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Four processes of steel bar processing

The processing of steel bars generally involves four processes: rust removal of steel bars; Straightening of steel bars; Steel bar cutting; Forming of steel bars.
When the steel bar joint is connected with straight or conical threads, it is also necessary to add the steel bar end upsetting and thread processing procedures. Rebar batching and replacement Rebar replacement
(1) When replacing the steel bars specified in the design documents with steel bars of another steel grade or diameter, the following regulations should be followed:
The principle of equal design values for the bearing capacity of steel bars should be followed, and the replacement of steel bars should meet the specified structural requirements such as steel bar spacing, anchoring length, and minimum steel bar diameter.
When replacing lower grade steel bars with higher grade steel bars, it is advisable to use the method of changing the diameter of the steel bars instead of changing the number of steel bars to reduce the cross-sectional area of the steel bars.
(2) When using a certain diameter steel bar of the same steel grade to replace another diameter steel bar, the diameter variation range should not exceed 4mm. The ratio of the total cross-sectional area of the changed steel bar to the cross-sectional area specified in the design document should not be less than 98% or more than 103%.
(3) When replacing the main reinforcement with steel bars of the same steel grade, the spacing should be kept constant, and two types of steel bars with diameters one level larger and one level smaller than the designed steel bar diameter can be used for replacement.

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Trends in the steel market

Discount SPCC Carbon Steel Plate: The Best Choice for Your Steel Needs

Steel is an essential material commonly used in various industries due to its durability, strength, and versatility. One of the most commonly used types of steel is carbon steel, which is known for its cost-effectiveness and excellent mechanical properties. Among the several types of carbon steel, Discount SPCC Carbon steel plate has gained popularity among industries because of its excellent properties and cost-effectiveness.

Characteristics of copper pipes

Lightweight, with good thermal conductivity and high low-temperature strength. Commonly used in the manufacturing of heat exchange equipment (such as condensers). It is also used for assembling low-temperature pipelines in oxygen production equipment. Copper pipes with small diameters are commonly used for conveying pressurized liquids (such as lubrication systems, oil pressure systems, etc.) and as pressure measuring pipes for instruments.

Advantages of I-beams

I-shaped beams are hollow web members. For high-strength materials, hollow web members are better than solid web members in terms of weight, material, and labor saving. This cross-sectional design mainly uses the flange farthest from the centroid to resist bending moments (because the farther the flange is, the greater the moment of inertia), and mainly uses the web to resist shear. As for the inconvenience in making it, it can be solved by factory or molding. Saving materials, labor, and time is efficiency.

How are stainless steel pipes classified?

Stainless steel pipes are divided into ordinary carbon steel pipes, high-quality carbon structural steel pipes, alloy structural pipes, alloy steel pipes, bearing steel pipes, stainless steel pipes, as well as bimetallic composite pipes, coated and coated pipes to save precious metals and meet special requirements. There are various types and uses of stainless steel pipes, with varying technical requirements and production methods. The current production of steel pipes has an outer diameter range of 0.1-450mm and a wall thickness range of 0.01-250mm. To distinguish its characteristics, steel pipes are usually classified according to the following method.

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