Manufacturer, Supplier & Exporter of Alloy Steel AISI 4140 Ferrule Fittings

Riddhi Siddhi Impex is a leading manufacturer and domestic supplier of Alloy Steel AISI 4140 Ferrule Fittings in India, known for delivering high-strength, precision-engineered tube fittings to various industries. Made from chromium-molybdenum alloy steel (AISI 4140), these ferrule fittings offer excellent fatigue strength, impact resistance, and high tensile properties, making them ideal for critical operations in hydraulic systems, oil and gas pipelines, chemical plants, and power generation facilities..

AISI 4140 is a versatile low-alloy steel that performs reliably under high pressure and temperature conditions. Its superior mechanical properties make it suitable for applications that require both toughness and wear resistance. Ferrule fittings made from this grade provide tight, leak-proof connections in piping systems, making them crucial in sectors such as aerospace, automotive, mining, petrochemicals, and process industries.

As a trusted domestic supplier, Riddhi Siddhi Impex delivers AISI 4140 ferrule fittings to all major Indian cities including Mumbai, Delhi, Bengaluru (Bangalore), Hyderabad, Chennai, Kolkata, Pune, Ahmedabad, and Surat. With a strong logistics and distribution network, the company ensures timely delivery and full traceability of materials, making them a preferred supplier for both government and private sector clients.

In addition to Tier 1 cities, Riddhi Siddhi Impex has an expansive presence in industrial hubs like Vadodara, Rajkot, Nagpur, Indore, Bhopal, Jaipur, Kanpur, Lucknow, and Agra, meeting the growing demand from engineering, chemical processing, and refineries. These cities rely heavily on durable ferrule fittings that can withstand challenging working environments and long-term usage without performance degradation.

The company also caters to the southern belt of India, supplying to Coimbatore, Madurai, Kochi, Thiruvananthapuram, Mangalore, Mysuru, Visakhapatnam, and Udaipur, where infrastructure, automotive, and marine sectors are flourishing. Alloy Steel AISI 4140 Ferrule Fittings are particularly useful here due to their corrosion resistance and excellent pressure-handling capacity.

Alloy Steel AISI 4140 Ferrule Fittings

Specification

Material Grade	AISI 4140 Alloy Steel
Type	Ferrule Fittings
Standards	ASTM A519, ASME, DIN EN
Thread Types	NPT, BSP, BSPT, Metric
Applications	Oil & Gas, Petrochemical, Hydraulic, Automotive, Power Generation
Surface Finish	Polished, Black Oxide, Zinc Plated, Customized
Sizes	1/8" to 2" (Custom sizes available)

Chemical Composition (%)

Element	Content (%)
Carbon (C)	0.38 - 0.43
Manganese (Mn)	0.75 - 1.00
Phosphorus (P)	≤ 0.035
Sulfur (S)	≤ 0.040
Chromium (Cr)	0.80 - 1.10
Molybdenum (Mo)	0.15 - 0.25
Nickel (Ni)	0.15 - 0.40
Silicon (Si)	0.15 - 0.35

Mechanical Properties

Property	Value
Tensile Strength	95,000 psi (655 MPa) min
Yield Strength (0.2% offset)	60,000 psi (415 MPa) min
Elongation in 2 inches	20% min
Hardness	179 - 229 HB

Dimension Chart (Typical Size Range)

Size (inch)	Outer Diameter (mm)	Length (mm)
1/8"	10.2	30
1/4"	13.7	32
3/8"	17.3	35
1/2"	21.3	38
3/4"	26.7	44
1"	33.4	50
1.5"	48.3	60
2"	60.3	65

Equivalent Grades

Standard	Equivalent Grade
ASTM	AISI 4140
EN	42CrMo4
JIS	SCM440
GB	20CrMo

Equivalent Standards

Standard	Description
ASTM A519	Seamless carbon and alloy steel mechanical tubing
ASME B16.11	Forged steel fittings, socket-welding, and threaded
DIN EN 10216-2	Seamless steel tubes for pressure purposes

Other Types of Alloy Steel Ferrule Fittings

Grade	Description
AISI 4130	Chromium-molybdenum alloy steel with excellent strength and toughness
AISI 4340	Nickel-chromium-molybdenum alloy steel with high toughness and fatigue strength
AISI 8620	Case-hardening steel with good wear resistance and toughness
AISI 4145	Alloy steel with high tensile strength and wear resistance

Riddhi Siddhi Impex manufactures a wide range of ferrule fittings including straight connectors, elbows, tees, bulkhead fittings, unions, male/female connectors, and more—all conforming to global quality standards such as ASTM A519 and DIN EN norms. These fittings are available in a variety of thread types such as NPT, BSP, BSPT, and metric, allowing seamless integration into existing systems.

Frequently Asked Questions (FAQs)

Q1: What industries commonly use Alloy Steel AISI 4140 Ferrule Fittings?

A1: These fittings are widely used in oil and gas, petrochemical, power generation, automotive, and hydraulic systems due to their high strength and corrosion resistance.

Q2: Does Riddhi Siddhi Impex supply Alloy Steel AISI 4140 Ferrule Fittings across India?

A2: Yes, Riddhi Siddhi Impex supplies these ferrule fittings to all major Indian cities including Mumbai, Delhi, Bengaluru, Hyderabad, Chennai, Kolkata, Pune, Surat, Vadodara, and more.

Q3: Are custom sizes and thread types available?

A3: Absolutely, Riddhi Siddhi Impex offers customized ferrule fittings with various thread types like NPT, BSP, BSPT, and metric threads as per client requirements.

Q4: What quality standards do these fittings comply with?

A4: All Alloy Steel AISI 4140 ferrule fittings supplied by Riddhi Siddhi Impex meet international standards such as ASTM A519, ASME, and DIN EN ensuring top quality and performance.