Manufacturer, Supplier & Exporter of Stainless Steel Threaded Bushing

A stainless steel threaded bushing is a pipe‑fitting adaptor used to connect two pipes of different sizes or thread types, or to reduce a larger threaded connection to a smaller one. Typically one end is internally threaded (female) and the other end externally threaded (male). The use of stainless steel enhances durability, corrosion resistance, and suitability for demanding industrial environments. The threaded bushing offers a compact, dependable solution for modifying or adapting piping systems without the need for welding or flanges...

Stainless Steel Threaded Bushings are essential fittings used to reduce the size of female threaded openings in piping systems. These bushings are widely employed in industries where durability, corrosion resistance, and precision are critical. The internal and external threading allows them to act as reducers or connectors between pipes or components of different sizes. Their compact design and mechanical strength make them a reliable solution in high-pressure and high-temperature environments.

Riddhi Siddhi Impex is a well-known manufacturer and domestic supplier of Stainless Steel Threaded Bushings in India. With its manufacturing base in Mumbai and a strong distribution network, the company provides a wide range of stainless steel fittings, including bushings, elbows, tees, and more. They manufacture these components in compliance with national and international standards like ASME B16.11 and ASTM specifications, ensuring performance and reliability across all industrial applications...

These threaded bushings are manufactured in various stainless steel grades, including SS 304, SS 316, SS 316L, and Duplex steels. Each grade offers specific benefits, such as high tensile strength, superior resistance to corrosion, and excellent weldability. These features make the fittings suitable for industries such as chemical processing, oil and gas, pharmaceuticals, marine applications, and food processing, where hygiene and chemical stability are essential...

As a trusted Stainless Steel Threaded Bushing Domestic Supplier, Riddhi Siddhi Impex services major industrial cities across India. Cities like Mumbai, Delhi, Bengaluru, Hyderabad, Chennai, Kolkata, Pune, Ahmedabad, and Surat rely on their high-quality pipe fittings for ongoing infrastructure and industrial development projects. The company's strong supply chain ensures timely deliveries and responsive customer service across these metropolitan hubs..

Stainless Steel Threaded Bushing – Technical Details

Product Specification

Product Name	Stainless Steel Threaded Bushing
Manufacturer	Riddhi Siddhi Impex
Thread Type	NPT, BSP, BSPT
Size Range	1/8" to 4"
Pressure Class	Class 150, 300, 600
Material Grades	SS 304, 304L, 316, 316L, Duplex 2205
Standards	ASME B16.11, ASTM A182, MSS SP-79

Chemical Composition (Typical - SS 316)

Element	Content (%)
Carbon (C)	0.08 max
Manganese (Mn)	2.00 max
Silicon (Si)	1.00 max
Phosphorus (P)	0.045 max
Sulfur (S)	0.030 max
Chromium (Cr)	16.0 – 18.0
Nickel (Ni)	10.0 – 14.0
Molybdenum (Mo)	2.0 – 3.0

Mechanical Properties (SS 316)

Property	Value
Tensile Strength	515 MPa min
Yield Strength (0.2%)	205 MPa min
Elongation	40% min
Hardness	95 HRB max

Dimension Chart (Sample Sizes)

Nominal Size	Thread Size	Length (mm)	Hex Size (mm)
1/8"	NPT	18	10
1/4"	BSP	22	14
1/2"	NPT	28	21
3/4"	BSPT	32	26
1"	NPT	38	33

Equivalent Grades

Grade	UNS	EN	JIS
SS 304	S30400	1.4301	SUS 304
SS 316	S31600	1.4401	SUS 316
SS 316L	S31603	1.4404	SUS 316L

Equivalent Standards

Standard	Description
ASME B16.11	Forged Fittings, Socket-Weld and Threaded
ASTM A182	Forged Stainless Steel for High-Temp Service
MSS SP-79	Threaded Reducers and Bushings
BS 3799	British Standard for Steel Pipe Fittings

Other Types of Threaded Fittings

Fitting Type	Description
Threaded Elbow	Used for 90° or 45° pipe turns
Threaded Tee	Three-way connector for fluid diversion
Threaded Plug	Seals the end of a threaded pipe
Threaded Cap	Closes the end of a pipe connection
Threaded Union	Connects and disconnects pipes easily

Their supply network also reaches Tier-2 and Tier-3 cities, including Vadodara, Rajkot, Indore, Nagpur, Bhopal, Jaipur, Kanpur, and Lucknow. These cities are home to fast-growing industrial estates and engineering zones that regularly require stainless steel fittings. Riddhi Siddhi Impex’s capability to supply in bulk or small quantities with short lead times has made them a go-to supplier for many local contractors and project engineers..

Frequently Asked Questions (FAQs)

Q1: What is the use of a Stainless Steel Threaded Bushing?

A1: It is used to connect or reduce the size between two different threaded pipes or fittings.

Q2: Are stainless steel bushings corrosion-resistant?

A2: Yes, grades like SS 316 and Duplex offer high corrosion resistance in harsh environments.

Q3: Do you supply to all Indian cities?

A3: Yes, Riddhi Siddhi Impex supplies to Mumbai, Delhi, Bengaluru, Ahmedabad, Surat, Pune, and many more domestic cities.

Q4: Can I get customized thread types or sizes?

A4: Absolutely. We offer customization for NPT, BSP, BSPT threads and non-standard dimensions upon request.