din 1.4301 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.

The two metal grades are comparable in look, chemical makeup and traits.Weldability Stainless Steel 316 vs 316 Ti American , 316l vs 316ti stainless steelIn other circumstances a 316L filler should give an identical weld steel aqueous corrosion resistance to that of the parent 316Ti material. Werkstoff Number for Stainless steel types A240-304 stainless steel plates 316 and 316L are 1.4401 and 1.4404 respectively. Type 304 Stainless Steel is essentially the most extensively used of the austenitic (chromium/nickel) stainless steels. In the annealed situation it’s basically non-magnetic and turns into slightly magnetic with the appliance of chilly work.

Each alloy represents a superb combination of corrosion resistance and fabricability. This mixture of properties is the reason for the extensive use of those alloys which symbolize almost one half of the total U.S. chrome steel production. The 18-8 stainless steels, principally Alloys 304, 304L, and 304H, can be found in a variety of product varieties including sheet, strip, and plate. The alloys are coated by quite a lot of specifications and codes relating to, or regulating, building or use of kit manufactured from these alloys for specific circumstances. Food and beverage, sanitary, cryogenic, and stress-containing purposes are examples. Stainless Steel 316, 316L, 316H, Often referred to as “Marine Grade” chrome steel it has very comparable bodily properties to 304 and can be used in fabrication in a lot the same means. However, by together with molybdenum in its formulation it has elevated corrosion resistance significantly in opposition to “pitting corrosion”.304 vs 316 Stainless Steel – The Pros and Cons Arthur HarrisStainless 316 contains extra nickel than stainless 304, while 304 incorporates extra chromium than 316.

stainless steel 304 hairline finish

The surest heat therapy to perform both requirements is the answer anneal which is carried out within the 1850°F to 2050°F range (1010°C to 1121°C). Cooling from the anneal temperature should be at sufficiently excessive charges via °F (816°C – 427°C) to keep away from reprecipitation of chromium carbides. One of essentially the most versatile and commonly used stainless steels on the market, Grade 304 stainless-steel is probably the most standard used alloy of this kind. Essentially, Grade 304 is an austenitic chromium alloy which is also called an “18/8” stainless as the make-up of the metal is eighteen% chromium and 8% nickel. The fatigue power or endurance limit is the maximum stress below which materials is unlikely to fail in 10 million cycles in air environment. For austenitic stainless steels as a group, the fatigue power is often about 35 % of the tensile strength.

astm a554 grade mt304

• It is instantly brake or roll shaped into a variety of components for applications in the industrial, architectural, and transportation fields.
• 316 stainless-steel plate has wonderful forming and welding traits.
• It has notably larger resistance to pitting and crevice corrosion in chloride environments.
• The molybdenum gives 316 stainless-steel plate higher overall corrosion resistant properties than grade 304 stainless steel plate.
• Grade 316L chrome steel plate is the low carbon model of 316 stainless-steel plate and is extensively utilized in heavy gauge welded elements.

This is a factor in the manufacture and handling of sure food and pharmaceutical products where the molybdenum-containing stainless steels are sometimes required to be able to decrease metallic contamination. The annealed austenitic stainless steels maintain a high level of impression resistance even at cryogenic temperatures, a property which, in combination with their low temperature strength and fabricability, has led to their in depth use in cryogenic functions. Representative Charpy V-notch impact information for annealed Type 316 at room temperature are shown beneath. These chrome steel plates have some crucial mechanical properties. Grade 316 chrome steel plate has a minimal tensile energy of 75 ksi and a yield power at 0.2% of 30 ksi. On the Brinell hardness scale 316 stainless-steel plate has a hardness of 217 and a Rockwell B hardness of ninety five. There are a couple of variations in mechanical properties between 316 and 316L stainless steel plate.

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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316Ti (1.4571) is excellent stainless-steel grade for enviroments that are corrosive. This grade is better in corrosion resistance compared to 316L grade because of its titanium content material. Titanium makes the fabric extra corrosion resistant and also makes the 304 vs 316 Stainless Steel SS304 vs SS316, Difference , 316l vs 316ti stainless steel304 vs 316 Stainless Steel. The main difference between 304 vs 316 chrome steel is the composition and corrosion resistance, SS304 doesnt contain molybdenum while SS316 accommodates 2-3% molybdenum.

ss 304 grade stainless steel

Alloys 316 and 317L are significantly extra resistant than any of the other chromium-nickel types to solutions of sulfuric acid. At temperatures as excessive as one hundred twenty°F (38°C), each sorts have glorious resistance to higher concentrations. Service checks are normally desirable as operating circumstances and acid contaminants may considerably have an effect on corrosion fee. Where condensation of sulfur-bearing gases happens, these alloys are much more resistant than other forms of stainless steels. In such applications, nonetheless, the acid concentration has a marked affect on the rate of attack and must be carefully decided. The austenitic stainless steels, together with the Alloys 316 and 317L, are routinely fabricated into a variety of shapes ranging from the very simple to very complex. These alloys are blanked, pierced, and fashioned on tools essentially the identical as used for carbon metal.

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 Stainless Steel is most popular in welding purposes to exclude the formation of chromium carbides throughout cooling in the heat affected area of the weld. These alloys represent a wonderful mixture of corrosion resistance and fabricability. Exposure of the 18-8 austenitic stainless steels to temperatures within the 800°F to 1500°F (427°C to 816°C) range may cause precipitation of chromium carbides in grain boundaries. Such steels are “sensitized” and topic to intergranular corrosion when uncovered to aggressive environments. The carbon content material of Alloy 304 could permit sensitization to happen from thermal situations experienced by autogenous welds and warmth-affected zones of welds. For this reason, the low carbon Alloy 304L is preferred for applications during which the material is put into service in the as-welded condition. Low carbon content extends the time necessary to precipitate a harmful level of chromium carbides but does not eliminate the precipitation response for materials held for lengthy instances in the precipitation temperature range.

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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The annealed austenitic stainless steels keep excessive impression resistance even at cryogenic temperatures, a property which, together with their low temperature power and fabricability, has led to their use in handling liquified pure gasoline and other cryogenic environments. Again it is an austenitic grade with the addition of two–3% molybdenum which further improves corrosion resistance. It is also known as a marine grade stainless-steel due to its effective resistance to chloride corrosion in comparison to different chrome steel grades. Alloys 316, 316L, and 317L are more proof against atmospheric and different gentle kinds of corrosion than the 18-8 stainless steels. In basic, media that do not corrode 18-eight stainless steels will not assault these molybdenum-containing grades. One recognized exception is very oxidizing acids corresponding to nitric acid to which the molybdenum-bearing stainless steels are much less resistant. The major advantage of using 316and 316L chrome steel plate over 304 and 304L stainless steel plate is it’s generally extra proof against corrosion.

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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