DN450 (18" NB) ASA600 RF BOSSED SLIP ON FLANGE CS A105N

Flange outside diameter: 742.9mm (O)
Flange thickness: 82.5mm (C)
Flange hub height: 117.3mm (Y)
Pitch Circle Diameter (PCD): 654.0mm (K)
Raised Face Height: 6.3mm (RF)
Bolt Holes: 24 off 44.4mm diameter
Bore Diameter: 461.7mm (B)
Material: Carbon Steel
Grade: A105N
Standards: ASME B16.5
Flange Face: Raised Face
Certification Available: 3.1 BS EN 10204 Material Certification

Alternative terminology:
Slip on Flange, Weld on, Carbon Steel, Raised Faced, ASA 600LB, SOB