SUS304 nickel-based stainless steel
The most widely used representative steel type among austenitic stainless steels.
Combining durability and workability. SUS304 is fully handled by Kumagai from supply to processing.
1. What is SUS304 - The most widely used austenitic stainless steel - A highly reliable material specified in JIS G 4304/JIS G 4305 - Excellent balance of corrosion resistance and workability - Rich track record as a core material in equipment and machinery fields 2. Excellent material properties - High corrosion resistance due to chromium and nickel additions - Stable performance in atmospheric and water environments - Excellent weldability and formability, suitable for a wide range of processing 3. Wide range of applications and steel types - Food and kitchen equipment, chemical equipment, piping and tanks - Construction materials, industrial machinery, various equipment parts - Can be selected according to specific applications as general-purpose stainless steel 4. Kumagai Special Steel's responsiveness - Stable supply of standard and cut materials of SUS304 - Supply of various types including plates, steel pipes, shaped steel, and round bars - Comprehensive support from cutting, bending, to welding processing - Flexible response to small lot and short delivery time projects 5. Value proposition to customers - Proposing optimal materials according to the usage environment - One-stop support for materials and processing - A trusted partner supporting equipment procurement For quotes, click here↓↓↓ https://www.kumagai-steel.co.jp/contact/offer/
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basic information
SUS304 is the most commonly used grade of austenitic stainless steel, known for its excellent corrosion resistance and workability. It is primarily composed of chromium and nickel, manufactured under component management based on JIS standards, and has been a reliable stainless steel adopted for many years, particularly in the equipment and apparatus fields. 6. Main Specifications and Characteristics - Steel Type Classification: Austenitic Stainless Steel - Defined in JIS G 4304 (Hot-Rolled Steel Sheets and Strips) and JIS G 4305 (Cold-Rolled Steel Sheets and Strips) - High corrosion resistance due to chromium and nickel addition - Non-magnetic with stable mechanical properties 7. Features in Processing and Construction - Excellent weldability and formability, accommodating a wide range of processing - Capable of general processing such as cutting, bending, and drilling - Suitable for deep drawing and cold forming - Care is needed for work hardening compared to general steel 8. Performance Highlights - Exhibits excellent corrosion resistance in atmospheric and water environments - Stable toughness from high to low temperature environments - Reliability required for equipment and apparatus applications SUS304 is a highly versatile and proven stainless steel material used in a wide range of fields, including food equipment, chemical apparatus, piping and tanks, and construction components.
Price range
Delivery Time
P3
※At Kumagai Special Steel, we can handle SUS304 consistently from standard length sales to processed sales, regardless of the type. Please inquire about delivery times as processing may take some time.
Applications/Examples of results
SUS304 is a material widely used for various equipment components and structural materials as an austenitic stainless steel known for its excellent corrosion resistance and workability. It is manufactured under component management based on JIS standards and has been adopted for many years as a core material supporting the food, chemical, construction, and industrial equipment sectors. 8. Main Applications and Practical Examples - Food Equipment: Kitchen appliances, food manufacturing equipment, tanks - Chemical Equipment: Piping, vessels, component parts - Construction Sector: Interior and exterior materials, handrails, hardware - Industrial Equipment: Equipment frames, support components - Various Parts: Sheet metal and welded products 9. Evaluation Points in Practical Use - High corrosion resistance in atmospheric and water environments - Excellent workability with weldability and formability - Stable performance that accommodates a wide range of usage environments 10. Expected Future Market Areas - Equipment renewal demand in the food and medical sectors - Equipment fields emphasizing hygiene and corrosion resistance - Equipment materials conscious of reducing environmental impact - Support for small-lot products with diverse varieties SUS304 is a stainless steel material that is expected to have stable demand in a wide range of applications, primarily in the equipment and apparatus sectors, based on its versatility and reliability.
Line up（3）
| Model number | overview |
|---|---|
| SUS304L (low carbon type) | This is a low carbon steel type with reduced carbon content compared to SUS304, which minimizes the risk of intergranular corrosion during welding. Its corrosion resistance and workability are almost equivalent to SUS304, making it suitable for structures and piping applications where post-weld heat treatment is difficult. In facilities with many welded structures, SUS304L is often selected over SUS304. |
| SUS304H (high carbon type) | This is a steel grade with a higher carbon content than SUS304, designed to maintain strength in high-temperature environments. Its corrosion resistance is comparable to that of SUS304, but it excels in creep strength and high-temperature endurance, making it suitable for boiler components and high-temperature piping. SUS304 is commonly used for room temperature applications, while SUS304H is selected when high-temperature strength is required. |
| SUS304N1/304N2 (Nitrogen-added type) | This is a SUS304 series steel type that has enhanced strength by adding nitrogen (N). It maintains corrosion resistance equivalent to SUS304 while improving yield strength and tensile strength, making it suitable for structural applications where reduced thickness and lightweight are required. N2 is even higher in strength than N1 and has a proven track record in the field of construction structural materials. |
Company information
**Expanding Our Global Steel Business!** We support both **CIF and EX Works (EXW)** terms. **Delivering Japanese Specialty Steel to the World.** Since our establishment in 1913, we have been a specialized trading company of special steel for nearly a century, listening to the needs of many customers and building an ideal relationship between customers and steel manufacturers as a conductor of steel distribution. As a trading company with various processing equipment, including cutting machines and laser cutting machines, we also contribute to reducing our customers' capital investment. Please feel free to contact us if you have any requests.
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