Duplex Steel S31803 / S32205 Instrumentation Tube Fittings

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Virgin engineers are identified as a supplier of Duplex Steel S31803 / S32205 Instrumentation Tube Fittings. Due to its resistance ability, it finds useful in a diverse range of engineering sectors. The microstructure of duplex steel has both austenitic and ferritic structure that enhance properties ideal for engineering applications. These are tube fittings that are designed by us considering the global standards and set industrial norms. This grade is tougher and stronger than standard austenitic steel. These tube fittings are made by the tested and superior quality of crude materials that offer good resistance to local and general corrosion. We suit up the advanced technology and equipment to whirl production that meets and exceed the requirements of the customers.

Instrumentation Stainless Steel Tube Fittings

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Duplex Steel S31803 Instrumentation Tube Fittings:
The duplex steel has microstructure having 50/50 austenitic and ferritic structure named as UNS S31803 in a unified numbering system. It has higher mechanical strength and having higher ductility. It has higher corrosion resistance in different cyclic environments ranging from moderate to higher concentric environments. These tube fittings can be operated in the pitting and crevice corrosion environments. Moreover, these tube fittings have a good ability to resist stress corrosion cracking, ranging from nominal to sub-zero temperatures. Therefore, Duplex Steel S31803 can successively be used on the behalf of standard grades where the higher mechanical properties are needed. The welding and machining of these tube fittings don’t show any particular problems.

Duplex Steel S32205 Instrumentation Tube Fittings:
Duplex Steel S32205 is a high strength and corrosion resistance duplex steel instrumentation tube fittings widely used in the chemical processing and petrochemical plants. UNS S32205 is the numbering of this grade in the unified numbering system. For a long time aging exposure can inflame weakening and embrittlement of corrosion resistance in the temperature up to 475 deg C. In the same temperature the aging process works as heat treatment that enhances resistance ability. Due, to this operation other features may decrease. Before annealing and heat treating process it is analyzed. It is induced in the aging process to achieve a higher hardening level with a decrease of ductility. It has higher work hardening rate than standard grades. This grade has also the ferritic and austenitic structure that is ideal for industrial applications. This grade replaces the heavy and bulky options from the industrial applications. The higher reliability of these instrumentation tube fittings is due to the excellent combination of mechanical properties, toughness, and resistance ability.

Duplex Steel S31803 / S32205 Instrumentation Tube Fittings are tested under different testing measures to ensure its reliability and functionality in adverse applications. The tests procedure checks the overall strength of tube fittings. Those tests are hardness test, IGC test, pitting corrosion test, chemical test, mechanical test, tensile test, radiographic test, destructive tests, and macro test. Micro test, ultrasonic test, compression test, pressure test, leakage test and non- destructive are also performed by us. In order to deliver these tube fittings in damage free mode, we use high quality standard packing techniques. It is covered by a thin film of plastic to add prevention from rusting.

Specification

Size Range

1/16” 1/2” & 1.5MM to 38.1MM

STANDARD	WERKSTOFF NR.	UNS
2205 Duplex	1.4462	S31803 / S32205

Grade	C	Mn	Si	P	S	Cr	Mo	Ni	N	Fe
S31803	0.030 max	2.00 max	1.00 max	0.030 max	0.020 max	22.0 – 23.0	3.0 – 3.5	4.50 – 6.50	0.14 – 0.20	63.72 min
S32205	0.030 max	2.00 max	1.00 max	0.030 max	0.020 max	21.0 – 23.0	2.50 - 3.50	4.50 – 6.50	0.8 – 0.20	63.54 min