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Stainless

Nominal Bore Stainless Steel Pipework – 304 & 316 Grades

Integraflow offers a complete range of nominal bore stainless steel pipework systems in 304 and 316/L grades, including pipe, fittings, flanges, valves, and supports in welded, seamless, and threaded configurations, designed for durability, corrosion resistance, and compatibility across industrial, hygienic, and mechanical applications.

DN25 (1" NB) SCHEDULE 10S A403 SEAMLESS LONG RADIUS 45 DEG ELBOW SS 304
Outside Diameter (OD): 33.4mm
Wall Thickness: 2.77mm

Schedule: A403 Seamless
Weight: 0.1kg

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
DN25 (1" NB) SCHEDULE 10S A403 SEAMLESS LONG RADIUS 45 DEG ELBOW SS 316
Outside Diameter (OD): 33.4mm
Wall Thickness: 2.77mm

Schedule: A403 Seamless
Weight: 0.1kg

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
DN25 (1" NB) SCHEDULE 10S A403 SEAMLESS LONG RADIUS 90 DEG ELBOW SS 304
Outside Diameter (OD): 33.4mm
Wall Thickness: 2.77mm
Centre to Face: 38.1mm
Schedule: A403 Seamless
Weight: 0.15kg

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
DN25 (1" NB) SCHEDULE 10S A403 SEAMLESS LONG RADIUS 90 DEG ELBOW SS 316
Outside Diameter (OD): 33.4mm
Wall Thickness: 2.77mm
Centre to Face: 38.1mm
Schedule: A403 Seamless
Weight: 0.15kg

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
DN25 (1" NB) SCHEDULE 10S A403 SEAMLESS SHORT RADIUS 90 DEG ELBOW SS 304
Outside Diameter (OD): 33.4mm
Wall Thickness: 2.77mm
Centre to Face: 25.4mm
Schedule: A403 Seamless
Weight: 0.1kg

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
DN25 (1" NB) SCHEDULE 10S A403 SEAMLESS SHORT RADIUS 90 DEG ELBOW SS 316
Outside Diameter (OD): 33.4mm
Wall Thickness: 2.77mm
Centre to Face: 25.4mm
Schedule: A403 Seamless
Weight: 0.1kg

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
DN25 (1" NB) SCHEDULE 10S A403 WELDED EQUAL TEE SS 304
Outside Diameter (OD): 33.4mm
Wall Thickness: 3.38mm
Centre to End: 38.1mm
Schedule: 10S
Weight: 0.35kg

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
£ 26.46 26.46 GBP
DN25 (1" NB) SCHEDULE 10S A403 WELDED EQUAL TEE SS 316
Outside Diameter (OD): 33.4mm
Wall Thickness: 3.38mm
Centre to End: 38.1mm
Schedule: 10S
Weight: 0.35kg

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
£ 32.27 32.27 GBP
DN25 (1" NB) SCHEDULE 10S A403 WELDED LONG RADIUS 45 DEG ELBOW SS 304
Outside Diameter (OD): 33.4mm
Wall Thickness: 2.77mm

Schedule: A403 Welded
Weight: 0.1kg

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
£ 18.69 18.69 GBP
DN25 (1" NB) SCHEDULE 10S A403 WELDED LONG RADIUS 45 DEG ELBOW SS 316
Outside Diameter (OD): 33.4mm
Wall Thickness: 2.77mm

Schedule: A403 Welded
Weight: 0.1kg

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
£ 12.81 12.81 GBP
DN25 (1" NB) SCHEDULE 10S A403 WELDED LONG RADIUS 90 DEG ELBOW SS 304
Outside Diameter (OD): 33.4mm
Wall Thickness: 2.77mm
Centre to Face: 38.1mm
Schedule: A403 Welded
Weight: 0.15kg

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
£ 12.74 12.74 GBP
DN25 (1" NB) SCHEDULE 10S A403 WELDED LONG RADIUS 90 DEG ELBOW SS 316
Outside Diameter (OD): 33.4mm
Wall Thickness: 2.77mm
Centre to Face: 38.1mm
Schedule: A403 Welded
Weight: 0.15kg

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
£ 15.68 15.68 GBP
DN25 (1" NB) SCHEDULE 10S A403 WELDED SHORT RADIUS 90 DEG ELBOW SS 304
Outside Diameter (OD): 33.4mm
Wall Thickness: 2.77mm
Centre to Face: 25.4mm
Schedule: A403 Welded
Weight: 0.1kg

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
£ 18.69 18.69 GBP
DN25 (1" NB) SCHEDULE 10S A403 WELDED SHORT RADIUS 90 DEG ELBOW SS 316
Outside Diameter (OD): 33.4mm
Wall Thickness: 2.77mm
Centre to Face: 25.4mm
Schedule: A403 Welded
Weight: 0.1kg

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
£ 12.81 12.81 GBP
DN25 (1" NB) SCHEDULE 10S ASA150 WELD NECK FLANGE SS 304
Outside diameter (O): 107.9mm
Flange thickness (C): 14.2mm
Hub length (X): 49.2mm
Neck height (A): 33.5mm
Pitch circle diameter (K): 79.2mm
Hub base diameter (Y): 55.6mm
Raised face height (RF): 15.5mm
Raised face diameter (R): 50.8mm
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

Part of our Flanges and Flanged Connections Range
£ 42.63 42.63 GBP
DN25 (1" NB) SCHEDULE 10S ASA150 WELD NECK FLANGE SS 316
Outside diameter (O): 107.9mm
Flange thickness (C): 14.2mm
Hub length (X): 49.2mm
Neck height (A): 33.5mm
Pitch circle diameter (K): 79.2mm
Hub base diameter (Y): 55.6mm
Raised face height (RF): 15.5mm
Raised face diameter (R): 50.8mm
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

Part of our Flanges and Flanged Connections Range
£ 69.51 69.51 GBP
DN25 (1" NB) SCHEDULE 10s STAINLESS SEAMLESS PIPE 304
Outside Diameter (OD): 33.4mm
Wall Thickness (WT): 2.77mm (Sch10)
Material: Stainless
Grade: 304
Standards: ASTM A312
Standard Length: 6 meters
Weight Per Meter: 2.71
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.



Part of our Stainless Pipes and Tubes Range
Contact us for pricing 0.0 GBP
DN25 (1" NB) SCHEDULE 10s STAINLESS SEAMLESS PIPE 316
Outside Diameter (OD): 33.4mm
Wall Thickness (WT): 2.77mm (Sch10)
Material: Stainless
Grade: 316
Standards: ASTM A312
Standard Length: 6 meters
Weight Per Meter: 2.71
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.



Part of our Stainless Pipes and Tubes Range
Contact us for pricing 0.0 GBP
DN25 (1" NB) SCHEDULE 10s STAINLESS WELDED PIPE 304
Outside Diameter (OD): 33.4mm
Wall Thickness (WT): 2.77mm (Sch10)
Material: Stainless
Grade: 304
Standards: ASTM A312
Random Length: 6 meters
Weight Per Meter: 2.71
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.



Part of our Stainless Pipes and Tubes Range
£ 47.60 47.6 GBP
DN25 (1" NB) SCHEDULE 10s STAINLESS WELDED PIPE 316
Outside Diameter (OD): 33.4mm
Wall Thickness (WT): 2.77mm (Sch10)
Material: Stainless
Grade: 316
Standards: ASTM A312
Standard Length: 6 meters
Weight Per Meter: 2.71
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.



Part of our Stainless Pipes and Tubes Range
£ 71.96 71.96 GBP
DN25 (1" NB) SCHEDULE 10s WELDED ELBOW 45° SS 304
Outside Diameter (OD): 33.4mm
Wall Thickness (WT): 2.77mm
Material: Stainless
Grade: 304
Standards: ANSI B16.9
Radius: 1.5D
Angle: 45 Degree
Construction: Welded
Certification Available: 3.1 BS EN 10204 Material Certification
£ 10.50 10.5 GBP
DN25 (1" NB) SCHEDULE 10s WELDED ELBOW 45° SS 316
Outside Diameter (OD): 33.4mm
Wall Thickness (WT): 2.77mm
Material: Stainless
Grade: 316
Standards: ANSI B16.9
Radius: 1.5D
Angle: 45 Degree
Construction: Welded
Certification Available: 3.1 BS EN 10204 Material Certification
£ 11.55 11.55 GBP
DN25 (1" NB) SCHEDULE 10s WELDED ELBOW 90° SS 304
Outside Diameter (OD): 33.4mm
Wall Thickness (WT): 2.77mm
Material: Stainless
Grade: 304
Standards: ANSI B16.9
Radius: Long 1.5D
Angle: 90 Degree
Construction: Welded
Certification Available: 3.1 BS EN 10204 Material Certification
£ 15.82 15.82 GBP
DN25 (1" NB) SCHEDULE 10s WELDED ELBOW 90° SS 316
Outside Diameter (OD): 33.4mm
Wall Thickness (WT): 2.77mm
Material: Stainless
Grade: 316
Standards: ANSI B16.9
Radius: Long 1.5D
Angle: 90 Degree
Construction: Welded
Certification Available: 3.1 BS EN 10204 Material Certification
£ 15.82 15.82 GBP
DN25 (1" NB) SCHEDULE 40S A403 SEAMLESS EQUAL TEE SS 304
Outside Diameter (OD): 33.4mm
Wall Thickness: 3.38mm
Centre to End: 38.1mm
Schedule: 40s
Weight: 0.35kg

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
£ 30.17 30.17 GBP
DN25 (1" NB) SCHEDULE 40S A403 SEAMLESS EQUAL TEE SS 316
Outside Diameter (OD): 33.4mm
Wall Thickness: 3.38mm
Centre to End: 38.1mm
Schedule: 40s
Weight: 0.35kg

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
£ 38.43 38.43 GBP
DN25 (1" NB) SCHEDULE 40S A403 SEAMLESS LONG RADIUS 90 DEG ELBOW SS 304
Outside Diameter (OD): 33.4mm
Wall Thickness: 3.38mm
Centre to Face: 38.1mm
Schedule: A403 Seamless
Weight: 0.15kg

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
DN25 (1" NB) SCHEDULE 40S A403 SEAMLESS LONG RADIUS 90 DEG ELBOW SS 316
Outside Diameter (OD): 33.4mm
Wall Thickness: 3.38mm
Centre to Face: 38.1mm
Schedule: A403 Seamless
Weight: 0.15kg

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
DN25 (1" NB) SCHEDULE 40S A403 SEAMLESS SHORT RADIUS 90 DEG ELBOW SS 304
Outside Diameter (OD): 33.4mm
Wall Thickness: 3.38mm
Centre to Face: 25.4mm
Schedule: A403 Seamless
Weight: 0.1kg

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
DN25 (1" NB) SCHEDULE 40S A403 SEAMLESS SHORT RADIUS 90 DEG ELBOW SS 316
Outside Diameter (OD): 33.4mm
Wall Thickness: 3.38mm
Centre to Face: 25.4mm
Schedule: A403 Seamless
Weight: 0.1kg

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
DN25 (1" NB) SCHEDULE 40S A403 WELDED EQUAL TEE SS 304
Outside Diameter (OD): 33.4mm
Wall Thickness: 3.38mm
Centre to End: 38.1mm
Schedule: 40s
Weight: 0.35kg

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
£ 30.17 30.17 GBP
DN25 (1" NB) SCHEDULE 40S A403 WELDED EQUAL TEE SS 316
Outside Diameter (OD): 33.4mm
Wall Thickness: 3.38mm
Centre to End: 38.1mm
Schedule: 40s
Weight: 0.35kg

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
£ 38.43 38.43 GBP
DN25 (1" NB) SCHEDULE 40S A403 WELDED LONG RADIUS 45 DEG ELBOW SS 304
Outside Diameter (OD): 33.4mm
Wall Thickness: 3.38mm

Schedule: A403 Welded
Weight: 0.1kg

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
£ 12.46 12.46 GBP
DN25 (1" NB) SCHEDULE 40S A403 WELDED LONG RADIUS 45 DEG ELBOW SS 316
Outside Diameter (OD): 33.4mm
Wall Thickness: 3.38mm

Schedule: A403 Welded
Weight: 0.1kg

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
£ 15.47 15.47 GBP
DN25 (1" NB) SCHEDULE 40S A403 WELDED LONG RADIUS 90 DEG ELBOW SS 304
Outside Diameter (OD): 33.4mm
Wall Thickness: 3.38mm
Centre to Face: 38.1mm
Schedule: A403 Welded
Weight: 0.15kg

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
£ 14.42 14.42 GBP
DN25 (1" NB) SCHEDULE 40S A403 WELDED LONG RADIUS 90 DEG ELBOW SS 316
Outside Diameter (OD): 33.4mm
Wall Thickness: 3.38mm
Centre to Face: 38.1mm
Schedule: A403 Welded
Weight: 0.15kg

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
£ 17.92 17.92 GBP
DN25 (1" NB) SCHEDULE 40S A403 WELDED SHORT RADIUS 90 DEG ELBOW SS 304
Outside Diameter (OD): 33.4mm
Wall Thickness: 3.38mm
Centre to Face: 25.4mm
Schedule: A403 Welded
Weight: 0.1kg

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
£ 12.46 12.46 GBP
DN25 (1" NB) SCHEDULE 40S A403 WELDED SHORT RADIUS 90 DEG ELBOW SS 316
Outside Diameter (OD): 33.4mm
Wall Thickness: 3.38mm
Centre to Face: 25.4mm
Schedule: A403 Welded
Weight: 0.1kg

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
£ 15.47 15.47 GBP
DN25 (1" NB) SCHEDULE 40S ASA150 WELD NECK FLANGE SS 304
Outside diameter (O): 107.9mm
Flange thickness (C): 14.2mm
Hub length (X): 49.2mm
Neck height (A): 33.5mm
Pitch circle diameter (K): 79.2mm
Hub base diameter (Y): 55.6mm
Raised face height (RF): 15.5mm
Raised face diameter (R): 50.8mm
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

Part of our Flanges and Flanged Connections Range
£ 47.88 47.88 GBP
DN25 (1" NB) SCHEDULE 40S ASA150 WELD NECK FLANGE SS 316
Outside diameter (O): 107.9mm
Flange thickness (C): 14.2mm
Hub length (X): 49.2mm
Neck height (A): 33.5mm
Pitch circle diameter (K): 79.2mm
Hub base diameter (Y): 55.6mm
Raised face height (RF): 15.5mm
Raised face diameter (R): 50.8mm
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

Part of our Flanges and Flanged Connections Range
£ 69.09 69.09 GBP