Chrome Alloy Flanges
Chrome Alloy Flanges for High-Temp Service
Raised-face, flat-face, and RTJ chrome-moly flanges across ASME classes with full certification and export-ready packing.
150#–2500#Pressure classes
1/8"–36"Size envelope
RF / FF / RTJFace types
Capabilities at a Glance
Chrome-moly flange portfolio for refineries, power, and high-temp service.
Pressure Ratings
- 150#
- 300#
- 600#
- 900#
- 1500#
- 2500#
Face & Bore
- Raised Face (RF)
- Flat Face (FF)
- Ring Type Joint (RTJ)
- Custom bores/schedules
Size Coverage
- 1/8" – 36" standard
- Larger diameters on request
- Matching schedules per ASME B16.5 / B16.47
Configurations & Availability
Standard and specialty flange sets with export packing.
Core Flanges
Pipe & Process
- Weld Neck
- Slip-On
- Blind
- Lap Joint
Connection Types
- Threaded
- Socket Weld
- Reducing
- 1/8" – 36"
- RF / FF / RTJ
- Project bores available
Specialty & Measurement
Flow & Isolation
- Orifice Flanges
- Spectacle Blinds / Fig-8
- Spades & Spacers
High-Temp & Custom
- Chrome-moly P-grades
- Custom drilling & machining
- Export-ready packing
- Dimensional reports
Grades & Specifications
Chrome-moly P-grades supplied with full MTCs and traceability.
Primary Grades
| Material | Specification |
|---|---|
| Chrome Moly Grade P1 | A182 / SA182 F1 |
| Chrome Moly Grade P5 | A182 / SA182 F5 |
| Chrome Moly Grade P9 | A182 / SA182 F9 |
| Chrome Moly Grade P11 | A182 / SA182 F11 |
| Chrome Moly Grade P22 | A182 / SA182 F22 |
| Chrome Moly Grade P91 | A182 / SA182 F91 |
Assurance
Testing & Docs
- MTC EN 10204 3.1
- PMI / NDT as required
- Dimensional reports
Traceability
- Heat number stamping
- Export markings & packing