ASTM A240 tp 304h stainless steel

304h stainless plate

Gangsteel produce and export ASTM A240 304H stainless steel plate, ASTM A240 TP304H Stainless Steel No.1 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.

304 evaluations have nice welding attributes and submit weld tempering just isn’t sometimes required to reestablish execution. 304 SS has superb erosion resistance in an assortment of various media. We are one of the leading merchants of a broad array ofSteel Sheets.We offer qualitative industrial sheets and plates that are available in numerous grades, thickness, size and weight. These metal sheets are extensively used within the building of bridges, metal buildings, ships, large diameter pipes, storage tanks, boilers, railway wagons and pressure vessels.

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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






















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 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





Yield Strength (Mpa)

Tensile Strength (Mpa)











Alloy 17-4 is likely one of the most generally used grades that’s precipitated hardening. Stainless Steel 17-4 H1025 is a chromium copper precipitation hardening stainless steel that’s used for applications that requires high power and a reasonable level of corrosion resistance. The machineable nature of Grade 303 stainless-steel is as a result of presence of Sulphur within the steels composition. While the Sulphur improves machining, it additionally causes a lower within the corrosion resistance and a slight reducing of the toughness. The corrosion resistance of grade 303 stainless steel is lower than that for 304. The toughness is still excellent as with different austenitic grades.

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304H Stainless Steel Fasteners are austenitic chrome steel fasteners manufactured from alloy containing chromium and nickel with high carbon content material and grain size of ASTM No 7 or coarser. Stainless Steel 304H Fasteners are used for top temperature service. TorqBolt is an eminent 304 Stainless Steel fastener supplier in India. Stainless steels have good strength and good resistance to corrosion and oxidation at elevated temperatures. Stainless steels are used at temperatures up to 1700° F for 304 and 316 and as much as 2000 F for the excessive temperature stainless grade 309 and up to 2100° F for 310.

304h stainless steel round bar

The austenitic stainless steels are thought of to be essentially the most weldable of the high-alloy steels and may be welded by all fusion and resistance welding processes. The Alloys 304 and 304L are typical of the austenitic stainless steels. Goodluck Metal Corporation is providing supreme quality Stainless Steel 304H Sheets & Plates to domestic in addition to international customers. We are packing these sheets and plates with standard A240 SS304H Stainless factory packaging materials and providing on-time delivery without damaging any merchandise. We are being appreciated for providing on-time delivery of the merchandise by convenient methods of shipping. Amardeep steel is likely one of the leading Manufacturer, Exporter and Supplier of High Quality ASTM A240 TP 304h Stainless Steel Plates and Sheets.

  • This combination of properties is the reason for the intensive use of those alloys which symbolize nearly one half of the whole U.S. stainless-steel production.
  • Each alloy represents an excellent mixture of corrosion resistance and fabricability.
  • For chrome steel sections which are welded heavily, publish-weld annealing could also be needed to offer maximum corrosive resistance.

304h welded pipes

It is resistance to stress corrosion cracking in petrochemical purposes. This materials has good resistance to chloride stress corrosion cracking , it is primarily noted for heat and oxidation resistance. it also has good resistance to carburization, wonderful resistance to lowering or carburizing atmospheres. Hastelloy X, also called Alloy X, is likely one of the most widely used nickel base superalloys for fuel turbine engine parts. AL6XN is a type of weldable stainless-steel that may be a low carbon, excessive purity, nitrogen-bearing tremendous austenitic nickel-molybdenum alloy with excellent resistance to chloride pitting and crevice corrosion. Nitronic 40 is a versatile stainless-steel that has a excessive manganese content material. This alloy has high strength and wonderful corrosion resistance at high temperatures.

Which steel is better 304 or 202?

A. The major differences between 202 and 304 stainless steels are in the nickel and chromium contents. 202 has 16-18% chromium and 0.5-4.0% nickel, whilst 304 has 18-20% chromium and 8-10.5% nickel. The manganese helps preserve the austenitic phase in the steels, as does the nickel.

304h vs 304l stainless steel

It has glorious corrosion resistance and has high energy and good ductility when cold worked. Alloy 255 is a super duplex chrome steel that has superior corrosion resistance. Duplex has a excessive strength to weight ratio with superior and cavitation resistance.

In this occasion 304L is beneficial because of its resistance to carbide precipitation. Where high energy is required at temperatures above 500°C and up to 800°C grade 304H is beneficial. Stainless Steel 304H Plate has good resistance to atmospheric corrosion, foods and drinks and to many organic and inorganic chemical substances in reasonably oxidizing to reasonably decreasing environments. The excessive chromium content material of the alloy supplies resistance to oxidizing options such as nitric acid up to fifty five% weight and up to 176°F (eighty°C). 304 and 304L generally has the Double-grade certification, especially sheet, tubing, and spherical bar. All the chemical contents and mechanical properties meet the standard specification of 304 and 304L. But the double-grade certified product will not be accepted in excessive temperature utility.

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Stainless steel is used extensively in warmth exchangers, super-heaters, boilers, feed water heaters, valves and major steam lines as well as aircraft and applications. Monel R405 is a nickel copper alloy that could be a free-machining grade of Monel 400 due to its greater sulfur content. Monel 405 has the identical corrosion resistance and bodily properties as Monel 400 although it has a different range of mechanical properties. This is an austenitic stainless steel that mixes fine grain and stability in a various range of temperatures. 321 Air Melt Stainless Steel is an austenitic steel just like Grade 304 but with a titanium addition of no less than five times the carbon content. This alloy has glorious resistance to oxidation, corrosion with good creep power. Stainless Steel 17-4 H1150 is a chromium copper precipitation hardening chrome steel that’s used for functions that requires high power and a reasonable level of corrosion resistance.

304h stainless steel pipe

This combination of properties is the rationale for the in depth use of those alloys which represent practically one half of the total U.S. stainless-steel production. The 18-eight stainless steels, principally Alloys 304, 304L, and 304H, are available in a variety of product types together with sheet, strip, and plate. The alloys are covered by a wide range of specs and codes referring to, or regulating, building or use of apparatus manufactured from these alloys for particular situations. Food and beverage, sanitary, cryogenic, and strain-containing applications are examples.

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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 stainless steel melting point
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