Complete List of Steel Bar Grade Symbols

Release time:

2023-05-18

The specifications of channel steel are mainly represented by dimensions such as height (h), leg width (b), waist thickness (d), etc. Domestic channel steel specifications range from 5-40, which means the corresponding height is 5-40cm. Channel steel is divided into ordinary channel steel and light channel steel. The specifications of hot-rolled ordinary channel steel are 5-40 #. The specifications of hot-rolled flexible channel steel supplied through agreement between the supply and demand parties are 6.5-30 #. Channel steel is mainly used in building structures, vehicle manufacturing, other industrial structures, and fixed cabinets, and is often used in conjunction with I-beams.

Rebar marking in the graphical method of reinforced concrete components:

Generally, the method of using outgoing lines is used, and there are two specific annotation methods:

1。 Number, diameter, and grade of labeled steel bars: 3 Ф 203: represents the number of steel bars

Ф： Denotes the diameter symbol of the steel bar grade

20: Denotes the diameter of the steel bar

2。 Label the grade, diameter, and center distance of adjacent steel bars

Ф 8 @ 200：

Ф： Denotes the diameter symbol of the steel bar grade

8: Denotes the diameter of the steel bar

@: Equal center distance symbol 200: Center distance between adjacent steel bars (≤ 2

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Complete List of Steel Bar Grade Symbols