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Socket Weld

Socket Weld Flanges – ASA 150 & 300, A105N

Integraflow supplies socket weld flanges in A105N carbon steel to ANSI/ASA B16.5 standards, covering 150lb and 300lb pressure ratings, with sizes from ½” upwards, sourced from trusted European and Far Eastern mills, and available with full BS EN 10204 3.1 certification for reliable high-integrity welded connections in industrial and process systems.

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Socket Weld

DN15 (1/2" NB) ASA150 RF SOCKET WELD FLANGE CS A105N
Outside diameter (O): 88.9mm
Hub diameter at base (C): 11.1mm
Length through hub (X): 30.2mm
Pitch circle diameter (K): 60.4mm
Raised face diameter (Y): 15.7mm
Raised face height (RF): 1.5mm
Hub diameter at top (R): 35.0mm
Bore length (B): 22.3mm
Bore diameter (D): 9.6mm
Number of bolt holes: 4
Material: A105N
Rating: ASA 150
Type: Socket weld flange (ASME B16.5)

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

Alternative terminology:
Socket Weld Flange, SW Flange, ASA150, Carbon Steel, Raised Faced
Contact us for pricing 0.0 GBP
DN15 (1/2" NB) ASA300 RF SOCKET WELD FLANGE CS A105N
Outside diameter (O): 95.0mm
Hub diameter at base (C): 12.7mm
Length through hub (X): 38.0mm
Pitch circle diameter (K): 66.5mm
Raised face diameter (Y): 21mm
Raised face height (RF): 1.5mm
Hub diameter at top (R): 35.0mm
Bore length (B): 22.4mm
Bore diameter (D): 10.0mm
Number of bolt holes: 4
Material: A105N
Rating: ASA 300
Type: Socket weld flange (ASME B16.5)

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

Alternative terminology:
Socket Weld Flange, SW Flange, ASA300, Carbon Steel, Raised Faced
Contact us for pricing 0.0 GBP
DN20 (3/4" NB) ASA150 RF SOCKET WELD FLANGE CS A105N
Outside diameter (O): 98.5mm
Hub diameter at base (C): 12.7mm
Length through hub (X): 38.1mm
Pitch circle diameter (K): 69.8mm
Raised face diameter (Y): 15.7mm
Raised face height (RF): 1.5mm
Hub diameter at top (R): 42.9mm
Bore length (B): 27.6mm
Bore diameter (D): 11.1mm
Number of bolt holes: 4
Material: A105N
Rating: ASA 150
Type: Socket weld flange (ASME B16.5)

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

Alternative terminology:
Socket Weld Flange, SW Flange, ASA150, Carbon Steel, Raised Faced
Contact us for pricing 0.0 GBP
DN20 (3/4" NB) ASA300 RF SOCKET WELD FLANGE CS A105N
Outside diameter (O): 117.0mm
Hub diameter at base (C): 14.2mm
Length through hub (X): 48.0mm
Pitch circle diameter (K): 82.5mm
Raised face diameter (Y): 24mm
Raised face height (RF): 1.5mm
Hub diameter at top (R): 42.9mm
Bore length (B): 27.7mm
Bore diameter (D): 11.0mm
Number of bolt holes: 4
Material: A105N
Rating: ASA 300
Type: Socket weld flange (ASME B16.5)

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

Alternative terminology:
Socket Weld Flange, SW Flange, ASA300, Carbon Steel, Raised Faced
Contact us for pricing 0.0 GBP
DN25 (1" NB) ASA150 RF SOCKET WELD FLANGE CS A105N
Outside diameter (O): 107.9mm
Hub diameter at base (C): 14.2mm
Length through hub (X): 49.2mm
Pitch circle diameter (K): 79.2mm
Raised face diameter (Y): 17.5mm
Raised face height (RF): 1.5mm
Hub diameter at top (R): 50.8mm
Bore length (B): 34.5mm
Bore diameter (D): 13.7mm
Number of bolt holes: 4
Material: A105N
Rating: ASA 150
Type: Socket weld flange (ASME B16.5)

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

Alternative terminology:
Socket Weld Flange, SW Flange, ASA150, Carbon Steel, Raised Faced
Contact us for pricing 0.0 GBP
DN25 (1" NB) ASA300 RF SOCKET WELD FLANGE CS A105N
Outside diameter (O): 124.0mm
Hub diameter at base (C): 15.7mm
Length through hub (X): 54.0mm
Pitch circle diameter (K): 88.9mm
Raised face diameter (Y): 25mm
Raised face height (RF): 1.5mm
Hub diameter at top (R): 50.8mm
Bore length (B): 34.5mm
Bore diameter (D): 13.0mm
Number of bolt holes: 4
Material: A105N
Rating: ASA 300
Type: Socket weld flange (ASME B16.5)

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

Alternative terminology:
Socket Weld Flange, SW Flange, ASA300, Carbon Steel, Raised Faced
Contact us for pricing 0.0 GBP
DN32 (1.1/4" NB) ASA150 RF SOCKET WELD FLANGE CS A105N
Outside diameter (O): 117.3mm
Hub diameter at base (C): 15.7mm
Length through hub (X): 58.6mm
Pitch circle diameter (K): 88.9mm
Raised face diameter (Y): 20.5mm
Raised face height (RF): 1.5mm
Hub diameter at top (R): 63.5mm
Bore length (B): 43.1mm
Bore diameter (D): 14.2mm
Number of bolt holes: 4
Material: A105N
Rating: ASA 150
Type: Socket weld flange (ASME B16.5)

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

Alternative terminology:
Socket Weld Flange, SW Flange, ASA150, Carbon Steel, Raised Faced
Contact us for pricing 0.0 GBP
DN32 (1.1/4" NB) ASA300 RF SOCKET WELD FLANGE CS A105N
Outside diameter (O): 133.0mm
Hub diameter at base (C): 17.5mm
Length through hub (X): 64.0mm
Pitch circle diameter (K): 98.5mm
Raised face diameter (Y): 25mm
Raised face height (RF): 1.5mm
Hub diameter at top (R): 63.5mm
Bore length (B): 43.2mm
Bore diameter (D): 14.0mm
Number of bolt holes: 4
Material: A105N
Rating: ASA 300
Type: Socket weld flange (ASME B16.5)

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

Alternative terminology:
Socket Weld Flange, SW Flange, ASA300, Carbon Steel, Raised Faced
Contact us for pricing 0.0 GBP
DN40 (1.1/2" NB) ASA150 RF SOCKET WELD FLANGE CS A105N
Outside diameter (O): 127.0mm
Hub diameter at base (C): 17.5mm
Length through hub (X): 65.0mm
Pitch circle diameter (K): 98.5mm
Raised face diameter (Y): 22.3mm
Raised face height (RF): 1.5mm
Hub diameter at top (R): 73.1mm
Bore length (B): 49.5mm
Bore diameter (D): 15.7mm
Number of bolt holes: 4
Material: A105N
Rating: ASA 150
Type: Socket weld flange (ASME B16.5)

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

Alternative terminology:
Socket Weld Flange, SW Flange, ASA150, Carbon Steel, Raised Faced
Contact us for pricing 0.0 GBP
DN40 (1.1/2" NB) ASA300 RF SOCKET WELD FLANGE CS A105N
Outside diameter (O): 155.0mm
Hub diameter at base (C): 19.0mm
Length through hub (X): 70.0mm
Pitch circle diameter (K): 114.3mm
Raised face diameter (Y): 29mm
Raised face height (RF): 1.5mm
Hub diameter at top (R): 73.1mm
Bore length (B): 49.5mm
Bore diameter (D): 16.0mm
Number of bolt holes: 4
Material: A105N
Rating: ASA 300
Type: Socket weld flange (ASME B16.5)

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

Alternative terminology:
Socket Weld Flange, SW Flange, ASA300, Carbon Steel, Raised Faced
Contact us for pricing 0.0 GBP
DN50 (2" NB) ASA150 RF SOCKET WELD FLANGE CS A105N
Outside diameter (O): 152.4mm
Hub diameter at base (C): 19.0mm
Length through hub (X): 77.7mm
Pitch circle diameter (K): 120.6mm
Raised face diameter (Y): 25.4mm
Raised face height (RF): 1.5mm
Hub diameter at top (R): 91.9mm
Bore length (B): 61.1mm
Bore diameter (D): 17.5mm
Number of bolt holes: 4
Material: A105N
Rating: ASA 150
Type: Socket weld flange (ASME B16.5)

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

Alternative terminology:
Socket Weld Flange, SW Flange, ASA150, Carbon Steel, Raised Faced
Contact us for pricing 0.0 GBP
DN50 (2" NB) ASA300 RF SOCKET WELD FLANGE CS A105N
Outside diameter (O): 165.0mm
Hub diameter at base (C): 20.6mm
Length through hub (X): 84.0mm
Pitch circle diameter (K): 127.0mm
Raised face diameter (Y): 32mm
Raised face height (RF): 1.5mm
Hub diameter at top (R): 91.9mm
Bore length (B): 62.0mm
Bore diameter (D): 17.0mm
Number of bolt holes: 8
Material: A105N
Rating: ASA 300
Type: Socket weld flange (ASME B16.5)

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

Alternative terminology:
Socket Weld Flange, SW Flange, ASA300, Carbon Steel, Raised Faced
Contact us for pricing 0.0 GBP
DN65 (2.1/2" NB) ASA150 RF SOCKET WELD FLANGE CS A105N
Outside diameter (O): 177.8mm
Hub diameter at base (C): 22.3mm
Length through hub (X): 90.4mm
Pitch circle diameter (K): 139.7mm
Raised face diameter (Y): 28.4mm
Raised face height (RF): 1.5mm
Hub diameter at top (R): 104.6mm
Bore length (B): 74.6mm
Bore diameter (D): 19.0mm
Number of bolt holes: 4
Material: A105N
Rating: ASA 150
Type: Socket weld flange (ASME B16.5)

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

Alternative terminology:
Socket Weld Flange, SW Flange, ASA150, Carbon Steel, Raised Faced
Contact us for pricing 0.0 GBP
DN65 (2.1/2" NB) ASA300 RF SOCKET WELD FLANGE CS A105N
Outside diameter (O): 190.0mm
Hub diameter at base (C): 23.9mm
Length through hub (X): 100.0mm
Pitch circle diameter (K): 149.3mm
Raised face diameter (Y): 37mm
Raised face height (RF): 1.5mm
Hub diameter at top (R): 104.6mm
Bore length (B): 74.7mm
Bore diameter (D): 19.0mm
Number of bolt holes: 8
Material: A105N
Rating: ASA 300
Type: Socket weld flange (ASME B16.5)

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

Alternative terminology:
Socket Weld Flange, SW Flange, ASA300, Carbon Steel, Raised Faced
Contact us for pricing 0.0 GBP
DN80 (3" NB) ASA150 RF SOCKET WELD FLANGE CS A105N
Outside diameter (O): 190.5mm
Hub diameter at base (C): 23.8mm
Length through hub (X): 107.9mm
Pitch circle diameter (K): 152.4mm
Raised face diameter (Y): 30.2mm
Raised face height (RF): 1.5mm
Hub diameter at top (R): 127.0mm
Bore length (B): 90.6mm
Bore diameter (D): 20.5mm
Number of bolt holes: 4
Material: A105N
Rating: ASA 150
Type: Socket weld flange (ASME B16.5)

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

Alternative terminology:
Socket Weld Flange, SW Flange, ASA150, Carbon Steel, Raised Faced
Contact us for pricing 0.0 GBP
DN80 (3" NB) ASA300 RF SOCKET WELD FLANGE CS A105N
Outside diameter (O): 210.0mm
Hub diameter at base (C): 26.9mm
Length through hub (X): 117.0mm
Pitch circle diameter (K): 168.1mm
Raised face diameter (Y): 41mm
Raised face height (RF): 1.5mm
Hub diameter at top (R): 127.0mm
Bore length (B): 90.7mm
Bore diameter (D): 21.0mm
Number of bolt holes: 8
Material: A105N
Rating: ASA 300
Type: Socket weld flange (ASME B16.5)

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

Alternative terminology:
Socket Weld Flange, SW Flange, ASA300, Carbon Steel, Raised Faced
Contact us for pricing 0.0 GBP
DN100 (4" NB) ASA150 RF SOCKET WELD FLANGE CS A105N
Outside diameter (O): 228.6mm
Hub diameter at base (C): 23.8mm
Length through hub (X): 134.8mm
Pitch circle diameter (K): 190.5mm
Raised face diameter (Y): 33.3mm
Raised face height (RF): 1.5mm
Hub diameter at top (R): 157.2mm
Bore length (B): 139.3mm
Bore diameter (D): 25.4mm
Number of bolt holes: 8
Material: A105N
Rating: ASA 150
Type: Socket weld flange (ASME B16.5)

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

Alternative terminology:
Socket Weld Flange, SW Flange, ASA150, Carbon Steel, Raised Faced
Contact us for pricing 0.0 GBP
DN150 (6" NB) ASA150 RF SOCKET WELD FLANGE CS A105N
Outside diameter (O): 279.4mm
Hub diameter at base (C): 23.8mm
Length through hub (X): 158.7mm
Pitch circle diameter (K): 234.9mm
Raised face diameter (Y): 36.5mm
Raised face height (RF): 1.5mm
Hub diameter at top (R): 215.9mm
Bore length (B): 157.5mm
Bore diameter (D): 28.6mm
Number of bolt holes: 8
Material: A105N
Rating: ASA 150
Type: Socket weld flange (ASME B16.5)

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

Alternative terminology:
Socket Weld Flange, SW Flange, ASA150, Carbon Steel, Raised Faced
Contact us for pricing 0.0 GBP