Skip to Content
  1. Products
  2. Mild Steel

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 B, API 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.

List 600
Sort By: Name (A-Z)

Mild Steel

DN20 (3/4" NB) M10 BOSSED SPLIT BAND HANGER ZP
Suits an outside diameter (OD) of: 26.9mm
Boss Connection: M10
Band width: 25mm
Band thickness: 3mm
Bolt Size: M6
Material: MS
Finish: Zinc Plated
Contact us for pricing 0.0 GBP
DN20 (3/4" NB) NPT (FXF) HANDWHEEL OP. GATE VALVE BRASS
Suits an outside diameter (OD) of: 26.9mm
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
£ 47.74 47.74 GBP
DN20 (3/4" NB) NPT (FXF) HANDWHEEL OP. GLOBE VALVE BRONZE
Suits an outside diameter (OD) of: 26.9mm
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
£ 172.20 172.2 GBP
DN20 (3/4" NB) NPT 3000# FS EQUAL COUPLING A105N
Thread: 3/4" NPT
Suits an outside diameter (OD) of: 26.9mm
Material: Forged Steel
Grade: A105N
Construction: Forged
Certification Available: 3.1 BS EN 10204 Material Certification

Alternative terminology:
Coupling, Socket, Straight, Connector, Carbon Steel
Contact us for pricing 0.0 GBP
DN20 (3/4" NB) NPT 3000# FS EQUAL TEE A105N
Thread: 3/4" NPT Female
Suits an outside diameter (OD) of: 26.9mm
Material: Forged Steel
Grade: A105N
Construction: Forged
Certification Available: 3.1 BS EN 10204 Material Certification

Alternative terminology:
Equal Tee, Carbon Steel
Contact us for pricing 0.0 GBP
DN20 (3/4" NB) NPT 3000# FS FXF UNION A105N
Thread: 3/4" NPT Female
Suits an outside diameter (OD) of: 26.9mm
Material: Forged Steel
Grade: A105N
Construction: Forged
Certification Available: 3.1 BS EN 10204 Material Certification

Alternative terminology:
Union, FXF, Carbon Steel
Contact us for pricing 0.0 GBP
DN20 (3/4" NB) NPT 3000# FS GALVANISED EQUAL COUPLING A105N
Threaded: 3/4" NPT Female
Suits an outside diameter (OD) of: 26.9mm
Material: Forged Steel
Grade: A105N
Construction: Forged
Finish: Galvanised
Certification Available: 3.1 BS EN 10204 Material Certification

Alternative terminology:
Full Sock, Equal Socket, Coupling, Carbon Steel
£ 19.60 19.6 GBP
DN20 (3/4" NB) NPT 3000# FS GALVANISED EQUAL TEE A105N
Threaded: 3/4" NPT Female
Suits an outside diameter (OD) of: 26.9mm
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
£ 47.95 47.95 GBP
DN20 (3/4" NB) NPT 3000# FS GALVANISED UNION A105N
Threaded: 3/4" NPT Female
Suits an outside diameter (OD) of: 26.9mm
Material: Forged Steel
Grade: A105N
Construction: Forged
Finish: Galvanised
Certification Available: 3.1 BS EN 10204 Material Certification

Alternative terminology:
Union, FXF, Carbon Steel
£ 63.00 63.0 GBP
DN20 (3/4" NB) NPT 3000# FS HALF COUPLING A105N
Thread: 3/4" NPT
Suits an outside diameter (OD) of: 26.9mm
Material: Forged Steel
Grade: A105N
Construction: Forged
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
DN20 (3/4" NB) NPT 3000# FS HEX HEAD PLUG END A105N
Thread: 3/4" NPT Male
Suits an outside diameter (OD) of: 26.9mm
Material: Forged Steel
Grade: A105N
Construction: Forged
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
DN20 (3/4" NB) NPT 3000# FS HEXAGON NIPPLE A105N
Thread: 3/4" NPT Male
Suits an outside diameter (OD) of: 26.9mm
Material: Forged Steel
Grade: A105N
Construction: Forged
Certification Available: 3.1 BS EN 10204 Material Certification

Alternative terminology:
Hexagon Nipple, Carbon Steel
Contact us for pricing 0.0 GBP
DN20 (3/4" NB) NPT 3000# FS ROUND CAP END A105N
Thread: 3/4" NPT Female
Suits an outside diameter (OD) of: 26.9mm
Material: Forged Steel
Grade: A105N
Construction: Forged
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
DN20 (3/4" NB) NPT GALVANISED 3000# FS EQUAL COUPLING A105N
Thread: 3/4" NPT
Suits an outside diameter (OD) of: 26.9mm
Material: Forged Steel Galvanised (HDG)
Grade: A105N
Construction: Forged
Certification Available: 3.1 BS EN 10204 Material Certification

Alternative terminology:
Coupling, Socket, Straight, Connector, Carbon Steel
£ 19.60 19.6 GBP
DN20 (3/4" NB) NPT GALVANISED 3000# FS EQUAL TEE A105N
Thread: 3/4" NPT Female
Suits an outside diameter (OD) of: 26.9mm
Material: Forged Steel Galvanised (HDG)
Grade: A105N
Construction: Forged
Certification Available: 3.1 BS EN 10204 Material Certification

Alternative terminology:
Equal Tee, Carbon Steel
£ 47.95 47.95 GBP
DN20 (3/4" NB) NPT GALVANISED 3000# FS FXF UNION A105N
Thread: 3/4" NPT Female
Suits an outside diameter (OD) of: 26.9mm
Material: Forged Steel Galvanised (HDG)
Grade: A105N
Construction: Forged
Certification Available: 3.1 BS EN 10204 Material Certification

Alternative terminology:
Union, FXF, Carbon Steel
£ 63.00 63.0 GBP
DN20 (3/4" NB) NPT GALVANISED 3000# FS HEX HEAD PLUG END A105N
Thread: 3/4" NPT Male
Suits an outside diameter (OD) of: 26.9mm
Material: Forged Steel Galvanised (HDG)
Grade: A105N
Construction: Forged
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
DN20 (3/4" NB) NPT GALVANISED 3000# FS HEXAGON NIPPLE A105N
Thread: 3/4" NPT Male
Suits an outside diameter (OD) of: 26.9mm
Material: Forged Steel Galvanised (HDG)
Grade: A105N
Construction: Forged
Certification Available: 3.1 BS EN 10204 Material Certification

Alternative terminology:
Hexagon Nipple, Carbon Steel
Contact us for pricing 0.0 GBP
DN20 (3/4" NB) NPT GALVANISED 3000# FS ROUND CAP END A105N
Thread: 3/4" NPT Female
Suits an outside diameter (OD) of: 26.9mm
Material: Forged Steel Galvanised (HDG)
Grade: A105N
Construction: Forged
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
DN20 (3/4" NB) NPT GALVANISED SCH80 FS PIPE NIPPLE T.B.E (2" LONG) A105N
Thread: 3/4" NPT Male
Suits an outside diameter (OD) of: 26.9mm
Material: Forged Steel Galvanised (HDG)
Grade: A105N
Construction: Forged
Certification Available: 3.1 BS EN 10204 Material Certification

Alternative terminology:
Pipe Nipple, TBE, , Carbon Steel
Contact us for pricing 0.0 GBP
DN20 (3/4" NB) NPT GALVANISED SCH80 FS PIPE NIPPLE T.B.E (3" LONG) A105N
Thread: 3/4" NPT Male
Suits an outside diameter (OD) of: 26.9mm
Material: Forged Steel Galvanised (HDG)
Grade: A105N
Construction: Forged
Certification Available: 3.1 BS EN 10204 Material Certification

Alternative terminology:
Pipe Nipple, TBE, , Carbon Steel
Contact us for pricing 0.0 GBP
DN20 (3/4" NB) NPT GALVANISED SCH80 FS PIPE NIPPLE T.B.E (4" LONG) A105N
Thread: 3/4" NPT Male
Suits an outside diameter (OD) of: 26.9mm
Material: Forged Steel Galvanised (HDG)
Grade: A105N
Construction: Forged
Certification Available: 3.1 BS EN 10204 Material Certification

Alternative terminology:
Pipe Nipple, TBE, , Carbon Steel
Contact us for pricing 0.0 GBP
DN20 (3/4" NB) NPT SCH80 FS PIPE NIPPLE T.B.E (2" LONG) A105N
Thread: 3/4" NPT
Suits an outside diameter (OD) of: 26.9mm
Material: Forged Steel
Grade: A105N
Construction: Forged
Certification Available: 3.1 BS EN 10204 Material Certification

Alternative terminology:
Pipe Nipple, TBE, , Carbon Steel
Contact us for pricing 0.0 GBP
DN20 (3/4" NB) NPT SCH80 FS PIPE NIPPLE T.B.E (3" LONG) A105N
Thread: 3/4" NPT
Suits an outside diameter (OD) of: 26.9mm
Material: Forged Steel
Grade: A105N
Construction: Forged
Certification Available: 3.1 BS EN 10204 Material Certification

Alternative terminology:
Pipe Nipple, TBE, , Carbon Steel
Contact us for pricing 0.0 GBP
DN20 (3/4" NB) NPT SCH80 FS PIPE NIPPLE T.B.E (4" LONG) A105N
Thread: 3/4" NPT
Suits an outside diameter (OD) of: 26.9mm
Material: Forged Steel
Grade: A105N
Construction: Forged
Certification Available: 3.1 BS EN 10204 Material Certification

Alternative terminology:
Pipe Nipple, TBE, , Carbon Steel
Contact us for pricing 0.0 GBP
DN20 (3/4" NB) PN10/PN16/PN25/PN40 RF BSPP THREADED FLANGE S235JR BLACK
Flange outside diameter: 105mm (D)
Flange thickness: 18mm (C2)
Pitch Circle Diameter (PCD): 75mm (K)
Flange hub height: 26mm (H1)
Raised Face Height: 2mm (f1)
BSPP Thread: 3/4"
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
DN20 (3/4" NB) PN10/PN16/PN25/PN40 RF BSPP THREADED FLANGE S235JR GALVANISED
Flange outside diameter: 105mm (D)
Flange thickness: 18mm (C2)
Pitch Circle Diameter (PCD): 75mm (K)
Flange hub height: 26mm (H1)
Raised Face Height: 2mm (f1)
BSPP Thread: 3/4"
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
DN20 (3/4" NB) PN16 2PC FLANGED DUCTILE IRON BALL VALVE DIRECT MOUND WITH RED LEVER
3/4" Ductile Iron Ball Valve – Direct Mount – Flanged PN16

Face to face: 120mm

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.
£ 361.90 361.9 GBP
DN20 (3/4" NB) PN16 2PC FLANGED DUCTILE IRON BALL VALVE EN331 GAS APPROVED YELLOW LEVER
3/4" Ductile Iron Ball Valve – EN331 Gas Approved – Flanged PN16

Face to face: 120mm

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.
£ 434.35 434.35 GBP
DN20 (3/4" NB) PN6 FF BLIND FLANGE CS S235 JR
Flange overall diameter: 90mm (D)
PCD: 65mm (K)
Bolt Holes: 4 off 11mm diameter (L)
Flange Thickness: 14mm (C4)
Diameter of Flat Face (RF): 52mm (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
DN20 (3/4" NB) PN6 RF BSPP THREADED FLANGE S235JR BLACK
Flange outside diameter: 90mm (D)
Flange thickness: 14mm (C2)
Pitch Circle Diameter (PCD): 65mm (K)
Flange hub height: 24mm (H1)
Raised Face Height: 2mm (f1)
BSPP Thread: 3/4"
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
DN20 (3/4" NB) PN6 RF BSPP THREADED FLANGE S235JR GALVANISED
Flange outside diameter: 90mm (D)
Flange thickness: 14mm (C2)
Pitch Circle Diameter (PCD): 65mm (K)
Flange hub height: 24mm (H1)
Raised Face Height: 2mm (f1)
BSPP Thread: 3/4"
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
DN20 (3/4" NB) PN6 RF SLIP ON PLATE FLANGE CS S235 JR
Flange inside diameter of: 27.5mm (B1)
Flange overall diameter: 90mm (D)
PCD: 65mm (K)
Bolt Holes: 4 off 11mm diameter (L)
Flange Thickness: 14mm (C1)
Diameter of Raised Face (RF): 52mm (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
DN20 (3/4" NB) SCH80/XS ASA150 RF SOCKET WELD FLANGE CS A105N (EUROPEAN ORIGIN)
Suits an outside diameter (OD) of: 26.9mm
Material: CS
Grade: A105 N
Standards: ANSI / ASA150
Flange Face: Raised
Bolt Holes: 4 off 15.7mm Ø
PCD: 69.8mm
Flange Diameter: 98.5mm
Flange Thickness: 12.7mm
Certification Available: 3.1 Material Certification
Origin: European (EU)

Alternative terminology:
Raised Face, Socket Weld SW, Weld on, Mild Steel, Carbon Steel
£ 65.94 65.94 GBP
DN20 (3/4" NB) SCH80/XS ASA150 RF WELD NECK FLANGE CS A105N (EUROPEAN ORIGIN)
Suits an outside diameter (OD) of: 26.9mm
Material: CS
Grade: A105 N
Standards: ANSI / ASA150
Flange Face: Raised
Bolt Holes: 16 off 15.7mm Ø
PCD: 69.8mm
Flange Diameter: 98.5mm
Flange Thickness: 12.7mm
Certification Available: 3.1 Material Certification
Origin: European (EU)

Alternative terminology:
Raised Face, Weld Neck, Weld on, Mild Steel, Carbon Steel
Contact us for pricing 0.0 GBP
DN20 (3/4" NB) SCHEDULE 40 / STD WT ASA150 WELD NECK FLANGE CS A105N
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: 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
DN20 (3/4" NB) SCHEDULE 40/STD A106 GR.B SEAMLESS PIPE
Outside Diameter (OD): 26.9mm
Wall Thickness (WT): 2.87mm
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: 1.69 kg
Construction: Seamless
Certification Available: 3.1 BS EN 10204 Material Certification
Contact us for pricing 0.0 GBP
DN20 (3/4" NB) SCHEDULE 80 / XS ASA150 WELD NECK FLANGE CS A105N
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: 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
DN20 (3/4" NB) SCHEDULE 80/XS A106 GR.B SEAMLESS PIPE
Outside Diameter (OD): 26.9mm
Wall Thickness (WT): 3.91mm
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: 2.2 kg
Construction: Seamless
Certification Available: 3.1 BS EN 10204 Material Certification
£ 23.10 23.1 GBP
DN20 (3/4" NB) SCHEDULE 80/XS A106 GR.B SEAMLESS PIPE (EUROPEAN ORIGIN)
Outside Diameter (OD): 26.9mm
Wall Thickness (WT): 3.91mm
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: 2.2 kg
Construction: Seamless
Certification Available: 3.1 BS EN 10204 Material Certification
Origin: European (EU)
£ 70.00 70.0 GBP