ALLOY 304 • UNS S30400 • WNR 1.4301

ALLOY 304 • UNS S30400 • WNR 1.4301

ALLOY 304 • UNS S30400 • WNR 1.4301 Alloys 304 (S30400) 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...
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Product Details

ALLOY 304 • UNS S30400 • WNR 1.4301

Alloys 304 (S30400) 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 304 useful for applications where welding is required. Uses include architectural mouldings and trim, welded components of chemical, textile, paper, pharmaceutical and chemical industry processing equipment.

Available Tube Product form

Straight

Coiled

Seamless

Seam welded and cold redrawn

Seam welded, cold redrawn and annealed


Technical Data

Mechanical Properties

Temper304
Tensile Rm

76

ksi (min)

Tensile Rm

517

MPa (min)

R.p. 0.2% Yield

31

ksi (min)

R.p. 0.2% Yield

207

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)


304
ElementMinMax

C

-

0.08

Mn

-

2

Ni

8

10.5

Cr

18

20

S

-

0.03

N

-

0.1

Si

-

0.75

P

-

0.045


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