Alloy Steel Flanges
ASTM A182 F11 / F22 / F91 · Grade F11: 1.25Cr-0.5Mo per ASTM A182
5 products5 with full dimension tables
Material Reference: Alloy Steel
Alloy steel flanges for elevated-temperature service in power boilers and high-temperature process plants. Grades F11, F22, and F91 match the corresponding pipe and fitting materials for full system compatibility.
- Grade F11: 1.25Cr-0.5Mo per ASTM A182
- Grade F22: 2.25Cr-1Mo per ASTM A182
- Grade F91: 9Cr-1Mo-V per ASTM A182
- Standard: ASME B16.5
- PWHT: Required after welding
Dimensions in millimetres. All specifications subject to change without notice.
ASME · MSS · IS standards