Resistance to carburization by Inconel 600 wire - Heanjia Super-metals Co., Ltd.

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Resistance to carburization by Inconel 600 wire

The inconel alloy 600 offers superior resistance to carburization. In the below table, the results of analysis made at the high temperature of carburization are described:

Alloy	Weight Gain, mg/cm2
	1700°F (925°C)	2000°F (1095°C)
INCONEL alloy 600	2.66	12.30
INCONEL alloy 601	2.72	16.18
INCOLOY alloy 800HT	4.94	21.58
Type 330 Stainless Steel	4.94	24.00

The inconel 600 alloy offers resistance to sulfur compounds at the intermediate temperatures though it is prone to sulfidation when subjected at higher temperature in the sulfur conditions. The molybdenum disulfide is a lubricant that is used to protect the group of components and it should not be utilized if the alloy is set into temperatures more than 800oF. The inconel 600 resistance wire is readily formed by the hot or cold processing and it can be connected by following the standard welding methods, brazing and soldering techniques. However the alloy can be toughened and forced only by the cold processing, a large series of mechanical features that can be obtained by the finishing components by the cold processing and heat processing.

The carbide solution starts at temperature of 1900oF or 1040oC. The processing of one to two hours is done at temperature of 2000oF to 2100oF or 1090oC to 1150oC that dissolves in the carbide solution completely and provides the developed grain size. The solution processing is helpful in receiving the highest creep and rupture potential. Basically the alloy with the adequate grain size is recommended due to its enhanced resistance to corrosion and more tensile strength, fatigue strength and impact strength. The superior grain material is recommended for the lower temperature operations, moderate temperature applications and also elevated temperature applications that also causes resistance to shock and corrosion.

The grain size is also based on treatment. The warm rolled products possesses the smaller grain size due to its finishing at the lower temperatures. The annealing puts minimum effect on the grain size of the hot rolled sample. The cold processed material is either annealed or cold drawn to get the smaller grain size. The solution processing gives the coarse grain structure in the hot processing or cold processing. The below table shows temperature and time period necessary for the recrystallization of cold processing differs on the large scale on the base of cold processing and the constituents of elements.

Cold Reduction%	Temperature Required forRecrystalization in
Cold Reduction%	15 min	30 min	60 min	120 min
5	1775oF / 968oC	1750oF / 954oC	1700oF / 927oC	1700oF / 927oC
10	1650oF / 899oC	1600oF / 871oC	1550oF / 843oC	1550oF / 843oC
20	1525oF / 829oC	1475oF / 802oC	1425oF / 774oC	1425oF / 774oC
50	1350oF / 732oC	1325oF / 718oC	1275oF / 691oC	1275oF / 691oC

The nature of performance of alloy while heat processing controlled by the various factors like amount of cold processing, grain size, chemical constituents and dimensions of the sample. Thereby the period and temperature ranges for the heat processing are evaluated. Basically, the annealing treatment of 1850oF for 15 minutes produces the soft material. In short, the exposure of alloy for 1900oF or 1040oC provides the supple material without causing the coarse grain structure. The development of grain doesn't occur without heating the inconel up to 1800oF or 980oC. At this temperature, the distributed carbide material in the alloy's microstructure that can restrict the grain development.

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