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ASTM A671 CC65 CL12 Pipes – High-Quality Welded Carbon Steel Pipe from China Steel Pipe Factory

ASTM A671 CC65 CL12 steel pipe is currently the highest-performing and most widely used general-purpose carbon steel pipe globally. These pipes are manufactured from pressure vessel grade steel plates, offering superior mechanical strength and weldability, ensuring reliability and high quality for high-end industrial applications.

Royal Steel Group is a professional Chinese steel pipe manufacturer and supplier. We provide OEM carbon steel pipe solutions, such as hot-dip galvanized round pipes and custom ASTM A671 steel pipes, to meet the needs of international projects.

ASTM A671 STEEL PIPES (1)
ASTM A671 STEEL PIPES (2)

What Is ASTM A671 CC65 CL12 Pipe Material?

ASTM A671 is a standard specification for electric-fusion-welded steel pipes made from pressure vessel plates.
CC65 refers to the steel grade with a minimum tensile strength of 65 ksi
CL12 indicates the heat treatment condition (normalized) and testing requirements

A671 CC65 CL12 pipe material is known for:
High tensile strength and toughness
Good low-temperature impact performance
Stable chemical composition and weld integrity

These properties make it suitable for demanding service conditions.

Key Features of A671 CC65 CL12 Welded Pipes

High Strength & Pressure Resistance
Designed for pipelines operating under high pressure and low temperature.

Excellent Weld Quality
Electric-fusion-welded structure ensures uniform weld seam and reliable performance.

Hot Galvanized Option Available
Can be supplied as Hot Galvanized Round Pipe for enhanced corrosion resistance.

OEM Customization
Available as OEM carbon steel pipe, with customized diameter, wall thickness, length, and surface treatment.

Manufacturing Capability – Royal Pipe by Royal Steel Group

Royal Pipe, a product line of Royal Steel Group, is produced in a modern China steel pipe factory with strict quality control.

Our ASTM A671 CC65 CL12 pipes are manufactured with:

Advanced welding and NDT inspection
Hydrostatic testing and mechanical property verification
Compliance with ASTM standards and customer specifications

From raw material selection to final delivery, every step is traceable and quality-focused.

Typical Applications of ASTM A671 CC65 CL12 Pipes

Oil & gas transmission pipelines

Low-temperature pressure piping systems

Power plants and boiler pipelines

Industrial and chemical processing facilities

These ASTM A671 CC65 CL12 welded pipes are widely used in international infrastructure and energy projects.

Why Choose Royal Steel Group?

Trusted China steel pipe factory with export experience

Stable supply of ASTM A671 CC65 CL12 Pipes

OEM service for global distributors and EPC contractors

Competitive pricing and reliable delivery

Whether you need standard pipes or customized solutions, Royal Steel Group delivers dependable quality for global markets.

ROYAL GROUP

Address

Kangsheng development industry zone,
Wuqing district, Tianjin city, China.

E-mail

sales01@royalsteelgroup.com

Phone

Sales Manager: +8613652091506
Factory Contact:+86 199 0219 7728(Factory Contact)

Hours

Monday-Sunday: 24-hour Service

Post time: Feb-06-2026