Thread Bar

Precision rolled thread steel bar are further rolled by a high-precision rolling mill on the basis of hot-rolled ribbed steel bars. They have fine-rolled threads on their surface and can be closely matched with anchors, connectors, etc. They are mainly used for prestressed construction of large concrete structures. Prestress is applied by tensioning, and the elastic retraction of the steel bars is used to generate pre-compressive stress on the concrete, thereby improving the crack resistance, durability and bearing capacity of the concrete structure.

Precision Rolled Thread Bar is divided into grades according to yield strength, and its code is "PSB" plus the specified minimum yield strength. P, S, and B are the first letters of Prestressing, Screw, and Bars, respectively. For example: PSB830 represents a steel bar with a minimum yield strength of 830 MPa.

PSB500, PSB785, PSB830, PSB930, PSB1200, PSB1080/15mm, 20mm, 25mm, 28mm, 32mm, 36mm, 40mm, 50mm, 75mm and other specifications of precision rolled threaded steel.

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ADVANTAGES

Advantages:

High strength: high yield strength and tensile strength, stable and reliable quality. Common strength grades include PSB785, PSB830, PSB930, PSB1080, etc., which can meet the needs of different large-scale projects.
High precision: high dimensional accuracy, uniform thread specifications, regular tooth shape, ensuring the reliability and construction accuracy of connection with anchors.
Good machinability: good cold bending and welding performance, convenient for cutting, bending and connection at the construction site. Save steel bars, reduce component area and weight.
Strong adaptability of connection method: simple connection and anchoring, strong adhesion, safe and reliable tension anchoring, and convenient construction.
High corrosion resistance: generally surface anti-corrosion treatment is carried out, such as galvanizing, plastic coating, etc., which can effectively resist external environmental erosion and extend service life.

USE

Applications:

Highway bridges, railway bridges, urban interchanges, urban light rail, high-rise buildings, water conservancy and hydropower dams, port terminals, rock slope anchoring, foundation reinforcement, tunnel mine top anchoring, etc.

SPECIFICATIONS

Product Parameter:

Product Parameters
Nominal Diameter / mm	Level	Nominal cross-sectional area / mm²	Theoretical weight kg/m
Φ15	PSB830	177	1.4
Φ20	PSB500	314	2.47
Φ25	PSB500 / 830 / 930 / 1080	491	4.1
Φ32	PSB830 / 930 / 1080	804	6.65
Φ36	PSB830 / 930 / 1080	1080	8.41
Φ40	PSB830 / 930 / 1080	1257	10.34
Φ50	PSB830 / 930 / 1080	1963	16.28

PACKAGE

We support customized packaging.

TAGS: Thread Bar, Precision rolled thread steel bar, Precision Rolled Thread Bar, Prestressing, Screw, and Bars, Prestressing, Screw, Threaded steel bars for prestressed concrete, prestressed concrete Thread Bar