UNS N10665 sheet/bar/pipe
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Equivalent designations

UNS N10665

DIN W. Nr. 2.4617

 

Introduction:

Stock Forms: Hollow bar,Round bar, Flat Bar, Hex Bar, Ring, Forgings. Pipes

 

Form

ASTM

Rod

B 335

Plate, sheet and strip

B 333, B 906

Seamless pipe and tube

B 622

Welded pipe

B 619, B 775

Welded tube

B 626, B 751

Welding fitting

B 366

Forged or rolled pipe flange and forged fitting

B 462

Billet and bar for reforging

B 472

Forging

B 564


Chemical composition

%

Ni

Mo

Fe

Cr

Co

C

Mn

Si

P

S

min

balance

26.0

 

 

 

 

 

 

 

 

max

30.0

2.0

1.00

1.00

0.020

1.00

0.10

0.040

0.030


Physical properties

Density

9.22 g/cm3

Melting range

1330-1380℃

 

Features:UNS N10665 has outstanding resistance to hydrochloric acid at all concentrations and temperatures. It also has significant resistance to reducing environments like sulfuric, phosphoric, acetic acids and other nonoxidizing media. UNS N10665 has excellent resistance to pitting corrosion, stress corrosion cracking, and knife line and weld heat-affected zone attack. UNS N10665 has poor resistance to oxidizing environments, therefore, it should not be used where ferric or cupric salts are present as these salts may cause rapid corrosion failure.

 

Applications:Equipment handling reducing chemical environments; and chemical process industry involving hydrochloric, sulfuric, phosphoric and acetic acids.

 

 

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