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E STEEL SDN. BHD.
No 1 & 3, Lorong Sungai Puloh 7/KU6, Kawasan Perindustrian Sungai Puloh, 42100 Klang, Selangor, Malaysia.
SUS304 Stainless Steel | SUS304L | SS304 | AISI 304
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We are the Leading Supplier of Stainless Steel SUS304
SUS304 is the standard “18/8” stainless; it is the most versatile and most widely used stainless steel, available in a wider range of products, forms and finishes than any other.
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 304 (SUS304, SS304) Round Bars , Stainless Steel 304L (SUS304L, SS304L) Round Bars and Rods , SUS304 / SS304 Plates.
Stainless Steel SUS304 Suppliers - SUS304 , SUS304L , UNS S30400, AISI 304
SUS304 is the standard “18/8” stainless; it is the most versatile and most widely used stainless steel, available in a wider range of products, forms and finishes than any other. It has excellent forming and welding characteristics. The balanced austenitic structure of Stainless Steel Grade 304 enables it to be severely deep drawn without intermediate annealing, which has made this grade dominant in the manufacture of drawn stainless parts such as sinks, hollow-ware and saucepans.
For these applications it is common to use special “304DDQ” (Deep Drawing Quality) variants. Type 304 Stainless Steel is readily brake or roll formed into a variety of components for applications in the industrial, architectural, and transportation fields. Grade 304 also has outstanding welding characteristics. Post-weld annealing is not required when welding thin sections.
Grade 304L, the low carbon version of 304, does not require post-weld annealing and so is extensively used in heavy gauge components (over about 6mm). Grade 304H with its higher carbon content finds application at elevated temperatures. The austenitic structure also gives these grades excellent toughness, even down to cryogenic temperatures.
SUS304 Compositon Chemical Content
Fe, <0.08% C, 17.5-20% Cr, 8-11% Ni, <2% Mn, <1% Si, <0.045% P, <0.03% S
SUS304 & SUS304L Composition
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | |
| SUS304 |
min.
max. |
–
0.08 |
–
2.0 |
–
0.75 |
–
0.045 |
–
0.030 |
18.0
20.0 |
– |
8.0
10.5 |
–
0.10 |
| SUS304L |
min.
max. |
–
0.030 |
–
2.0 |
–
0.75 |
–
0.045 |
–
0.030 |
18.0
20.0 |
– |
8.0
12.0 |
–
0.10 |
SS304 SS304L Mechanical Properties
| Grade | Tensile Strength (MPa) min | Yield Strength 0.2% Proof (MPa) min | Elongation (% in 50mm) min | Hardness | |
| Rockwell B (HR B) max | Brinell (HB) max | ||||
| SS304 | 515 | 205 | 40 | 92 | 201 |
| SS304L | 485 | 170 | 40 | 92 | 201 |
Physical Properties of SS304 SUS304L Stainless Steel
| Grade | Density (kg/m3) | Elastic Modulus (GPa) | Mean Coefficient of Thermal Expansion (μm/m/°C) | Thermal Conductivity (W/m.K) | Specific Heat 0-100°C (J/kg.K) | Electrical Resistivity (nΩ.m) | |||
| 0-100°C | 0-315°C | 0-538°C | at 100°C | at 500°C | |||||
| 304/L/H | 8000 | 193 | 17.2 | 17.8 | 18.4 | 16.2 | 21.5 | 500 | 720 |
SUS304 SUS304L Corrosion Resistance
Excellent in a wide range of atmospheric environments and many corrosive media. Subject to pitting and crevice corrosion in warm chloride environments, and to stress corrosion cracking above about 60°C. Considered resistant to potable water with up to about 200mg/L chlorides at ambient temperatures, reducing to about 150mg/L at 60°C.
SS304 / SUS304 Heat Resistance
Good oxidation resistance in intermittent service to 870°C and in continuous service to 925°C. Continuous use of SUS304 in the 425-860°C range is not recommended if subsequent aqueous corrosion resistance is important. SUS304L is more resistant to carbide precipitation and can be heated into the above temperature range.
SUS 304H has higher strength at elevated temperatures so is often used for structural and pressure-containing applications at temperatures above about 500°C and up to about 800°C. SUS304H will become sensitised in the temperature range of 425-860°C; this is not a problem for high temperature applications, but will result in reduced aqueous corrosion resistance.
Dual Certification for SUS304 & SUS304L
It is common for SS304 and SS304L to be stocked in “Dual Certified” form, particularly in plate and pipe. These items have chemical and mechanical properties complying with both SS304 and SS304L specifications. Such dual certified product does not meet SS304H specifications and may be unacceptable for high temperature applications.
Stainless Steel SUS304 SUS304L Applications
- Food processing equipment, particularly in beer brewing, milk processing & wine making.
- Kitchen benches, sinks, troughs, equipment and appliances
- Architectural panelling, railings & trim
- Chemical containers, including for transport
- Heat Exchangers
- Woven or welded screens for mining, quarrying & water filtration
- Threaded fasteners
- Springs
Stainless Steel SUS304L SUS316L Suppliers Singapore
E Steel supply Stainless Steel Shafts SUS304L & SUS316L to Singapore Stockist weekly by truck10tons of SUS316L Shafts supplying to Singapore
E Steel is the Global Metal Procurement Company in providing and sourcing raw materials to a variety of engineering industries and sectors. We work as an online B2B Metal Marketplace to help our customers in finding the required steels that are difficult to source locally.