ASTM A240 304h stainless steel suppliers

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.

Only the carbon contents differentiate 316, 316L and 316H grades . Specifications for another products, particularly tube and pipe, have a carbon restrict of 0.035% or 0.040% most for 304L and 316L, however are otherwise the identical.

ASTM A240 TP304H Stainless Steel Hot Rolled Plates

Grade 304 is extremely demanded in the fields of food processing and handling industries as they’re anti-corrosive as well as high-temperature adapters. These sheets and plates are getting used diversely within the architectural and constructional business for its high pressure and stress absorbance qualities. Alloys 304, 304L, and 304H are also immune to reasonably aggressive natural acids such as acetic and decreasing acids similar to phosphoric. The 9 to eleven percent of nickel contained by these 18-8 alloys assists in providing resistance to reasonably lowering environments. The more extremely reducing environments similar to boiling dilute hydrochloric and sulfuric acids are shown to be too aggressive for these supplies. The 18 to 19 p.c of chromium which these alloys comprise offers resistance to oxidizing environments corresponding to dilute nitric acid, as illustrated by data for Alloy 304 beneath.

If you have an interest in shopping for ASTM A204 metal plate merchandise, contact us now for the newest value or examine the next desk for equal metal grade of ASTM A204. “L” grades can be utilized as standard grades as long as excessive temperature strength isn’t required, and the mechanical properties conform to the usual grade necessities. “L” grades almost always comply with the standard grade necessities, but this must be investigated on each event.

• The carbon content of Alloy 304 might enable sensitization to happen from thermal situations experienced by autogenous welds and heat-affected zones of welds.
• Low carbon content material extends the time necessary to precipitate a dangerous degree of chromium carbides however does not remove the precipitation reaction for materials held for lengthy times within the precipitation temperature vary.
• We have been offering a broad range of products throughout the globe.
• Such steels are “sensitized” and topic to intergranular corrosion when exposed to aggressive environments.
• For this purpose, the low carbon Alloy 304L is most well-liked for functions by which the fabric is put into service within the as-welded situation.

The Alloy 304L is most well-liked to be used in such media in the welded situation since the low carbon level enhances resistance to intergranular corrosion. 304H chrome steel plate consists of between 0.04% and 0.10% carbon. 304H stainless steel plate can also be comprised of at most 0.seventy five% silicon, 2.00% manganese and 0.045% phosphorous.

In basic, all three grades are being elongated by way of the utmost restrict of 40%. Also, they have the highest melting level at 1400 levels Celsius aside from the 304H.

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Despite their corrosion resistance, stainless steels want care in fabrication and use to take care of their floor appearance even beneath normal situations of service. Alloy 309 (23% Cr thirteen.5% Ni) or nickel-base filler metals are used in joining the 18-eight austenitic alloys to carbon metal. The austenitic stainless steels are thought-about to be essentially the most weldable of the high-alloy steels and could be welded by all fusion and resistance welding processes. The Alloys 304 and 304L are typical of the austenitic stainless steels. It is the most broadly used and applied stainless-steel with probably the most complete product forms, specifications and surface types.

stainless 304h properties

Austral Wright Metals assumes no liability in connection with the information in this Product Data Sheet. Austral Wright Metals supplies a complete vary of stainless steels, copper alloys, nickel alloys and different high efficiency metals for challenging service situations. Our engineers and metallurgists might be pleased to supply further data and purposes advice. Exposure of the 18-eight austenitic stainless steels to temperatures within the 800°F to 1500°F (427°C to 816°C) vary may cause precipitation of chromium carbides in grain boundaries. Such steels are “sensitized” and topic to intergranular corrosion when exposed to aggressive environments. The carbon content of Alloy 304 may enable sensitization to happen from thermal situations experienced by autogenous welds and heat-affected zones of welds. For this cause, the low carbon Alloy 304L is preferred for purposes by which the material is put into service in the as-welded situation.

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Low carbon content material extends the time necessary to precipitate a dangerous degree of chromium carbides but does not eliminate the precipitation reaction for materials held for lengthy times within the precipitation temperature vary. Co. is likely one A240 SS304H Stainless factory of the promising manufacturers and suppliers of numerous metal works. We have been offering a broad vary of merchandise all around the globe. These sheets and plates have been praised properly for its outshining welding properties.

Dual licensed product is deliberately intended to fulfill necessities for each commonplace and “L” grades, but can’t be used in applications for “H” grade. If an application requires an “H” grade, this should be specified at time of order.

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

aisi 304h stainless steel

It is common for steel mills to supply “L” heats when commonplace grades have been ordered. The follow is reliable and should not current problems to fabricators or finish users.

304h stainless steel mechanical properties

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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