Company News

2025-08-27

Advantages of API 5L ERW Pipes

API 5L ERW steel pipe is a cost-effective and durable solution for oil and gas transportation. It follows the strict standards set by the American Petroleum Institute. These pipes are widely recognized for their excellent performance, reliability, and versatility across multiple industries.

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2025-08-27

Difference Between Stainless Steel Elbows and Carbon Steel Elbows

What is the difference between stainless steel elbows and carbon steel elbows? It is very simple. The main difference between stainless steel elbows and carbon steel elbows is the material. The chemical composition contained in the stainless steel elbow will keep the surface of the elbow from rusting and corrosion for a long time.

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2025-08-26

ASTM A500 Hollow Section Standard

The ASTM A500 hollow section standard defines the specifications for cold-formed welded and seamless carbon steel structural tubing. These hollow sections are widely used in construction, infrastructure, and industrial engineering due to their strength, dimensional accuracy, and versatility. The standard provides clear guidelines for chemical composition, mechanical properties, manufacturing processes, and dimensional tolerances, ensuring safety and reliability in structural applications.

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2025-08-25

EN 10219 LSAW Structural Pipe

EN 10219 is the standard for cold-formed welded structural steel pipes developed by the European Committee for Standardization (CEN). It is widely used in construction, infrastructure, and industry. Longitudinal submerged arc welded (LSAW) steel pipes, a key product type under EN 10219, are the material of choice for long-distance oil and gas transportation, offshore engineering, and large-scale structural projects due to their excellent mechanical strength, dimensional accuracy, and pressure resistance.

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2025-08-22

What are the anti-corrosion treatment methods for ductile iron pipes?

Compared to other water supply pipes, ductile iron pipes have the largest effective inner diameter, thus offering the highest water pressure resistance in the water supply industry. In 1922, cement lining was first applied to the inner wall of ductile iron pipes, improving water quality. In 1948, the first ductile iron pipe was successfully trial-produced. Gray iron and ductile iron pipes are corrosion-resistant in underground environments, resulting in a long service life. Since 1958, polyethylene-coated and zinc-asphalt-sprayed water pipes have been successfully installed in areas with highly corrosive soils, providing excellent corrosion protection. Ductile iron pipes offer advantages such as thin walls, high strength, excellent toughness, strong corrosion resistance, and easy installation.

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2025-08-20

ASTM A213 T11 Seamless Alloy Tubes Sizes and Dimensions

ASTM A213 / A213M, also adopted by ASME as SA213, is the internationally recognized standard for seamless alloy-steel boiler, superheater, and heat-exchanger tubes. Among the many grades covered in this specification, T11 is one of the most widely used due to its excellent strength, corrosion resistance, and ability to perform under high-temperature and high-pressure conditions.

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2025-08-20

ASTM A312 Pipe Manufacturing

Pipe should be made from stainless steel billet in hot rolling or cold drawn, with no welding process during manufacturing, seamless pipe has better pressure to withstand, annealing solution and pickling finishing condition, applied for high temperature and corrosion environment.

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2025-08-19

How to Choose the Right Steel Rebar Size

Accurately determining rebar size is crucial in construction projects. It not only affects the structural safety of the building but also impacts the cost and quality of the project. The following details how to accurately determine rebar size and the relevant factors to consider.

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2025-08-18

Analysis of ASTM A706 Standard

This specification covers special-shaped bars and ordinary low-alloy steel bars (in cut-to-length or coil form) for concrete reinforcement intended for use in applications where stringent mechanical and chemical composition requirements are required, to accommodate controlled tensile properties, or to improve weldability. Notes and footnotes providing explanatory material are referenced within the text of this specification. These notes and footnotes (except those in tables and figures) should not be construed as requirements of this specification.Grade—Rebar has a single minimum yield strength grade: i.e., 60,000 psi [420 MPa], designated Grade 60 [420].

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2025-08-18

What is Rebar? Definition, Types, and Uses

Rebar is a commonly used material in construction, primarily used in reinforced concrete structures to enhance the concrete's tensile strength. It can be thought of as an internal skeleton, making the concrete structure stronger and more durable, able to withstand tensile forces and prevent cracks. Simply put, rebar acts like the "skeleton" of concrete, making the structure more stable and secure.

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2025-08-15

HDG steel pipe processing process

Hot-Dip Galvanizing (HDG) refers to hot-dip galvanizing, which involves immersing steel in high-temperature molten zinc to form a dense zinc-iron alloy layer and a pure zinc layer on the surface, significantly improving the steel's corrosion resistance, adhesion, and service life. It is widely used in building structures, bridges, guardrails, steel pipes, and transportation facilities, offering advantages such as uniform coverage, low cost, and minimal maintenance.

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2025-08-15

Ductile Iron Pipe vs PVC Pipe: Which One to Choose?

When choosing a water pipe material, there are generally two options: ductile iron pipe (DIP) and PVC pipe. Both offer unique advantages, differing in material properties, application scenarios, and cost. Ductile iron pipe is primarily used for high-pressure, high-strength water supply and drainage piping, while PVC pipe is more commonly used for drainage and water supply in low-pressure, corrosive environments, as well as for internal building water supply and drainage.