1/2 Inch To 24 Inch Stainless Steel Flanges
Full-Spectrum Flange Offerings for All Piping Requirements
SSM manufactures standard and custom stainless steel flanges from ½ inch to 24 inches (DN15 to DN600), covering all industrial applications. Our comprehensive inventory ensures immediate availability of common sizes with custom manufacturing capabilities for special requirements.
Size-Specific Flange Specifications
1. Dimensional Coverage by Flange Type
| Flange Type | Size Range | Wall Thickness Options | Common Standards |
|---|---|---|---|
| Weld Neck | ½"-24" | SCH 10S to SCH XXS | ASME B16.5, EN 1092-1 |
| Slip-On | ½"-24" | SCH 40S to SCH 160S | ASME B16.5, DIN 2576 |
| Blind | ½"-24" | 0.25" to 3" thickness | ASME B16.5, DIN 2527 |
| Threaded | ½"-12" | SCH 80S to SCH 160S | ASME B1.20.1, ISO 7 |
| Lap Joint | ½"-24" | SCH 10S to SCH 80S | ASME B16.9, MSS SP-43 |
2. Pressure Class Availability by Size
| Size Range | Available Pressure Classes |
|---|---|
| ½"-12" | 150# to 2500# (PN6 to PN100) |
| 14"-18" | 150# to 900# (PN6 to PN40) |
| 20"-24" | 150# to 600# (PN6 to PN25) |
3. Material Grades by Application
| Size Group | Recommended Materials | Typical Uses |
|---|---|---|
| ½"-4" | 316L, 317L | Instrumentation, sampling |
| 5"-12" | 304, 316 | Process piping, pumps |
| 14"-18" | 304H, 316H | Heat exchangers |
| 20"-24" | 321, 347 | High-temp headers |
Manufacturing Capabilities
Size-Specific Production Methods
Small Sizes (½"-4"): CNC precision machining from bar stock
Medium Sizes (5"-12"): Forged then machined
Large Sizes (14"-24"): Plate cutting and forming
Quality Assurance by Size
½"-12": 100% dimensional verification
14"-24": Additional UT testing
All Sizes: Material certification (EN 10204 3.1/3.2)
Industry Applications by Size
Small Sizes (½"-4")
Instrumentation connections
Sample points
Utility piping
Valve manifolds
Medium Sizes (5"-12")
Pump connections
Heat exchanger piping
Process skids
Compressor stations
Large Sizes (14"-24")
Main process headers
Tank farm piping
Cooling water systems
Flare lines
Why Choose SSM for Full-Size Flanges?
✔ Complete Size Range Under One Roof
✔ Size-Specific Manufacturing Expertise
✔ Competitive Pricing Across All Sizes
✔ Fast Delivery - Standard Sizes in Stock
✔ Technical Support for Large-Diameter Applications
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