Manufacturer, Supplier & Exporter of Stainless Steel Threaded Cap

A Stainless Steel Threaded Cap is a crucial fitting used in piping systems to seal the end of a pipe, preventing fluid or gas from escaping. It is threaded internally, which allows it to be screwed onto the external threads of a pipe or fitting. These caps are highly effective in applications where disassembly or maintenance may be required later. Threaded caps are preferred in low to medium pressure systems and where welding is not feasible. Their durability, corrosion resistance, and ease of installation make them a standard choice in many industries...

Riddhi Siddhi Impex, headquartered in Mumbai, is a leading manufacturer and supplier of stainless steel pipe fittings, including threaded caps. With decades of industry experience, the company delivers precision-engineered products that conform to international standards like ASME B16.11, ASTM A182, and DIN. Known for quality, reliability, and prompt service, Riddhi Siddhi Impex is a trusted name among engineers, contractors, and procurement teams across India..

Stainless Steel Threaded Caps manufactured by Riddhi Siddhi Impex are available in a wide range of material grades, including SS 304, SS 316, SS 304L, SS 316L, Duplex 2205, and Super Duplex 2507. These grades offer varying levels of corrosion resistance, strength, and heat resistance, making them suitable for diverse industries such as oil & gas, petrochemicals, pharmaceuticals, food processing, and water treatment. Thread types include NPT, BSP, and BSPT, based on customer specifications...

Threaded caps are used across industries for both temporary and permanent sealing of pipe ends. Their non-welded design ensures easy removal when needed, making them ideal for installations that require periodic inspection or future expansion. Industries such as chemical processing, power generation, marine, dairy, and water pipelines widely use stainless steel threaded caps due to their strength and resistance to harsh environments...

In addition to the metros, the company efficiently supplies its products to tier-2 and emerging cities like Vadodara, Rajkot, Nagpur, Indore, Bhopal, Jaipur, Kanpur, Lucknow, Agra, Varanasi, Amritsar, and Chandigarh. These regions are witnessing rapid infrastructure growth and industrialization, increasing the demand for reliable piping components. Riddhi Siddhi Impex maintains supply chains and warehousing partnerships to serve these cities promptly...

Stainless Steel Threaded Cap

Specification

Grade	Stainless Steel 201
Standard	ASTM A240 / ASME SA240
Thickness	0.02 mm to 3.00 mm
Width	Up to 600 mm
Length	Custom lengths / Coils / Sheets
Finish	2B, BA, No.4, Mirror, Custom
Form	Coil, Sheet, Strip, Shim

Chemical Composition

Element	Content (%)
Chromium (Cr)	16.0 – 18.0
Nickel (Ni)	3.5 – 5.5
Manganese (Mn)	5.5 – 7.5
Carbon (C)	≤ 0.15
Silicon (Si)	≤ 1.00
Phosphorus (P)	≤ 0.060
Sulfur (S)	≤ 0.030
Nitrogen (N)	≤ 0.25

Mechanical Properties

Property	Value
Tensile Strength	≥ 520 MPa
Yield Strength (0.2% offset)	≥ 275 MPa
Elongation	≥ 40%
Hardness	≤ 95 HRB

Dimension Chart

Thickness (mm)	Width (mm)	Length
0.05	Up to 600	Custom / Coil
0.10	Up to 600	Custom / Coil
0.50	Up to 600	Custom / Coil
1.00	Up to 600	Sheet / Coil
2.00	Up to 600	Sheet

Equivalent Grades

Standard	Grade
ASTM	201
EN	1.4372
JIS	SUS 201
GB	12Cr17Mn6Ni5N

Equivalent Standards

Standard	Description
ASTM A240	Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip
ASME SA240	ASME Specification for Stainless Steel Sheets and Plates

Other Types of Stainless Steel Shims

Grade	Description
SS 304	Versatile austenitic stainless steel with excellent corrosion resistance
SS 316	Marine-grade stainless steel with molybdenum for improved resistance
SS 321	Titanium-stabilized for high-temperature applications
SS 430	Ferritic stainless steel with moderate corrosion resistance

Whether you're a contractor in Mumbai, an OEM in Ahmedabad, or a project engineer in Dahej or Rajkot, Riddhi Siddhi Impex stands as your reliable Stainless Steel Threaded Cap domestic supplier. Their wide distribution, custom capabilities, and commitment to product excellence have made them a go-to source for stainless steel fittings across India. As infrastructure and industrial growth continue nationwide, Riddhi Siddhi Impex remains a key partner in ensuring safe and efficient pipeline systems..

Frequently Asked Questions (FAQs)

Q1: What are the common applications of Stainless Steel Threaded Cap?

A1: It is widely used in heat exchangers, automotive trim, kitchenware, architecture, and chemical equipment.

Q2: Can you provide custom thicknesses and widths?

A2: Yes, we offer custom shims in various thicknesses, widths, and finishes based on your project needs.

Q3: Is SS 201 corrosion-resistant?

A3: Yes, SS 201 offers moderate corrosion resistance and is ideal for environments where high strength is required over high corrosion resistance.

Q4: What finishes are available for SS 201 Shim?

A4: Available finishes include 2B, BA, No.4, Mirror, and customized finishes on request.