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

DN15 (1/2" NB) SW 3000# FS CAP END A105N
Connection: 1/2" Socket Weld (SW)
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:
Blanking Cap End, Carbon Steel
Contact us for pricing 0.0 GBP
DN15 (1/2" NB) SW 3000# FS EQUAL TEE A105N
Connection: 1/2" Socket Weld (SW)
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) SW 3000# FS UNION A105N
Connection: 1/2" Socket Weld (SW)
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, Carbon Steel
Contact us for pricing 0.0 GBP
DN15 (1/2" NB) SW 3000# FS COUPLING A105N
Connection: 1/2" Socket Weld (SW)
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) SW 3000# FS HALF COUPLING A105N
Connection: 1/2" Socket Weld (SW)
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) U-BOLT C.W NUTS BZP
Suits an outside diameter (OD) of: 21.3mm
Material: MS Zinc Plated (BZP)
Thread: M6
Comes with 2x Nuts
Contact us for pricing 0.0 GBP
DN15 (1/2" NB) U-BOLT C.W NUTS GALVANISED
Suits an outside diameter (OD) of: 21.3mm
Material: Mild Steel (Galvanised))
Thread: M6
Comes with 2x Nuts
Contact us for pricing 0.0 GBP
DN15 (1/2" NB) UN-BOSSED SPLIT BAND HANGER ZP
Suits an outside diameter (OD) of: 21.3mm
Band width: 25mm
Band thickness: 3mm
Bolt Size: M6
Material: MS
Finish: Zinc Plated
Contact us for pricing 0.0 GBP
DN15 (½" NB) BSPT 3000# FS FXF ELBOW 45° A105N
Thread: ½" BSPT 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:
Elbow, FXF, 45°, 45 Degree, Carbon Steel
Contact us for pricing 0.0 GBP
DN15 (½" NB) BSPT 3000# FS FXF ELBOW 90° A105N
Thread: ½" BSPT 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:
Elbow, FXF, 90°, 90 Degree, Carbon Steel
Contact us for pricing 0.0 GBP
DN15 (½" NB) BSPT 3000# FS MXF ELBOW 90° A105N
Thread: ½" BSPT Male x 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:
Street Elbow, MXF, 90°, 90 Degree, Carbon Steel
Contact us for pricing 0.0 GBP
DN15 (½" NB) BSPT GALVANISED 3000# FS FXF ELBOW 45° A105N
Thread: ½" BSPT 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:
Elbow, FXF, 45°, 45 Degree, Carbon Steel
Contact us for pricing 0.0 GBP
DN15 (½" NB) BSPT GALVANISED 3000# FS FXF ELBOW 90° A105N
Thread: ½" BSPT 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:
Elbow, FXF, 90°, 90 Degree, Carbon Steel
Contact us for pricing 0.0 GBP
DN15 (½" NB) BSPT GALVANISED 3000# FS MXF ELBOW 90° A105N
Thread: ½" BSPT Male x 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:
Street Elbow, MXF, 90°, 90 Degree, Carbon Steel
Contact us for pricing 0.0 GBP
DN15 (½" NB) NPT 3000# FS FXF ELBOW 45° A105N
Thread: ½" 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:
Elbow, FXF, 45°, 45 Degree, Carbon Steel
Contact us for pricing 0.0 GBP
DN15 (½" NB) NPT 3000# FS FXF ELBOW 90° A105N
Thread: ½" 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:
Elbow, FXF, 90°, 90 Degree, Carbon Steel
Contact us for pricing 0.0 GBP
DN15 (½" NB) NPT 3000# FS GALVANISED ELBOW 90° A105N
Threaded: ½" 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:
Elbow, FXF, 90°, 90 Degree, Carbon Steel
£ 38.50 38.5 GBP
DN15 (½" NB) NPT 3000# FS MXF ELBOW 90° A105N
Thread: ½" NPT Male x 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:
Street Elbow, MXF, 90°, 90 Degree, Carbon Steel
Contact us for pricing 0.0 GBP
DN15 (½" NB) NPT GALVANISED 3000# FS FXF ELBOW 45° A105N
Thread: ½" 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:
Elbow, FXF, 45°, 45 Degree, Carbon Steel
Contact us for pricing 0.0 GBP
DN15 (½" NB) NPT GALVANISED 3000# FS FXF ELBOW 90° A105N
Thread: ½" 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:
Elbow, FXF, 90°, 90 Degree, Carbon Steel
£ 38.50 38.5 GBP
DN15 (½" NB) NPT GALVANISED 3000# FS MXF ELBOW 90° A105N
Thread: ½" NPT Male x 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:
Street Elbow, MXF, 90°, 90 Degree, Carbon Steel
Contact us for pricing 0.0 GBP
DN15 (½" NB) SCHEDULE 40 / STD A234 WPB CAP
Outside Diameter (OD): 21.3mm
Wall Thickness: 2.78mm
Length: 25.4mm
Schedule: STD
Weight: 0.03kg

Material: Mild Steel
Material Grade: ASTM A234 WPB
Finish: Black Varnished (Self Colour or Shotblasting on request)
Certification Available: 3.1 BS EN 10204 Material Certification

Alternative Terminology: Buttweld Cap, End Cap, Cap End, Weldable Cap
Contact us for pricing 0.0 GBP
DN15 (½" NB) SCHEDULE 40 / STD A234 WPB EQUAL TEE
Outside Diameter (OD): 21.3mm
Wall Thickness: 2.78mm
Centre to End: 25.4mm
Schedule: STD
Weight: 0.11kg

Material: Mild Steel
Material Grade: ASTM A234 WPB
Finish: Black Varnished (Self Colour or Shotblasting on request)
Certification Available: 3.1 BS EN 10204 Material Certification

Alternative Terminology: Buttweld Tee, Equal Tee, LR, Welding Tee, Weldable
£ 9.66 9.66 GBP
DN15 (½" NB) SCHEDULE 40 / STD A234 WPB LONG RADIUS 45 DEG ELBOW
Outside Diameter (OD): 21.3mm
Wall Thickness: 2.78mm
Centre to Face: 15.9mm
Schedule: STD
Weight: 0.04kg

Material: Mild Steel
Material Grade: ASTM A234 WPB
Finish: Black Varnished (Self Colour or Shotblasting on request)
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
DN15 (½" NB) SCHEDULE 40/ STD A234 WPB LONG RADIUS 90 DEG ELBOW
Outside Diameter (OD): 21.3mm
Wall Thickness: 2.78mm
Centre to Face: 38.1mm
Schedule: STD
Weight: 0.08kg

Material: Mild Steel
Material Grade: ASTM A234 WPB
Finish: Black Varnished (Self Colour or Shotblasting on request)
Certification Available: 3.1 BS EN 10204 Material Certification

Alternative Terminology: Buttweld Elbow, Long Radius, 90°, LR, Bend, Weldable
£ 3.15 3.15 GBP
DN15 (½" NB) SCHEDULE 80 / XS A234 WPB CAP
Outside Diameter (OD): 21.3mm
Wall Thickness: 3.73mm
Length: 25.4mm
Schedule: XS
Weight: 0.04kg

Material: Mild Steel
Material Grade: ASTM A234 WPB
Finish: Black Varnished (Self Colour or Shotblasting on request)
Certification Available: 3.1 BS EN 10204 Material Certification

Alternative Terminology: Buttweld Cap, End Cap, Cap End, Weldable Cap
Contact us for pricing 0.0 GBP
DN15 (½" NB) SCHEDULE 80 / XS A234 WPB EQUAL TEE
Outside Diameter (OD): 21.3mm
Wall Thickness: 3.73mm
Centre to End: 25.4mm
Schedule: XS
Weight: 0.13kg

Material: Mild Steel
Material Grade: ASTM A234 WPB
Finish: Black Varnished (Self Colour or Shotblasting on request)
Certification Available: 3.1 BS EN 10204 Material Certification

Alternative Terminology: Buttweld Tee, Equal Tee, LR, Welding Tee, Weldable
£ 10.64 10.64 GBP
DN15 (½" NB) SCHEDULE 80 / XS A234 WPB LONG RADIUS 45 DEG ELBOW
Outside Diameter (OD): 21.3mm
Wall Thickness: 3.73mm
Centre to Face: 15.9mm
Schedule: XS
Weight: 0.05kg

Material: Mild Steel
Material Grade: ASTM A234 WPB
Finish: Black Varnished (Self Colour or Shotblasting on request)
Certification Available: 3.1 BS EN 10204 Material Certification

Alternative Terminology: Buttweld Elbow, Long Radius, 45°, LR, Bend, Weldable
£ 2.73 2.73 GBP
DN15 (½" NB) SCHEDULE 80 / XS A234 WPB LONG RADIUS 90 DEG ELBOW
Outside Diameter (OD): 21.3mm
Wall Thickness: 3.73mm
Centre to Face: 38.1mm
Schedule: XS
Weight: 0.1kg

Material: Mild Steel
Material Grade: ASTM A234 WPB
Finish: Black Varnished (Self Colour or Shotblasting on request)
Certification Available: 3.1 BS EN 10204 Material Certification

Alternative Terminology: Buttweld Elbow, Long Radius, 90°, LR, Bend, Weldable
£ 2.80 2.8 GBP
DN15 (½" NB) SW 3000# FS ELBOW 90° A105N
Connection: ½" Socket Weld (SW)
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:
Elbow, 90°, 90 Degree, Carbon Steel
Contact us for pricing 0.0 GBP
DN15 PN10 / PN16 / PN25 / PN40 FF BLIND FLANGE CS S235 JR
Flange OD (D): 95mm
Drilling (No. x Bolt Holes x L): 4 x M12 x 14mm
Pitch circle diameter (K): 65mm
Flange thickness (C4): 16mm
Material: S235 JR
Rating: PN40
Type: Blind flange (EN1092-1 Type 05)

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 PN10/PN16/PN25/PN40 RF BOSSED SLIP ON FLANGE CS S235JR
Flange outside diameter: 95mm (D)
Flange inside diameter: 22.0mm (B1)
Flange thickness (C2): 16mm
Pitch Circle Diameter (PCD): 65mm (K)
Hub height: 22mm (H1)
Neck diameter: 35mm (N2)
Raised Face Diameter: 45mm (d1)
Height of Raised Face: 2mm (f1)
Bolt Holes: 4 off 14mm diameter (L)
Material: Mild Steel
Grade: S235 JR
Standards: EN1092-1
Flange Face: Raised Face
Certification Available: 2.1 BS EN 10204 Material Certification

Alternative terminology:
Bossed Slip on Flange, Weld on, Mild Steel, Carbon Steel, Raised Faced, SOB
Contact us for pricing 0.0 GBP
DN15 PN10/PN16/PN25/PN40 RF SLIP ON PLATE FLANGE CS S235JR
Flange inside diameter of: 22.0mm (B1)
Flange overall diameter: 95mm (D)
PCD: 65mm (K)
Bolt Holes: 4 off 14mm diameter (L)
Flange Thickness: 14mm (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 PN6 RF BOSSED SLIP ON FLANGE CS S235JR
Flange outside diameter: 80mm (D)
Flange inside diameter: 22.0mm (B1)
Flange thickness (C2): 12mm
Pitch Circle Diameter (PCD): 55mm (K)
Hub height: 20mm (H1)
Neck diameter: 30mm (N2)
Raised Face Diameter: 40mm (d1)
Height of Raised Face: 2mm (f1)
Bolt Holes: 4 off 11mm diameter (L)
Material: Mild Steel
Grade: S235 JR
Standards: EN1092-1
Flange Face: Raised Face
Certification Available: 2.1 BS EN 10204 Material Certification

Alternative terminology:
Bossed Slip on Flange, Weld on, Mild Steel, Carbon Steel, Raised Faced, SOB
Contact us for pricing 0.0 GBP
DN15 X 6 (1/2" X 1/8" NB) BSP BLACK HEAVY WEIGHT REDUCING BUSH
Side 1 threaded: 1/2" BSPT Male
Side 1 suits an outside diameter (OD) of: 21.3mm
Side 2 threaded: 1/8" BSPP Female
Side 2 suits suits an outside diameter (OD) of: 10.29mm

Material: Mild Steel
Finish: Black Self Colour

Standards:
Nominal Bore, Threaded, Screwed, Low Pressure, 300 psi, Mild Steel (Formally referred to as Wrought Iron BS1740), EN 10241 & EN 10255

Alternative terminology:
Reducing Bush, Mild Steel, Carbon Seel, Wrought Iron, Heavy Weight, Threaded, Screwed, Fittings.
£ 11.90 11.9 GBP
DN15 X 6 (1/2" X 1/8" NB) BSP BLACK MALLEABLE IRON REDUCING BUSH
Side 1 threaded: 1/2" BSPP Female
Side 1 suits an outside diameter (OD) of: 21.3mm
Side 2 threaded: 1/8" BSPP Female
Side 2 suits suits an outside diameter (OD) of: 10.29mm

Material: Malleable Iron
Finish: Black Self Colour

Standards:
Nominal Bore, Threaded, Screwed, Low Pressure, 150 psi, Malleable Iron, EN 10242 & EN 10226-1

Alternative terminology:
Malleable, Iron, Reducing Bush, Threaded, Screwed, Figure 241, Fittings.
£ 6.58 6.58 GBP
DN15 X 6 (1/2" X 1/8" NB) BSP GALVANISED MALLEABLE IRON REDUCING BUSH
Side 1 threaded: 1/2" BSPP Female
Side 1 suits an outside diameter (OD) of: 21.3mm
Side 2 threaded: 1/8" BSPP Female
Side 2 suits suits an outside diameter (OD) of: 10.29mm

Material: Malleable Iron
Finish: Hot Dip Galvanised (HDG)

Standards:
Nominal Bore, Threaded, Screwed, Low Pressure, 150 psi, Malleable Iron, EN 10242 & EN 10226-1

Alternative terminology:
Malleable, Iron, Reducing Bush, Threaded, Screwed, Figure 241, Fittings.
£ 6.44 6.44 GBP
DN15 X 6 (1/2" X 1/8" NB) BSPT BLACK FORGED STEEL REDUCING BUSH
Side 1 threaded: 1/2" BSPT Male
Side 1 suits an outside diameter (OD) of: 21.3mm
Side 2 threaded: 1/8" BSPT Female
Side 2 suits suits an outside diameter (OD) of: 10.29mm

Material: Forged Steel A105N
Finish: Black Self Colour

Standards:
BS3799, ANSI B16.11 MSS SP-83, MSS SP-95, MSS SP-97

Alternative terminology:
Forged Steel, Carbon Steel, , Reducing Bush, Threaded, Screwed, , Fittings.
Contact us for pricing 0.0 GBP
DN15 X 6 (1/2" X 1/8" NB) BSPT GALVANISED FORGED STEEL REDUCING BUSH
Side 1 threaded: 1/2" BSPT Male
Side 1 suits an outside diameter (OD) of: 21.3mm
Side 2 threaded: 1/8" BSPT Female
Side 2 suits suits an outside diameter (OD) of: 10.29mm

Material: Forged Steel Galvanised (HDG) A105N
Finish:

Standards:
BS3799, ANSI B16.11 MSS SP-83, MSS SP-95, MSS SP-97

Alternative terminology:
Forged Steel Galvanised (HDG), Carbon Steel, , Reducing Bush, Threaded, Screwed, , Fittings.
Contact us for pricing 0.0 GBP
DN15 X 6 (1/2" X 1/8" NB) NPT BLACK FORGED STEEL REDUCING BUSH
Side 1 threaded: 1/2" NPT Male
Side 1 suits an outside diameter (OD) of: 21.3mm
Side 2 threaded: 1/8" NPT Female
Side 2 suits suits an outside diameter (OD) of: 10.29mm

Material: Forged Steel A105N
Finish: Black Self Colour

Standards:
BS3799, ANSI B16.11 MSS SP-83, MSS SP-95, MSS SP-97

Alternative terminology:
Forged Steel, Carbon Steel, , Reducing Bush, Threaded, Screwed, , Fittings.
Contact us for pricing 0.0 GBP