ASTM A240 304h stainless round bar

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

For chrome steel which are welded closely, publish-weld annealing may be needed to offer maximum corrosive resistance. Among the grades coated are H grades and nitrogen grades which might be specifically supposed for prime- service. The ASTM 312 specification covers seamless, straight-seam welded, and chilly worked welded austenitic stainless-steel pipe that’s intended for high-temperature and general corrosive service. Aesteiron Steels LLP, render the highest quality of Stainless Steel 304 Pipe.

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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 widely in tools and utensils for processing and handling of food, drinks, and dairy merchandise. Heat exchangers, piping, tanks, and different course of gear involved with contemporary water additionally utilize these alloys. The chromium content promotes the fabric’s appreciable resistance to the effects of corrosion and oxidation. The stainless-steel alloy resists most oxidizing acids and will stand up to odd rusting although this doesn’t mean that the metal will not tarnish over time. The metal must be cold labored to generate larger tensile power.

ASTM A240 TP304H Stainless Steel Textured Plate

Essentially, Grade 304 is an austenitic chromium alloy which is also referred to as an “18/eight” stainless as the make-up of the metal is 18% chromium and 8% nickel. Austenitic chrome steel pipe supposed for high temperature and common corrosive service. These evaluations of austenitic 304/304L/304H Pipes & Tubes are probably the most adaptable and broadly utilized stainless steels. They display fantastic corrosion imperviousness to an intensive A240 SS304H Stainless factory of damaging situations. Sort 304 and 304L evaluations of Stainless Steel Pipes & Tubes show nice machinability and have excellent weld-capacity attributes with or without the expansion of filler metals. our company specializing within the production of small diameter oxygen blowing metal tube,seamless oxygen blowing metal tube welded steel tubes oxygen blowing.

stainless steel 304 vs 304h

Stainless metal’s resistance to corrosion and marking, low maintenance, comparatively low price, and familiar lustre make it a materials for many functions. There are over 150 grades of stainless-steel, of which fifteen are most commonly used. Storage tanks and tankers used to transport orange juice and different food are sometimes made from stainless steel, due to its corrosion resistance and antibacterial properties. This also influences its use in industrial kitchens and meals processing plants, as it may be steam-cleaned and sterilized and does not want paint or different surface finishes. Prosaic Steel supplies stainless steel in all kinds of grades and aesthetic finishes.

What does ASTM a240 mean?

304 and 304L ASTM A240 stainless steel plate is a standard 18-8 material – it contains 18% chromium and 8% nickel. 304 Stainless steel plate is one of the most versatile stainless steel materials available. It has excellent forming and welding characteristics.

302 Stainless Steel Wire is an austenitic chrome steel which has a greater corrosion resistance than 301 Stainless Steel. It has larger nickel content material alloy as comapared to 301 Stainless Steel Wire. It doesn’t get harden by heat treatment & in non magnetic in the annealed situation. 304 Stainless Steel Pipes & Tubes grades are probably the most generally used stainless-steel in the market.

ASTM A240 TP304H Stainless Steel Designer Sheet

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The best quality of materials is used for manufacturing of the stainless steel 304 pipes by our vendors. It displays excellent corrosion resistance to a variety of corrosive environments.


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, , 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)











Jay Steel Corporation is a leading provider and exporter of Stainless Steel 304/304L/304H Pipe & Tube. We present Stainless Steel 304/304L/304H Pipe & Tube as per the requirements of our customers and ship quality merchandise on time. Aesteiron Steels, is one of the 304 Stainless Steel Pipe Manufacturers. Stainless Steel 304 Pipes are strong, powerful, excessive corrosion resistance, high temperature resistance & the power to sterlized.

304h vs 304l

Plates as per ASTM A240 TP304/L/H, 310/H, 316/L/H/Ti, 321/H, 347/H, 904L with or without 10% Radiographic Welding. These Stainless Steel 304/304L Pipes conform to international standards and guidelines and are as per ASTM, ASME, DIN, ANSI, WERKSTOFFE, EN, JIS, BS standards. The manufacturing of the 304/304L seamless pipes is tightly regulated and each piece is totally tested to worldwide standards.

  • 904L is an austenitic grade stainless-steel with low carbon and better resistance to emphasize and crevice corrosion cracking as in comparison with AISI 316 & AISI 317 stainless-steel grades.
  • Tensile exams, hydrostatic take a look at, nondestructive electrical checks, ultrasonic tests, eddy-present exams, pressure exams, and flattening exams shall be made to evolve to the requirements specified.
  • Due to addition of Copper, it has increased resistance to phosphoric, sulphuric and hydrochloric acid concentration.
  • We have all kinds of grades, materials, and finishes for pipes & tubes.

Precipitation-hardening martensitic stainless steels have corrosion resistance similar to austenitic varieties, but may be precipitation hardened to even larger strengths than the other martensitic grades. The Lockheed-Martin Joint Strike Fighter is the primary plane to make use of a precipitation-hardenable chrome steel -Carpenter Custom 465—in its airframe. Type 304 and Type 304L have very comparable chemical and mechanical properties and are often included on a single material check certificates when the precise properties of a stainless-steel plate meet the factors of each varieties. Type 304L is a variation of Type 304 and has a decrease carbon content material which improves weldability and lowers the chance of decreased corrosion resistance around the weld. Type 304L additionally has a slightly decrease yield and tensile strength than Type 304. This specification covers seamless austenitic steel pipe meant for high-temperature central-station service.

ASTM A240 TP304H Stainless Steel Shim Plate

Permeability values will vary with composition and will enhance with cold work. Prosaic Steel and Alloys India Manufacturer & Fabricator, Importer, Stockholder, Stainless Steel Plates ASTM A240 TP 304, premier suppliers of bulk Stainless Steel Plates ASTM A240 TP 304. Fast supply Guaranteed for every measurement Stainless Steel Plates ASTM A240 TP 304.

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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 seamless pipes
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