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Astm a182 f53 uns s32760

 

RELATED SPECIFICATIONS UNS S32750 F53 鈥 Super Duplex Stainless Steel

 

EN10088-3 X2CrNiMoN25-7-4
ASTM A182 F53
W.Nr. 1.4410
NORSOK D51 to D55

TYPICAL CHEMICAL COMPOSITION

PREn = Pitting Resistance Equivalent
PREn= Cr% + 3.3Mo% + 16N%

Carbon

0.03%

Silicon

0.80%

Manganese

1.20%

Phosphorous

<0.035%

Sulphur

<0.015%

Chromium

24.0 鈥 26.0%

Nickel

6.0 鈥 8.0%

Molybdenum

3.0 鈥 5.0%

Nitrogen

0.24 鈥 0.32%

PREn

>40

 

MECHANICAL PROPERTY REQUIREMENTS 鈥 Annealed condition

Yield

Tensile Strength

Elongation

Charpy Impact @Rt J

Hardness HB

>550Mpa (80KSI)

800 鈥 930Mpa
(116 鈥 135KSI)

15%

100

301HB Max

 

UNS S32750 F53 鈥 Super Duplex Stainless Steel

F53 is a super duplex stainless steel with a 50:50 austenite, ferrite microstructure. The material combines high mechanical strength and good ductility with excellent corrosion resistance in a variety of environments.

This material is generally supplied in the annealed condition giving yield strengths in excess of 80 KSI (550Mpa), this material cannot be hardened by heat treatment but stronger surface strengths can be achieved by cold working.

This alloy is generally supplied with a Pitting Resistance Equivalent (PREn) of greater than 40 which guarantees high resistance to pitting corrosion. In addition high resistance to crevice and stress corrosion coupled with the increased strength give this alloy the advantage over the austenitic (300 series) and 22%Cr duplex stainless steels.
Typical applications include many components for the chemical processing, marine, oil and gas, pollution control and food industries amongst others.

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