ASTM A240 Type 304H 5inch Stainless Steel Plate

Gangsteel produce and export ASTM A240 304H stainless steel plate, ASTM A240 TP304H Stainless Steel No.1 Finish Plate and we supply TP304H stainless steel stock list thickness 2mm to 300mm at Origin China. We are the stainless material factory supplier in China.

All the chrome steel grades 304, 304L, and 304H are chemically compounded with the parts like chromium, phosphorus, silicon, manganese, carbon, sulphur, molybdenum, and nickel. Besides other components chromium, molybdenum, and nickel are the most important contributors in the entire composition. Hence, it exhibits super yield in addition to tensile strengths, great temperature resistance, and elongation vary.

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Types 304 and 304L supplies corrosion resistance in a wide of reasonably oxidizing and reducing conditions, recent and non-marine functions. We want to set up enterprise relations with reputed concern like yours. We assure you that you’ll definitely discover in our merchandise high quality and rate most competitive at right time with wonderful services. Corrosion and Heat Resistance T-304 is extremely proof against sturdy oxidizing acids, corresponding to nitric acid, and resists many natural and inorganic chemical compounds.


304H stainless steel belt, SUS304H stainless steel belt, 304H stainless steel belt, 0Cr18Ni9, 304-general model; namely 18/8 stainless steel. The GB grade is 0Cr18Ni9.
Vickers hardness (HV) 370°-420° and Hardness tolerance (HV) ±20°

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a240 Type 304H widely used material.
Corrosion resistance, heat resistance, good mechanical properties, good processing performance at room temperature such as deep drawing, bending, etc., will not harden after heat treatment, can withstand general rust in the building, and can resist erosion by food processing media (but contains concentrated acid
Corrosion may occur due to high temperature and chloride components), and it can resist organic compounds, dyes and a wide variety of inorganic compounds.
ASTM A240 Stainless Steel 304H Chemical Composition



ASTM A240 Chemical Composition






















A240 Type 304L (low carbon), good resistance to nitric acid, and durable for medium temperature and concentration of sulfuric acid, widely used as liquid gas storage tanks, low temperature equipment (304N), appliances and other consumer products, kitchen equipment, hospital equipment, transportation Tools, wastewater treatment equipment.

Alloy 304 (S30400), 304L (S30403), and 304H (S30409) stainless steels are 18% chromium, 8% nickel austenitic alloys, which are the most common and commonly used alloys in the stainless steel family. Because these alloys have one or more of the following properties, they can be used in various applications.
Properties include:
STM A240 TP304H Stainless Steel Plate Physical Properties


Density (kg/m3)

Elastic Modulus (GPa)

Mean Coefficient of Thermal Expansion (m/m/0C)

Thermal Conductivity (W/m.K)

Specific Heat 0-1000C (J/kg.K)

Electrical Resistivity (n.m)




at 1000C

at 5000C












A high-alloy steel A240 304h that can resist corrosion in the air or in chemically corrosive media. It has a beautiful surface and good corrosion resistance. It does not need to undergo surface treatment such as plating, but exerts its inherent surface properties. It is used in various steels.
One kind, usually called stainless steel.
High alloy steels such as 13 chromium steel and 18-chromium nickel steel are representative of performance.
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From a metallographic point of view, because stainless steel contains chromium, a very thin chromium film is formed on the surface. This film isolates the intruding oxygen from the steel for corrosion resistance.

In order to maintain the inherent corrosion resistance of stainless steel, steel must contain more than 12% chromium
SS 304H Plate Equivalent grades









SS 304H



304, 304L, and 304H alloys are the most prone to stress corrosion cracking (SSC) among austenitic stainless steels because of their relatively low nickel content.
The conditions that cause stress corrosion cracking are: (1) the presence of halide ions (usually chloride), (2) residual tension, and (3) the temperature exceeds 120°F (49°C).
Cold deformation during alloy forming, stenting into tube sheet, welding operations, etc. can all cause stress.
Annealing and stress relief heat treatment after cold deformation can reduce stress, thus reducing the possibility of halide stress corrosion cracking.
In the environment that may cause intergranular corrosion, it is best to choose low-carbon 304L alloy when working under low-temperature annealing.


AASTM A240 Stainless Steel 304H Plate Mechanical Properties


Mechanical Properties for Stainless Steel Plates, Stainless Steel Sheet



Tensile Properties


Yield Strength (Mpa)

Tensile Strength (Mpa)

Elongation (%)










Stainless Steel 304H Sheets & Plates, it is one of the most popular chrome steel grades. Beside this, on this material, you will discover the usage of the carbon content material that is 0.08%. You will generally discover this grade of the steel in the cooking tools and pans. It additionally has the best corrosion resistance capability; with that, it additionally has the high ease of the fabrication property. The Alloys 304, 304L, and 304H austenitic stainless steels provide helpful resistance to corrosion on a variety of reasonably oxidizing to moderately decreasing environments. The alloys are used extensively in gear and utensils for processing and handling of meals, beverages, and dairy merchandise.

Essentially, Grade 304 is an austenitic chromium alloy which is also referred to as an “18/8” stainless because the make-up of the metal is 18% chromium and eight% nickel. The chromium content promotes the material’s considerable resistance to the results of corrosion and oxidation. The stainless-steel alloy resists most oxidizing acids and can withstand strange rusting though this doesn’t mean that the metal is not going to tarnish over time. For chrome steel sections that are welded heavily, submit-weld annealing may be essential to provide maximum corrosive resistance. Type 304 and Type 304L have very similar chemical and mechanical properties and are sometimes included on a single materials test certificates when the precise properties of a chrome steel plate meet the factors of both sorts.

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  • Type 304L additionally has a slightly lower yield and tensile power than Type 304.
  • Type 304l and Type 304L have very comparable chemical and mechanical properties and are often included on a single materials check certificate when the precise properties of a stainless steel plate meet the factors of both varieties.
  • Essentially, Grade 304 is an austenitic chromium alloy which is also known as an “18/8” stainless as the make-up of the metal is eighteen% chromium and eight% nickel.
  • One of the most versatile and commonly used stainless steels on the market, Grade 304 stainless-steel is the most normal used alloy of this kind.
  • The chromium content promotes the material’s appreciable resistance to the results of corrosion and oxidation.
  • Type 304L is a variation of Type 304 and has a lower carbon content material which improves weldability and lowers the risk of reduced corrosion resistance across the weld.

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 material, which ensures good energy at high temperatures. Continuous use of 304 and 304L stainless-steel plate in the °F vary just isn’t beneficial if aqueous corrosion resistance is important. Grades 304 and 304L chrome steel plate is out there in coil plates and plate mill plates at Penn Stainless Products. We sometimes stock 304 and 304L chrome steel coil plates in widths including 36”, forty eight”, 60”, seventy two” and 2 meters (78.seventy four”). Stainless steel plate coil is often inventoried in lengths of in 96”, one hundred twenty”, 144”, and 240”. 304 and 304L plate mill plate is also available for buy, in widths 48”, 60”, 72” and a pair of meters, together with 84”, ninety six” and 120”.

ASTM A240 TP304H Stainless Steel Bright Annealed Finish Plate

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The plates are in ninety six”, a hundred and twenty”, one hundred forty four”, and 240” in size but custom lengths are commonly obtainable. SS 304/304L/304H Sheets & Plates are extremely utilized by the paper and pulp industries, textile tools manufacturer, condensers in fossil gas and nuclear gasoline era stations, and petrochemical processing tools producers. The concept behind the specifications of these grade sheets and plates is ruled by the ASTM A240 and ASME SA240 standards.

What is the best grade of stainless steel?

Type 304: The best-known grade is Type 304, also known as 18/8 and 18/10 for its composition of 18% chromium and 8%/10% nickel, respectively. Type 316: The second most common austenitic stainless steel is Type 316.

SS 304H Foil is a very skinny sheet of Stainless Steel that has been hammered or flat. SS 304H Foils may be made from any kind of metal, though probably the most commonly discovered foils are aluminum foil and gold foil. Aluminum foil typically has a thickness of .03mm, though any sheet of steel with a thickness of less than 0.2mm is considered a foil. When a cloth is exposed to an oxidising environment at elevated temperatures, a roughly protecting oxide layer shall be shaped on its surface. The alloying parts that are most beneficial for oxidation resistance are chromium, silicon, and aluminium. A constructive effect has additionally been achieved with additions of so-called active components, e.g. ttrium, hafnium, rare earth metals (REM, e.g. Ce and La). These affect the oxide growth in order that the fashioned layer will be thinner, more durable, and extra adherent and thus more protective.

What does the T in t304 mean?

T304 stainless is generally the highest material grade currently used for exhaust systems. It is an aircraft-quality, 16-gauge stainless containing 18 to 20 percent chromium and 8 to 10 percent nickel, also known as austenitic stainless. This means that the material is highly durable and it will never rust.

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No. 3 Finishis characterised by short, coarse, parallel sharpening lines, which lengthen uniformly alongside the size of the coil. Each lot is tested and ensured that material is free from Radio active contamination. Several colours, thicknesses and opacity options can be found, Mill TC EN .1, Third Party Inspection, NDT/DT Test Reports. The info, supplies and opinions offered by this Steel finder online tool are for common functions only and are not meant to represent professional advice or guarantee of any kind. By utilizing this Steel finder on-line software you comply with be certain by the Disclaimer. In addition to advice on materials selection we are able to assist you in calculating design conditions.

The resistance of a fabric to high-temperature corrosion is in many instances dependent on its ability to form a protective oxide layer. In a lowering atmosphere, when such a layer cannot be created , the corrosion resistance of the fabric might be determined by the alloy content material of the material. Since most high-temperature supplies are optimised with regard to power and corrosion resistance at elevated temperatures, their resistance to electrochemical low-temperature corrosion could also be less satisfactory. Components made from excessive-temperature material ought to therefore A240 SS304H Stainless factory be designed and operated in order that acid condensates are not formed, or at least so that any such condensates are drained away. A frequent characteristic of Outokumpu excessive temperature steels is that they are designed primarily to be used at temperatures exceeding ~550 °C, i.e. in the temperature vary the place creep power as a rule is the dimensioning issue and where HT corrosion happens. Optimising steels for top temperatures has meant that their resistance to aqueous corrosion has been restricted. All steels are austenitic, resulting in relatively excessive creep power values.

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SS 304 Stainless Steel Plate packing will be in accordance with worldwide commonplace in bundles strapped by strips then into containers to avoid any damage. Qfsteels may provide tools to check ASTM A h width, size, thickness, and element earlier than supply for our customer. We promise No giant tolerance, No fake materials, Better Service, Competitive price. S355 structural grade carries minimal yield strength of 355 N/mm²m, the JR designation confirms that the link for you steel has undergone longitudinal Chary V-Notch influence testing at 27J at room temperature.

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ASTM A240 Stain Finish Stainless Steel 304H Plate

Gangsteel mainly products are 304h tube,304h stainless,304h Rectangular tube,304h seamless pipes,304h seamless tubes,304h welded pipes,304h angle bar,304h H Beam,304h channel beam,304h round bar ,304h cutting part,304h machine part,304H CNC cutting parts,304H water jet cutting parts,304H laser cutting parts and stainless steel 304h. If you have requirement, please contact us by email

ASTM A240 304h chemical composition
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