Carbon Steel Pipes are essential materials across energy, construction, mechanical engineering, petrochemical processing, and infrastructure industries.
However, different service environments require different grades of carbon steel, which leads to the four most commonly sourced pipe categories:

• Structural Carbon Steel Pipe

• High-Temperature Carbon Steel Pipe

• Low-Temperature Carbon Steel Pipe

• OCTG (Oil Country Tubular Goods) Casing & Tubing

Below is a detailed guide on how to choose the right pipe based on grade, performance, and working conditions.

Structural Carbon Steel Pipes (Grades: Q195, Q235, Q345, S235JR, S355JR)

Purpose: Load-bearing and structural support.
Focus: Mechanical strength, weldability, and forming ability.

Typical Applications

Industrial steel frames

Machinery base and support systems

Construction scaffolding

Guardrails, door frames, racks

Why Choose From Our Factory

We cut-to-length and support OEM project customization

Global export packaging standards (steel strip bundling + waterproof wrapping)

High-Temperature Carbon Steel Pipes (Grades: ASTM A106 Gr.B/Gr.C, GB 5310 20G, 15CrMoG, 12Cr1MoVG)

Purpose: High temperature + High pressure + Long continuous operation.
Focus: Heat resistance, creep strength, and pressure stability.

Typical Applications

Thermal power station pipelines

Petrochemical refinery heating systems

Boiler and steam distribution networks

Factory Benefits

Ultrasonic Testing (UT) and Pressure Testing before shipment

We support third-party inspection (SGS / TUV / BV)

Low-Temperature Carbon Steel Pipes (Grades: ASTM A333 Gr.1 / Gr.6, GB 09MnNiDR / 16MnDR)

Purpose: Cryogenic / low-temperature fluid transport.
Focus: Maintain impact toughness and prevent brittle fracture.

Typical Applications

Cryogenic chemical manufacturing plants

LNG storage and distribution pipelines

Cold-region industrial project pipelines

Factory Advantages

Impact toughness testing available (-20°C / -40°C / -70°C)

Export-ready cryogenic packaging and traceable heat numbers

OCTG Carbon Steel Pipes (API 5CT J55 / K55 / N80 / L80 / P110)

Purpose: Oil and gas well drilling and extraction.
Focus: Strength, sealing reliability, fatigue resistance.

Typical Regions & Projects

Onshore oil fields

Offshore platforms

Shale gas production wells

Factory Capability

API 5CT-monogram certified production

Premium thread & API round thread connections (STC / LTC / BTC)

How to Choose the Right Carbon Steel Pipe

We are a direct Chinese manufacturer, not a trading company.

What We Provide

1. Bulk production + stable supply capacity

2. Customized specifications, cut-to-length services

3. Free samples for testing

4. Factory inspection welcome

5. Professional export documentation and packing

Contact us for quotation, technical datasheets, or project matching advice.

Your inquiry will be replied to within 1–6 hours by our technical sales team.