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S32750 （1.4410）

Summary

Stainless steel S32750(Alloy2507, F53, DIN 1.4410) is a super duplex stainless steel with 25% chromium, 4% molybdenum, and 7% nickel. The high chromium, molybdenum and nitrogen levels provide excellent resistance to pitting, crevice and general corrosion. This material has excellent resistance to chloride stress corrosion cracking, high thermal conductivity and a low coefficient of thermal expansion, further, the impact strength is also high

Standard Product Forms

Chemical Composition Wt,%

Min

Max.

Min.

Max.

Min.

Max.

Ni

6

8

Cu

0.5

C

0.03

Cr

24

26

Co

Si

0.8

Fe

Al

P

0.035

Mo

3

5

Ti

S

0.020

W

Mn

2.0

N

0.24

0.32

Tensile

Strength

Psi

Mpa

Ksi

116000

800

116

Yield Strength

Psi

Mpa

Ksi

Elongation

in 2 in

(min.)%

Max.

Hardness

Modulusof Elasticity (x 106 psi)

Mean

Coefficient

of Thermal

Expansion

(IN_/IN_/℉ x10-6)

80000

550

80

15

32 Rc

27.5

7.2