Stainless Steel & Alloy Flanges
Weld neck, slip-on, blind, socket weld flanges in all materials per ASME B16.5 / B16.47. Ready stock for fast delivery.
Overview
TOKO TECH manufactures and stocks a complete range of stainless steel and alloy pipe flanges from 1/2" to 48" in pressure ratings from 150# to 2500#. Our flange offering includes all standard types — weld neck, slip-on, blind, socket weld, threaded, and lap joint — in austenitic, duplex, and nickel alloy grades to ASME B16.5, ASME B16.47, and API 6A specifications.
Explore by Type
Select a specific type below for detailed specifications, mechanical properties, and applications:
Key Features & Quality Control
Specifications
| Process | Material | OD Range | WT Range | Standard |
|---|---|---|---|---|
| Weld Neck | 304 / 304L | 1/2" – 48" | 150# / 300# / 600# / 900# / 1500# / 2500# | ASME B16.5 / B16.47 |
| Weld Neck | 316 / 316L / Duplex | 1/2" – 24" | 150# / 300# / 600# / 900# / 1500# | ASME B16.5 |
| Slip-On | 304 / 304L / 316 / 316L | 1/2" – 24" | 150# / 300# / 600# | ASME B16.5 |
| Blind | 304 / 304L / 316 / 316L / Duplex | 1/2" – 48" | 150# / 300# / 600# / 900# / 1500# / 2500# | ASME B16.5 / B16.47 |
| Socket Weld | 304 / 304L / 316 / 316L | 1/2" – 3" | 150# / 300# / 600# / 1500# / 3000# | ASME B16.5 |
Typical Applications
Vessel & Tank Connections
Weld neck flanges for pressure vessel nozzles, tank manways, and heat exchanger connections in chemical and petrochemical plants.
Pipeline Flanged Joints
Slip-on and weld neck flanges for creating removable connections in long-distance pipelines and process piping networks.
Blanking & Isolation
Blind flanges for permanent or temporary isolation of pipe ends, pressure test boundaries, and future tie-in points.
Offshore Platforms
High-pressure flanges rated to 2500# for wellhead connections, production manifolds, and subsea tie-ins on offshore installations.
Applicable Standards
Explore Materials Used in This Product
Review detailed material data, chemical composition, and mechanical properties for every grade we offer:
Need a Quote for Stainless Steel & Alloy Flanges?
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