Manufacturer, Supplier & Exporter of Duplex Steel Threaded Cross

Duplex Steel Threaded Cross is a critical pipe fitting designed to connect four pipes at a single junction, ensuring smooth flow and distribution in complex piping systems. Manufactured from high-performance duplex stainless steel, this fitting combines superior corrosion resistance with high mechanical strength, making it suitable for demanding industrial environments. Riddhi Siddhi Impex is a trusted manufacturer and supplier of premium duplex steel threaded crosses across India, providing products that meet international standards and rigorous quality checks...

Riddhi Siddhi Impex produces Duplex Steel Threaded Crosses in a variety of grades, including S31803, S32205, S32750, and S32760, ensuring optimal selection based on corrosion resistance, strength, and application requirements. These fittings are fabricated using precise forging and machining techniques, guaranteeing durability, consistent dimensions, and excellent thread quality. The fittings are suitable for high-pressure pipelines and are widely used in chemical processing, oil and gas, water treatment, and marine industries..

The threaded design of the Duplex Steel Cross ensures easy installation without the need for welding, reducing labor costs and installation time. The fittings support various thread types such as BSP, NPT, and BSPT, making them versatile for different piping standards and systems. Riddhi Siddhi Impex emphasizes high-quality threading that ensures leak-proof joints, preventing fluid loss and maintaining system efficiency...

Riddhi Siddhi Impex supplies Duplex Steel Threaded Crosses in a wide range of sizes and pressure classes to suit both small and large-scale industrial applications. Nominal sizes typically range from 1/8 inch to 4 inches, and pressure classes include 2000#, 3000#, and 6000#, offering flexibility to meet project-specific requirements. Custom dimensions and specifications can also be provided based on client requirements, ensuring complete satisfaction...

Duplex Steel Threaded Crosses are widely distributed by Riddhi Siddhi Impex across major Indian cities including Mumbai, Delhi, Bengaluru (Bangalore), Hyderabad, Chennai, Kolkata, Pune, Ahmedabad, Surat, Vadodara, Rajkot, Nagpur, Indore, Bhopal, Jaipur, Kanpur, Lucknow, Agra, Varanasi, Amritsar, Chandigarh, Mysuru (Mysore), Udaipur, Jodhpur, Visakhapatnam, Coimbatore, Madurai, Kochi, Thiruvananthapuram, Mangalore, Nashik, Kolhapur, Chandrapur, Akola, Vilayat, Somnath, Dahej, Narmada, Ankleshwar, Navsari, Valsad, and Rajpipla. This extensive domestic distribution network ensures timely delivery and availability nationwide..

Duplex Steel Threaded Cross

Specification

Property	Detail
Material	Duplex Stainless Steel (S31803, S32205, S32750, S32760)
Standard	ASTM A182 / ASME B16.11
Size	1/8" to 4"
Pressure Class	2000#, 3000#, 6000#
Thread Type	BSP, NPT, BSPT
Surface Finish	Polished / Matte / Custom
Application	Chemical, Petrochemical, Oil & Gas, Water Treatment, Marine

Chemical Composition (%)

Element	Range (%)
Chromium (Cr)	22–23
Nickel (Ni)	4–6
Molybdenum (Mo)	3–5
Manganese (Mn)	1.5–2.5
Carbon (C)	≤0.03
Silicon (Si)	≤1.0
Iron (Fe)	Balance
Nitrogen (N)	0.14–0.20

Mechanical Properties

Property	Value
Tensile Strength	≥ 650 MPa
Yield Strength	≥ 450 MPa
Elongation	≥ 25%
Hardness	≤ 35 HRC

Dimension Chart

Nominal Size	Thread Type	Pressure Class
1/8"	BSP / NPT	2000#
1/4"	BSP / NPT	3000#
1/2"	BSP / NPT	3000#
1"	BSP / NPT	6000#
2"	BSP / NPT	6000#
4"	BSP / NPT	6000#

Equivalent Grades

Standard	Equivalent Grade
ASTM	S31803 / S32205 / S32750 / S32760
EN	1.4462 / 1.4410 / 1.4501 / 1.4507
JIS	SUS329J1 / SUS329J4L / SUS32750
GB	00Cr22Ni5Mo3N / 00Cr22Ni5Mo3N

Equivalent Standards

Standard	Description
ASTM A182	Forged or Rolled Alloy & Stainless Steel Pipe Flanges, Forgings, and Fittings
ASME B16.11	Forged Fittings, Socket-Welding and Threaded

Other Types of Duplex Steel Fittings

Type	Description
Socket Weld Elbow	45° / 90° elbow for pipeline directional changes
Threaded Elbow	45° / 90° threaded elbow for easy installation
Socket Weld Tee	Three-way connection for pipelines
Threaded Tee	Threaded three-way fitting for distribution
Socket Weld Cross	Four-way connection with socket weld ends
Threaded Cross	Four-way threaded fitting for complex piping networks

The duplex steel material used provides excellent resistance against pitting, crevice corrosion, and stress corrosion cracking, making these threaded crosses ideal for environments with chloride exposure or harsh chemicals. Additionally, their high tensile and yield strength ensures reliable performance under high-pressure and high-temperature conditions. This combination of properties extends the service life of the piping system and reduces maintenance costs..

Frequently Asked Questions (FAQs)

Q1: What are the common applications of Duplex Steel Threaded Cross?

A1: It is widely used in chemical, petrochemical, oil & gas, water treatment, and marine industries for complex pipeline junctions.

Q2: Can Duplex Steel Threaded Cross be supplied in custom sizes?

A2: Yes, Riddhi Siddhi Impex provides custom sizes, thread types, and pressure classes based on project requirements.

Q3: What standards do these threaded crosses comply with?

A3: All Duplex Steel Threaded Crosses comply with ASTM A182 and ASME B16.11 standards, ensuring high quality and durability.

Q4: Is Duplex Steel corrosion resistant?

A4: Yes, duplex stainless steel offers excellent resistance to pitting, crevice corrosion, and stress corrosion cracking, making it ideal for harsh environments.