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Mild Steel

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

Integraflow supplies a full range of nominal bore carbon steel pipework systems, including pipe, fittings, flanges, valves, and supports in A106 Grade BAPI 5L, and EN10255 specifications, available in seamless and welded construction with threaded, butt-weld, and flanged ends, suitable for high-pressure, industrial, and mechanical service applications.

DN15 (1/2" NB) HEAVY WT EN10255 PLAIN END SELF COLOUR PIPE
Outside Diameter (OD): 21.3mm
Wall Thickness (WT): 3.2mm
Material: Mild Steel / Carbon Steel Pipe
Grade: S235
Standards: EN10255 (BS1387), EN10217 (2019) P1 & P2
Standard Length: 6.4 meters
Weight Per Meter: 1.44kg
Construction: Welded
Finish: Self Colour
Ends: Plain Both Ends

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

Contact us for pricing 0.0 GBP
DN15 (1/2" NB) HEAVY WT EN10255 SCREWED & SOCKETED GALVANISED PIPE
Outside Diameter (OD): 21.3mm
Wall Thickness (WT): 3.2mm
Material: Mild Steel / Carbon Steel Pipe
Grade: S235
Standards: EN10255 (BS1387), EN10217 (2019) P1 & P2
Standard Length: 6.4 meters
Weight Per Meter: 1.44kg
Construction: Welded
Finish: Hot Dip Galvanised
Ends: Threaded BSPT both ends with 1x BSP Socket

Applications:
Heating and Plumbing, HVAC, Oil, Gas, Compressed Air, Agricultural Irrigation, Fuel and Oils, Cooling, Marine, Fire Protection Sprinkler SysteMild Steel / Carbon Steel Pipe.

Alternative terminology:
Malleable, Iron, Threaded, Screwed and Socketed / Coupled, BS1387, Heavy Weight, Pipe / Tube.

Note: Sold online only in 1 meter increments. Please get in touch for specific cutting requirements.
Contact us for pricing 0.0 GBP
DN15 (1/2" NB) HEAVY WT EN10255 SCREWED & SOCKETED RED OXIDE PIPE
Outside Diameter (OD): 21.3mm
Wall Thickness (WT): 3.2mm
Material: Mild Steel / Carbon Steel Pipe
Grade: S235
Standards: EN10255 (BS1387), EN10217 (2019) P1 & P2
Standard Length: 6.4 meters
Weight Per Meter: 1.44kg
Construction: Welded
Finish: Red Oxide Painted
Ends: Threaded BSPT both ends with 1x BSP Socket

Applications:
Heating and Plumbing, HVAC, Oil, Gas, Compressed Air, Agricultural Irrigation, Fuel and Oils, Cooling, Marine, Fire Protection Sprinkler SysteMild Steel / Carbon Steel Pipe.

Alternative terminology:
Malleable, Iron, Threaded, Screwed and Socketed / Coupled, BS1387, Heavy Weight, Pipe / Tube.

Note: Sold online only in 1 meter increments. Please get in touch for specific cutting requirements.
Contact us for pricing 0.0 GBP
DN15 (1/2" NB) M10 BOSSED SPLIT BAND HANGER ZP
Suits an outside diameter (OD) of: 21.3mm
Boss Connection: M10
Band width: 25mm
Band thickness: 3mm
Bolt Size: M6
Material: MS
Finish: Zinc Plated
Contact us for pricing 0.0 GBP
DN15 (1/2" NB) NPT (FXF) HANDWHEEL OP. GATE VALVE BRASS
Suits an outside diameter (OD) of: 21.3mm
Valve Type: Gate Valve
Body & Bonnet Material: Brass
Connection Type: NPT Threaded
Handwheel Type: Cast

Temperature Range: -20°C to +110°C (up to 85°C for applications)
Pressure Rating: Class 150

Alternative terminology: Threaded Gate Valve, NPT Valve, Gate Valve, Isolation Valve, Shut-Off Valve, Brass Gate Valve
£ 33.88 33.88 GBP
DN15 (1/2" NB) NPT (FXF) HANDWHEEL OP. GLOBE VALVE BRONZE
Suits an outside diameter (OD) of: 21.3mm
Valve Type: Globe Valve (Integral PTFE Seat)
Body Material: Bronze (BS:1400 LG2)
Connection Type: NPT Threaded
Handwheel Type: Cast

Temperature Range: -20°C to +225°C
Pressure Rating: PN32

Alternative terminology: Threaded Globe Valve, NPT Valve, Globe Valve, Isolation Valve, Shut-Off Valve, Bronze Globe Valve
£ 110.81 110.81 GBP
DN15 (1/2" NB) NPT 3000# FS EQUAL COUPLING A105N
Thread: 1/2" NPT
Suits an outside diameter (OD) of: 21.3mm
Material: Forged Steel
Grade: A105N
Construction: Forged Steel
Certification Available: 3.1 BS EN 10204 Material Certification

Alternative terminology:
Coupling, Socket, Straight, Connector, Carbon Steel
Contact us for pricing 0.0 GBP
DN15 (1/2" NB) NPT 3000# FS EQUAL TEE A105N
Thread: 1/2" NPT Female
Suits an outside diameter (OD) of: 21.3mm
Material: Forged Steel
Grade: A105N
Construction: Forged Steel
Certification Available: 3.1 BS EN 10204 Material Certification

Alternative terminology:
Equal Tee, Carbon Steel
Contact us for pricing 0.0 GBP
DN15 (1/2" NB) NPT 3000# FS FXF UNION A105N
Thread: 1/2" NPT Female
Suits an outside diameter (OD) of: 21.3mm
Material: Forged Steel
Grade: A105N
Construction: Forged Steel
Certification Available: 3.1 BS EN 10204 Material Certification

Alternative terminology:
Union, FXF, Carbon Steel
Contact us for pricing 0.0 GBP
DN15 (1/2" NB) NPT 3000# FS GALVANISED EQUAL COUPLING A105N
Threaded: 1/2" NPT Female
Suits an outside diameter (OD) of: 21.3mm
Material: Forged Steel
Grade: A105N
Construction: Forged
Certification Available: 3.1 BS EN 10204 Material Certification

Alternative terminology:
Full Sock, Equal Socket, Coupling, Carbon Steel
£ 11.20 11.2 GBP
DN15 (1/2" NB) NPT 3000# FS GALVANISED EQUAL TEE A105N
Threaded: 1/2" NPT Female
Suits an outside diameter (OD) of: 21.3mm
Material: Forged Steel
Grade: A105N
Construction: Forged
Finish: Galvanised
Certification Available: 3.1 BS EN 10204 Material Certification

Alternative terminology:
Tee, Equal Tee, Carbon Steel
£ 56.00 56.0 GBP
DN15 (1/2" NB) NPT 3000# FS GALVANISED UNION A105N
Threaded: 1/2" NPT Female
Suits an outside diameter (OD) of: 21.3mm
Material: Forged Steel
Grade: A105N
Construction: Forged
Finish: Galvanised
Certification Available: 3.1 BS EN 10204 Material Certification

Alternative terminology:
Union, FXF, Carbon Steel
£ 42.70 42.7 GBP
DN15 (1/2" NB) NPT 3000# FS HALF COUPLING A105N
Thread: 1/2" NPT
Suits an outside diameter (OD) of: 21.3mm
Material: Forged Steel
Grade: A105N
Construction: Forged Steel
Certification Available: 3.1 BS EN 10204 Material Certification

Alternative terminology:
Half Coupling, Half Socket, Straight, Connector, Carbon Steel
Contact us for pricing 0.0 GBP
DN15 (1/2" NB) NPT 3000# FS HEX HEAD PLUG END A105N
Thread: 1/2" NPT Male
Suits an outside diameter (OD) of: 21.3mm
Material: Forged Steel
Grade: A105N
Construction: Forged Steel
Certification Available: 3.1 BS EN 10204 Material Certification

Alternative terminology:
Hexagon Head Plug, Blanking, Termination, Carbon Steel
Contact us for pricing 0.0 GBP
DN15 (1/2" NB) NPT 3000# FS HEXAGON NIPPLE A105N
Thread: 1/2" NPT Male x Male
Suits an outside diameter (OD) of: 21.3mm
Material: Forged Steel
Grade: A105N
Construction: Forged Steel
Certification Available: 3.1 BS EN 10204 Material Certification
Origin: European (EU)

Alternative terminology:
Equal Nipple, Straight, Connector, Carbon Steel
£ 30.80 30.8 GBP
DN15 (1/2" NB) NPT 3000# FS ROUND CAP END A105N
Thread: 1/2" NPT Female
Suits an outside diameter (OD) of: 21.3mm
Material: Forged Steel
Grade: A105N
Construction: Forged Steel
Certification Available: 3.1 BS EN 10204 Material Certification

Alternative terminology:
Round Cap End, Blanking, Termination, Carbon Steel
Contact us for pricing 0.0 GBP
DN15 (1/2" NB) NPT GALVANISED 3000# FS EQUAL COUPLING A105N
Thread: 1/2" NPT
Suits an outside diameter (OD) of: 21.3mm
Material: Forged Steel Galvanised (HDG)
Grade: A105N
Construction: Forged Steel Galvanised (HDG)
Certification Available: 3.1 BS EN 10204 Material Certification

Alternative terminology:
Coupling, Socket, Straight, Connector, Carbon Steel
£ 11.20 11.2 GBP
DN15 (1/2" NB) NPT GALVANISED 3000# FS EQUAL TEE A105N
Thread: 1/2" NPT Female
Suits an outside diameter (OD) of: 21.3mm
Material: Forged Steel Galvanised (HDG)
Grade: A105N
Construction: Forged Steel Galvanised (HDG)
Certification Available: 3.1 BS EN 10204 Material Certification

Alternative terminology:
Equal Tee, Carbon Steel
£ 56.00 56.0 GBP
DN15 (1/2" NB) NPT GALVANISED 3000# FS FXF UNION A105N
Thread: 1/2" NPT Female
Suits an outside diameter (OD) of: 21.3mm
Material: Forged Steel Galvanised (HDG)
Grade: A105N
Construction: Forged Steel Galvanised (HDG)
Certification Available: 3.1 BS EN 10204 Material Certification

Alternative terminology:
Union, FXF, Carbon Steel
£ 42.70 42.7 GBP
DN15 (1/2" NB) NPT GALVANISED 3000# FS HEX HEAD PLUG END A105N
Thread: 1/2" NPT Male
Suits an outside diameter (OD) of: 21.3mm
Material: Forged Steel Galvanised (HDG)
Grade: A105N
Construction: Forged Steel Galvanised (HDG)
Certification Available: 3.1 BS EN 10204 Material Certification

Alternative terminology:
Hexagon Head Plug, Blanking, Termination, Carbon Steel
Contact us for pricing 0.0 GBP
DN15 (1/2" NB) NPT GALVANISED 3000# FS ROUND CAP END A105N
Thread: 1/2" NPT Female
Suits an outside diameter (OD) of: 21.3mm
Material: Forged Steel Galvanised (HDG)
Grade: A105N
Construction: Forged Steel Galvanised (HDG)
Certification Available: 3.1 BS EN 10204 Material Certification

Alternative terminology:
Round Cap End, Blanking, Termination, Carbon Steel
Contact us for pricing 0.0 GBP
DN15 (1/2" NB) NPT GALVANISED SCH80 FS PIPE NIPPLE T.B.E (2" LONG) A105N
Thread: 1/2" NPT Male
Suits an outside diameter (OD) of: 21.3mm
Material: Forged Steel Galvanised (HDG)
Grade: A105N
Construction: Forged Steel Galvanised (HDG)
Certification Available: 3.1 BS EN 10204 Material Certification

Alternative terminology:
Pipe Nipple, TBE, , Carbon Steel
Contact us for pricing 0.0 GBP
DN15 (1/2" NB) NPT GALVANISED SCH80 FS PIPE NIPPLE T.B.E (3" LONG) A105N
Thread: 1/2" NPT Male
Suits an outside diameter (OD) of: 21.3mm
Material: Forged Steel Galvanised (HDG)
Grade: A105N
Construction: Forged Steel Galvanised (HDG)
Certification Available: 3.1 BS EN 10204 Material Certification

Alternative terminology:
Pipe Nipple, TBE, , Carbon Steel
Contact us for pricing 0.0 GBP
DN15 (1/2" NB) NPT GALVANISED SCH80 FS PIPE NIPPLE T.B.E (4" LONG) A105N
Thread: 1/2" NPT Male
Suits an outside diameter (OD) of: 21.3mm
Material: Forged Steel Galvanised (HDG)
Grade: A105N
Construction: Forged Steel Galvanised (HDG)
Certification Available: 3.1 BS EN 10204 Material Certification

Alternative terminology:
Pipe Nipple, TBE, , Carbon Steel
Contact us for pricing 0.0 GBP
DN15 (1/2" NB) NPT SCH80 FS PIPE NIPPLE T.B.E (2" LONG) A105N
Thread: 1/2" NPT
Suits an outside diameter (OD) of: 21.3mm
Material: Forged Steel
Grade: A105N
Construction: Forged Steel
Certification Available: 3.1 BS EN 10204 Material Certification

Alternative terminology:
Pipe Nipple, TBE, , Carbon Steel
Contact us for pricing 0.0 GBP
DN15 (1/2" NB) NPT SCH80 FS PIPE NIPPLE T.B.E (3" LONG) A105N
Thread: 1/2" NPT
Suits an outside diameter (OD) of: 21.3mm
Material: Forged Steel
Grade: A105N
Construction: Forged Steel
Certification Available: 3.1 BS EN 10204 Material Certification

Alternative terminology:
Pipe Nipple, TBE, , Carbon Steel
Contact us for pricing 0.0 GBP
DN15 (1/2" NB) NPT SCH80 FS PIPE NIPPLE T.B.E (4" LONG) A105N
Thread: 1/2" NPT
Suits an outside diameter (OD) of: 21.3mm
Material: Forged Steel
Grade: A105N
Construction: Forged Steel
Certification Available: 3.1 BS EN 10204 Material Certification

Alternative terminology:
Pipe Nipple, TBE, , Carbon Steel
Contact us for pricing 0.0 GBP
DN15 (1/2" NB) PN10/PN16/PN25/PN40 RF BSPP THREADED FLANGE S235JR BLACK
Flange outside diameter: 95mm (D)
Flange thickness: 16mm (C2)
Pitch Circle Diameter (PCD): 65mm (K)
Flange hub height: 22mm (H1)
Raised Face Height: 2mm (f1)
BSPP Thread: 1/2"
Bolt Holes: 4 off M12 bolts
Material: Mild Steel
Grade: S235 JR
Finish: Black
Standards: EN 1092-1
Pressure Rating: PN16
Flange Face: Raised Face
Certification Available: 2.1 BS EN 10204 Material Certification

Alternative terminology:
Threaded Flange, Screwed Flange, BSPP, Mild Steel, Carbon Steel, Flat Faced, PN16
Contact us for pricing 0.0 GBP
DN15 (1/2" NB) PN10/PN16/PN25/PN40 RF BSPP THREADED FLANGE S235JR GALVANISED
Flange outside diameter: 95mm (D)
Flange thickness: 16mm (C2)
Pitch Circle Diameter (PCD): 65mm (K)
Flange hub height: 22mm (H1)
Raised Face Height: 2mm (f1)
BSPP Thread: 1/2"
Bolt Holes: 4 off M12 bolts
Material: Mild Steel
Grade: S235 JR
Finish: Galvanised
Standards: EN 1092-1
Pressure Rating: PN16
Flange Face: Raised Face
Certification Available: 2.1 BS EN 10204 Material Certification

Alternative terminology:
Threaded Flange, Screwed Flange, BSPP, Mild Steel, Carbon Steel, Flat Faced, PN16
Contact us for pricing 0.0 GBP
DN15 (1/2" NB) PN16 2PC FLANGED DUCTILE IRON BALL VALVE DIRECT MOUND WITH RED LEVER
1/2" Ductile Iron Ball Valve – Direct Mount – Flanged PN16

Face to face: 115mm

Direct mount with lever


Flanged PN16 connections with ISO 5211 direct mount interface.
Ductile iron body with brass ball and stem.
Fitted with RPTFE seats and NBR O-rings.
Steel lever operated.

Face to face: DIN 3202 F4..
Pressure rating: PN16.
Temperature range: -10°C to 100°C.
£ 356.58 356.58 GBP
DN15 (1/2" NB) PN16 2PC FLANGED DUCTILE IRON BALL VALVE EN331 GAS APPROVED YELLOW LEVER
1/2" Ductile Iron Ball Valve – EN331 Gas Approved – Flanged PN16

Face to face: 115mm

Suitable for gas service.
EN331 approved design.

Flanged PN16 connections with ISO 5211 direct mount interface.
Ductile iron body with brass ball and stem.
Fitted with RPTFE seats and NBR O-rings.
Steel lever operated.

Face to face: DIN 3202 F4.
Pressure rating: PN16.
Temperature range: -10°C to 70°C.
£ 423.15 423.15 GBP
DN15 (1/2" NB) PN6 FF BLIND FLANGE CS S235 JR
Flange overall diameter: 80mm (D)
PCD: 55mm (K)
Bolt Holes: 4 off 11mm diameter (L)
Flange Thickness: 12mm (C4)
Diameter of Flat Face (RF): 40mm (D1)
Height of Flat Face: 2mm (F1)
Material: Mild Steel
Grade: S235 JR
Standards: EN1092-1
Flange Face: Flat Face
Certification Available: 2.1 BS EN 10204 Material Certification

Alternative terminology:
Blank Flange, Blind, Mild Steel, Carbon Steel, Flat Faced, FF Blind
Contact us for pricing 0.0 GBP
DN15 (1/2" NB) PN6 RF BSPP THREADED FLANGE S235JR BLACK
Flange outside diameter: 80mm (D)
Flange thickness: 12mm (C2)
Pitch Circle Diameter (PCD): 55mm (K)
Flange hub height: 20mm (H1)
Raised Face Height: 2mm (f1)
BSPP Thread: 1/2"
Bolt Holes: 4 off M10 bolts
Material: Mild Steel
Grade: S235 JR
Finish: Black
Standards: EN 1092-1
Pressure Rating: PN6
Flange Face: Raised Face
Certification Available: 2.1 BS EN 10204 Material Certification

Alternative terminology:
Threaded Flange, Screwed Flange, BSPP, Mild Steel, Carbon Steel, Flat Faced, PN6
Contact us for pricing 0.0 GBP
DN15 (1/2" NB) PN6 RF BSPP THREADED FLANGE S235JR GALVANISED
Flange outside diameter: 80mm (D)
Flange thickness: 12mm (C2)
Pitch Circle Diameter (PCD): 55mm (K)
Flange hub height: 20mm (H1)
Raised Face Height: 2mm (f1)
BSPP Thread: 1/2"
Bolt Holes: 4 off M10 bolts
Material: Mild Steel
Grade: S235 JR
Finish: Galvanised
Standards: EN 1092-1
Pressure Rating: PN6
Flange Face: Raised Face
Certification Available: 2.1 BS EN 10204 Material Certification

Alternative terminology:
Threaded Flange, Screwed Flange, BSPP, Mild Steel, Carbon Steel, Flat Faced, PN6
Contact us for pricing 0.0 GBP
DN15 (1/2" NB) PN6 RF SLIP ON PLATE FLANGE CS S235 JR
Flange inside diameter of: 22.0mm (B1)
Flange overall diameter: 80mm (D)
PCD: 55mm (K)
Bolt Holes: 4 off 11mm diameter (L)
Flange Thickness: 12mm (C1)
Diameter of Raised Face (RF): 40mm (D1)
Height of raised face: 2mm (F1)
Material: Mild Steel
Grade: S235 JR
Standards: EN1092-1
Flange Face: Raised Face
Certification Available: 2.1 BS EN 10204 Material Certification

Alternative terminology:
Slip on Flange, Weld on, Mild Steel, Carbon Steel, Raised Faced, RFSO
Contact us for pricing 0.0 GBP
DN15 (1/2" NB) SCHEDULE 40 / STD WT ASA150 WELD NECK FLANGE CS A105N
Outside diameter (O): 88.9mm
Flange thickness (C): 11.1mm
Hub length (X): 30.2mm
Neck height (A): 21.3mm
Pitch circle diameter (K): 60.4mm
Hub base diameter (Y): 47.7mm
Raised face height (RF): 15.7mm
Raised face diameter (R): 35.0mm
Number of bolt holes: 4
Material: A105N
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, Carbon Steel, RF
Contact us for pricing 0.0 GBP
DN15 (1/2" NB) SCHEDULE 40/STD A106 GR.B SEAMLESS PIPE
Outside Diameter (OD): 21.3mm
Wall Thickness (WT): 2.77mm
Material: Carbon Steel Pipe
Grade: A106 B / P265GH
Standards: ASTM / ANSI Schedule 40 (Standard Weight)
Random Length: 5.8 to 7.5 meters
Weight Per Meter: 1.27 kg
Construction: Seamless
Certification Available: 3.1 BS EN 10204 Material Certification
£ 19.60 19.6 GBP
DN15 (1/2" NB) SCHEDULE 80 / XS ASA150 WELD NECK FLANGE CS A105N
Outside diameter (O): 88.9mm
Flange thickness (C): 11.1mm
Hub length (X): 30.2mm
Neck height (A): 21.3mm
Pitch circle diameter (K): 60.4mm
Hub base diameter (Y): 47.7mm
Raised face height (RF): 15.7mm
Raised face diameter (R): 35.0mm
Number of bolt holes: 4
Material: A105N
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, Carbon Steel, RF
Contact us for pricing 0.0 GBP
DN15 (1/2" NB) SCHEDULE 80/XS A106 GR.B SEAMLESS PIPE
Outside Diameter (OD): 21.3mm
Wall Thickness (WT): 3.73mm
Material: Carbon Steel Pipe
Grade: A106 B / P265GH
Standards: ASTM / ANSI Schedule 80 (Extra Strong)
Random Length: 5.8 to 7.5 meters
Weight Per Meter: 1.62 kg
Construction: Seamless
Certification Available: 3.1 BS EN 10204 Material Certification
£ 21.35 21.35 GBP
DN15 (1/2" NB) SCHEDULE 80/XS A106 GR.B SEAMLESS PIPE (NPT) HOT DIP GALVANISED
Outside Diameter (OD): 21.3mm
Wall Thickness (WT): 3.73mm
Material: Carbon Steel Pipe
Grade: A106 B / P265GH
Standards: ASTM / ANSI Schedule 80 (Extra Strong)
Random Length: 5.8 to 7.5 meters
Weight Per Meter: 1.62 kg
Construction: Seamless
Finish: Hot Dip Galvanised
Certification Available: 3.1 BS EN 10204 Material Certification
£ 60.62 60.62 GBP