ASTM A240 304h cutting part

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 factory supplier in China.

Hence, it reveals large yield along with strengths, good temperature resistance, and elongation range. In basic, all three grades are being elongated through the utmost prohibit of forty%. Also, they’ve the best level at 1400 levels Celsius aside from the 304H. publicity of the 18-eight austenitic stainless steels to temperatures inside the 800°F to 1500°F (427°C to 816°C) vary might trigger precipitation of chromium carbides in grain boundaries.

ASTM A240 Ss304H Plate

Aluminium plate, machined to shape, forms the skins of jets and spacecraft gas tanks, etc. It is used for storage tanks in lots of industries, partly as a result of some aluminium alloys turn out to be more durable at supercold temperatures. This is especially helpful in holding cryogenic (very-low-temperature) materials. Exposure of the 18-8 austenitic stainless steels to temperatures in the 800°F to 1500°F (427°C to 816°C) vary may cause precipitation of chromium carbides in grain boundaries.

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A No. 4 finish that has been polished to 320-grit is buffed for up to 10 minutes but current grit traces usually are not removed. The remnants of fine sprucing strains can typically seen by an observer standing several ft from a panel. No.4 Finishis characterised by quick, parallel sprucing lines, which lengthen uniformly alongside the length of the coil. It is obtained by mechanically sprucing a No. 3 finish with steadily finer abrasives. Bright Annealed Finish- A clean, brilliant, reflective finish sometimes produced by cold rolling followed by annealing in a protecting ambiance in order to forestall oxidation and scaling during annealing. No. 2B- A clean, reasonably reflective cold-rolled annealed and pickled or descaled finish sometimes produced by imparting a last gentle cold-rolled cross using polished rolls. No. 2D- A easy, non-reflective chilly-rolled annealed and pickled or descaled finish.

304h stainless steel plate

Heat exchangers, piping, tanks, and different process gear involved with fresh water also utilize these alloys. Each alloy represents an excellent mixture of corrosion resistance and fabricability. This mixture of properties is the explanation for the intensive use of those alloys which represent nearly one half of the total U.S. stainless steel manufacturing. The 18-8 stainless steels, principally Alloys 304, 304L, and 304H, can be found in a wide range of product varieties together with sheet, strip, and plate.

  • The alloys are lined by a wide range of specs and codes relating to, or regulating, building or use of apparatus manufactured from these alloys for particular conditions.
  • The time period ‘corrosion resistant metal’ is used when the alloy has lower than the 12% minimum of chromium, for instance within the aviation business.
  • There are totally different grades and surface finishes of stainless-steel, relying on the place it is going to be used.
  • Food and beverage, sanitary, cryogenic, and strain-containing purposes are examples.

The combination of low yield energy and excessive elongation in 304L Seamless Sheets permits successful forming of complicated shapes. And thus to alleviate stresses produced in severe forming or spinning, elements must be full annealed or relief annealed as soon as possible after forming.

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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 , , 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, 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 (%)










We also provide metal fabrication service the place steel plates can go through processings like chopping , drilling, welding, milling, machining as you require. Our steel mills have fabricating workers that have 5-10 years of working experience. If you are interested in buying ASTM A204 metal plate merchandise, contact us now for the newest price or verify the next desk for equivalent steel grade of ASTM A204. At present in the market there are numbers of corporations who use to produce this grade of stainless-steel but the one which is known as the main one is the Sparsh Impex. They make use of the best quality of uncooked material that builds up the properties of the product. Stainless Steel 304H Sheets & Plates even has the excessive yield and tensile strength that make the product strong and able to bear any climatic situation. The concept behind the specs of those grade sheets and plates is governed by the ASTM A240 and ASME SA240 standards.

Heat treating 304 stainless steel won’t result in a stronger extra durable product. PMI Testing, Ultrasonic Test, Mechanical Testing, Spectro Tests for Chemical Analysis of the grade, Flaring Test, IGC, etc. are a few of the tests conducted at our facility. We welcome stage sensible inspection from any of your representative A240 SS304H Stainless factory or third celebration inspection agencies. Steber Steelis a well known worldwide exporter of 304 Stainless Steel Plate,Steber Steelis dedicated to offer every customer with the highest standard of customer support.

304H Stainless Steel Plate is a sheet of SS with a thickness of 6mm or extra. SS 304H Plate is used in functions where durability is more important than saving weight. It is used in automobiles where sturdiness is required to cross crash testing.

Why is ASTM important?

ASTM helps to ensure that only quality, raw materials are used to produce bearings and other industrial goods. The standards are highly-regarded throughout the plastic supply chain.

304h vs 304l stainless steel

We are packing these sheets and plates with standard packaging material and providing on-time supply without damaging any merchandise. We are being appreciated for offering on-time delivery of the products by convenient methods of delivery. Goodluck Metal Corporation is an impressive agency in the market for manufacturing and supplying Stainless Steel 304H Sheets & Plates . Stainless Steel 304H contains a combination of chromium, nickel, carbon, and manganese content material on it. We are offering a variety of Stainless Steel Sheets & Plates in numerous types, dimensions, measurement, thickness, and many more. Our manufactured Stainless metal 304H Sheets & Plates is the commonest type of stainless steel that’s used internationally and providing wonderful corrosion resistance and value. We are offering Sheets and Plates in various length configurations and dimensions and are available out there at an inexpensive value and looking for very little upkeep.

304h stainless steel fittings

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Alloy 304H is a modification of Alloy 304 by which the carbon content material is managed to a range of 0.04-0.10 to offer improved excessive temperature strength to components uncovered to temperatures above 800°F. One of probably the most versatile and commonly used stainless steels on the market, Grade 304l chrome steel is probably the most standard used alloy of this sort. Essentially, Grade 304l is an austenitic chromium alloy which is also known as an “18/8” stainless because the make-up of the metal is 18% chromium and 8% nickel. Amardeep steel is one of the main Manufacturer, Exporter and Supplier of High Quality ASTM A240 TP 304h Stainless Steel Plates and Sheets.

ASTM A240 Ss304H Plate

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ss 304h chemical composition

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 composition
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