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F44 / S31254 / 1.4547 Super Austenitic Stainless Steel

F44 is a super austenitic stainless steel. It has a PREN of 42 to 45. Super austenitic grades have enhanced pitting and crevice corrosion resistance compared with ordinary austenitic or duplex materials. F44 nickel and chromium contents makes it resistant to a wide range of corrosive environments. This alloy is especially resistant to non-oxidizing acids such as sulphuric and phosphoric. The high molybdenum content and nitrogen provide resistance to pitting and crevice corrosion in a wide variety of aggressive, aqueous environments, while copper enhances its resistance to sulphuric acid.

One of the outstanding attributes of F44 alloy is its resistance to environments containing halides such as chlorides. F44 is especially suited to high-chloride environments such as sea water or brackish water, caustic chlorides and pulp mill bleach systems.

Applications

Applications for F44 super austenitic stainless steel include chemical and food processing, pulp and paper bleaching plants, marine and offshore platform equipment, desalination systems, air pollution control systems, and condenser tubing, service water piping, and feed-water heaters for the power industry.

F44 / S31254 Round Bar - Size Range (Ex-Stock):

Forged/Rolled, Solution-annealed, Machined bars cut to length if required.


Diameter Metric Diameter Imperial Tolerance
10.00 0.394 BG h9
12.70 0.500 BG h9
16.00 0.630 BG h9
19.05 0.750 BG h9
22.23 0.875 BG h9
25.40 1.000 PLD k12
28.58 1.125 PLD k12
31.75 1.250 PLD k12
34.93 1.375 PLD k12
38.10 1.500 PLD k12
41.28 1.625 PLD k12
44.45 1.750 PLD k12
47.63 1.875 PLD k12
50.80 2.000 PLD k12
57.15 2.250 PLD k12
63.50 2.500 PLD k12
69.85 2.750 PLD k12
76.20 3.000 PLD k12
82.55 3.250 PLD k12
88.90 3.500 PLD k12
95.25 3.750 PLD k12
101.60 4.000 PLD k12
114.30 4.500 PLD k12
127.00 5.000 PLD k12
130.00 5.118 -0/+1mm
139.70 5.500 PLD k12
152.40 6.000 PLD k12
160.00 6.299 -0/+1mm
165.10 6.500 PLD k12
177.80 7.000 PLD k12
190.50 7.500 PLD k12
203.20 8.000 PLD k12
210.0 8.268 k12
230.60 9.079 -0/+1mm
256.00 10.079 -0/+1mm
281.40 11.079 -0/+1mm
306.80 12.079 -0/+1mm
332.20 13.079 -0/+1mm
357.60 14.079 -0/+1mm
408.40 16.079 -0/+1mm
457.2 18.000 k12
508.0 20.000 k12

 

Call 01902 716333 for nationwide F44 super austenitic delivery.

Steel Express - Stainless steel suppliers and stockholders delivering throughout the West midlands and nationwide. Stock cut to size as required.Call now to place your order for rapid delivery.

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Based in Wolverhampton, West Midlands, Steel Express are steel suppliers and stockholders. Stock is delivered on our own fleet of vehicles locally and nationally quickly and efficiently on the day we say we will.

We also provide a free issue cutting service, press braking, fabrication and forging.

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