Flanges
Industrial flanges for your next project
A comprehensive range of quality flanges for secure and reliable connections across various piping applications and ratings.
Flanges are critical components in industrial piping projects, designed to securely join pipe sections, valves, pumps, and pressure equipment while allowing easy maintenance and inspection. At Pipechem, we supply and fabricate a comprehensive range of high-performance industrial flanges engineered to strict local and international standards.
Forged from premium-grade carbon steel, stainless steel, and specialty alloys, our flanges offer exceptional tensile strength, elevated corrosion resistance, and thermal durability under severe operating pressures and temperatures. Whether for high-pressure steam, chemical processing, slurry transport, or water treatment infrastructure, our inventory delivers uncompromised mechanical reliability.
Flange Specifications
Pipechem supplies high-quality steel flanges that cater to both local and international certifications. Perfect for your next installation.
ASME B16.5
Pipe flanges and flanged fittings (NPS ½ through NPS 24).
ASME B16.47
Large diameter steel flanges (NPS 26 through NPS 60).
ASME B16.48
Pipeline isolation components.
EN1092-1
Circular flanges for pipes, valves, fittings and accessories (PN Designated).
EN1759-1
Circular flanges for pipes, valves, fittings and accessories (Class Designated).
Flange Options
Types
Blind Flange, Weld Neck, Slip-On, Socketweld, Long Weld Neck.
Faces
Raised Face, Flat Face, Ring Joint, Smooth Finish.
Size Range
Pipe flanges and flanged fittings (NPS ½ through NPS 24).
Wall Thickness
Large diameter steel flanges (NPS 26 through NPS 60).
Flange Materials
We supply carbon steel flanges, low temperature flanges, stainless steel flanges and a variety of alloy flanges.
Carbon Steel
SA105N, P245GH, P250GH, P280GH
Low Temperature
LF2, LF3
Chrome Molley
16Mo3, 10Cr, 13Cr, F5, F9, F11, F22
Stainless Steel
F304, FP304L, F304H, F310, F310H, F316, F316L, F317, F317L, F321, F321H, F347, F347H, F904, F904L, Duplex – F51, Alloy 20, Monel, Inconel
Flange Stock Holdings
These are some of the flange stocks we generally have on hand, ready to supply. Contact us to confirm availability or to source alternative flanges.
| Product | Size Range |
| SA105N | 3/8” – 26” |
| SA105N | 1/2” – 26” |
| SA105N (B16.47 & B16.5) | 26” – 48” |
| SA105N (B16.47 & B16.5) | 26” – 48” |
| EN10222-2 P235GH | 1/2” – 12” |
| EN10222-2 P265GH | 1/2” – 24” |
| SA350 LF3 | 1/2” – 12” |
| SA350 LF2 | 1/2” – 24” |
| SA182 F5 | 1/2” – 24” |
| SA182 F9 | 1/2” – 24” |
| SA182 F11 CL1 & CL2 | 1/2” – 24” |
| SA182 F22 | 1/2” – 24” |
| EN10222-2 16Mo3 | 1/2” – 24” |
| EN10222-2 13CrMo4-5 | 1/2” – 12” |
| EN10222-2 10CrMo9-10 | 1/2” – 8” |
| SA182 F304 / L | 1/2” – 24” |
| SA182 F310 / H | 1/2” – 8” |
| SA182 F316 / L | 1/2” – 24” |
| SA182 F317 / L | 1/2” – 8” |
| SA182 F321 / H | 1/2” – 24” |
| SA182 F347 / H | 1/2” – 8” |
| SA182 F904 / L | 1/2” – 8” |
| SA182 F51 | 1/2” – 12” |
| B462 UNS N08020 Alloy 20 | 1/2” – 6” |
Let us supply, import or manufacture flanges to your needs.
We supply flanges in carbon steel, stainless and alloy to all provinces across South Africa.