SUS904L Stainless Steel | SUS904 | SS904

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SUS904L Stainless Steel | SUS904 | SS904  Stainless Steel


We are the Leading Supplier of Stainless Steel 904L. 
SUS904L Stainless Steel (SS904L) is a non-stabilized austenitic stainless steel with low carbon content.

We supply and export to Singapore , Indonesia , Brunei and other ASEAN Countries.  
Our specialty is to provide wide range of stainless steel
 with no minimum order (MOQ).

E Steel supply Stainless Steel SUS904L (SS904L) Round Bars / Rods / Shafts , SUS904L Plates and Sheets.  




Stainless Steel SUS904L Suppliers - SUS904 , SS904L , UNS N08904 

Stainless Steel 904L ( 1.4539 ) stainless steel is a non-stabilized austenitic stainless steel with low carbon content. This high alloy stainless steel is added with copper to improve its resistance to strong reducing acids, such as sulphuric acid. The steel is also resistant to stress corrosion cracking and crevice corrosion. Stainless Steel 904L is non-magnetic, and offers excellent formability, toughness and weldability.

Chemical Composition of SUS904L 

Grade C Mn Si P S Cr Mo Ni Cu
SUS904L
min.

max.

0.02

2

1

0.045

0.035

19

23

4

5

23

28

1

2



Mechanical Properties of SS904L 

Grade Tensile Strength (MPa) min Yield Strength 0.2% Proof (MPa) min Elongation (% in 50mm) min Hardness
Rockwell B (HR B) Brinell (HB)
SUS 904L 490 220 36 70-90 typical 150


Physical Properties of Stainless Steel SUS904L 

Grade Density
(kg/m3)
Elastic Modulus
(GPa)
Mean Co-eff of Thermal Expansion (µm/m/°C) Thermal Conductivity
(W/m.K)
Specific Heat 0-100°C
(J/kg.K)
Elec Resistivity
(nΩ.m)
0-100°C 0-315°C 0-538°C At 20°C At 500°C
SS 904L 7900 190 15 11.5 500 952


Corrosion Resistance of SS904L Stainless Steel 

SS904L stainless steels have excellent resistance to warm seawater and chloride attack. The high resistance of SUS 904L stainless steel against stress corrosion cracking is due to the presence of high amounts of nickel in its composition. Moreover, the addition of copper to these grades develops resistance to sulphuric acid and other reducing agents in both aggressive and mild conditions.

The corrosion resistance of 904L is intermediate between super austenitic grades, with 6% molybdenum content, and standard SUS316L austenitic grades. stainless steel grade 904L is less resistant to nitric acid than grades SUS304L and SUS310L, which are free of molybdenum. This steel grade needs to be solution treated following cold working, to achieve maximum stress corrosion cracking resistance under critical environments.


Heat Resistance of SUS904L , SS904L 

SUS904L stainless steels offer good oxidation resistance. However, the structural stability of this grade collapses at high temperatures, particularly above 400°C.


Heat Treatment

stainless steels SUS904L ( N08904 ) can be solution heat-treated at 1090 to 1175°C, following by rapid cooling. Thermal treatment is suitable for hardening these grades.


Welding

Welding of grade 904L ( 1.4539 ) stainless steels can be performed using all conventional methods. This grade does not require pre-heat and post-weld heat treatments. SS904L can be subjected to hot cracking in constrained weldment. SS904L electrodes and rods are used for welding grade 904L steels according to AS 1554.6.


Fabrication

SS904L stainless steels are high purity steels with low sulphur content. They can be machined using any standard methods. These grades can be readily bent to a small radius



Applications of Stainless Steel SUS904L , SS904L 

Chemical plant, oil refinery, petrochemical plants, bleaching tanks for the paper industry, combustion gas desulfurisation plants, application in sea water, sulphuric and phosphoric acid. Due to the low C-content, the resistance to intergranular corrosion is also guaranteed in the welded condition.



Our Sales & Supplier Network

Australia, Pakistan,  Malaysia, Singapore, Taiwan, China,Vietnam, Belgium, Japan, South Korea, Philippines, France, United Kingdom, Indonesia, Thailand, Hong Kong, China, Sweden, United States, Dubai, Finland, Brunei,Germany.

E Steel is a Global Metal Procurement Company in providing and sourcing raw materials to the wide range of engineering industries / sectors.  We works as the the Online B2B Metal Marketplace to help our customers in finding the special steels that might feel hard to source locally.  


 

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