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F44(UNS S31254)
F44(UNS S31254)
Category：Super stainless steel
Phone :+86 17863510107
WhatsApp : +86 17863510107
Email : cici@hamanjinshu.com
Add : Hunan Road,Liaocheng Shandong,China P.C.252000
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Product Parameter :

F44 Material introduction

F44(UNS S31254)It is a super austenitic stainless steel with high Cr, high Mo and high N, and also has super corrosion resistance in harsh environments such as high temperature seawater. Under some conditions, it has corrosion resistance comparable to Hastelloy and pure titanium, and is an economical stainless steel. The company can supply forgings, flanges and pipe fittings.


F44 chemical composition

element

C

Si

Mn

P

S

Ni

Cr

Mo

Cu

N

minimum

-

-

-

-

-

17.5

19.5

6.0

0.5

0.18

maximum

0.020

0.80

1.00

0.030

0.010

18.5

20.5

6.5

1.0

0.22


F44 Physical and mechanical properties

density

melting point

8.0g/cm³

1360-1405℃



tensile strength
N/MM²

0.2%yield strength
N/MM²

Elongation
%

hardness
HB

≥655

≥310

≥35

≥223


F44 Heat treatment system

F44 is austenitic stainless steel, so heat treatment shall be carried out as per standard austenitic stainless steel.
Generally available heat treatment conditions are as follows.

Solution heat treatment 1125-1175 ℃, water cooling.