Manufacturer, Supplier & Exporter of Stainless Steel Socket Weld Cap

A Stainless Steel Socket Weld Cap is a type of pipe fitting designed to cover the end of a pipe to stop the flow of fluids or gases. These caps are commonly used in high-pressure piping systems where a strong, leak-proof seal is essential. Socket weld caps are welded onto the pipe end, making them more robust and reliable compared to threaded caps. Riddhi Siddhi Impex, a trusted name in the metal and piping industry, manufactures and supplies premium-grade stainless steel socket weld caps that conform to international quality standards..

Based in Mumbai, Riddhi Siddhi Impex is a renowned manufacturer, stockist, and domestic supplier of stainless steel pipe fittings, including socket weld caps. The company has over two decades of experience in supplying high-quality stainless steel fittings across India. Their products are manufactured under strict quality control and comply with ASME, ASTM, and DIN standards. As a stainless steel socket weld cap domestic supplier, Riddhi Siddhi Impex ensures timely delivery and competitive pricing across various industrial sectors..

Stainless steel socket weld caps from Riddhi Siddhi Impex offer multiple advantages. They are corrosion-resistant, durable, and able to withstand high pressure and temperature environments. These caps are available in a variety of stainless steel grades like SS 304, SS 316, SS 316L, and duplex alloys. The socket weld design offers a permanent solution for pipe closure, providing a clean finish and strong mechanical performance. Their products are widely used in oil & gas, chemical processing, water treatment, pharmaceuticals, and power generation industries...

Riddhi Siddhi Impex offers socket weld caps in sizes ranging from 1/8” to 4” and in pressure ratings of 3000 lbs, 6000 lbs, and 9000 lbs. The caps are available in multiple finishes and can be customized to meet client-specific requirements in terms of size, grade, and wall thickness. With state-of-the-art manufacturing facilities and expert staff, the company is capable of fulfilling both bulk and small-scale orders, catering to various industrial needs..

As a leading Stainless Steel Socket Weld Cap domestic supplier, Riddhi Siddhi Impex distributes its products across all major industrial and commercial cities in India. They have a strong presence in cities like Mumbai, Delhi, Bengaluru (Bangalore), Hyderabad, Chennai, Kolkata, Pune, Ahmedabad, and Surat, ensuring quick logistics and stock availability. Their pan-India distribution network allows industries in these regions to access high-quality fittings without long lead times..

Stainless Steel Socket Weld Cap – Specifications & Details

Product Specification

Product Name	Stainless Steel Socket Weld Cap
Manufacturer	Riddhi Siddhi Impex
Material Grades	SS 304, SS 316, SS 304L, SS 316L, Duplex 2205, Super Duplex 2507
Size Range	1/8” to 4”
Pressure Rating	3000 lbs, 6000 lbs, 9000 lbs
Connection Type	Socket Weld
Standards	ASME B16.11, MSS SP-83

Chemical Composition (Typical for 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% offset)	205 MPa (min)
Elongation	40% (min)
Hardness	HRB 95 max

Dimension Chart (ASME B16.11 – Sample Sizes)

Nominal Pipe Size (in)	Outside Diameter (mm)	Length (mm)
1/2"	21.3	25
3/4"	26.7	28
1"	33.4	30
2"	60.3	38

Equivalent Grades

Material	UNS	EN	JIS
SS 304	S30400	1.4301	SUS 304
SS 316	S31600	1.4401	SUS 316
SS 304L	S30403	1.4306	SUS 304L
SS 316L	S31603	1.4404	SUS 316L

Equivalent Standards

Standard	Description
ASME B16.11	Forged Fittings - Socket Weld and Threaded
MSS SP-83	Class 3000 Steel Pipe Unions
ASTM A182	Forged or Rolled Alloy & Stainless Steel Pipe Fittings
BS 3799	Steel pipe fittings for the petroleum industry

Other Types of Socket Weld Fittings

Fitting Type	Description
Socket Weld Elbow	Used to change direction in piping
Socket Weld Tee	Used for branching of pipeline
Socket Weld Coupling	Connects two pipes together
Socket Weld Union	Enables easy disassembly of piping sections

Riddhi Siddhi Impex has a reliable supply chain in southern India, covering cities like Mysuru, Coimbatore, Madurai, Kochi, Thiruvananthapuram, Mangalore, and Visakhapatnam, where the demand for stainless steel fittings is growing. In western India, they serve industrial hubs such as Kolhapur, Nashik, Chandrapur, Akola, Vilayat, Dahej, Ankleshwar, Navsari, Valsad, Rajpipla, Narmada, and Somnath, which are known for their manufacturing and chemical industries..

Frequently Asked Questions (FAQs)

Q1: What is a Socket Weld Cap used for?

A1: A socket weld cap is used to close the end of a pipe securely in high-pressure applications, preventing leakage.

Q2: What sizes and pressure ratings are available?

A2: We offer sizes from 1/8” to 4” with pressure ratings of 3000#, 6000#, and 9000# depending on the application.

Q3: Can you supply Socket Weld Caps in Duplex and Super Duplex materials?

A3: Yes, we supply socket weld caps in SS 304, 316, 316L, Duplex 2205, and Super Duplex 2507 as per client requirements.

Q4: Do you provide third-party inspection and test certificates?

A4: Absolutely. All our products come with Material Test Certificates (MTC) and optional third-party inspection reports.