steel grade 304

Gangsteel produce ASTM A240 304 Stainless steel plates, S30400, A240 Type 304 Stainless steel cutting parts by water cutting, laser cutting and cnc cutting. ASTM a240 (chromium and chromium nickel stainless steel plate, sheet, and strip for pressure essels and general applications. a240 304 stainless steel is a common material in stainless steel with a density of 7.93g/cm3, which is also called 18 / 8 stainless steel in the industry. High temperature resistant 800 ��, with good processing performance and high toughness, it is widely used in industry, furniture decoration industry and food and medical industry.

stainless steel grades 304 316

Although these alloys have been used with mixed success in seawater , they don’t seem to be recommended for such use. Alloy 2507 with 4% Mo, 25% Cr, and seven% Ni is designed to be used in salt water.

The addition of copper to this grade offers it significantly improved resistance to robust decreasing acids, significantly sulphuric acid. It can be highly proof against A240-304 stainless steel plates chloride assault – both pitting / crevice corrosion and stress corrosion cracking. 316/316L chrome steel has a excessive resistance to many chemical corrodents and marine atmospheres.

Product Type	A 240 304 Sheet, A 240 304 Plate
SS 304 ASTM Standard Specification	ASTM A240 / ASME SA240
Thickness	0.1 to 3000 mm Thk
Width	10-2500mm
Length	2m, 2.44m, 3m, or as required
Finish	2B, 2D, BA NO (8), Cold rolled sheet (CR), Hot rolled plate (HR), SATIN (Met with Plastic Coated), No.1 finish hot rolled, 1D, 2B, No.4, BA, 8K, satin, hairline, brush, mirror etc.
Hardness	Half Hard, Soft, Hard, Quarter Hard, Spring Hard
Form	Sheet, Plate, Strip, Flats, Clad Plate, Coils, Foils, Plain Sheet, Flat Shim, Flat Sheet, Shim Sheet, Rolling Sheet, Rolling Plate, Rolls, Blank (Circle), soft annealed, descaled, tread plate, sheared, annealed, Checker Plate

A240 304 Stainless Application scope

System description: A240 304 stainless steel is the most widely used chromium-nickel stainless steel. As a widely used steel, it has good corrosion resistance, heat resistance, low temperature strength and mechanical properties; it has good hot workability such as stamping and bending.
, No heat treatment hardening phenomenon (use temperature -196℃～800℃).
Corrosion resistant in the atmosphere, if it is an industrial atmosphere or heavily polluted areas, it needs to be cleaned in time to avoid corrosion.
It is suitable for food processing, storage and transportation.
Has good processing properties and weldability.
Plate heat exchangers, bellows, household products (category 1, 2 tableware, cabinets, indoor pipelines, water heaters, boilers, bathtubs), auto parts (windshield wipers, mufflers, molded products), medical appliances, building materials, chemicals, food industry
, Agriculture, ship parts, etc.
304 stainless steel is a nationally recognized food grade stainless steel.

A 240 Gr 304 Mechanical Properties

Grade	ASME SA240 304 Mechanical Strength
	Yield	Tensile	Elongation	Hardness, max
ASME SA240 304	Min Mpa	Mpa	Min  %	Brinell	Rockwell B
	205	515	40%	201	92

 
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A 240 Gr 304 Chemical Composition

Plate Grade	The Element Maximum (%)
	C	Mn	P	S	Si	Cr	Ni
ASME SA240 304	0.08	2.00	0.045	0.030	0.75	18.0-20.0	8.0-10.5
	Mo	N	Cu
		0.10

For a240 304 stainless steel, the Ni element in its composition is very important, which directly determines the corrosion resistance and value of 304 stainless steel.

The most important elements in 304 are Ni and Cr, but they are not limited to these two elements.
Specific requirements are stipulated by product standards.
The common judgment in the industry is that as long as the Ni content is greater than 8% and the Cr content is greater than 18%, it can be considered as 304 stainless steel.
This is why the industry calls this type of stainless steel 18/8 stainless steel.
In fact, the relevant product standards have very clear regulations on 304, and these product standards have some differences for different shapes of stainless steel.
Below are some common product standards and tests.

 

ASTM A240 Equivalent AISI 304 stainless steel sheet

a 240 gr	JIS G4304	ASTM	UNS	KS	EN 10095	AS	CNS
a 240 gr 201	SUS201	201	S20100	STS201	1.4372	201-2	201
a 240 gr 202	SUS202	202	S20200	STS202	1.4373	–	202
a 240 gr 301	SUS301	301	S30100	STS301	1.4319	301	301
a 240 gr 304	SUS304	304	S30400	STS304	1.4301	304	304
a 240 gr 304L	SUS304L	304L	S30403	STS304L	1.4306	304L	304L
a 240 gr 304N	SUS304N1	304N	S30451	STS304N1	1.4315	304N1	304N1
a 240 gr XM21	SUS304N2	XM21	S30452	STS304N2	–	304N2	304N2
a 240 gr 304LN	SUS304LN	304LN	S30453	STS304LN	–	304LN	304LN

 

A240 304 stainless steel plate property requirement.

Tensile strength σb (MPa)≥515-1035

Conditional yield strength σ0.2 (MPa)≥205

Elongation δ5 (%)≥40

Reduction of area ψ (%)≥?

Hardness: ≤201HBW; ≤92HRB; ≤210HV

Density (20℃, g/cm³): 7.93

Melting point (℃): 1398~1454

Specific heat capacity (0~100℃, KJ·kg-1K-1): 0.50

 

ASTM / AISI/ SAE, DIN, Werkstoff grades or equivalents:

ASTM	BS 970 1991	AISI / SAE	Werkstoff
A240 SS 304L	304S11	304L	1.4306
A240 SS 304	304S15	304	1.4301
A240 SS 316L	316S11	316L	1.4404
A240 SS 316L	316S13	316L	1.4435
A240 SS 316	316S31	316	1.4401
A240 SS 316	316S33	316	1.4436

 

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316 and 316L stainless-steel plate additionally has many purposes within the food processing business, in sinks and splash backs, cutlery, saucepans and different equipment used within the dairy, wine, and beer processing industry. 316 and 316L chrome steel plate can be generally utilized in the textile and paper processing trade, along with in water treatment and petroleum refining systems. Because of its tolerance for corrosive mediums, 316 and 316L stainless-steel plate is utilized in marine setting as well. Another common use for 316 and 316L chrome steel plate is in the manufacturing and use of pressure vessels, tanks, warmth exchangers, piping techniques, flanges, fittings valves and pumps. Additional areas where 316 and 316L stainless steel plate is often utilized is within the manufacturing of lab equipment and in chemical processing and storage.

• Each alloy represents a wonderful mixture of corrosion resistance and fabricability.
• The 18-eight stainless steels, principally Alloys 304, 304L, and 304H, can be found in a variety of product varieties including sheet, strip, and plate.
• The 316 stainless-steel sheet has an unpolished surface, has been annealed, meets American Society for Testing and Materials International ASTM A240 specifications, and has a normal tolerance.
• The alloys are covered by quite a lot of specifications and codes referring to, or regulating, building or use of apparatus manufactured from these alloys for specific circumstances.
• This combination of properties is the explanation for the extensive use of these alloys which characterize practically one half of the total U.S. chrome steel production.

It is readily brake or roll shaped into a variety of parts for functions in the industrial, architectural, and transportation fields. Grade 316 stainless-steel plate additionally has outstanding welding characteristics. Grade 316L stainless-steel plate is the low carbon model of 316 stainless-steel plate and is extensively utilized in heavy gauge welded parts. Grade 316/316L is probably the second most typical used commercial grade of chrome steel provided into quite a few industry sectors. Swagat metal and alloys is knowledgeable supplier of stainless-steel plate INDIA. It is was awarded by the federal government as an excellent exporter of chrome steel plates to the worldwide market. To provide quick and quality services, a large-scale service center geared up with superior expertise & talents to meet demand from the corporate’s growing variety of prospects in INDIA and abroad.

ss 304 and 316

Product standard a240 304 stainless steel:For a240 304 stainless steel, the Ni element in its composition is very important, which directly determines the corrosion resistance of 304 stainless steel and its value.The most important elements in 304 are Ni and Cr, but they are not limited to these two elements. Specific requirements are specified by product standards. It is considered that 304 stainless steel can be considered as long as Ni content is more than 8% and Cr content is more than 18%. This is why the industry will call this kind of stainless steel 18 / 8 stainless steel. In fact, the relevant product standards have very clear provisions for 304, and these product standards have some differences for different shapes of stainless steel. Here are some common product standards and tests.

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It is the preferred metal to be used in marine environments because of its larger resistance to pitting corrosion than other grades of metal. The fact that it’s negligibly responsive to magnetic fields signifies that it can be used in functions where a non-magnetic steel is required. In addition to molybdenum, 316 also incorporates numerous different components in various concentrations. Like different grades of stainless-steel, marine grade stainless steel is a relatively poor conductor of both heat and of electricity when in comparison with metals and different conductive materials. The primary good thing about using 316and 316L stainless-steel plate over 304 and 304L chrome steel plate is it is typically more immune to corrosion. Because 316 and 316L stainless steel plate accommodates extra chromium and molybdenum, it holds up better beneath corrosive environments and in marine applications. 316 and 316L chrome steel plate has a relatively comparable chemical composition, however, chemically there’s one crucial distinction.

316/316L stainless steels are extra resistant to basic corrosion and pitting/crevices than standard austenitic stainless steels. 316/316L stainless steels also provide larger creep, stress-to-rupture and tensile power at elevated temperatures. Octal shares totally different dimensions of chrome steel plates, sheet, coils. If you’re on the lookout for special sizes or immdiate delivery simply contact us. The chrome steel sheet has the ability to withstand general corrosion similar to the unstable nichrome 304.

material 1.4301 stainless steel

In such functions, however, the acid concentration has a marked influence on the speed of assault and should be fastidiously determined. The time period ‘corrosion resistant metal’ is used when the alloy has lower than the 12% minimal of chromium, for example in the aviation trade. There are totally different grades and floor finishes of stainless steel, depending on where it is going to be used.

06cr19ni10 and SUS304 are the common marking methods on the market, among which 06cr19ni10 generally refers to national standard production, 304 generally refers to ASTM standard production, and SUS 304 refers to Japanese standard production.
304 is a kind of universal stainless steel, which is widely used to make equipment and parts with good comprehensive performance (corrosion resistance and formability). In order to maintain the inherent corrosion resistance of stainless steel, the steel must contain more than 18% chromium and more than 8% nickel. The stainless steel is produced according to ASTM 304.

steel grade 304 price

The austenitic stainless steels, together with the Alloys 316 and 317L, are routinely fabricated into quite a lot of shapes ranging from the quite simple to very advanced. These alloys are blanked, pierced, and fashioned on tools essentially the identical as used for carbon steel. The excellent ductility of the austenitic alloys permits them to be readily formed by bending, stretching, deep drawing, and spinning. However, due to their larger energy and work hardenability, the facility necessities for the austenitic grades during forming operations are significantly larger than for carbon steels.

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In order to determine whether a material is 304 stainless steel, it must meet the requirements of each element in the product standard. As long as one does not meet the requirements, it cannot be called 304 stainless steel. Gangsteel produce A240 304 Stainless steel plate, if you have requirement for stainless steel plate, please feel free to contact us by admin@gangsteel.com