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Forged Steel Flanges
Pipe Flanges Standards/Specifications

Buffalo Flange, Inc. products are manufactured in accordance with industry accepted standards including ASTM, ANSI, and ASME specifications.

Buffalo Flange has the capability to produce quality forged steel flanges to the following specifications (and more):

ASTM A350     LF1, LF2 & LF6 (Low Temperature)
ASTM A350     LF3 (Low Temperature: 3 1/2% Nickel)
ASTM A707     through L3 Class 3 (Low Temperature)
ASTM A182     F1 (Carbon Molybdenum)
ASTM A182     F5 (4-6% Chrome; .5% Molybdenum)
ASTM A182     F9 (9% Chrome; 1% Molybdenum)
ASTM A182     F11 (1.25% Chrome; .5% Molybdenum)
ASTM A182     F12 (1.00% Chrome; .5% Molybdenum)
ASTM A182     F22 (2.25% Chrome; 1% Molybdenum
ASTM A182     304 & 304L (Stainless)
ASTM A182     316 & 316L (Stainless)
ASTM A182     321 (Stainless)
ASTM A182     347 (Stainless)
ASTM A694     F42 through F65 (High Strength)
DIN Flanges - We meet a variety of DIN flange specifications

Click here for the flange dimension specification spread sheet in a pdf format.

(To print the pdf file, set your printer, through the browser, to legal paper and landscape orientation)



Click here for the flange dimension specification sheet [pdf format]


Please use our Quote Form to provide us with the description and specifications of your flange requirements.

To inquire or place an order for quality forged steel flanges, call us at 713-943-9600, WATS 1-800-231-4174 or email us today!

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