ss 304 coil

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.

It has higher elongation and higher drawdown properties, mixed with low yield energy. This makes it best for products as numerous as kitchen utensils and architectural paneling. Type 304 stainless steel is tougher to machine than carbon metal and low alloy metal due to its higher energy and higher work hardening rate. Therefore, more power and decrease processing speed are required, leading to shortened device life and problem in acquiring a easy floor A240-304 stainless steel plates. Use extremely-low carbon austenitic stainless steels, similar to 304L and 316L, can cut back the formation of chromium carbide and scale back the likelihood of chromium-depleted envelope. With the properties that the SS 304L Sheet holds, they’re transferring by way of completely different quality testing. So, a few of the checks which are performed are hardness, hydrostatic, ultrasonic, micro, macro, optimistic material identification, and intergranular corrosion resistance.

Stainless steel plate inlcudes plates of stainless-steel and acid-resistant steel, it has type of forms as plates, coils and sheets, widespread use grades are 304/304L and 316/316L, 321 and etc. Refer to chemical composition 316 chrome steel contains component Mo, which is the explanation that 316/316L has higher corrosion resistance than 304/304L, particularly in excessive temperature conditions. Therefore, engineers often select 316 materials in excessive temperature environments. However, if the environment consist sulfuric acid, do not use 316/316L for top temperature, because the Molybdenum shall be simply reacts to high-priced sulfur ions and type sulfides. Our water jet slicing capabilities for 304 stainless steel plates are as much as 6” x 120 x a hundred and forty four. This fully austenitic alloy was initially designed as a temperature alloy, and subsequently has good high temperature properties for temperatures around 1800ºF.

AISI 316 is best than grade 304 in certain properties, corrosion resistance and heat resistance, and so forth. For more information, please verify 304 vs 304L stainless-steel and 304 vs 316 stainless-steel. Grade 304 stainless-steel is the most versatile and essentially the most extensively used of all stainless steels.

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.

Type 304L is also utilized in home purposes specifically in houses close to sea so it helps to resist corrosion in moisture and salty climate. Aesteiron Steels is called a one of the largest stockist and supplier of Stainless steel Sheets and Plates we stock over 800 ton stock in grades like 304/ 304L/ 316/ 316L/ 310/ 321/ 317L and 904L. Stainless Steel 304 Sheet is made up of an austenitic stainless-steel that has 18% chromium and eight% nickel in the composition. The sheets are robust, delicate corrosion resistant and have applications in quite a lot of industries. The Stainless Steel 304 Sheet also has manganese, carbon, silicon, sulfur, nitrogen and phosphorus in the composition. The materials is powerful and has 205MPa minimal yield power and 515MPa minimal tensile power generally. exposure of the 18-8 austenitic stainless steels to temperatures within the 800°F to 1500°F (427°C to 816°C) range might trigger precipitation of chromium carbides in grain boundaries.

304 stainless steel carbon content

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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• This grade of sheet holds numerous options like heat resistance, corrosion resistance, superior finishing, good energy and toughness at cryogenic temperature and many more.
• The properties are like corrosion resistance, crevice corrosion resistance, pitting corrosion resistance.
• Some of the properties that are there in high the plates and sheets are due to the carbon alloying element present within the alloy.
• Moreover, the stainless steel grade 304 and 304L is the rationale that the SS 304L Plate is nice at inheriting totally different properties.

ss 304 square tube sizes

SS 304 stainless steel has glorious welding efficiency and doesn’t require preheating, however requires related filler material composition but excessive alloy content material. Ensure that the weld contains 5-10% ferrite during welding to keep away from cracking of the weld. Reduce the carbon content material, corresponding to using 304L, stabilized stainless, or adding niobium , to keep away from weld corrosion. 304 might require subsequent reannealing after soldering or warmth remedy to realize 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 chrome steel, AISI 303 is a free-machining steel, principally a variant of 304, which increases the phosphorus and sulfur content and improves the machinability.

The addition of the additional carbon in 304H stainless-steel plate significantly results the mechanical properties of 304H stainless-steel plate. The tensile strength of grade 304H chrome steel plate is seventy four.69 ksi. The yield strength of 304H chrome steel plate at 0.2% is 29.seventy three ksi. On the Brinell hardens scale, 304H stainless-steel plate has a hardness of 201 and on the Rockwell B scale, it has a hardness of ninety two. The increased carbon content delivers a greater tensile and yield power.

astm 304l

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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Prolonged heating within the temperature range of chromium carbide might affect alloys 321 and 347 in harsh corrosive media. Mainly utilized in high temperature functions, high temperature functions require sturdy sensitization of supplies to stop intergranular corrosion at decrease temperatures. Unlike 304L, 304H stainless-steel plate has a better carbon content material making the chrome steel plate extra suitable for use in applications the place elevated temperatures are present. It is an austenitic chromium-nickel steel alloy and the higher carbon content delivers an elevated tensile and yield energy.

Higher strengths are attainable through cold working the fabric and is still absolutely austenitic after extreme cold-working. This working doesn’t enhance the anti-galling properties as is normal for carbon steels and a few stainless steels. The benefit to the cold or sizzling work put into the fabric is added power and hardness, and the wear and tear resistance does not decrease noticeably.

304 stainless steel flat bar

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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