Manufacturer, Supplier & Exporter of Super Duplex Steel Nipple

Super Duplex Steel Nipple is a high-performance pipe fitting manufactured using premium Super Duplex Stainless Steel (S32750 / S32760), known for its exceptional corrosion resistance, mechanical strength, and durability. Riddhi Siddhi Impex is a leading manufacturer and domestic supplier of these fittings, ensuring superior quality products suitable for critical applications in oil, gas, chemical, petrochemical, and marine industries...

Riddhi Siddhi Impex specializes in manufacturing Super Duplex Steel Nipples with precise dimensions and tight tolerances, ensuring seamless integration with other pipeline components. The nipples are available in a range of sizes and thread standards, including BSP and NPT, to meet diverse industrial requirements..

These nipples are designed to withstand high-pressure and high-temperature environments, making them ideal for challenging industrial applications. Their duplex microstructure combines austenitic and ferritic phases, giving them high strength and excellent resistance to pitting, crevice corrosion, and stress corrosion cracking..

Riddhi Siddhi Impex supplies Super Duplex Steel Nipples across major domestic cities in India, including 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, Ankleshwar, Navsari, Valsad, and Rajpipla..

These nipples are commonly used for joining two threaded pipes, extending pipe runs, or connecting pipe components where precision and leak-proof connections are essential. They are widely adopted in chemical processing plants, refineries, desalination plants, offshore oil platforms, and power plants..

Super Duplex Steel Nipple

Specification

Grade	Super Duplex Stainless Steel S32750 / S32760
Standard	ASTM A182 / ASME SA182
Thread Type	BSP / NPT
Size Range	1/8" to 4"
Length	Custom Lengths
Surface Finish	Polished, Pickled, Passivated
Form	Threaded Nipple

Chemical Composition

Element	Content (%)
Carbon (C)	0.03 max
Chromium (Cr)	24 – 26
Nickel (Ni)	6.5 – 8.5
Molybdenum (Mo)	3 – 5
Manganese (Mn)	2 max
Nitrogen (N)	0.2 – 0.3
Iron (Fe)	Balance

Mechanical Properties

Property	Value
Tensile Strength	780 – 860 MPa
Yield Strength (0.2% offset)	550 – 650 MPa
Elongation	25 – 35%
Hardness	≤ 290 HB
Impact Strength	≥ 100 J at room temp

Dimension Chart

Nominal Size	Length (mm)	Thread Type
1/8"	25	BSP / NPT
1/4"	30	BSP / NPT
1/2"	40	BSP / NPT
1"	50	BSP / NPT
2"	70	BSP / NPT
4"	100	BSP / NPT

Equivalent Grades

Standard	Grade
ASTM	S32750 / S32760
EN	1.4410 / 1.4501
ISO	AD-S32205

Equivalent Standards

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

Other Types of Super Duplex Steel Fittings

Type	Description
Hex Nipple	Threaded on both ends with hex shape for wrench installation
Close Nipple	Short threaded nipple used for tight connections
Reducing Nipple	Connects pipes of different diameters
Custom Threaded Nipple	Made as per specific length, thread, or size requirements

With a combination of high tensile strength, durability, and resistance to pitting and crevice corrosion, Super Duplex Steel Nipples from Riddhi Siddhi Impex provide reliable and long-lasting performance in industrial piping systems. The company’s focus on quality, timely supply, and domestic distribution makes it a trusted supplier across India..

Frequently Asked Questions (FAQs)

Q1: What is the typical application of Super Duplex Steel Nipple?

A1: It is widely used in chemical, petrochemical, oil & gas, marine, and desalination industries for connecting pipes.

Q2: Can Riddhi Siddhi Impex supply custom sizes?

A2: Yes, custom sizes, lengths, and thread types can be manufactured as per project requirements.

Q3: How corrosion-resistant is Super Duplex Steel?

A3: It offers excellent resistance to pitting, crevice, and stress corrosion cracking in chloride-rich environments.

Q4: Which domestic cities in India do you supply to?

A4: We supply across Mumbai, Delhi, Bengaluru, Hyderabad, Chennai, Kolkata, Pune, Ahmedabad, Surat, Vadodara, Rajkot, Nagpur, Indore, Bhopal, Jaipur, and other major cities in India.