steel quality 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.

The term ‘corrosion resistant metal’ is used when the alloy has lower than the 12% minimum of chromium, for example within the aviation industry. There are completely different grades and floor finishes of stainless steel, relying on the place it will be used. Stainless steels have a higher resistance to oxidation and corrosion in lots of natural and man-made environments; nevertheless, it is important to choose the correct sort of stainless steel for the use. There are over one hundred fifty grades of stainless steel, of which fifteen are probably the most used. Grade ASTM A Stainless Steel is the standard “18/8” stainless; it is the most versatile and most generally used stainless-steel, obtainable in a wider vary of merchandise, types and finishes than any other. The balanced austenitic construction of Grade 304 permits it to be severely deep drawn with out intermediate annealing, which has made this grade dominant within the manufacture of drawn stainless parts corresponding to sinks, hole-ware and saucepans. For these functions it is common to make use of particular “304DDQ” variants.

Type 304/304L is the essential 18-eight chromium-nickel stainless steel. It combines glorious mechanical properties with outstanding resistance to many corrosive agents encountered in industrial and domestic use. The decrease carbon content material in 304L minimizes deleterious or harmful carbide precipitation on account of welding. 304L can, subsequently, be used “as welded” in extreme corrosion environments, and it eliminates the need for annealing. By adding enough nickel, the crystalline structure of the steel alloy modifications from a ferritic structure to an austenitic one. Most of the 300 collection grades are austenitic, giving them nice strength and corrosion resistance.

The alloys are used widely in equipment and utensils for processing and dealing with of meals, drinks, and dairy merchandise. Heat exchangers, piping, tanks, and other course of tools in contact with fresh water additionally make the most of these alloys. Although both 304 and 304L stainless-steel plate have similar chemical properties, there are a number of noticeable differences.

• One of essentially the most versatile and generally used stainless steels in the marketplace, Grade 304 chrome steel is essentially the most commonplace used alloy of this type.
• The stainless steel alloy resists most oxidizing acids and can face up to ordinary rusting although this doesn’t imply that the metal is not going to tarnish over time.
• The chromium content promotes the material’s considerable resistance to the results of corrosion and oxidation.
• Essentially, Grade 304 is an austenitic chromium alloy which is also called an “18/eight” stainless because the make-up of the steel is eighteen% chromium and 8% nickel.
• 304 Stainless Plate, essentially the most broadly used of the stainless and heat resisting steels.

Essentially, Grade 304 is an austenitic chromium alloy which is also called an “18/8” stainless because the make-up of the metal is eighteen% chromium and eight% nickel. The chromium content material promotes the material’s appreciable resistance to the effects of corrosion and oxidation. The chrome A240-304 stainless steel plates steel alloy resists most oxidizing acids and will stand up to odd rusting although this does not imply that the metal won’t tarnish over time. The metal needs to be cold labored to generate greater tensile energy.

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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aisi 304 x5crni18 10

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.

cost of ss 304 per kg

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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.

Stainless Steel Plate L ASTM A240 – Penn Stainless304 and 304L ASTM A240 stainless-steel plate is a regular 18-eight materials – that means it incorporates 18% chromium and 8% nickel. Alloy 304 is the usual alloy since AOD technology has made decrease carbon levels more simply attainable and economical.

To begin, 304 chrome steel plate is comprised of at most 0.08% carbon. 304 stainless steel plate also contains at most 2.0% manganese and 0.seventy five% silicon. it additionally incorporates no more than 0.045% phosphorous, 0.03% sulfur and between 18.0% and 20% chromium. 304 stainless-steel plate also is made from between eight.0% and 10.5% nickel and at most 0.10% nitrogen.

With its energy, sturdiness and corrosion resistance, the 304 grade is a major selection among stainless steels. Nickel helps improve the corrosion resistance of the metal and in addition makes it austenitic. Properties of austenitic steels include being non-magnetic and non-heat treatable. 304 chrome steel is also far less electrically and thermally conductive than carbon metal. Grade 304 chrome steel is essentially the most broadly used of the stainless steels. It combines great corrosion resistance with working flexibility.

Type 304L is a variation of Type 304 and has a lower carbon content material which improves weldability and lowers the danger of decreased corrosion resistance around the weld. Type 304L additionally has a slightly decrease yield and tensile power than Type 304.

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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