 42.9mm
Number of bolt holes: 4
Material: Stainless Steel 316
Rating: ASA 150
Type: Weld Neck Flange (ASME B16.5)

Standards: ASME B16.5
Flange Face: Raised Face
Certification Available: 3.1 BS EN 10204 Material Certification

Alternative terminology:
WN Flange, Welding Neck, ASA150, Stainless Steel, RF
Contact us for pricing 0.0 GBP
DN20 (3/4" NB) SCHEDULE 80s STAINLESS SEAMLESS PIPE 304
Pipe Outside Diameter (OD): 26.9mm
Wall Thickness (WT): 3.91mm (Sch80)
Material: Stainless
Grade: 304
Standards: ASTM A312
Standard Length: 6 meter Random
Weight Per Meter: 2.20kg
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
DN20 (3/4" NB) SCHEDULE 80s STAINLESS SEAMLESS PIPE 316
Pipe Outside Diameter (OD): 26.9mm
Wall Thickness (WT): 3.91mm (Sch80)
Material: Stainless
Grade: 316
Standards: ASTM A312
Standard Length: 6 meter Random
Weight Per Meter: 2.20kg
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.
£ 123.83 123.83 GBP
DN20 (3/4" NB) SOCKET WELD 3000# ELBOW 90° SS 316
Both sides: 3/4" Socket Weld
Suits an outside diameter (OD) of: 26.9mm
Material: Stainless 316

Standards:
Nominal Bore, Socket Weld, High Pressure, 3000 psi, 3000 lb, Class 3000, Forged Stainless, ANSI B16.11/BS3799

Applications:
High Pressure Applications, Steam, Chemicals, Water, Oil & Gasses*

Alternative terminology:
Forged, Stainless, Socket Weld, 90, 90° Elbow, Fittings.
£ 63.14 63.14 GBP
DN20 (3/4" NB) SOCKET WELD 3000# FULL COUPLING SS 316
Both sides: 3/4" Socket Weld
Suits an outside diameter (OD) of: 26.9mm
Material: Stainless 316

Standards:
Nominal Bore, Socket Weld, High Pressure, 3000 psi, 3000 lb, Class 3000, Forged Stainless, ANSI B16.11/BS3799

Applications:
High Pressure Applications, Steam, Chemicals, Water, Oil & Gasses*

Alternative terminology:
Forged, Stainless, Socket Weld, Coupling, Socket, Straight, Equal.
£ 40.81 40.81 GBP
DN20 (3/4" NB) SW 150# ELBOW 45° SS 316
Thread: 3/4" SW (Socket Weld)
Suits an outside diameter (OD) of: 26.9mm
Material: Stainless
Grade: 316
Elbow Angle: 45° (Degree)

Standards:
Nominal Bore, Socket Weld, Elbow, 45°, 45 Deg, Weldable, Low Pressure, 150 psi
£ 15.54 15.54 GBP
DN20 (3/4" NB) SW 150# ELBOW 90° SS 316
Thread: 3/4" SW (Socket Weld)
Suits an outside diameter (OD) of: 26.9mm
Material: Stainless
Grade: 316
Elbow Angle: 90° (Degree)

Standards:
Nominal Bore, Socket Weld, Elbow, 90°, 90 Deg, Weldable, Low Pressure, 150 psi
£ 14.98 14.98 GBP
DN20 (3/4" NB) SW 150# (FXF) CONE SEAT UNION SS 316
Thread: 3/4" SW (Socket Weld)
Suits an outside diameter (OD) of: 26.7mm
Material: Stainless
Grade: 316
£ 24.43 24.43 GBP
DN20 (3/4" NB) SW 150# EQUAL FULL SOCKET SS 316
Connection: 3/4" SW (Socket Weld)
Suits an outside diameter (OD) of: 26.7mm
Material: Stainless
Grade: 316
£ 14.35 14.35 GBP
DN20 (3/4" NB) SW 150# EQUAL TEE SS 316
Thread: 3/4" SW (Socket Weld)
Suits an outside diameter of 26.7mm

Material: Stainless
Grade: 316

Standards:
Nominal Bore, SW (Socket Weld), Equal, Tee, Tee Piece, Weldable, Low Pressure, 150 psi
£ 18.34 18.34 GBP
DN20 (3/4" NB) SW 150# ROUND CAP SS 316
Thread: 3/4" SW (Socket Weld)
Suits an outside diameter (OD) of: 26.7mm
Material: Stainless
Grade: 316
Standards:
Nominal Bore, SW (Socket Weld), Weldable, Low Pressure, 150 psi

Alternative terminology:
SW Cap, Termination, Blanking Cap, Cap End
£ 10.36 10.36 GBP
DN20 (3/4" NB) SW 3000# EQUAL COUPLING SS 316
Connection: 3/4" SW
Suits an outside diameter (OD) of: 26.9mm
Material: Forged Stainless Steel
Grade: 316
Construction: Forged Stainless
Certification Available: 3.1 BS EN 10204 Material Certification

Alternative terminology:
Coupling, Socket, Straight, Connector, Stainless Steel
£ 41.58 41.58 GBP
DN20 (3/4" NB) SW 3000# EQUAL TEE SS 316
Connection: 3/4" SW (Socket Weld)
Suits an outside diameter (OD) of: 26.9mm
Material: Forged Stainless Steel
Grade: 316
Construction: Forged
Certification Available: 3.1 BS EN 10204 Material Certification

Alternative terminology:
Equal Tee, Stainless Steel
£ 134.89 134.89 GBP
DN20 (3/4" NB) SW 3000# HALF COUPLING SS 316
Connection: 3/4" SW (Socket Weld)
Suits an outside diameter (OD) of: 26.9mm
Material: Forged Stainless Steel
Grade: 316
Construction: Forged
Certification Available: 3.1 BS EN 10204 Material Certification

Alternative terminology:
Half Coupling, Half Socket, Straight, Connector, Stainless Steel
£ 39.34 39.34 GBP
DN20 (3/4" NB) SW 3000# ROUND CAP END SS 316
Connection: 3/4" SW (Socket Weld)
Suits an outside diameter (OD) of: 26.9mm
Material: Forged Stainless Steel
Grade: 316
Construction: Forged
Certification Available: 3.1 BS EN 10204 Material Certification

Alternative terminology:
Round Cap End, Blanking, Termination, Stainless Steel
£ 34.51 34.51 GBP
DN20 (3/4" NB) U-BOLT C.W NUTS SS 304 (A2)
Suits an outside diameter (OD) of: 26.9mm
Material: Stainless Steel 304 (A2)
Thread: M6
Comes with 2x Nuts
Contact us for pricing 0.0 GBP
DN20 (3/4" NB) U-BOLT C.W NUTS SS 316 (A4)
Suits an outside diameter (OD) of: 26.9mm
Material: Stainless Steel 316 (A4)
Thread: M6
Comes with 2x Nuts
Contact us for pricing 0.0 GBP
DN20 (3/4" NB) UN-BOSSED SPLIT BAND HANGER SS 304
Suits an outside diameter (OD) of: 26.9mm
Band width: 25mm
Band thickness: 3mm
Bolt Size: M6
Material: Stainless Steel
Grade: 304
Contact us for pricing 0.0 GBP
DN20 (¾" NB) BSPT 3000# FXF ELBOW 45° SS 316
Thread: ¾" BSPT Female
Suits an outside diameter (OD) of: 26.9mm
Material: Forged Stainless Steel
Grade: 316
Construction: Forged
Certification Available: 3.1 BS EN 10204 Material Certification

Alternative terminology:
Elbow, FXF, 45°, 45 Degree, Stainless Steel
£ 88.20 88.2 GBP
DN20 (¾" NB) BSPT 3000# FXF ELBOW 90° SS 316
Thread: ¾" BSPT Female
Suits an outside diameter (OD) of: 26.9mm
Material: Forged Stainless Steel
Grade: 316
Construction: Forged
Certification Available: 3.1 BS EN 10204 Material Certification

Alternative terminology:
Elbow, FXF, 90°, 90 Degree, Stainless Steel
£ 94.92 94.92 GBP
DN20 (¾" NB) NPT 3000# FXF ELBOW 45° SS 316
Thread: ¾" NPT Female
Suits an outside diameter (OD) of: 26.9mm
Material: Forged Stainless Steel
Grade: 316
Construction: Forged
Certification Available: 3.1 BS EN 10204 Material Certification

Alternative terminology:
Elbow, FXF, 45°, 45 Degree, Stainless Steel
£ 88.20 88.2 GBP
DN20 (¾" NB) NPT 3000# FXF ELBOW 90° SS 316
Thread: ¾" NPT Female
Suits an outside diameter (OD) of: 26.9mm
Material: Forged Stainless Steel
Grade: 316
Construction: Forged
Certification Available: 3.1 BS EN 10204 Material Certification

Alternative terminology:
Elbow, FXF, 90°, 90 Degree, Stainless Steel
£ 100.87 100.87 GBP
DN20 (¾" NB) SCHEDULE 10S A403 SEAMLESS EQUAL TEE SS 304
Outside Diameter (OD): 26.7mm
Wall Thickness: 2.87mm
Centre to End: 28.6mm
Schedule: 10S
Weight: 0.16kg

Material: Stainless Steel
Material Grade: ASTM A403

Certification Available: 3.1 BS EN 10204 Material Certification

Alternative Terminology: Buttweld Tee, Equal Tee, LR, Welding Tee, Weldable
Contact us for pricing 0.0 GBP
DN20 (¾" NB) SCHEDULE 10S A403 SEAMLESS EQUAL TEE SS 316
Outside Diameter (OD): 26.7mm
Wall Thickness: 2.87mm
Centre to End: 28.6mm
Schedule: 10S
Weight: 0.16kg

Material: Stainless Steel
Material Grade: ASTM A403

Certification Available: 3.1 BS EN 10204 Material Certification

Alternative Terminology: Buttweld Tee, Equal Tee, LR, Welding Tee, Weldable
Contact us for pricing 0.0 GBP
DN20 (¾" NB) SCHEDULE 10S A403 SEAMLESS LONG RADIUS 45 DEG ELBOW SS 304
Outside Diameter (OD): 27.0mm
Wall Thickness: 2.87mm

Schedule: A403 Seamless
Weight: 0.05kg

Material: Stainless Steel
Material Grade: 304

Certification Available: 3.1 BS EN 10204 Material Certification

Alternative Terminology: Buttweld Elbow, Long Radius, 45°, LR, Bend, Weldable
Contact us for pricing 0.0 GBP
DN20 (¾" NB) SCHEDULE 10S A403 SEAMLESS LONG RADIUS 45 DEG ELBOW SS 316
Outside Diameter (OD): 27.0mm
Wall Thickness: 2.87mm

Schedule: A403 Seamless
Weight: 0.05kg

Material: Stainless Steel
Material Grade: 316

Certification Available: 3.1 BS EN 10204 Material Certification

Alternative Terminology: Buttweld Elbow, Long Radius, 45°, LR, Bend, Weldable
Contact us for pricing 0.0 GBP
DN20 (¾" NB) SCHEDULE 10S A403 SEAMLESS LONG RADIUS 90 DEG ELBOW SS 304
Outside Diameter (OD): 26.7mm
Wall Thickness: 2.87mm
Centre to Face: 28.6mm
Schedule: A403 Seamless
Weight: 0.08kg

Material: Stainless Steel
Material Grade: 304

Certification Available: 3.1 BS EN 10204 Material Certification

Alternative Terminology: Buttweld Elbow, Long Radius, 90°, LR, Bend, Weldable
Contact us for pricing 0.0 GBP
DN20 (¾" NB) SCHEDULE 10S A403 SEAMLESS LONG RADIUS 90 DEG ELBOW SS 316
Outside Diameter (OD): 26.7mm
Wall Thickness: 2.87mm
Centre to Face: 28.6mm
Schedule: A403 Seamless
Weight: 0.08kg

Material: Stainless Steel
Material Grade: 316

Certification Available: 3.1 BS EN 10204 Material Certification

Alternative Terminology: Buttweld Elbow, Long Radius, 90°, LR, Bend, Weldable
Contact us for pricing 0.0 GBP
DN20 (¾" NB) SCHEDULE 10S A403 SEAMLESS SHORT RADIUS 90 DEG ELBOW SS 304
Outside Diameter (OD): 27.0mm
Wall Thickness: 2.87mm
Centre to Face: 19.0mm
Schedule: A403 Seamless
Weight: 0.05kg

Material: Stainless Steel
Material Grade: 304

Certification Available: 3.1 BS EN 10204 Material Certification

Alternative Terminology: Buttweld Elbow, Short Radius, 90°, SR, Bend, Weldable
Contact us for pricing 0.0 GBP
DN20 (¾" NB) SCHEDULE 10S A403 SEAMLESS SHORT RADIUS 90 DEG ELBOW SS 316
Outside Diameter (OD): 27.0mm
Wall Thickness: 2.87mm
Centre to Face: 19.0mm
Schedule: A403 Seamless
Weight: 0.05kg

Material: Stainless Steel
Material Grade: 316

Certification Available: 3.1 BS EN 10204 Material Certification

Alternative Terminology: Buttweld Elbow, Short Radius, 90°, SR, Bend, Weldable
Contact us for pricing 0.0 GBP
DN20 (¾" NB) SCHEDULE 10S A403 WELDED EQUAL TEE SS 304
Outside Diameter (OD): 26.7mm
Wall Thickness: 2.87mm
Centre to End: 28.6mm
Schedule: 10S
Weight: 0.16kg

Material: Stainless Steel
Material Grade: ASTM A403

Certification Available: 3.1 BS EN 10204 Material Certification

Alternative Terminology: Buttweld Tee, Equal Tee, LR, Welding Tee, Weldable
£ 25.55 25.55 GBP
DN20 (¾" NB) SCHEDULE 10S A403 WELDED EQUAL TEE SS 316
Outside Diameter (OD): 26.7mm
Wall Thickness: 2.87mm
Centre to End: 28.6mm
Schedule: 10S
Weight: 0.16kg

Material: Stainless Steel
Material Grade: ASTM A403

Certification Available: 3.1 BS EN 10204 Material Certification

Alternative Terminology: Buttweld Tee, Equal Tee, LR, Welding Tee, Weldable
£ 27.23 27.23 GBP