ALLOY 304L • UNS S30403 • WNR 1.4306

ALLOY 304L • UNS S30403 • WNR 1.4306

ALLOY 304L • UNS S30403 • WNR 1.4306 304L (S30403) stainless steels are variations of the 18 percent chromium – 8 percent nickel austenitic alloy, the most familiar and most frequently used alloy in the stainless steel family. High strength, excellent corrosion resistance and minimized carbon...
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Product Details

ALLOY 304L • UNS S30403 • WNR 1.4306

304L (S30403) stainless steels are variations of the 18 percent chromium – 8 percent nickel austenitic alloy, the most familiar and most frequently used alloy in the stainless steel family.

High strength, excellent corrosion resistance and minimized carbon content make Alloy 304L Stainless Steels useful for applications where welding is required.

Other advantages are its resistance to oxidation, excellent formability, ease of fabrication and cleaning, excellent strength to weight ratio and good toughness at cryogenic temperatures.

For severely corrosive environments,the lower content of Type 304L is preferred because of its greater immunity to intergranular corrosion.


Typical Applications

Moisture seperator reheaters

Feedwater tubes

Stator bars

Heat exchangers


Technical Data

Mechanical Properties

Temper304L

Tensile Rm

70

ksi (min)

Tensile Rm

485

MPa (min)

R.p. 0.2% Yield

25

ksi (min)

R.p. 0.2% Yield

170

MPa (min)

Elongation (2" or 4D gl)

40

% (min)


Physical Properties (Room Temperature)

Specific Heat (0-100°C)

500

J.kg-1.°K-1

Thermal Conductivity

16.2

W.m -1.°K-1

Thermal Expansion

17.2

μm/μm/°C

Modulus Elasticity

19.3

GPa

Electrical Resistivity

7.23

μohm/cm

Density

8.0

g/cm3


Chemical Composition (% by weight)


304L
ElementMinMax

C

-

0.08

Mn

-

2

Ni

8

12.0

Cr

18

20

S

-

0.03

N

-

0.1

Si

-

0.75

P

-

0.045


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