ASTM A240 304h H Beam

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.

It resists atmospheric corrosion, in addition to, moderately oxidizing and lowering environments. However, due to its high carbon content, Alloy 304/304H is topic to carbide precipitation within the warmth affected zone of welds. The materials is also used throughout the power era business. The offered plate is designed with utmost precision in conformity with the worldwide quality standards. Solution therapy or annealing could be done by fast cooling after heating to °C. Fabrication methods, like forging, that involve sizzling working ought to ovvur after uniform heating to °C. The fabricated elements should then be rapidly cooled to ensure maximum corrosion resistance.

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ASTM A H Stainless Steel Sheet has wonderful corrosion resistance at normal temperatures in strange atmospheric situations withstanding some pure acids, which is why this grade is used incessantly in the meals & drink processing business. Co. is one of the main producer, provider and stockiest of merchandise corresponding to Stainless Steel, Aluminium Alloy, Copper Nickel Alloy, Carbon Steel, High Nickel Alloy, Alloy Steel and a number of the specialised merchandise. 304H Stainless Steel is quickly welded by a full of typical welding . AWS E308H/ER308H metals should be used with Type 304/304H metal. After welding Type 304H it may be needed to completely anneal to revive the corrosion resistance misplaced by sensitization to intergranular corrosion when chromium carbides have been precipitated within the grain boundaries in the weld heat-affected zone. 304H Stainless Steel is instantly formed and fabricated by way of a full range of cold working operations. Any cold working operations will enhance the energy and hardness of the fabric, and may depart it slightly magnetic.

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The Alloy 304 Stainless Steel Plate is probably the most versatile product which reveals good mechanical properties and durability. 304L Stainless Steel Plate has decrease carbon content material compared to SS 304 that provides excellent forming and welding characteristics. exposure of the 18-8 austenitic stainless steels to temperatures within the 800°F to 1500°F (427°C to 816°C) range might trigger precipitation of chromium carbides in grain boundaries. Such steels are “sensitized” and topic to intergranular corrosion when uncovered to aggressive environments. The carbon content material of Alloy 304 may enable sensitization to occur from thermal circumstances skilled by autogenous welds and warmth-affected zones of welds. For this purpose, the low carbon Alloy 304L is most well-liked for functions in which the material is put into service within the as-welded condition. Low carbon content material extends the time essential to precipitate a harmful of chromium carbides but doesn’t remove the precipitation response for materials held for lengthy instances in the precipitation temperature vary.

304H laser cutting parts

  • Stainless steels are a family of iron primarily based alloys that comprise a minimum of 10.5% chromium .
  • Our 304 chrome steel sheets come in each 2B finish and various finishes corresponding to 2D, BA, No.1, No.4, No.eight, 8K, Mirror and Matte, with PVC Coating.
  • Stainless grades can be additional modified to meet varied processing, corrosion, temperature and power circumstances.
  • Stainless steel 304 sheet is usually offered in the annealed situation and is out there in 0.1mm to six.0mm in cold rolled and sizzling rolled type.
  • There are multiple families of stainless steel which are designed for various functions and makes use of.

The latest addition to our stainless-steel vary, Brown McFarlane’s 304H vary of steel plates are a modification of the standard 304 stainless steel grades with a higher Carbon content (usually between 0.04-0.10%). All plates are dual licensed to ASTM/ASME A/SA 304/304H and we’re the one stockist in the UK to maintain this grade in plate type. Fabrication methods involving cold working could require an intermediate annealing stage to alleviate work hardening and avoid tearing or cracking. At the completion of fabrication a full annealing operation must be employed to reduce inner stresses and optimize corrosion resistance. Fabrication of all stainless steels ought to be done only with tools devoted to chrome steel materials. These precautions are essential to keep away from cross contamination of chrome steel by simply corroded metals that may discolor the surface of the fabricated merchandise. Where high energy in required at temperatures above 500°C and as much as 800°C, grade 304H is really helpful.

ASTM A240 TP304H Stainless Steel Chequered Sheet

There are 1,034 astm 304h chrome steel plate suppliers, primarily located in Asia. The top supplying nation or region is China, which provide 100% of astm 304h stainless-steel plate respectively.

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In some cases, the low carbon Alloy 304L could show a decrease corrosion fee than the higher carbon Alloy 304. The data for formic acid, sulfamic acid, and sodium hydroxide illustrate this. Otherwise, the Alloys 304, 304L, and 304H may be thought-about to perform equally in most corrosive environments. A notable exception is in environments sufficiently corrosive to cause intergranular corrosion of welds and warmth-affected zones on susceptible alloys. The Alloy 304L is preferred to be used in such media within the welded situation since A240 SS304H Stainless factory the low carbon degree enhances resistance to intergranular corrosion. 304 Stainless Steel Plate is likely one of the most versatile and generally used stainless steels on the market, Grade 304 stainless steel is probably the most standard used alloy of this sort. Specifcation ASTM A240 is the usual specification for chromium and chromium-nickel stainless-steel plate, sheet, and strip for strain vessels and for common applications.


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












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 (%)










Prosaic Steel and Alloys India & Fabricator, Importer, Stockholder, Stainless Steel Plates ASTM A240 TP 304, premier suppliers of bulk Stainless Steel Plates ASTM A240 TP 304. Bright Annealed Finish- A clean, bright, reflective end usually produced by chilly rolling adopted by annealing in a protecting environment so as to forestall oxidation and scaling throughout annealing. No. 2B- A smooth, reasonably reflective cold-rolled annealed and pickled or descaled finish sometimes produced by imparting a ultimate mild cold-rolled move utilizing polished rolls.

The parts which have a major impression are chromium, molybdenum and nitrogen. Alloy 304/304H (UNS S30400/ S30409) is a modification of the most broadly utilized “18-eight” chromium-nickel austenitic stainless-steel. The carbon content is managed within the range of 0.04-0.10% for increased energy at temperatures above 800°F (427°C). It is a cost-effective and versatile corrosion resistant alloy suitable for a variety of general purpose applications.

ASTM A240 TP304H Plates

what is 304h stainless steel

The stainless-steel alloy resists most oxidizing acids and will withstand ordinary rusting though this doesn’t mean that the metal is not going to tarnish over time. The steel needs to be chilly worked to generate larger tensile power. For stainless steel sections that are welded heavily, submit-weld annealing may be needed to offer maximum corrosive resistance. Type 304 hr and Type 304 hrL have very similar chemical and mechanical properties and are sometimes included on a single materials check when the precise properties of a stainless steel plate meet the hriteria of both sorts. Type 304 hrL is a variation of Type 304 hr and has a decrease carbon content material which improves weldability and lowers the risk of decreased corrosion resistance across the weld. Type 304 hrL additionally has a slightly lower yield and tensile power than Type 304 hr. Type 304 and Type 304L have very comparable chemical and mechanical properties and are often included on a single material take a look at certificate when the actual properties of a chrome steel plate meet the standards of each sorts.

Various common functions embrace architectural, constructing, construction, and aesthetic purposes. Piyush Steel are Manufacturer, Exporter and Supplier of Stainless Steel Sheets and Plates.

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ASTM A240 Hair Line Finished Stainless Steel 304H Plate

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

304H Stainless Steel Plates In Stock
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