Duplex Steel Hydraulic Fittings

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Noah Tubefittings is a well-respected manufacturer and supplier located in Kinshasa, Congo, specializing in top-notch **Duplex Steel Hydraulic Fittings** that are built for exceptional strength, corrosion resistance, and reliability in tough industrial settings. These fittings are crafted to ensure secure, leak-free connections in hydraulic and instrumentation systems that operate under high pressure. Made from high-quality Duplex Steel, they boast impressive mechanical properties along with outstanding resistance to pitting, crevice corrosion, and stress corrosion cracking. Noah Tubefittings is committed to precision engineering, durability, and consistent performance, making their Duplex Steel Hydraulic Fittings perfect for critical operations in challenging environments.

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The composition of Duplex Steel Hydraulic Fittings primarily includes chromium (22–23%), nickel (4.5–6.5%), and molybdenum (2.5–3.5%), with nitrogen added for extra strength. They have a tensile strength of about 620 MPa and a yield strength of around 450 MPa. This unique dual-phase structure of austenite and ferrite offers remarkable resistance to corrosion and high mechanical stability, ensuring they remain reliable even under extreme pressures and temperatures.

Duplex Steel Hydraulic Fittings Specifications

DESIGN STANDARD	DIN 2353/ ISO 8434-1
MATERIAL	DUPLEX 2205
SERIES	LL- LOW PRESSURE , L- MEDIUM PRESSURE, S- HIGH PRESSURE
WORKING PRESSURE	1 BAR TO 700 BAR
SIZE RANGE	6 MM TO 42 MM
CONNECTIONS	TUBE TO TUBE , TUBE TO MALE THREAD , TUBE TO FEMALE THREAD , TUBE TO BUTT WELD , TUBE TO SOCKET WELD , TUBE TO JIC 37* , TUBE TO 24* CONE, TUBE TO SWIVEL END , TUBE TO ADJUSTBALE STANDPIPE
CONNECTIONS	WELD NIPPLE TO MALE THREAD , WELD NIPPLE TO FEMALE THREAD , WELD NIPPLE TO BUTT WELD , WELD NIPPLE TO SOCKET WELD , WELD NIPPLE TO 24* CONE , WELD NIPPLE TO 37* JIC , WELD NIPPLE TO SWIVEL
BODY TYPE	FORGED, BAR STOCK
SURFACE	EXPORT BRIGHT FINISH, SHORT BLASTED FINISH, ELECTROPLATED FINISH

Duplex Steel Hydraulic Fittings Chemical Composition

ELEMENT	DUPLEX 2205	DUPLEX 31803
NI	4.50 – 6.50	4.50 – 6.50
C	0.030 max	0.030 max
MN	2.00 max	2.00 max
P	0.030 max	0.030 max
S	0.20 max	0.020 max
SI	1.00 max	1.00 max
CR	21.0 – 23.0	22.0 – 23.0
MO	2.50 – 3.50	3.0 – 3.5
N	0.08 – 0.20	0.14 – 0.20
FE	63.54 min	63.72 min

Duplex Steel Hydraulic Fittings Mechanical Properties

Grade	YS (MPa)	UTS (MPa)	% Elongation	Hardness(BHN)
31803	450 min.	620 min.	25 min.	293 max.
2205	450 min.	655 min.	25 min.	293 max.

Duplex Steel Hydraulic Fittings Physical Properties

Density (Kg.m-1)	7810
Magnetic Permeability	<50
Young’s Modulus (N/mm2)	190 x 10^3
Specific Heat, 20°C (J.Kg-1.°K-1)	400
Specific Electrical Resistance, 20°C (µO.m)	0.85
Thermal conductivity, 20°C	15
Mean coefficient of thermal expansion	11 x 10^-6

Duplex Steel Hydraulic Fittings Equivalent Grade

STANDARD	WERKSTOFF NR.	UNS
Duplex 2205 Plate	1.4462 / 1.4462	UNS S31803 / UNS S32205

Top Duplex Steel Hydraulic Fittings Manufacturing Company in Kinshasa

At Noah Tube Fittings, we are the largest supplier, manufacturer, and exporter of Duplex Steel Hydraulic Fittings in Kinshasa, Congo. Our advanced manufacturing facilities, strategically positioned in the Congo, enable us to deliver high-quality solutions to meet your specific requirements. With a robust inventory of over 16,000 tons of top-grade materials, we are well-equipped to fulfil your needs promptly. Our commitment to excellence and efficiency ensures we always have the available stock to support your demands.

Types of Duplex Steel Hydraulic Fittings

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We offer These Products as per DIN, ISO, JIS or ANSI Standard.

Largest Manufacturer and Supplier of Duplex Steel Hydraulic Fittings in Kinshasa, Congo

These fittings are commonly found in various industries, including oil and gas, chemical processing, marine, desalination, and power generation. They are particularly suited for hydraulic systems, offshore platforms, and equipment that come into contact with seawater and corrosive fluids. With their ability to deliver high performance and leak-proof connections, they help maintain system integrity in demanding conditions. Their exceptional blend of strength, corrosion resistance, and fatigue endurance makes them a top choice for critical fluid handling and hydraulic applications.

Duplex Steel Hydraulic Fittings Uses

Duplex steel hydraulic fittings are widely used in applications requiring high strength and corrosion resistance. They are ideal for offshore oil and gas applications, where high-pressure water is handled and resist seawater corrosion. In the chemical industry these fillers ensure durability when exposed to acids and strong chemicals. It is used in desalination plants, power generation and the petrochemical industry, where reliability is critical in extreme conditions. In addition, steel duplex hydraulic fittings are used in marine products, pulp and paper manufacturing, and fire suppression systems to ensure efficient, watertight connections in industrial areas a strong.