ASTM A240 what is 304h stainless steel

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 2mm to 300mm at Origin China. We are the large stainless material factory supplier in China.

AMS Strip & Grade 304 Coil is nevertheless susceptible to corrosion from chloride solutions, notably saline environments with high quantities of sodium chloride . We offer a variety of sizes of Bright Annealed AISI 304 . Stainless steel sheet is used to carry out many different operations in variety of functions in our daily life.

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Our SS 316 Sheets are highly utilized in numerous industries, owing to their strength and durability. They can be found in various sizes as per the needs of the clients.Our 316 SS plate is available in numerous designs. This product is manufactured from Stainless Steel and available of different sorts. Characteristics and Application2BThe floor brightness and flatness of 2B is best than 2D then by way of a particular surface therapy to improve its mechanical properties, 2B may nearlySatisfy complete usesNo. 3 with abrasive belt of git#one hundred#200#, have higher brightness with discontinuous coarse stria used as internal and exterior omaments for building, electrical home equipment and kitchen utensils etc.No. RMC is among the leading Supplier and Exporter of Stainless Steel 420 Sheets & Plates In India. we produce our materials utilizing top quality uncooked materials for high resistance of our product.

  • It can be effortlessly hardened even when it’s treated with cold working.
  • The term ‘corrosion resistant metal’ is used when the alloy has lower than the 12% minimum of chromium, for example in the aviation business.
  • Also, it is rich in chromium components and that’s the root of its amazing anti-rusting qualities.

Aluminum foil sometimes has a thickness of .03mm, though any sheet of metal with a thickness of less than 0.2mm is taken into account a foil. Steel Tubes India is an impartial Stockholder and Processor of ASTM A H Stainless Steel Sheet & ASTM A H Stainless Steel Plate. With a large stock range and wonderful processing capabilities we are capable of supply most initiatives whether or not inventory items or custom made products. We can offer; Stock measurement plate & sheet, Cut to measurement plate & sheet, Cold forming of plate & sheet, And some other additional machining necessities which may be needed. Alloy 304 is the standard alloy since AOD technology has made lower ranges more simply attainable and economical. One of the most versatile and commonly used stainless steels available on the market, Grade 304 stainless steel is probably the most commonplace used alloy of this type.

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ASTM A240 TP304H Stainless Steel Cold Rolled Plates

The stainless sheets are additionally created utilizing good and effective instruments to get a excessive grade high quality. sheets have wonderful weld capability, paint capacity, workability, and good floor finish. The numerous functions embody family appliances, electrical panels, vehicle sector, furnishings, galvanizing, general engineering, precision tube making further. We are manufacturer and stockiest of Stainless Steel 304 Coil, AISI 304 Stainless Steel Coil, SUS 304 Coil , ASTM A Stainless metal coil. We presents quality 304 Stainless Steel Coils are available in various grades and specs. These coils are created from the best high quality stainless-steel and can be found in numerous dimensions, thickness, grades and hardness. Our ranges of Stainless Steel Strips are extensively appreciated for their optimum.

304h cutting part

Stainless steel grade 317L is a low carbon form of analysis 317 stainless steel. It has the same high quality and erosion resistance as 317 steel nevertheless can produce stronger welds because of the low carbon content.

304h vs 304l stainless steel

Also, it’s supplied to the clients at cut-made specifications as per the exact demand made by our properly-regarded patrons. All our ranges of WNR 1.4449 sheets/plates are highly appreciated for very good features possessed by it. So the 304 Stainless Steel Sheet Price is decrease in comparison with other grades of stainless steels and all metallic products in general. There are totally different versions of the fabric with low carbon and excessive carbon content.

304h stainless steel material

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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












Austenitic Steels










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 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 (%)










Basically it is selected for its resistance to corrosion, longevity and formability. Stainless metal sheets are used for different usages in different areas however mostly these sheets are utilized in development, meals service functions, transportations, and chemical and textile industries. We even have 304 Rose Gold Finish Stainless Steel Sheets along with their different features such as high tensile , solidness, high corrosion resistance, ductile, sturdy, dimensional accuracy and more. The product is the principle need of many industrial sectors because of its uses in purposes corresponding to exterior designing, wall ceiling and more. It comes up in various colours such as gold, rose, black, bronze, and so on. Out of this, the stainless steel products are tested by in the labs or certified mills to make sure its faultlessness as well as better functionality.

304h Square tube

What is the difference between 304 and 316 stainless steel?

The simple answer is 304 contains 18% chromium and 8% nickel while 316 contains 16% chromium, 10% nickel and 2% molybdenum. The molybdenum is added to help resist corrosion to chlorides (like sea water and de-icing salts).

The surface finishes of it are 2D, 2B, No4, No8, No1, BA,8K, checkered, mirror, hairline, embossed, etching, brush, sandblasting. The forms are coils, shim sheet, perforated sheet, plain sheet, chequered plate, blank, ring, rolls and so forth.

304L stainless steel is in very massive demand as it may be used in severely corrosive conditions. Weld annealing is required for 304L chrome steel, solely when there’s extreme stress load. The Chemical Composition of ASTM A240 grade 304L is P Max 0.045, Mn Max 2, C Max 0.03, S Max 0.03, Cr 18 – 20, Si Max 1 and Ni eight A240 SS304H Stainless factory – 12. The Ultimate Tensile Strength of ASTM A240 grade 304L is 564 MPa . It is possible to weld 304L chrome steel without having any carbon precipitation issues. 304L stainless-steel is a decrease carbon model of 304 stainless steel. Steel Tubes India are suppliers and fabricators of 304 Mirror Stainless Steel Sheet Metal.

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Gangsteel mainly products are 304h Square 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 Hair Line Finished Stainless Steel 304H Plate
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