FAQ

Differences of ASTM A53 B and ASTM A106 B. ASTM A53 B covers ERW, Seamless and Galvanized steel pipe. A106 B covers only seamless steel pipe for high temperature service.

API 5CT N80-1, N80Q differences for Casing pipe and Tubing on the impact strength, heat treatment and Non-Destructive test. N80Q is higher than N80-1.

The differences between LSAW pipe and SSAW pipe. LSAW pipe welding in longitudinal, SSAW pipe welding in spiral, LSAW quality is better than SSAW.

The differences between the seamless steel pipe and welded steel pipe, on performances, manufacturing processes, applications, sizes.

BS EN 10204:2004 is British Standard that related to different types of inspection documents for steel metal products. There are 4 types for EN 102024, 2.1, 2.2, 3.1 and 3.2, the later two types are the mostly used in steel pipe and plates products, so here we will mainly introduce the major differences between two […]

Heat treatment methods for carbon and alloy steel pipe includes normalizing, annealing, tempering, quenching. It will improve the material performances.

In welded steel pipe production, ERW (Electric Resistance Welded) pipe and HFW (High-Frequency Welded) pipe are two closely related but distinct concepts. ERW refers broadly to the electric resistance welding process, which may use low, medium, or high-frequency currents to generate heat and form the weld. Within this category, HFW pipe is a specific subset […]

Steel silo operates by separating bulk-material receiving from downstream consumption. Material is conveyed into the upper part of the silo and accumulates under gravity, while the cylindrical shell and bottom structure contain the stored material and carry the resulting loads. When material is required downstream, it moves toward one or more outlets at the lower […]

Steel silos are vertical storage structures made primarily from structural or galvanized steel, typically formed as cylindrical shells with a flat or conical bottom depending on the material and discharge arrangement. They are designed for the bulk storage of dry granular and powdered materials, with the steel shell carrying the loads generated by the stored […]

Steel building construction converts structural steel components into complete load-bearing structures through design, fabrication and installation. The process begins with defining project requirements and selecting a suitable structural system based on building function, load conditions, span requirements and service environment. Structural members such as columns, beams, bracing systems, secondary members and connection assemblies are then […]

Steelwork refers to fabricated structural assemblies formed by processing and assembling steel components into load-bearing structures for industrial, commercial and infrastructure projects. These assemblies are produced from structural steel members, including beams, columns, plates, channels and hollow sections, through processes such as cutting, forming, machining, welding and connection assembly according to specific project requirements. Each […]

A cone crusher should not be selected by capacity alone. In a real crushing plant, the correct model depends on feed size after primary crushing, target product size, CSS closed side setting, chamber type, rock hardness, moisture, liner wear, screen return load and the position of the crusher in the whole circuit. This is why […]