904L is a highly alloyed, low carbon containing, non-stabilized austenitic stainless steel grade. Copper has been added to the alloy of 904L Stainless Steel Pipe. Hence, its resistance to strong reducing acids such as sulfuric acid is very high. The lower content of carbon makes it easier to produce the AISI 904L Welded Pipe according to specification ASTM A312. Though the content of carbon is lower, these pipes could be used for high temperature applications. The significant inclusion of nickel to the alloy of ASME SA 312 TP904L makes it possible for the pipes to have an outstanding performance even in elevated settings. Along with being a non-magnetic alloy, the Stainless Steel 904L Pipe also exhibits good resistance to stress related corrosion cracking. The presence of molybdenum in the alloy reduces the occurrence of crevice corrosion. Along with being used in applications between moderate to high temperatures, the ASTM A312 TP904L is primarily useful for general corrosion applications.
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Mechanical tests like a transverse or longitudinal tension test as well as a flattening test are conducted on the 904L Seamless Pipe to determine its conformance to the tensile properties. Keeping in accordance with ASTM A312 every 904L Pipe must be furnished in a heat-treated condition, with the appropriate heat treatment temperature and fundamentals with regards to cooling or testing.
Stainless Steel 904L Pipe
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SS 904L Seamless Pipe
ASTM A312 TP904L Welded Pipe
Ubique Alloys Pvt. Ltd is a well-known company that manufactures and supplies SS 904L Pipes, which has better ductility and resistance to stress fracture. Stainless Steel 904L Seamless Pipes continues to be employed for prolonged service in the 427 degree c to 816 degree c temperature range. It is suitable in application where Stainless Steel 904L Welded Pipes will become sensitized, or where it has insufficient hot strength. Stainless Steel 904L EFW Pipes is used to provide optimum resistance to inter-granular corrosion in the heat affected zone (HAZ), and to polyphonic acid stress corrosion cracking. Typical uses of Stainless Steel 904L ERW Pipes include annealing covers, high-temperature tempering equipment, diesel and heavy duty automotive exhaust systems, firewalls, etc. Stainless Steel 904L Round Pipes has excellent similar corrosion behavior with the exception of improved inter-granular corrosion resistance due to the titanium addition for stabilization. Stainless Steel 904L Square Pipes is also used for Thermal oxidizers, Refinery equipment, High temperature chemical process equipment, etc. Stainless Steel 904L Rectangular Pipes is as well used for Heat Exchangers, Piping, Furnace Parts, etc.
Stainless Steel 904L Electropolish Pipes shows strength even when exposed to cryogenic temperatures. To avoid overheating or burn-through of thinner sheets of Stainless Steel 904L Hexagonal Pipes, higher welding speed has to be applied. Stainless Steel 904L Bush Hex Pipes has much higher forging pressures or more hammer blows are required to forge it and other austenitic alloys.
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