Manufacturer, Supplier & Exporter of Low-Temperature Carbon Steel (LTCS) Ferrule Fittings

Low‑Temperature Carbon Steel (LTCS) ferrule fittings are specialized components designed to maintain toughness and ductility at sub-zero temperatures where conventional carbon steels may become brittle. These ferrule fittings are often made from carbon steels processed and graded for low-temperature service, such as ASTM A350 (LF2, LF3) or ASTM A420 (WPL6) grades. As a result, LTCS ferrule fittings are widely used in cryogenic systems, LNG, and cold service piping applications.

Riddhi Siddhi Impex is a manufacturer and domestic supplier of LTCS ferrule fittings, catering to clients that require reliable performance in cold environments. We design and produce ferrule components (unions, tees, elbows, male/female connectors, bulkhead unions, etc.) using raw materials compliant with low-temperature carbon steel standards. Our manufacturing process emphasizes strict metallurgical control, heat treatment, and testing to ensure the fittings retain impact toughness down to low ambient or service temperatures.

One of the key features of LTCS ferrule fittings is their capability to resist brittle fracture and maintain mechanical integrity at low temperatures, unlike ordinary carbon steel which might crack under thermal stress. Riddhi Siddhi Impex’s LTCS ferrule fittings are engineered to be resilient and reliable in environments such as LNG plants or cold storage piping systems. This gives confidence to designers and engineers who need components for cryogenic or sub‑ambient temperature applications.

As a domestic supplier, we ensure that LTCS ferrule fittings reach all major Indian cities. Our distribution and service network covers Mumbai, Delhi, Bengaluru, Hyderabad, Chennai, Kolkata, Pune, Ahmedabad, Surat, Vadodara, and beyond. We also serve industrial centers and remote regions such as Rajkot, Nagpur, Indore, Bhopal, Jaipur, Kanpur, Lucknow, Agra, Varanasi, Amritsar, Chandigarh, Mysuru, Udaipur, Jodhpur, Visakhapatnam, Coimbatore, Madurai, Kochi, Thiruvananthapuram, Mangalore, Nashik, Kolhapur, Chandrapur, Akola, Vilayat, Somnath, Dahej, Narmada, Ankleshwar, Navsari, Valsad, Rajpipla. This wide reach allows us to support large-scale projects spanning all corners of India.

In producing LTCS ferrule fittings, Riddhi Siddhi Impex adheres to industry standards for low-temperature service, such as ASTM A350 LF2/LF3 for forged fittings and ASTM A420 WPL6 for buttweld fittings. We integrate rigorous non-destructive testing, impact testing, dimensional control, and third-party inspections to ensure compliance. Our fittings are delivered with certificates and test reports, assuring clients of traceability and performance.

Low-Temperature Carbon Steel (LTCS) Ferrule Fittings

Specification

Material Grade	LTCS ASTM A350 LF2 / LF3
Size	1/8” OD to 2” OD
Pressure Rating	3000# to 6000#
Thread Type	NPT, BSP, BSPT, Metric
Connection	Double Ferrule Compression
Form	Union, Elbow, Tee, Reducer, Cross, Adapter, Bulkhead
Standards	ASTM A350 / ASME SA350

Chemical Composition (ASTM A350 LF2)

Element	Composition (%)
Carbon (C)	0.30 max
Manganese (Mn)	0.60 - 1.35
Phosphorus (P)	0.035 max
Sulfur (S)	0.040 max
Silicon (Si)	0.15 - 0.30
Nickel (Ni)	0.40 max

Mechanical Properties (ASTM A350 LF2)

Property	Value
Tensile Strength	485 MPa (min)
Yield Strength (0.2% offset)	250 MPa (min)
Elongation	22% (min)
Impact Energy (Charpy V-notch @ -46°C)	27 J (min)

Dimension Chart

Tube OD (inches)	Thread Size	Length (mm)
1/4"	1/4" NPT	32 – 40
3/8"	3/8" NPT	36 – 45
1/2"	1/2" NPT	40 – 50
3/4"	3/4" NPT	45 – 60
1"	1" NPT	50 – 70

Equivalent Grades

Standard	Equivalent Grade
EN	1.0566 (P355N)
DIN	20MnMoNi55
BS	620 B
JIS	SGV480

Equivalent Standards

Standard	Description
ASTM A350	Carbon and Low-Alloy Steel Forgings for Low-Temperature Service
ASME SA350	Forged or Rolled Steel Pipe Flanges, Forged Fittings, Valves
ISO 9329-1	Seamless steel tubes for pressure purposes — LT applications

Other Types of Ferrule Fittings

Type	Description
SS 304 Ferrule Fittings	General-purpose corrosion-resistant ferrules
SS 316 Ferrule Fittings	Marine-grade corrosion resistance with molybdenum
Alloy 625 Ferrule Fittings	High strength & oxidation resistance
Monel 400 Ferrule Fittings	Nickel-Copper alloy suitable for seawater service

At Riddhi Siddhi Impex, we focus on customer service and timely logistics so that even clients in remote or industrially developing areas can receive swift deliveries. We maintain a stock buffer in our warehouses in key zones (western, northern, and southern India) to reduce lead times for LTCS ferrule fittings. Our objective is to ensure availability wherever industrial pipelines are being built or maintained.

Frequently Asked Questions (FAQs)

Q1: What makes LTCS Ferrule Fittings suitable for low temperatures?

A1: These fittings are manufactured from carbon steel grades that maintain ductility and impact toughness at sub-zero temperatures, such as ASTM A350 LF2.

Q2: What industries use LTCS ferrule fittings?

A2: They are widely used in LNG, petrochemical, cryogenic systems, and offshore platforms.

Q3: Can Riddhi Siddhi Impex supply LTCS ferrule fittings across India?

A3: Yes, we supply in Mumbai, Delhi, Chennai, Bengaluru, Hyderabad, Ahmedabad, Surat, Vadodara, and other cities nationwide.

Q4: What are the available connection types?

A4: Threaded (NPT, BSP, BSPT) and compression-type connections are available as per requirement.