ASTM A240 Type 304H 20 mm Thick 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 large stainless material supplier in China.

304h stainless steel data sheet

The chromium content promotes the material’s appreciable resistance to the results of corrosion and oxidation. The stainless-steel alloy resists most oxidizing acids and can stand up to ordinary rusting although this doesn’t imply that the metal will not tarnish over time. The metal must be cold worked to generate greater tensile energy.

  • SS 304L is the low carbon model of SS 304 that could be required for full corrosion resistance when thicker sections are welded.
  • The alloys are lined by a variety of specifications and codes relating to, or regulating, development or use of apparatus manufactured from these alloys for particular circumstances.
  • Type 304L is a variation of Type 304 and has a decrease carbon content material which improves and lowers the risk of decreased corrosion resistance around the weld.
  • Food and beverage, sanitary, cryogenic, and stress-containing functions are examples.
  • Type 304L additionally has a barely lower yield and tensile strength than Type 304.
  • Type 304 and Type 304L have very comparable chemical and mechanical and are sometimes included on a single material take a look at certificates when the actual properties of a stainless-steel plate meet the standards of each types.

We are reputed as a wonderful high quality SS 316 ASTM A240 Sheet supplier within the trade. American iron and metal institute use three numbers to clarify various kinds of metal that are 200, 300, four hundred and 600 sequence. Total Piping Solutions Steels also manufacture & specialized into Pipe/Plates corresponding to A106 GR. B Carbon Steel Seamless Pipes, A53 GR. B, API 5L GR. 3/6 Pipes & Alloy Steel Pipes ASTM A335 GR P5

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304 steel is the commonest type of chrome steel used around the world, largely as a result of its wonderful corrosion resistance and value. It contains between sixteen and 24 p.c chromium and up to 35 p.c nickel, as well as small amounts of carbon and manganese. For out of doors furnishings like rails and bollards, stainless-steel is a perfect corrosion-resistant material, but it will only face up to lengthy-term publicity if the grade is appropriate for its environment. 304 is a cost-effective and practical alternative for most environments, but it doesn’t have the chloride resistance of 316.

304h vs 304l stainless steel

Low carbon content material means much less carbide precipitation within the heat-affected zone during welding and a decrease susceptibility to intergranular corrosion. exposure of the 18-8 austenitic stainless steels to temperatures in the 800°F to 1500°F (427°C to 816°C) vary might trigger precipitation of chromium carbides in grain boundaries. Such steels are “sensitized” and subject to intergranular corrosion when uncovered to aggressive environments. The carbon content of Alloy 304 may enable sensitization to happen from thermal circumstances skilled by autogenous welds and warmth-affected zones of welds. For this purpose, the low carbon Alloy 304L is preferred for applications during which the material is put into service within the as-welded condition. Low carbon content extends the time essential to precipitate a dangerous stage of chromium carbides but doesn’t eliminate the precipitation response for material held for long occasions within the precipitation temperature range. Alloy 304 is the usual alloy since AOD know-how has made lower carbon levels more simply attainable and economical.

SS 316 ASTM A240 Sheet packing might be based on international standard in bundles strapped by strips then into containers to avoid any damage. We are leading Manufacturers, Supplier, Dealers, and Exporter of SS 304H Pipe in India. Our SS 304H Pipe can be found in different sizes, shapes, and grades and as per the clients necessities. We supply SS 304H Pipe in most of the major Indian cities in additional than 20 States. We are the leading supplier ofJindal Stainless Steel Pipesmade available to our purchasers at competitive costs.

Stainless metal work harden rapidly, heavy optimistic feeds, sharp tooling, and a inflexible set-up should be used.of cut beneath the work-hardened layer ensuing from the previous passes. Resistance to moderately aggressive natural acids is a results of the 9 to eleven% nickel that the 304 alloys contain.

304h seamless pipes

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Stainless Steel Grade 304 is probably the most usually used stainless-steel. 304 Stainless Steel belongs to the household of Austenitic Stainless Steel in which pure iron has existence solely at a steady temperature range of 910 – 1400 degrees Celsius. It doesn’t show magnetism, but it’s austenitic, corrosion-resistant metal with wonderful energy, robust, fabrication characteristics and weldability. The key distinction is the addition of molybdenum, an alloy which drastically enhances corrosion resistance, particularly for more saline or chloride-exposed environments. All steels have the identical primary iron and carbon composition, however stainless steel additionally incorporates a healthy dose of chromium—the alloy that offers chrome steel its famous corrosion resistance.

304h stainless steel equivalent

It is a cost-effective and versatile corrosion resistant alloy appropriate for a wide range of common purpose functions. It is an austenitic, corrosion resistant metal with excellent strength, toughness, fabrication characteristics and weldability. The low carbon version, 304L, may be required for full corrosion resistance when thicker sections are welded. The 304H model has a guaranteed minimum carbon content material, which ensures good power at excessive temperatures.


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 (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 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 (%)










ASTM A582 This specification includes chilly or sizzling completed tubes, that are suitable for machining processes. This specification consists of rounds, squares, and hexagons, from widespread types of stainless free-machining steels. ASTM B473 This specification includes nickel alloy bar & wire, which may be produced in a solution-annealed condition, stabilized-annealed situation, or annealed situation A240 SS304H Stainless factory. Stainless Steel Grade 304 is the standard 18/eight austenitic stainless steel. It is a non-magnetic alloy in the annealed condition, nonetheless, it becomes magnetic as it’s chilly labored. T304 may be effortlessly welded and is most popular for a lot of deep , spun or fashioned components as a result of its excessive ductility.


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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 304h Square tube
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