304 stainless steel

304 stainless steel, an austenitic 18/8 alloy, is renowned for its corrosion resistance, versatility, and formability, making it the material of choice across various applications. With a protective chromium oxide layer and enhanced durability from nickel, it excels in both industrial and culinary environments, resisting many organic and inorganic compounds. Its resilience in extreme temperatures suits it for heat-sensitive applications, while its aesthetic appeal secures its place in architectural design. Overall, the balanced properties of 304 ensure its status as a reliable and attractive solution for a wide range of uses.

CHEMICAL COMPOSITION &
MECHANICAL PROPERTIES

CHEMICAL COMPOSITION AND MECHANICAL PROPERTIES

Typical Chemical Composition % (max values, unless noted)									Add New	Add New	Add New	Add New	Add New	Add New	Add New	Add New
Grade	C	Mn	P	S	Si	Ni	Cr	Mo
304	0.08	2.0 max	0.04	0.03	1.00	8.0-11.0	18.0-20.0
Typical Mechanical Properties
Grade	Tensile Strength		Add New	Yield Strength		Add New	Elongation in 2 in. or (50mm)		Add New	Brinell Hardness	Rockwell Hardness
	min		Add New	min		Add New	min		Add New	max	max
	ksi	Mpa	ksi	Mpa	%
304	75	517	30	207	35		Add New	192	90

Common Trade names
and Equivalent grades

Grade 304 is called as 304 stainless steel, 304 stainless, sus 304, S 304, AISI 304, 1.4301 stainless steel.

304 STAINLESS STEEL FEATURES

Good Corrosion Resistance

It exhibits excellent resistance to a wide range of atmospheric environments and many corrosive substances, making it ideal for use in varied applications, from kitchenware to architectural cladding.

Good Formability and Weldability

304 stainless steel is known for its good formabilty and weldability, allowing for the efficient joining of pieces without compromising the steel's structural integrity.

Heat Resistance

It can withstand relatively high temperatures, making it suitable for applications requiring exposure to heat.

Excellent strength and toughness

Even in high temperatures environment, 304 still performs excellent strength and touchness, which is an advantage over many materials.

Durability

Its robustness ensures longevity and reliability in harsh or demanding environments, reducing the need for frequent replacements and maintenance.

Non-Magnetic

In its annealed state, 304 stainless steel is generally non-magnetic, which is important for certain electronic and electrical applications.

Aesthetic Appeal

With its bright, easily maintained surface, 304 stainless steel is used in many decorative applications, offering both functionality and visual appeal.

Hygienic

The alloy's ease of cleaning and lack of surface contamination makes it ideal for food and pharmaceutical processing environments.

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304 stainless steel FAQ

Can 304 stainless steel be heat-treated?

Yes, it can be heat-treated to change the structure and mechanical properties, but it cannot be hardened by heat treatment like carbon and low alloy steels.

What welding methods can be used on 304 stainless steel?

It can be welded using most common welding methods, including TIG, MIG, and resistance welding, typically without preheating. It is important to use proper welding techniques to avoid issues like corrosion and maintain its mechanical properties.

Is 304 stainless steel magnetic?

In its annealed state, 304L is generally non-magnetic.

Is 304 stainless steel recyclable?

Yes, it is 100% recyclable without any degradation in quality.

What are the temperature limits for using 304 stainless steel?

It maintains its properties up to 870°C (1598°F), but continuous use at 425-860°C (797-1580°F) is not recommended due to carbide precipitation.

304 stainless steel

CHEMICAL COMPOSITION &
MECHANICAL PROPERTIES

CHEMICAL COMPOSITION AND MECHANICAL PROPERTIES

Common Trade names
and Equivalent grades