Stainless steel grade 304N is the most commonly used stainless steel. Stainless steel grade 304N has better corrosion resistance than grade 302, and is mostly non-magnetic in nature; however when cold worked it acquires a slightly magnetic quality.
STANDARDS
|
INDUSTEEL TRADEMARKS
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UNS
|
ASTM
|
EURONORMS EN
|
SUS
|
304N
|
S30451
|
304N
|
1.4315
X5CrNiN19-9
|
SUS 304N1
|
CHEMICAL ANALYSIS (%WEIGHT)
|
C
|
Cr
|
Ni
|
Mo
|
N
|
Others
|
< 0,080
|
18,5
|
8,5
|
-
|
0,17
|
|
PROPERTIES
|
0,2 Y.S. - Rp 0,2min ASTM / EN
|
0,2 Y.S. - Rp 0,2(2)typical value
|
UTS - Rm min ASTM / EN
|
UTS - Rm(2)typical value
|
EI-A(1)%
|
PREN(4)
|
HOMOLOGATIONS
|
MPa
|
Ksi
|
MPa
|
Ksi
|
MPa
|
Ksi
|
MPa
|
Ksi
|
|
|
Last revised
|
270
|
39
|
350
|
51
|
550
|
80
|
610
|
88
|
40
|
21
|
|
APPLICATIONS
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CHEMICAL INDUSTRIES
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PROCESS INDUSTRIES
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WATER TREATMENT
|
STORAGE & TRANSPORTATION
|
Nitric Acid
|
Sulfuric Acid
|
Polymer& otheracids
|
Fertilisers
|
Pulp& Paper
|
Hydrome-tallurgy
|
Seawater& desalination
|
Freshwater &Tanks
|
Waste Water
|
Chemical Tanks
|
Cryogenic Tanks
|
Renewable
|
POWER GENERATION
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OIL & GAS
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CONSTRUCTION
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Nuclear
|
Pollution control
|
Hydroelectric
|
Renewable
|
Off & Onshore & production
|
Refining & Gas processing
|
Petrochemical
|
Architecture
|
Bridges
|
For more technical details :
(1) Indicative typical values
(2) Indicative typical values for thickness 20 mm at RT for transverse direction
(3) Hardening 496°C (925°F), 4h, air cooling
(4) PREN = Cr + 3.3 Mo + 16N
(5) PRENW = Cr + 3.3(Mo + 0.5W) + 16N
(6) HT: mechanical properties depend on heat treatment