ASTM A240 304h seamless tubes
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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.
304h round bar
Typical specifications for 304 and 304L ss plates are ASTM A-240, ASME SA -240 and A666. Stainless steel 304 and 304L are also referred to as stainless-steel 1.4301 and 1.307 respectively. It remains to be typically referred to by its old name 18/eight which is derived from the nominal composition of sort 304 being 18% chromium and 8% nickel. Type 304 chrome steel is an austenitic grade that may be severely deep drawn.
You will commonly discover this grade of the metal within the cooking instruments and pans. It additionally has one of the best corrosion resistance capacity; with that, it also has the high ease of the fabrication property. Amardeep steel is among the main Manufacturer, Exporter and Supplier of High Quality ASTM A240 TP 304h Stainless Steel Plates and Sheets.
Stainless steel that falls on this sequence isn’t only advantageous or gift to engineering industries but additionally used in big selection of purposes. Out of the complete product listed in 300 series, stainless steel 304H plates are excessive in demand. It is so for the reason that this is extremely corrosion resistive in comparison with 300 sequence. The price is reasonably priced to the purchasers and thus turns into a purpose for a excessive in demand.
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Heat exchangers, piping, tanks, and different course of tools in contact with recent water also utilize these alloys. You as a patron can place an order for purchasing any of the specified grades of stainless steel 304H plates as per your want and requirement. Different grades counsel totally different features and characteristics which have big trigger and nice blow on the commercial application. The product of 304H plate’s reveals magnetic properties and the heat treatment for hardening is made obtainable. The material exhibits magnetic properties however normally, they are not in any respect heat treatable. Rexton Steel & Alloys propose a variety of products that are very much used within the commerce industries. It supplies high-high quality merchandise manufactured particularly for metal spinning belonging to 300 series.
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 |
SS 304 Stainless Steel Plate packing will be in accordance with worldwide standard in bundles strapped by strips then into containers to avoid any injury. The 18-8 alloys are usually non-magnetic within the annealed condition with magnetic permeability values typically lower A240 SS304H Stainless factory than 1.02 at 200H. Permeability values will range with composition and can improve with cold work. The 18 to 19 percent of chromium which these alloys comprise provides resistance to oxidizing environments such as dilute nitric acid, as illustrated by information for Alloy 304 under.
- Essentially, Grade 304 is an austenitic chromium alloy which is also referred to as an “18/8” stainless as the make-up of the metal is eighteen% chromium and 8% nickel.
- One of essentially the most versatile and generally used stainless steels in the marketplace, Grade 304 stainless-steel is probably the most commonplace used alloy of this sort.
- The chromium content material promotes the fabric’s appreciable resistance to the consequences of corrosion and oxidation.
ASTM A240 TP304H Stainless Steel Clad Plate
The surest warmth therapy to perform both necessities is the answer anneal which is conducted in the 1850°F to 2050°F range (1010°C to 1121°C). Cooling from the anneal temperature ought to be at sufficiently excessive charges by way of °F (816°C – 427°C) to avoid reprecipitation of chromium carbides. Alloy 309 (23% Cr thirteen.5% Ni) or nickel-base filler metals are utilized in becoming a member of the 18-8 austenitic alloys to carbon steel. The fatigue power or endurance limit is the utmost stress under which material is unlikely to fail in 10 million cycles in air environment.
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In general, all three grades are being elongated via the maximum limit of 40%. Also, they have the very best melting point at 1400 degrees Celsius apart from the 304H. Grade 304H has a melting vary from 2550 to 2590 levels Fahrenheit. ASTM A240 metal plate covers Austenitic Steels, Ferritic steels and Martensitic Steels. At current available in the market there are numbers of firms who use to provide this grade of chrome steel but the one which known as the main one is the Sparsh Impex.
ASTM A240 Ss304H Plate
SS 304H Rolled Sheet Coil and Stainless Steel Rolled Sheet Coil is in ready stock with Siddhagiri Metals and Tubes. The technical recommendation and proposals made in this Product Data Sheet shouldn’t be relied or acted upon with out conducting your own additional investigations, including corrosion publicity checks where needed.
ASTM A240 TP304H Stainless Steel Designer Sheet
The alloys are covered by a variety of specs and codes relating to, or regulating, development or use of apparatus manufactured from these alloys for specific circumstances. Food and beverage, sanitary, cryogenic, and stress-containing functions are examples.
What is the chemical composition of 304 stainless steel?
Type 304 stainless steel is a T 300 Series Stainless Steel austenitic. It has a minimum of 18% chromium and 8% nickel, combined with a maximum of 0.08% carbon. It is defined as a Chromium-Nickel austenitic alloy.
The codes don’t permit the use of “L” grades above 525oC or 425oC . Both codes embody a clause stating that to be used above 550oC the standard grades must comprise a minimum of 0.04% carbon. 304 or 316 materials with 0.02% carbon are therefore not permitted for these elevated temperatures, whether or not referred to as “L” or not.
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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