ASTM A240 TP304H Stainless Steel High quality 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 factory supplier in China.

what is 304h stainless steel

Its corrosion is superior that the opposite stainless steels. Its yield is sort of double the energy of Grades 304 and 316 stainless-steel. A286 is a precipitation age- iron-nickel-chromium alloy that is among the most popular and extensively used of high temperature alloys. It maintains good strength with oxidation resistance at temperatures of as much as 1300F. A286 is utilized in numerous elements, similar to plane and industrial gas generators due to is excessive power and superior fabrication. A286 is also very popular in offshore oil and gasoline business the place excessive ranges of heat and stress are a factor. In this high energy alloy, the molybdenum content increases resistance to marine environments, Grade 316B has excessive creep power at high temperatures and good warmth resistance.

304h stainless steel pipe

They are a reasonably minimal effort stainless merchandise and utilized as part of an assortment of utilizations. 304 evaluations have amazing low temperature properties and react nicely to solidifying by chilly working.

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How can I tell if my stainless steel is 316 grade?

Try the magnet test. If the magnet sticks it cannot be 316 and might be 304. If the magnet doesn’t stick it could be either 316 or cold worked 304, so heat the piece to about 800 °C, let air-cool and try again with magnet.

Bearing Bronze alloy C932 has glorious machining properties, good hardness, power and put on resistance with wonderful anti-friction qualities. This is suitable for pump and valve elements, bearings and bushings with medium hundreds and speeds with sufficient lubrication. C955 is a high power nickel aluminum bronze with excessive hardness that’s appropriate for heavy responsibility, high shock and excessive impression components and applications. C955 has great corrosion resistance, heat resistance, good weldability and machinability. Hastelloy Alloy B-2 is a solid answer strengthened nickel molybdenum alloy that shows vital resistance to lowering environments.

What are the 4 types of stainless steel?

4 Types of Stainless SteelAustenitic. The most common types of stainless steels are austenitic stainless steels.
Ferritic. Ferritic stainless steels are stainless steels with low, but existing amounts of carbon.
Duplex. Duplex stainless steels are essentially combinations of ferritic and austenitic stainless steels.

In seawater environments, this alloy is resistant to general, crevice and stress corrosion. 321 Air Melt Stainless Steel is an austenitic steel just like Grade 304 however with a titanium addition of a minimum of 5 times the carbon content material. This alloy has glorious resistance to oxidation, corrosion with good creep power. Stainless Steel 17-4 H1150 is a chromium copper precipitation hardening stainless steel that is used for applications that requires excessive strength and a moderate degree of corrosion resistance. Alloy 17-4 is likely one of the most generally used grades that’s precipitated hardening.


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 (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 (%)










AL6XN is a sort of weldable chrome steel that may be a low carbon, high purity, nitrogen-bearing super austenitic nickel-molybdenum alloy with wonderful resistance to chloride pitting and crevice corrosion. This is an austenitic stainless steel that combines fine grain and stability in a varying range of temperatures.

K500 has roughly three times the yield energy of Monel four hundred with double the tensile power. Cold working before precipitation hardening will make it stronger. Inconel 625 has glorious resistance to pitting, crevice and outstanding corrosion resistance. Hastelloy C22, also called Alloy C22 is similar to Hastelloy C276 and has good heat resistance and corrosion resistance. This material has resistance to pitting, stress corrosion cracking and crevice corrosion.

  • These 304 stainless steels are able to be uncovered constantly to temperatures round 1500°F earlier than they start to undergo scaling.
  • It is essentially the most versatile and low-temperature expertise among many different grades.
  • Grade 304H is used for functions requiring elevated temperatures because it retains its strength nicely within the 900 – 1500°F range.
  • These sheets and plates have been praised nicely for its outshining welding properties.
  • It may be effortlessly hardened even when it is handled with cold working.

Type 304L is a variation of Type 304 and has a decrease carbon content material which improves weldability and lowers the chance of lowered corrosion resistance around the weld. Type 304L additionally has a slightly decrease yield and tensile energy than Type 304. Grade 304 is quickly brake or roll shaped into a wide range of parts for functions in the industrial, architectural, and transportation fields. Post-weld annealing isn’t required when welding thin sections.Grade 304L, the low carbon version of 304, does not require publish-weld annealing and so is extensively used in heavy gauge components . All the stainless steel grades 304, 304L, and 304H are chemically compounded with the elements like chromium, phosphorus, silicon, manganese, carbon, sulphur, molybdenum, and nickel. Besides different components chromium, molybdenum, and nickel are the most important contributors in the whole composition. Hence, it reveals large yield in addition to tensile strengths, great temperature resistance, and elongation range.

304h stainless round bar

The toughness continues to be wonderful as with different austenitic grades. Type 303 has mechanical properties which are comparable to each 304 and 316 stainless. The primary cause to use A240 SS304H Stainless factory 303 is whenever you want a stainless-steel with machining capabilites higher than that of 304 and 316. It has roughly the identical corrosion resistance as 304, but not as good as 316.

ASTM A240 TP304H Stainless Steel Chequered Plate

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The technical advice and suggestions made on this Product Data Sheet should not be relied or acted upon without conducting your individual additional investigations, together with corrosion exposure tests the place wanted. Please seek the advice of present editions of standards for design properties. Austral Wright Metals assumes no liability in connection with the data on this Product Data Sheet. Austral Wright Metals supplies a comprehensive vary of stainless steels, copper alloys, nickel alloys and different high performance metals for challenging service conditions. Our engineers and metallurgists will be happy to provide further data and purposes recommendation.

304h ss

It has glorious corrosion resistance and has excessive energy and good ductility when chilly worked. Alloy 255 is a super duplex stainless steel that has superior corrosion resistance. Duplex has a excessive energy to weight ratio with superior and cavitation resistance. 410 QDTStainless Steel is used for petrochemical purposes such as oilfield bitter fuel hydrogen sulfide services.

304h stainless steel tube

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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 cutting parts and stainless steel 304h. If you have requirement, please contact us by email

ASTM A240 304h stainless steel data sheet
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