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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.

a2 aisi 304

304 chrome steel plate has a minimum tensile power of seventy five ksi and a minimal yield energy at 0.2% of 30 ksi. This sort of chrome steel plate has a most Brinell hardness of 201 and a Rockwell B hardness of 92. 304L stainless-steel plate has a minimum tensile power of 70 ksi and a yield power at 0.2% of 25 ksi. This chrome steel plate additionally has an elongation of 40%, a most hardness of 201 on the Brinell scale and a hardness of 92 on the Rockwell B scale.

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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304 stainless steel plate also contains at most 2.0% manganese and 0.seventy five% silicon. it also accommodates not more than 0.045% phosphorous, 0.03% sulfur and between 18.0% and 20% chromium. 304 stainless-steel plate also is made of between 8.0% and 10.5% nickel and at most 0.10% nitrogen. 304 stainless-steel plate is comprised of not more than 0.08% carbon while 304L stainless steel plate contains a maximum of 0.03% carbon. The different major distinction in chemical composition between these two stainless steel plates grades is the amount of nickel.

aisi 304l

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.

aisi 304 hardness

Sensitization occurs when kind 304 austenitic stainless-steel is heated between 425 and 815 °C. Carbon and chromium combine to type chromium carbide, which precipitates on the crystal boundary, so the Cr content near the grain boundary is greatly lowered, and becomes a Cr-depleted area. Alloy SS 304 is the austenitic grade stainless-steel that’s used to carry the stress vessels within the elevated temperatures. However, there are totally different A240-304 stainless steel plates parts which the SS holds like carbon molybdenum and others. The SS 304L is the low carbon version of the stainless-steel grade 304 which is there with utilizing within the high-temperature surroundings. This is the way in which that the sheet and plate are developed with the help of the alloying steel grades. The term ‘corrosion resistant metal’ is used when the alloy has lower than the 12% minimum of chromium, for example within the aviation industry.

aisi 4301

In some circumstances, the low carbon Alloy 304L could show a lower corrosion price than the higher carbon Alloy 304. The information for formic acid, sulfamic acid, and sodium hydroxide illustrate this.

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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• The low carbon version, 304L sheets are very good for welding applications as they’ve much less carbide precipitation and less localized corrosion.
• The ASME SA240 Stainless Steel 304 Coil Thickness ranges as much as 200mm and the width and the size ranges extensively relying on the application requirements as nicely.
• Stainless Steel 304 Sheet is made up of an austenitic stainless-steel that has 18% chromium and eight% nickel in the composition.

Moreover, the chrome steel grade 304 and 304L is the rationale that the SS 304L Plate is good at inheriting completely different properties. Some of the properties which are there in high the plates and sheets are due to the carbon alloying factor present within the alloy. The properties are like corrosion resistance, crevice corrosion resistance, pitting corrosion resistance. In the same means, with the assistance of other alloying parts current in the stainless steel grade, the SS 304 Sheet is holding many different properties too. The properties which it holds are high tensile strength, nice toughness, stability in the elevated temperature, weldability, ductility, durability, and others.

ASTM A240 Type 304 PDF R Pipe Overseas is considered one of India’s main manufacturers of high qualityStainless Steel 304 Platewhich discover utility across various sectors. We offer qualitative these SS 304 Plates in numerous sizes and shapes which might be being designed as per the national and worldwide normal high quality of raw supplies. OurASTM A240 TP304 Plateare part of the austenitic household of stainless steel and they’re one of the versatile and widely used varieties of stainless Plate. These SS 304 Plates are a comparatively low price stainless product and utilized in a variety of applications.

Stainless metal 304 is the most primary stainless steel known as 18-8 grade with larger chromium and low carbon content material. The low carbon content restricts carbide precipitation throughout welding in addition to minimizes its susceptibility to intergranular corrosion. Stainless steel 304L is an additional low-carbon variation of SS304 with a 0.03% maximum carbon content that eliminates carbide precipitation due to welding.

304 could require subsequent reannealing after soldering or heat treatment to achieve optimum corrosion resistance, softness and ductility. Because intergranular corrosive chromium carbide is dissolved in the course of the annealing course of. AISI 304L is the low carbon version of 304 stainless steel, AISI 303 is a free-machining steel, mainly a variant of 304, which will increase the phosphorus and sulfur content and improves the machinability. AISI 316 is best than grade 304 in certain properties, corrosion resistance and warmth resistance, and so on. For extra data, please verify 304 vs 304L stainless steel and 304 vs 316 stainless-steel. The chrome steel sheet has the power to face up to basic corrosion similar to the unstable nichrome 304. Prolonged heating in the temperature range of chromium carbide may affect alloys 321 and 347 in harsh corrosive media.

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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