Stainless Steel 321 Ferrule Fittings

Manufacturer, Supplier & Exporter of Stainless Steel 321 Ferrule Fittings

Stainless Steel 321 Ferrule Fittings are specialized components used to connect and seal tubing systems in high-temperature and corrosive environments. Made from titanium-stabilized austenitic stainless steel, SS 321 offers excellent resistance to intergranular corrosion and maintains strength at elevated temperatures. These properties make it ideal for use in industries such as chemical processing, power generation, refineries, and instrumentation, where reliable, leak-proof connections are critical. Ferrule fittings ensure a tight seal by compressing onto the tubing without welding, which makes them suitable for high-precision systems..

Riddhi Siddhi Impex is a reputed manufacturer and supplier of stainless steel products in India, offering a wide range of industrial fittings, including forged and buttweld fittings, flanges, and pipe components. While they specialize broadly in stainless steel items, they are also capable of supplying SS 321 Ferrule Fittings based on customer specifications. Known for their quality standards, they follow stringent manufacturing and testing processes to ensure durability and performance under harsh conditions.

The company sources high-grade raw materials and manufactures components with precision machining and quality checks, often in compliance with international standards like ASME, ASTM, and DIN. These fittings are typically used in piping systems where high-temperature resistance is required without compromising on corrosion protection. SS 321 Ferrule Fittings from Riddhi Siddhi are known for their dimensional accuracy, high strength, and long service life.

Riddhi Siddhi has a strong domestic distribution network and supplies SS 321 Ferrule Fittings to major Indian cities such as Mumbai, Delhi, Bengaluru, Hyderabad, Chennai, Kolkata, Pune, Ahmedabad, Surat, Vadodara, Rajkot, and Nagpur. Their logistics capabilities enable them to deliver to industrial hubs quickly and reliably, often supporting clients in sectors like petrochemicals, pharmaceuticals, and power plants.

In addition to metropolitan cities, Riddhi Siddhi also caters to clients in developing industrial cities such as Indore, Bhopal, Jaipur, Kanpur, Lucknow, Agra, Varanasi, Amritsar, Chandigarh, Mysuru, Udaipur, Jodhpur, Visakhapatnam, Coimbatore, Madurai, Kochi, Thiruvananthapuram, Mangalore, Nashik, Kolhapur, and Chandrapur. Their ability to meet both small-scale and large-volume orders makes them a preferred supplier across India.

Stainless Steel 321 Ferrule Fittings Specifications

Specification	ASTM A182 / ASME SA182, ASTM A479 / A276
Type	Double Ferrule, Compression Tube Fittings
Size	1/16” to 2” (Inch), 3mm to 50mm (Metric)
Pressure Rating	Up to 6000 PSI
Connection Type	Male/Female Threaded, Tube-to-Tube, Tube-to-Male

Chemical Composition of SS 321

Element	Content (%)
Carbon (C)	≤ 0.08
Chromium (Cr)	17.0 – 19.0
Nickel (Ni)	9.0 – 12.0
Manganese (Mn)	≤ 2.00
Silicon (Si)	≤ 0.75
Phosphorus (P)	≤ 0.045
Sulfur (S)	≤ 0.030
Titanium (Ti)	5xC min – 0.70 max

Mechanical Properties of SS 321

Property	Value
Tensile Strength	≥ 515 MPa
Yield Strength (0.2% offset)	≥ 205 MPa
Elongation	≥ 40%
Hardness (Brinell)	≤ 217 HB

Standard Dimensions (in mm)

Tube OD	Thread Size	Length (L)
6 mm	1/8” NPT	28
10 mm	1/4” NPT	35
12 mm	3/8” NPT	38
15 mm	1/2” NPT	42
22 mm	3/4” NPT	48

Equivalent Grades

Standard	Grade
UNS	S32100
EN	1.4541
JIS	SUS321
BS	321S31

Equivalent Standards

Standard	Specification
ASTM	A182, A479, A276
ASME	SA182, SA479
DIN	1.4541

Other Types of Ferrule Fittings

Type	Description
Union	Connects two tubes together
Elbow	Provides 45° or 90° directional change
Tee	Connects three tubes in T-shape
Reducer	Connects tubes of different diameters
Bulkhead Union	Used across panels or walls

Furthermore, they also serve locations in Gujarat such as Akola, Vilayat, Somnath, Dahej, Vadodara, Narmada, Ankleshwar, Navsari, Valsad, and Rajpipla, where industries heavily rely on high-quality stainless steel fittings for critical applications. This extensive reach reflects their capability as a trusted Stainless Steel 321 Ferrule Fittings Domestic Supplier.

Frequently Asked Questions (FAQs)

Q1: What are Stainless Steel 321 Ferrule Fittings used for?

A1: They are widely used in high-temperature and corrosive environments such as chemical plants, refineries, and instrumentation lines.

Q2: What sizes are available for SS 321 Ferrule Fittings?

A2: Sizes typically range from 1/16” to 2” and 3mm to 50mm in metric sizing.

Q3: Do you offer testing and certifications for these fittings?

A3: Yes, fittings can be provided with third-party inspections, material test certificates (MTC), and compliance with ASTM/ASME standards.

Q4: Can you supply SS 321 Ferrule Fittings in custom configurations?

A4: Yes, custom sizes and configurations can be manufactured based on your project requirements.