Stainless Steel 904L Ferrule Fittings

Manufacturer, Supplier & Exporter of Stainless Steel 904L Ferrule Fittings

Stainless Steel 904L Ferrule Fittings are premium-grade components used in highly corrosive and demanding industrial environments. Made from alloy 904L—a low-carbon, high-alloy austenitic stainless steel—these fittings offer excellent resistance to strong reducing acids like sulfuric acid, as well as chloride-induced stress corrosion cracking. SS 904L ferrule fittings are typically used in instrumentation systems where leak-free connections are critical, especially in industries such as chemical processing, pharmaceuticals, pulp and paper, and seawater equipment. The combination of high nickel and molybdenum content makes these fittings ideal for environments where standard stainless steels like 304 and 316 may fail.

Riddhi Siddhi Impex is a reputed manufacturer and supplier of Stainless Steel 904L Ferrule Fittings in India. The company specializes in producing high-quality stainless steel components, including ferrule fittings, tube fittings, pipe fittings, and forged parts. With years of industry experience, Riddhi Siddhi ensures that each product meets international standards such as ASTM, ASME, and DIN. Their fittings are known for dimensional accuracy, pressure integrity, and long service life even in the harshest operating conditions

SS 904L Ferrule Fittings are designed with double or single ferrule mechanisms that ensure tight sealing under high pressures. These fittings are available in a variety of configurations such as unions, elbows, tees, bulkhead fittings, and connectors, with sizes ranging from 1/16" to 2” or in metric sizes up to 50 mm. The fittings are widely preferred in offshore oil and gas platforms, desalination plants, acid production units, and marine applications where corrosion from saline or acidic media is a major concern.

Riddhi Siddhi Impex has established a strong domestic supply chain, delivering Stainless Steel 904L Ferrule Fittings to major Indian cities including Mumbai, Delhi, Bengaluru (Bangalore), Hyderabad, Chennai, Kolkata, Pune, Ahmedabad, Surat, Vadodara, and Rajkot. Their reliable logistics and warehousing support enable timely deliveries, whether the order is standard or customized. The company’s dedication to quality and service has made it a trusted domestic supplier of stainless steel 904L ferrule fittings.

Apart from Tier 1 cities, the company also serves developing industrial hubs such as Nagpur, Indore, Bhopal, Jaipur, Kanpur, Lucknow, Agra, Varanasi, Amritsar, and Chandigarh. Their expansive reach ensures that small- and mid-sized industries in these regions get access to premium-grade stainless steel fittings without long lead times or supply chain bottlenecks. Riddhi Siddhi’s efficient distribution network ensures availability of their products throughout India.

Stainless Steel 904L Ferrule Fittings Specifications

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

Chemical Composition of Stainless Steel 904L

Element	Content (%)
Carbon (C)	≤ 0.02
Chromium (Cr)	19.0 – 23.0
Nickel (Ni)	23.0 – 28.0
Molybdenum (Mo)	4.0 – 5.0
Copper (Cu)	1.0 – 2.0
Manganese (Mn)	≤ 2.0
Silicon (Si)	≤ 1.0
Phosphorus (P)	≤ 0.045
Sulfur (S)	≤ 0.035
Iron (Fe)	Balance

Mechanical Properties of Stainless Steel 904L

Property	Value
Tensile Strength	≥ 490 MPa
Yield Strength (0.2% offset)	≥ 220 MPa
Elongation	≥ 35%
Hardness (Brinell)	≤ 220 HB

Standard Dimension Chart (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	N08904
EN	1.4539
WNR	1.4539
JIS	SUS 904L

Equivalent Standards

Standard	Specification
ASTM	A182 / A276 / A479
ASME	SA182 / SA479
DIN	1.4539

Other Types of Ferrule Fittings

Type	Description
Union	Connects two straight tubes
Elbow (90°, 45°)	Changes direction of flow
Tee	Connects three tubes
Bulkhead Union	Connects tubes across a barrier or panel
Male Connector	Tube to male threaded end
Female Connector	Tube to female threaded end

The company’s product reach extends further to southern and western regions like Mysuru (Mysore), Udaipur, Jodhpur, Visakhapatnam, Coimbatore, Madurai, Kochi, Thiruvananthapuram, and Mangalore. These cities, known for their growing industrial and manufacturing bases, benefit from access to high-performance SS 904L fittings that enhance equipment life and reduce maintenance downtime. Riddhi Siddhi’s local partnerships and presence in these cities allow for better client servicing and support.

Frequently Asked Questions (FAQs)

Q1: What are the main benefits of SS 904L Ferrule Fittings?

A1: They provide exceptional corrosion resistance in acidic and chloride-rich environments, making them ideal for chemical and marine applications.

Q2: Where can I use SS 904L compression fittings?

A2: These fittings are commonly used in industries like chemical processing, pharmaceuticals, pulp & paper, and offshore oil platforms.

Q3: Does Riddhi Siddhi Impex offer delivery across India?

A3: Yes, they deliver to all major cities including Mumbai, Delhi, Bengaluru, Hyderabad, Chennai, Surat, Ahmedabad, and more.

Q4: Can I get custom size or threading options?

A4: Absolutely. Custom sizes, pressure ratings, and thread types can be manufactured on request.