Suuply ASTM A588 GrA/GrB/GrC weathering resistant plate

1. Introduction

ASTM A588 GrA/GrB/GrC is a kind of structural steel with high chromium and nickel content which has been designed to provide weather-proof properties and corrosion resistance without the need for coatings. The ASTM A588 grade A, B and C steel plates are designed primarily to be used in unpainted applications where a reduction in maintenance costs included such as painting, thus the material is designed to have a high resistance to atmospheric corrosion. The ASTM A588 GrA/GrB/GrC steel plates are used in a variety of applications such as buildings, bridges, ships, automobiles, transformers and industrial equipment and structures.

2. Chemical Composition

This grade includes A588 GrA, A588 GrB and A588 GrC.The chemical composition for A588 Grade A, B and C Steel Plate is as below:

Grade A:

C: 0.19
Mn: 0.8-1.25
P: 0.045
S: 0.05
Si: 0.2-0.4
Cr: 0.4-0.65
Ni: 0.45-0.75
V: 0.05
Cu: 0.2-0.3

Grade B:
C: 0.22
Mn: 0.85-1.25
P: 0.04
S: 0.05
Si: 0.15-0.50
Cr: 0.40-0.7
Ni: 0.4-0.70
V: 0.0-0.10
Cu: 0.20-0.50

Grade C:
C: 0.15
Mn: 0.80-1.35
P: 0.03
S: 0.04
Si: 0.15-0.5
Cr: 0.4-0.7
Ni: 0.5-0.75
V: 0.05
Cu: 0.20-0.50

3. Mechanical Property and Dimensions

The ASTM A588 GrA/GrB/GrC steels have a wide range of mechanical properties, from conventional grades to the very highest mechanical property levels. All Steel plate is a structural steel plate with a yield strength of 36000psi. The following list shows the minimum mechanical properties of the steels as required by ASTM A588.
Grade A:

Yield Strength (Mpa): 24.0
Tensile Strength (Mpa): 58-80
Elongation (%): 16-18

Grade B:
Yield Strength (Mpa): 27.0
Tensile Strength (Mpa): 70-90
Elongation (%): 16-18

Grade C:
Yield Strength (Mpa): 26.0
Tensile Strength (Mpa): 60-80
Elongation (%): 19-21

The dimensions and thickness for ASTM A588 steel plates are as follows:

Thickness (inches): 0.125-16
Width (inches): 48-120
Length (inches): up to 480

4. Applications of ASTM A588 GrA/GrB/GrC Weathering Resistant Plate

The ASTM A588 GrA/GrB/GrC steels are widely used in a variety of applications such as buildings, bridges, ships, automobiles, transformers and industrial equipment and structures. It is suitable for applications such as containers, truck beds, signs, structures and transmission towers. It offers full protection against atmospheric elements such as corrosion, dust, water and rust. The plate is designed to be used in environments where it can be exposed to the elements without any kind of coating.

5. Conclusion

ASTM A588 GrA/GrB/GrC weathering resistant plate is a kind of high chromium and nickel structural steel with excellent corrosion resistance and weather resistance properties. It has a wide range of mechanical properties that provides protection in various applications. The plates are available in various thicknesses and dimensions to meet the design requirements of different projects.