1.4307 stainless steel

304 full hard stainless steel

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.

304 stainless-steel is the most versatile and extensively used austenitic stainless-steel on the planet, because of its corrosion resistance. 304 stainless can be cheaper in cost in comparison with 316, another excuse for its recognition and widespread use. Alloy 304 a T-300 collection stainless steel austenitic, which has a minimal of 18% chromium and eight% nickel. It is the standard “18/8 stainless” that’s commonly found in pans and cooking instruments. Alloy 304 is probably the most versatile and extensively used alloy in the stainless steel household.

For more extreme corrosion situations, when 304 stainless steel is simply too delicate to pitting or crevice corrosion by chlorides or general corrosion in acidic functions, it is generally changed by 316 stainless steel. When it comes to offering stainless-steel solutions, Marlin Steel relies on grade 316 stainless-steel to manufacture its in-stock merchandise and custom wire baskets. However, the addition of nickel and molybdenum also makes grade 316 a costlier alloy than stainless-steel 304 per ounce of material. Grade 304 stainless steel is especially exceptional for its high tensile power of about 621 MPa . Stainless steel 304 alloy has a most operating temperature of about 870˚C. UNS S20910 Round Bars / DIN 1.3964 Forged Bars / Xm-19 Barscan be avail as rolled, forged in annealed condition with black or shiny finish.

• Two of the more commonly used grades of austenitic chrome steel are grades 304 and 316.
• When choosing a stainless steel that must endure corrosive environments, austenitic stainless steels are typically used.
• Possessing wonderful mechanical properties, the excessive amounts of nickel and chromium in austenitic stainless steels also provide excellent corrosion resistance.
• To help you determine which grade is true on your project, this blog will look at the distinction between 304 and 316 stainless-steel.
• Tradewell Ferromet can offer Wide range ofAISI 304, SAE 304, 304L,304H, 304 Stainless Steel Bar & Rods, 304 round bars, aisi 304 bar, sae 304 square bar, 304l bright bar, 304L solid bar, 304H annealed bars, 304 flat barfrom prepared inventory or on make to order basis.

Low carbon content material means less carbide precipitation within the heat-affected zone throughout welding and a lower susceptibility to intergranular corrosion. If you’ve an application with very highly effective corrosives or depends on chlorides, then paying a premium for grade 316 stainless-steel is certainly worth it. In such functions, 316 stainless will final many instances longer than grade 304 stainless-steel would—which might imply many further years of helpful life.

However, corrosion can occur in environments containing chlorides. 304 stainless-steel just isn’t as corrosion-resistant as 316 stainless steel. AISI 304 (1.4301) is a widely-used austenitic chromium-nickel stainless steel. It has excellent drawing properties and excellent formability, while it is also extremely corrosion-resistant.

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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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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stainless steel 304 cost per kg

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.

Our engineers and metallurgists shall be pleased to provide further information and purposes recommendation. It is an austenitic, corrosion resistant steel with excellent energy, toughness, fabrication characteristics and weldability. The low carbon version, 304L, could also be required for full corrosion resistance when thicker sections are welded. The 304H model has a assured minimum carbon content, which ensures good power at high temperatures.

The melting range of 316 is 2,500 °F – 2,550 °F (1,371 °C – 1,399 °C), roughly 50 to a hundred degrees Fahrenheit lower than the melting level of grade 304 stainless steel. The most simple distinction between grade 304 and grade 316 stainless steels is that 316 tends to have extra nickel and a little bit of molybdenum within the combine.

304 stainless steel strip

The common mechanical properties of the two metals are largely comparable. To the layman, the differences between one grade of chrome A240-304 stainless steel plates steel and one other are simple to overlook.

Chloride-resistant stainless steels are especially in style in offshore use. Many duplex grades offer a combination of properties from each austenitic and ferritic stainless steels. Popular grades of austenitic stainless-steel include 303, 304, 316, 310 and 321 grades. While stainless-steel will get a big part of its corrosion resistance from chromium, there are close to-infinite mixtures of various metals marketed as stainless-steel today. In most purposes the metal is used the place its corrosion resistance provides lengthy lasting appearance and service life. The ease of cleansing and of maintaining a hygienic surface on the metal make it excellent for many functions.

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aisi 304 specification

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