How to Specify and Predict Ferrite Number in Stainless Steel Welds

7/22/2019 How to Specify and Predict Ferrite Number in Stainless Steel Welds

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number is t

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Magneticproperties

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specify a

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a higher nu

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nd predict

stainless st

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FN

Mechanicalproperties

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duringwelding

of properties

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= Ni + 35 C +

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Fig. 3 W

Chromi

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ollectively a

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with varyin

monly used

C 1992 Diag

um Equivale

ickel Equival

ferrite n

Chromium

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Cr and Ni e

RC 1992 di

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consu

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ferrite n

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errite modul

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ferrite nu

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2013

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eck For: co

mill test cer

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WRC 1992

ical compos

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ferrite n

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check your

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rite number.

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itrogen

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ferrite n

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creep ruptureh temperatur

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toughness at

temperature

2013

nd predict

weld dilutio

ifferent wit

errite c

Fluxcomposition

Heat i

e

Lo

Sus

C

pros

ferrite n

Su

- L

in

- F

fe

n obviously

different w

ntent

nput

FN

eptibility to hcracking

ompromisedmechanicalerties in Duplainless steels

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bmerged Ar

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lux composit

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How t

ed ferr

itic typi

es: C: 0.03;

eld metals:

cations: C: 0.

ax.

8.0

2.0

5.0

70

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specify a

ite rang

cal che

n: 4.5; Cr: 2

: 0.12; Mn:

03; Mn: 4.5;

Severe corr

Heat resisti

Cryogenic a

High temp

High temp

High temp

For duplex

2013

nd predict

es

ical c

; Ni: 22; Mo:

; Cr: 25; Ni: 2

r: 17; Ni: 16;

osion (like in Ure

ng weld metals li

pplications belo

rature applicatio

rature applicatio

rature applicatio

stainless steels

ferrite n

mpositi

2; N: 0.15

0.5

Mo: 2.5

Plants)

e SS310

-105 C

s up to 700 C

up to 350 C

up to 400 C

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on




11/11

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How t

errite n

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taking a w

g with stainl

specify a

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tant role in

lves exposu

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f a wel

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nt the facto-to-use mo

on. The pur

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ferrite n

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only used

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he ferrite nut Ferrite to

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How to Specify and Predict Ferrite Number in Stainless Steel Welds

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