Manufacturer, Supplier & Exporter of Duplex Steel Bushing

Duplex Steel Bushings are precision-engineered components crafted from duplex stainless steel alloys, renowned for their unique microstructure comprising both austenitic and ferritic phases. This dual-phase structure imparts exceptional strength, enhanced resistance to stress corrosion cracking, and improved fatigue resistance, making them ideal for high-stress applications in various industries...

With over two decades of experience, Riddhi Siddhi Impex has established itself as a premier manufacturer and supplier of Duplex Steel Bushings in India. Operating from strategic locations in Mumbai and Vadodara, the company boasts state-of-the-art manufacturing facilities and a team of skilled professionals dedicated to producing components that meet international quality standards. Their commitment to excellence ensures that each bushing is fabricated with precision, durability, and reliability..

Duplex Steel Bushings are integral to numerous applications, including automotive, chemical processing, marine, and power generation sectors. In the automotive industry, they are used in suspension systems and drivetrain components, while in chemical processing, they serve in pumps and valves exposed to corrosive environments. Their versatility extends to marine applications, where they withstand harsh seawater conditions, and to power generation, where they endure high temperatures and pressures...

Quality is paramount at Riddhi Siddhi Impex. Each Duplex Steel Bushing undergoes rigorous testing, including dimensional checks, hardness tests, and corrosion resistance assessments, to ensure compliance with industry standards. The company holds certifications from recognized bodies, affirming their adherence to international quality norms and reinforcing their reputation as a trusted supplier..

Riddhi Siddhi Impex's extensive distribution network spans major Indian cities such as Mumbai, Delhi, Bengaluru, Hyderabad, Chennai, Kolkata, Pune, Ahmedabad, Surat, Vadodara, Rajkot, Nagpur, Indore, Bhopal, Jaipur, Kanpur, Lucknow, Agra, Varanasi, Amritsar, Chandigarh, Mysuru, Udaipur, Jodhpur, Visakhapatnam, Coimbatore, Madurai, Kochi, Thiruvananthapuram, Mangalore, Nashik, Kolhapur, Chandrapur, Akola, Vilayat, Somnath, Dahej, Narmada, Ankleshwar, Navsari, Valsad, and Rajpipla. This widespread presence ensures timely delivery and accessibility of their products across the country..

Duplex Steel Bushing

Specification

Grade	Duplex Stainless Steel 2205 / 2507
Standard	ASTM A182 / ASME SA182
Size	DN 15 to DN 600
Thickness	As per standard dimensions
End Connection	Socket Weld / Threaded / Butt Weld
Form	Fitting / Bushing
Finish	Polished, Pickled & Passivated

Chemical Composition

Element	Content (%)
Chromium (Cr)	21 – 23
Nickel (Ni)	4.5 – 6.5
Molybdenum (Mo)	2.5 – 3.5
Manganese (Mn)	1.2 – 2.0
Nitrogen (N)	0.08 – 0.20
Carbon (C)	≤ 0.03
Iron (Fe)	Balance

Mechanical Properties

Property	Value
Tensile Strength	≥ 620 MPa
Yield Strength (0.2% offset)	≥ 450 MPa
Elongation	≥ 25%
Hardness	≤ 300 HB

Dimension Chart

Nominal Size (DN)	Outside Diameter (mm)	Thickness (mm)
15	21.3	2.11
25	33.7	2.64
50	60.3	3.91
100	114.3	6.02
200	219.1	8.18

Equivalent Grades

Standard	Grade
ASTM	F51 / UNS S32205
EN	1.4462
JIS	SUS329J4L
GB	2205 Duplex

Equivalent Standards

Standard	Description
ASTM A182	Forged or Rolled Alloy and Stainless Steel Pipe Flanges, Forged Fittings, and Valves and Parts
ASME SA182	Specification for Forged or Rolled Alloy and Stainless Steel Pipe Flanges, Forged Fittings, and Valves

Other Types of Duplex Stainless Steel Fittings

Type	Description
Socket Weld Tee	For branch connections in piping systems
Threaded Elbow	Available in 45° and 90° angles for pipe direction changes
Socket Weld Coupling	Connects two pipes with a socket weld end
Threaded Cross	Four-way pipe fitting for multi-branch connections

Duplex Steel Bushings are precision-engineered components made from duplex stainless steel alloys, which combine austenitic and ferritic microstructures. This unique combination provides superior mechanical strength, excellent resistance to stress corrosion cracking, and remarkable durability in aggressive environments. Industries across India increasingly rely on these bushings for critical applications where reliability and performance are paramount..

Frequently Asked Questions (FAQs)

Q1: What are the main applications of Duplex Steel Bushing?

A1: Duplex Steel Bushing is widely used in chemical, petrochemical, oil & gas, marine, and power industries for corrosion-resistant piping connections.

Q2: Can Riddhi Siddhi Impex supply customized sizes?

A2: Yes, we offer custom dimensions and thicknesses according to client requirements.

Q3: Is Duplex Steel Bushing suitable for high-pressure applications?

A3: Yes, its high tensile and yield strength makes it suitable for high-pressure and high-temperature environments.

Q4: Which Indian cities do you supply Duplex Steel Bushing to?

A4: We supply to cities like Mumbai, Delhi, Bengaluru, Hyderabad, Chennai, Kolkata, Pune, Ahmedabad, Surat, Vadodara, Rajkot, Nagpur, Indore, Bhopal, Jaipur, Kanpur, Lucknow, and many more domestic locations.