Duplex 2205 And Cronifer 2205 LCN Stainless Steel

Duplex 2205 And Cronifer 2205 LCN Stainless Steel

Duplex 2205 and Cronifer 2205 LCN Stainless Steel Duplex stainless steels are magnetic and are far more corrosion resistant than more commonly used stainless grades, ie 302 and 316. Chemical Composition The above tensile strength ranges are typical. If you require different please ask.
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Duplex 2205 and Cronifer 2205 LCN Stainless Steel

Duplex stainless steels are magnetic and are far more corrosion resistant than more commonly used stainless grades, ie 302 and 316.


Chemical Composition

ElementMin %Max %
C0.03
Si1.00
Mn2.00
P0.035
S0.015
Cr21.0023.00
Ni4.506.50
Mo2.503.50
N0.100.22


SpecificationsDesignationsKey FeaturesTypical Applications

ISO 15156-3
(NACE MR 0175)

W.Nr 1.4462
UNS S31803
2205
AWS 167

Greater corrosion resistance than stainless steel 300 series.
Greater pitting resistance and uniform corrosion resistance to stress corrosion cracking than stainless steel 300 series.
Good weldability.

Chemical processing.
Oil and gas refining.
Marine environments.
Pollution control equipment.


Density

7.8 g/cm³

0.282 lb/in³

Melting Point

1470°C

2680°F

Coefficient of Expansion

13.7 μm/m °C (21 – 100°C)

7.610 x 10-6 in/in °F (70 – 212°F)

Modulus of Rigidity

76.9 kN/mm²

11154 ksi

Modulus of Elasticity

200 kN/mm²

29008 ksi


Heat Treatment of Finished Parts
Condition as supplied by Alloy Wire

Type

Temperature


Time (Hr)

Cooling

°C

°F

Annealed or Spring Temper

Stress Relieve

250

480

1

Air


Properties

Condition

Approx. tensile strengthApprox. operating temperature

N/mm²

ksi

°C

°F

Solution Annealed

700 – 900

102 – 131

-200 to +300

-330 to +570

Spring Temper

1300 – 1900

189 – 276

-200 to +300

-330 to +570


The above tensile strength ranges are typical. If you require different please ask.


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