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S32760 （1.4501）

Summary

Grade 1.4501 is austenitic-ferritic also referred to as super duplex stainless steel, combine many of the beneficial properties of ferritic and austenitic steels. It offers enhanced pitting and crevice corrosion resistance in environments, where standard stainless and duplex steels are unsuitable. The duplex microstructure contributes higher strength and resistance to stress corrosion cracking, combined with good weldability features.

Standard Product Forms

Chemical Composition Wt,%

Min

Max.

Min.

Max.

Min.

Max.

Ni

6

8

Cu

0.5

1.0

C

0.03

Cr

24

26

Co

Si

1.0

Fe

Al

P

0.035

Mo

3

4

Ti

S

0.015

W

0.5

1.0

Mn

1.0

N

Physical

Constants

Density,g/

Melting Range,℃

Typical Mechanical Properties

Tensile (UTS)

730-930N/mm²

0.2% Proof Stress

530 N/mm²Min

Elongation

25% min

Hardness

290HB Max

Impact

100J