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904L Stainless Steel Plate UNS N08904, 1.4539, Alloy 904L
Grade 904L stainless steel is a non-stabilized austenitic stainless steel with low carbon content. This high alloy stainless steel contains added copper to improve resistance to strong reducing acids such as sulphuric acid. The steel offers excellent resistance to stress corrosion cracking and crevice corrosion, and is non-magnetic with superior formability, toughness, and weldability.
Product Specifications
Products
UNS N08904 stainless steel plate
Thickness
3.0 - 30.0mm
Width
within 2000mm
Length
within 8000mm
Standard
ASTM A240
Standard Size
1500 x 6000mm
Surface
NO.1
Edge
Slit Edge
Manufacturer
BAOSTEEL
Key Features of Grade 904L
Non-magnetic properties
Superior corrosion resistance compared to Type 316L and 317L
Excellent resistance to sulphuric, phosphoric, and acetic acids
High resistance to crevice and stress corrosion cracking
Excellent formability and weldability
Chemical Composition
C
Mn
Si
P
S
Cr
Mo
Ni
Cu
0.02
2.00
1.0
0.045
0.035
19.0-23.0
4.0-5.0
23.0-28.0
1.0-2.0
Performance Characteristics
Grade 904L stainless steel provides excellent resistance to warm seawater and chloride attack. The high nickel content contributes to exceptional stress corrosion cracking resistance, while copper addition enhances resistance to sulphuric acid and other reducing agents in both aggressive and mild conditions.
The corrosion resistance of grade 904L falls between super austenitic grades (6% molybdenum) and standard 316L austenitic grades. While less resistant to nitric acid than molybdenum-free grades 304L and 310L, grade 904L requires solution treatment after cold working to achieve maximum stress corrosion cracking resistance in critical environments.
Typical Applications
Cooling equipment for seawater
Chemical processing of sulphuric, phosphoric and acetic acids
Heat exchangers and condenser tubes
Gas washing systems
Control and instrumentation
Oil and gas industry equipment
Pharmaceutical production
Wiring in electrostatic precipitators
Available Stock Sizes
Number
Thickness (mm)
Size
1
2.0
1219×2438mm
2
2.5
1219×2438mm
3
3.0
1219×2438mm, 1500×6000mm
4
4.0
1500×6000mm
5
5.0
1500×6000mm
6
6.0
1500×6000mm
7
8.0
1500×6000mm, 1800/2000mm width
8
10.0
1500×6000mm, 1800/2000mm width
9
12.0
1500×6000mm, 1800/2000mm width
10
14.0
1500×6000mm, 1800/2000mm width
11
16.0
1500×6000mm, 1800/2000mm width
12
18.0
1500×6000mm
13
20.0
1500×6000mm
14
22.0
1500×6000mm
15
24.0
1500×6000mm
16
26.0
1500×6000mm
17
28.0
1500×6000mm
18
30.0
1500×6000mm
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer
Year Established:
2012
Total Annual:
500,000,000-800,000,000
Employee Number:
100~200
Ecer Certification:
Verified Supplier
Company Overview :
The company has an indoor warehouse of 5000 square meters and an open warehouse of 4000 square meters, which can fully meet the temporary turnover and phased storage of customers' steel pipe reservation.
The subordinate processing plant has 6 sets of medium frequency h... Company Overview :
The company has an indoor warehouse of 5000 square meters and an open warehouse of 4000 square meters, which can fully meet the temporary turnover and phased storage of customers' steel pipe reservation.
The subordinate processing plant has 6 sets of medium frequency h...