ANSI / ASME B16.5 Flange Dimensions
SSM provides ANSI/ASME-compliant pipes, fittings, flanges, fasteners, gaskets, and valves that meet ANSI/ASME standards, including requirements for dimensions and tolerances. For more products and technical support, please contact us.

ANSI / ASME B16.5 Class 150 Flanges Dimensions
ANSI/ASME B16.5 Class 150 Flanges are widely used in industrial applications and are suitable for low-pressure environments. Pressure rating: Class 150 (maximum working pressure of 150 psi at ambient temperature).
- Size range: Typically from 1/2″ to 24″.
- Materials: Carbon steel, stainless steel, alloy steel, etc.
- Seal face types: Raised Face (RF), Flat Face (FF), Ring Type Joint (RTJ), etc.

ANSI / ASME B16.5 Class 300 Flanges Dimensions
ANSI/ASME B16.5 Class 300 Flanges are commonly used in industrial applications for medium-pressure environments. Pressure rating: Class 300 (maximum working pressure of 300 psi at ambient temperature).
- Size range: Typically from 1/2″ to 24″.
- Materials: Carbon steel, stainless steel, alloy steel, etc.
- Seal face types: Raised Face (RF), Flat Face (FF), Ring Type Joint (RTJ), etc.

ANSI / ASME B16.5 Class 400 Flanges Dimensions
ANSI/ASME B16.5 Class 400 Flanges are designed for use in high-pressure environments. Pressure rating: Class 400 (maximum working pressure of 400 psi at ambient temperature).
- Size range: Typically from 1/2″ to 24″.
- Materials: Carbon steel, stainless steel, alloy steel, etc.
- Seal face types: Raised Face (RF), Flat Face (FF), Ring Type Joint (RTJ), etc.

ANSI / ASME B16.5 Class 600 Flanges Dimensions
ANSI/ASME B16.5 Class 600 Flanges are used in high-pressure applications. Pressure rating: Class 600 (maximum working pressure of 600 psi at ambient temperature).
- Size range: Typically from 1/2″ to 24″.
- Materials: Carbon steel, stainless steel, alloy steel, etc.
- Seal face types: Raised Face (RF), Flat Face (FF), Ring Type Joint (RTJ), etc.

ANSI / ASME B16.5 Class 900 Flanges Dimensions
ANSI/ASME B16.5 Class 900 Flanges are designed for very high-pressure applications. Pressure rating: Class 900 (maximum working pressure of 900 psi at ambient temperature).
- Size range: Typically from 1/2″ to 24″.
- Materials: Carbon steel, stainless steel, alloy steel, etc.
- Seal face types: Raised Face (RF), Flat Face (FF), Ring Type Joint (RTJ), etc.

ANSI / ASME B16.5 Class 1500 Flanges Dimensions
ANSI/ASME B16.5 Class 1500 Flanges are designed for very high-pressure applications. Pressure rating: Class 900 (maximum working pressure of 900 psi at ambient temperature).
- Size range: Typically from 1/2″ to 24″.
- Materials: Carbon steel, stainless steel, alloy steel, etc.
- Seal face types: Raised Face (RF), Flat Face (FF), Ring Type Joint (RTJ), etc.

ANSI / ASME B16.5 Class 2500 Flanges Dimensions
ANSI/ASME B16.5 Class 2500 Flanges are designed for very high-pressure applications. Pressure rating: Class 900 (maximum working pressure of 900 psi at ambient temperature).
- Size range: Typically from 1/2″ to 24″.
- Materials: Carbon steel, stainless steel, alloy steel, etc.
- Seal face types: Raised Face (RF), Flat Face (FF), Ring Type Joint (RTJ), etc.