Manufacturer, Supplier & Exporter of Alloy Steel Threaded Union

Alloy Steel Threaded Union is a crucial component used in piping systems to connect two pipes or fittings securely by threading them together. Manufactured with precision, these unions ensure a tight seal and provide easy dismantling and maintenance without damaging the pipes. Riddhi Siddhi Impex is a renowned manufacturer and supplier of high-quality Alloy Steel Threaded Unions, delivering products that meet rigorous standards of performance and durability...

Riddhi Siddhi Impex uses premium alloy steel materials, such as ASTM A182 grades F1, F5, F9, F11, and F22, to produce their threaded unions. These materials offer excellent corrosion resistance, high tensile strength, and the ability to withstand elevated temperatures and pressures. This makes their threaded unions ideal for critical applications in industries like oil and gas, chemical processing, power plants, and heavy engineering..

The manufacturing process involves advanced forging and threading techniques, ensuring precise dimensions and consistent quality. Each Alloy Steel Threaded Union undergoes strict quality checks, including non-destructive testing and dimensional inspections, to guarantee leak-proof performance and long-lasting reliability. Riddhi Siddhi Impex’s adherence to international standards such as ASME B16.11 and ASTM A182 ensures that customers receive products that comply with global quality norms..

Riddhi Siddhi Impex has a widespread distribution network covering major metropolitan and industrial hubs across India. They supply Alloy Steel Threaded Unions to cities like Mumbai, Delhi, Bengaluru (Bangalore), Hyderabad, Chennai, and Kolkata, where demand for reliable piping components is high due to the concentration of heavy industries and infrastructure projects..

Beyond these major cities, the company caters to growing industrial markets in Pune, Ahmedabad, Surat, Vadodara, Rajkot, Nagpur, Indore, Bhopal, Jaipur, and Kanpur. These regions benefit from Riddhi Siddhi Impex’s efficient logistics and customer support, ensuring timely delivery and on-site assistance for their piping projects..

Alloy Steel Threaded Union Specifications

Specification	Details
Material	Alloy Steel (ASTM A182 Grades F1, F5, F9, F11, F22, F91)
Type	Threaded Union
Size Range	1/8" to 4" (Custom sizes available)
Thread Standard	ANSI/ASME B1.20.1 (NPT Thread)
Pressure Rating	Class 3000, 6000, 9000, 15000, 25000
Connection	Threaded Female Ends
Surface Finish	Polished, Painted, or as per customer request

Chemical Composition (%)

Grade	C	Mn	Si	Cr	Mo	Ni	V	Others
ASTM A182 F1	0.15 max	0.30-0.60	0.50 max	0.50-1.00	0.44-0.65	-	-	-
ASTM A182 F5	0.15 max	0.30-0.60	0.50 max	4.00-5.00	0.44-0.65	-	-	-
ASTM A182 F9	0.15 max	0.30-0.60	0.50 max	8.00-9.50	0.44-0.65	-	-	-

Mechanical Properties

Grade	Yield Strength (MPa)	Tensile Strength (MPa)	Elongation (%)	Hardness (HB)
ASTM A182 F1	275 min	415-585	20 min	187-229
ASTM A182 F5	415 min	585 min	20 min	217-269
ASTM A182 F9	415 min	585 min	20 min	217-269

Dimension Chart (NPT Threaded Union)

Nominal Size (inch)	Length (L) mm	Outside Diameter (D) mm	Thread Size
1/8"	35	20	1/8" NPT
1/4"	40	25	1/4" NPT
3/8"	45	30	3/8" NPT
1/2"	50	35	1/2" NPT
3/4"	60	42	3/4" NPT
1"	65	48	1" NPT
1 1/4"	75	60	1 1/4" NPT
1 1/2"	85	65	1 1/2" NPT
2"	95	70	2" NPT

Equivalent Grades and Standards

Standard	Equivalent Grade
ASTM A182	F1, F5, F9, F11, F22, F91
EN	1.7335, 1.7380, 1.7383 (Equivalent grades)
DIN	13CrMo44, 14MoV6-3 (Equivalent grades)
JIS	SUS410, SUS431 (Equivalent grades)

Other Types of Alloy Steel Unions

Type	Description
Socket Weld Union	Union with socket weld ends for permanent and strong connections.
Butt Weld Union	Union with butt weld ends for seamless joining of pipes.
Threaded Union	Union with threaded ends for easy assembly and disassembly.
Flanged Union	Union with flanged ends used for high-pressure piping systems.

Riddhi Siddhi Impex also supplies to smaller yet industrially significant cities such as Lucknow, Agra, Varanasi, Amritsar, Chandigarh, Mysuru (Mysore), Udaipur, Jodhpur, Visakhapatnam, Coimbatore, Madurai, Kochi, Thiruvananthapuram, and Mangalore. Their product availability in these areas supports diverse industries ranging from textiles and pharmaceuticals to chemicals and food processing.

Frequently Asked Questions (FAQs)

Q1: What industries commonly use Alloy Steel Threaded Unions?

A1: These unions are widely used in oil and gas, petrochemical, power generation, chemical processing, and heavy machinery industries.

Q2: Can Riddhi Siddhi Impex provide customized sizes for threaded unions?

A2: Yes, they offer customized sizes and specifications to meet specific project requirements.

Q3: Are the Alloy Steel Threaded Unions corrosion resistant?

A3: Yes, the alloy steel used provides excellent resistance against corrosion, high temperature, and pressure.

Q4: What standards do your threaded unions comply with?

A4: The unions comply with ASTM A182, ASME B16.11, and other international standards ensuring quality and reliability.