Manufacturer, Supplier & Exporter of Type L Copper Pipe (Medium wall, for residential & commercial plumbing)

Type L Copper Pipe is widely recognized for its medium wall thickness, making it an ideal choice for residential and commercial plumbing applications. Manufactured and supplied by Riddhi Siddhi Impex, this pipe type balances durability and flexibility, offering superior performance for water distribution, heating systems, and general plumbing infrastructure. Riddhi Siddhi Impex ensures that their Type L Copper Pipes meet rigorous quality standards, making them a trusted supplier across a broad range of Indian cities, including Mumbai, Delhi, Bengaluru, Hyderabad, Chennai, Kolkata, Pune, and Ahmedabad..

Riddhi Siddhi Impex’s Type L Copper Pipes are favored by plumbers, contractors, and engineers in major metropolitan areas due to their consistent quality and ease of installation. These pipes provide excellent corrosion resistance and withstand moderate pressures, which are typical in both residential and light commercial environments. Their availability in various diameters and lengths ensures adaptability to different project requirements, allowing efficient plumbing system design and installation.

In addition to metro hubs, Riddhi Siddhi Impex supplies Type L Copper Pipes to numerous industrial and tier-2 cities such as Surat, Vadodara, Rajkot, Nagpur, Indore, Bhopal, Jaipur, Kanpur, and Lucknow. This extensive reach ensures that both urban and developing areas benefit from high-quality copper piping solutions. The medium wall thickness of Type L pipes also makes them suitable for HVAC applications, including chilled water lines and hydronic heating systems, expanding their utility beyond standard plumbing

The durability of Type L Copper Pipes supplied by Riddhi Siddhi Impex is especially beneficial in coastal and humid regions like Chennai, Kochi, Thiruvananthapuram, and Mangalore. Here, the pipes resist corrosion caused by saline air, ensuring longevity and reduced maintenance costs. Riddhi Siddhi Impex provides additional technical support and protective coatings to enhance pipe performance in such challenging environments.

Riddhi Siddhi Impex sources Type L Copper Pipes compliant with international standards such as ASTM B88 and IS 3197, which guarantees their performance and compatibility with globally recognized plumbing components and fittings. This compliance enables easy integration into existing infrastructure and ensures safety and reliability for end-users. Their products are extensively used in water supply lines, fire sprinkler systems, and HVAC installations across India.

Type L Copper Pipe (Medium Wall, for Residential & Commercial Plumbing)

Specification

Property	Details
Material	Type L Copper (Seamless)
Standard	ASTM B88 / IS 3197
Wall Thickness	Medium wall thickness (between Type K & Type M)
Length	3m, 6m standard; Custom lengths available
End Type	Plain / Threaded / Grooved
Application	Potable water lines, plumbing, HVAC, fire protection

Chemical Composition

Element	Composition (%)
Copper (Cu)	≥ 99.9%
Oxygen (O)	≤ 0.04%
Others	Trace impurities

Mechanical Properties

Property	Value
Tensile Strength	≥ 290 MPa
Yield Strength (0.5% offset)	≥ 69 MPa
Elongation	≥ 30%
Hardness (HRB)	≥ 60
Thermal Conductivity	≥ 390 W/m·K

Dimension Chart (Nominal Sizes)

Nominal Size (Inch)	Outer Diameter (mm)	Wall Thickness (mm)	Approx. Weight (kg/m)
1/2"	15.88	1.02	0.28
3/4"	22.22	1.02	0.43
1"	28.58	1.27	0.67
1 1/4"	35	1.27	0.85
1 1/2"	41.28	1.27	1.00
2"	54	1.27	1.36

Equivalent Grades

Standard	Grade
ASTM	Type L
EN	CW024A (Cu-DHP)
JIS	C1220T

Equivalent Standards

Region	Standard
USA	ASTM B88
India	IS 3197
Europe	EN 1057
Japan	JIS H3300

Other Types of Copper Pipes

Type	Wall Thickness	Common Use
Type K	Thickest	Underground & Industrial
Type L	Medium	Residential & Commercial Plumbing
Type M	Thin	Low-pressure Residential Plumbing
DWV	Thin (Non-Pressure)	Drain-Waste-Vent Applications

The company’s wide distribution network spans beyond the major metros to include cities like Agra, Varanasi, Amritsar, Chandigarh, Mysuru, Udaipur, Jodhpur, Visakhapatnam, Coimbatore, Madurai, Nashik, Kolhapur, Chandrapur, Akola, and Rajpipla. This ensures timely delivery and availability of Type L Copper Pipes across diverse geographical regions, supporting infrastructure development and plumbing projects throughout the country.

Frequently Asked Questions (FAQs)

Q1: Where is Type L Copper Pipe used?

A: Type L copper pipe is commonly used for residential water supply, commercial plumbing systems, and fire sprinkler lines due to its balanced wall thickness and durability.

Q2: Is Type L pipe suitable for underground use?

A: While not as thick as Type K, Type L can be used underground if local plumbing codes permit and proper protection is applied.

Q3: What is the difference between Type L and Type K?

A: Type K has a thicker wall and is better suited for high-pressure and underground applications. Type L is ideal for above-ground residential and commercial use.

Q4: Does Riddhi Siddhi Impex supply in smaller cities?

A: Yes, we supply Type L Copper Pipes across all major and developing Indian cities, including Mumbai, Delhi, Bengaluru, Hyderabad, Ahmedabad, Kochi, Udaipur, and more.