ASTM A240 304h stainless steel properties

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.

Our gangsteel have min 600Tons inventory dimension for each measurement chrome steel. We even have chopping manufacturing unit Stainless metal manufacturer which could reduce stainless part in accordance with our purchaser requirement. Please contact us by email if any requirement in stainless-steel materials. The solely distinction between SS 304H Sheet and SS 304H Plate is the gauge of the steel. Most commonly 304H stainless-steel is current in petroleum refining vegetation. Unlike 304L, 304H stainless-metal plate has the following carbon content making the stainless-steel plate more appropriate to be used in functions the place elevated temperatures are present.

• The addition of the extra carbon in 304H chrome steel plate significantly effects the mechanical properties of 304H stainless steel plate.
• The yield strength of 304H stainless steel plate at 0.2% is 29.seventy three ksi.
• We delight ourselves on supplying Stainless Steel Bars to suit your actual requirements.
• Siddhagiri Metals and Tubes offers a complete range of Stainless Steel Round Bar which is available in Alloy and Stainless Steel grades.
• The tensile energy of grade 304H chrome steel plate is 74.sixty nine ksi.
• On the Brinell hardens scale, 304H stainless steel plate has a hardness of 201 and on the Rockwell B scale, it has a hardness of 92.

304H Stainless steel plate is usually found throughout the power era trade. Its used to produce industrial boilers, stress valves, steam exhaust, pipelines, cooling towers, heat exchangers, flanges, and condensers. 304H stainless-steel plate can also be commonly used within the chemical, fuel, and oil refining business A240 SS304H Stainless factory. This ability to resist high temperatures makes 304H stainless-steel a useful materials in theses environments. Most commonly 304H chrome steel is found in petroleum refining crops. SS 304H Rolled Sheet Strips and Stainless Steel Rolled Sheet Strips is in ready stock with Siddhagiri Metals and Tubes.

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The ease of cleansing and of sustaining a hygienic floor on the steel make it excellent for many functions. Dual certified 304/304H is used as a material of building as much as 1500°F. It has general corrosion resistance much like the low carbon 304/304L. However, it’s topic to carbide precipitation within the warmth affected zone of welds.

ASTM A240 TP304H Stainless Steel Plate

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

Type	Grade		ASTM A240 Chemical Composition
	ASTM(A240M)	Others(JIS)	C	Si	Mn	P	S	Ni	Cr	Mo	Others
Austenitic Steels
	304H		0.04/0.10	≤0.75	≤2.00	≤0.045	≤0.030	8.0/10.5	18.0/20.0	―

 

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

Grade	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)
			0-1000C	0-3150C	0-5380C	at 1000C	at 5000C
304H	8000	193	17.2	17.8	18.4	16.2	21.5	500	720

 

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

STANDARD	WERKSTOFF NR.	UNS	JIS	AFNOR	BS	GOST	EN
SS 304H	1.4948	S30409	–	–	–	–	–

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

Type	Mechanical Properties for Stainless Steel Plates, Stainless Steel Sheet
	ASTM(A240M)	Others(JIS)	Tensile Properties				Hardness
			Yield Strength (Mpa)	Tensile Strength (Mpa)		Elongation (%)	HBW	HRBW
AusteniticSteels
	304H		≥205	≥515		≥40	≤201	≤92

304h stainless steel composition

Weldments may be sensitive to HAZ intergranular corrosion in oxidizing acid environments, and to polythionic acid stress corrosion cracking. The carbide precipitation is not dangerous to excessive temperature mechanical properties. WASPALOY – Nickel alloy precipitation hardened by gamma prime with excessive power and oxidation resistance to 1600°F.

304h stainless steel fittings

The most familiar stainless steel is probably Type 304, generally known as T304 or simply 304. Type 304 surgical stainless steel is austenitic steel containing 18-20% chromium and eight-10% nickel.

Martensitic PH stainless with excessive strength, hardness, superior toughness and good corrosion resistance. 317L/317 Stainless Steel – An austenitic stainless steel with increased molybdenum content for improved pitting resistance.

All the stainless steel grades 304, 304L, and 304H are chemically compounded with the components like chromium, phosphorus, silicon, manganese, carbon, sulphur, molybdenum, and nickel. Besides different components chromium, molybdenum, and nickel are the most important contributors in the entire composition.

Grade 304 offers good service in atmospheric situations, resisting most environments except for marine circumstances, or the place industrial air pollution is heavy. Best look is maintained the place the design permits even rain washing of the floor, or the place dust deposits are often washed off the steel. Flat merchandise can be found surface protected with white polyethylene movie. Protection with blue poly vinyl chloride for deep drawing or black PVC can be available. Ti 6Al-4V STA is a modified version of Ti 6Al-4V. It is heat handled for top energy in sections underneath 4″ thick. 347 Stainless Steel is a columbium stabilized austenitic stainless helpful up to 1600°F. 309 Stainless Steel – Austenitic, oxidation immune to 1900°F, reasonable power.

304h ss

The low carbon model, 304L, could also be required for full corrosion resistance when thicker sections are welded. The 304H version has a assured minimal carbon content, which ensures good power at excessive temperatures. Co. is likely one of the promising producers and suppliers of various metallic works. We have been providing a broad range of products all around the globe.

As equipped, this material provides high tensile strength and hardness in comparison with 718 in the annealed situation. Inconel A nickel-chromium alloy with good carburization and oxidation resistance by way of 2000°F. Corrosion and Heat Resistance T-304 is extremely immune to strong oxidizing acids, similar to nitric acid, and resists many natural and inorganic chemical compounds. It has good scale resistance as much as 900℃ in continuous service and 843℃ for intermittent service.

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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 admin@gangsteel.com