These grades of austenitic stainless steels are the most versatile and widely used stainless steels. They exhibit excellent corrosion resistance to a wide range of corrosive environments. Type 304 and 304L stainless commercial tubing grades exhibit good machinability and have excellent weld-ability characteristics with or without the addition , api 5l b x60 supplier
Remarkably high strength as well as scaling resistance and phase stability set 321 Stainless Steel apart from other similar grades. This grade is not, however, recommended for welding consumable, as the titanium component does not allow good transfer of heat across a high-temperature arc.
General Properties. Alloy 321 (UNS S32100) is a titanium stabilized austenitic stainless steel with good general corrosion resistance. It has excellent resistance to intergranular corrosion after exposure to temperatures in the chromium carbide precipitation range of 800 1500F (427 816C).
321 stainless is a titanium stabilized grade commonly used for service in the 1000-1600F temperature range. For service temperatures up to about 1600F, a stabilizing treatment at 1550-1650F, air cool, may be used to provide optimum resistance to intergranular corrosion and to polythionic acid stress corrosion cracking.
321 stainless steel stockholders and suppliers, delivering to the whole of the UK. This grade is a titanium stabilised austenitic stainless. The addition of titanium to 321 stainless helps improve its welding properties and the elevated temperature properties of the steel.
Grade 321 stainless steel (1.4541) is a heat resistant grade supplied into numerous industry sectors. The key property of this grade is the added titanium content (5 x C%) stabilising the material and making its resistance to carbide precipitation when exposed to high temperatures and resistance to oxidation its main characteristics.
321 stainless steel is non-magnetic. We supply 321 stainless steel sheet in a variety of lengths and widths and can custom cut to your exact specifications. Our stainless steel coil can also be slit to your desired width. We are also suppliers of hex bar and 321 round bar stock.
Type 321 stainless steel s also advantageous for high temperature service because of its good mechanical properties. Type 321 stainless steel offers higher creep and stress rupture properties than Type 304 and, particularly, Type 304L which might also be considered for exposures where sensitization and intergranular corrosion are concerns.
I want to know the maximum temperature use of the following stainless steel : -304L -316L -316TI -321 and 309 For mechanical components or sheets. The mechanical stresses are low. The expansion is not hindered. Some components are welded. Thank you in advance for your help and advises. Julian
Type 321 is a chromium-nickel stainless steel and with the addition of titanium, type 321 is resistant to intergranular corrosion. Type 321's general corrosion is less than Type 302.. Type 321 is used where resistance to intergranular corrosion is required and where the parts are subjected to sustained heating or cooling within the range of 800 to 1500F.
321 is similar to 304, but uses titanium as a stabiliser. They differ in that they are resistant to intergranular corrosion after heating to temperatures in the carbide precipitation range. Applications include aircraft exhaust manifolds, furnace parts, heat exchangers, furnace parts etc.
Type 321 is a titanium stabilized chromium nickel austenitic stainless steel with corrosion resistance similar to 304/304L. This grade is typically used in the 800-1500F temperature range where it is stabilized against chromium carbide precipitation by the addition of titanium, which results in the precipitation of titanium carbides.
However, the addition of titanium limits the application of 321 in terms of working. The metal is not recommended for certain welding techniques as it is not consumable. Beyond this, stainless steel 321 has excellent forming characteristics, does not require annealing after being welded, and displays toughness in a range of temperatures.
1832F (1000C) maximum temperature. Nitriding or carburizing atmospheres 1562 1742F (850 950C) maximum. The alloy does not perform as well as Alloy 600 (UNS N06600) or Alloy 800 (UNS N08800) in reducing, nitriding or carburizing atmospheres, but it does outperform most heat resistant stainless steels in these conditions. Creep , api 5l b x60 supplier
Maximum service temperatures in air for stainless steels , api 5l b x60 supplier where EN 10095 suggests that the 321 type (1.4541 / 1.4878) is 'inferior' to the 316 and 304 types, as shown in the ASM data. , api 5l b x60 supplier This steel family is limited in the European pressure vessel standard EN 10028-7 to a maximum temperature of 250C.
DUPLEX Stainless Steel , api 5l b x60 supplier Minimum and Maximum CONTROL OF NITROGEN LEVEL Add N2 to the shielding gas WE NEED CORROSION RESISTANCE TOUGHNESS AT LOW TEMPERATURE . WHAT ABOUT WELDED STRUCTURES ? Austenitic filler metal CONTROL OF FERRITE Not required for when using fully austenitic filler metal CONTROL OF OXYGEN CONTENT
Stainless Steel - Grade 321 CS 321 Technical Data . CS 321 is a titanium-stabilised version of CS 304, used in particular applications within the sensitizing temperature range. Its resistance to sensitization, coupled with its higher strength at high temperature makes it suitable in application where CS 304 will become sensitized, or where CS 304L has insufficient hot strength.
limited to a maximum operating temperature of 750F (399C); the % molybdenum alloy steels to approximately 850F (454C); and the stainless steels to considerably higher temperatures depending upon the type used. It is important to recognize that for high-temperature service, strength at temperature is related to time at temperature.
Three types of stainless steel (AISI 304, AISI 316, AISI 321) with different chemical compositions were selected (Table 1). In spite of inconsiderable differences in the content of alloy additions, they are characterized by different corrosion resistance and are used in various applications. Stainless steel
The 321 stainless steel plate is a Ni-Cr-Mo austenitic stainless steel plate, and its performance is very similar to that of the 304 stainless steel plate, but it has better resistance to intergranular corrosion and high temperature strength due to the addition of titanium metal.
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Stainless steels are used at temperatures up to 1700 F for 304 and 316 and up to 2000 F for the high temperature stainless grade 309(S) and up to 2100 F for 310(S). Stainless steel is used extensively in heat exchangers, super-heaters, boilers, feed water heaters, valves and main steam lines as well as aircraft and aerospace applications.
When comparing the chemical composition of 321 SS and 304/304L SS, it is clear that the chromium (Cr) and nickel (Ni) ranges of these alloys are very similar. The difference appears when the issue of carbide precipitation in the heat-affected zone (HAZ) is discussed or fatigue strength and temperature are considered.
Another popular alloy of stainless steel, grade 316 SS is often used for applications that involve powerful corrosives, as its corrosion resistance generally exceeds that of grade 304 SS. The temperature tolerance of grade 316 stainless steel is close to that of grade 304, being just a little bit lower.