ASTM A588 GR
                      
 
ASTM A588 GR.A Plates 
 
Introduction:- ASTM A588 GR.A Plates 
 
ASTM A588 Grade A Plates are high-strength, low-alloy (HSLA) structural steel plates 
designed to provide enhanced atmospheric corrosion resistance compared to conventional 
carbon steel. These plates form a stable protective oxide layer when exposed to outdoor 
environments, which significantly reduces corrosion rates and minimizes the need for 
painting or frequent maintenance. Because of their excellent strength-to-weight ratio and 
durability, ASTM A588 GR.A Plates are widely used in bridges, buildings, transmission 
towers, railway wagons, and heavy structural applications exposed to harsh weather 
conditions. 
Manufactured according to ASTM A588 specifications, Grade A plates offer superior 
weldability, formability, and toughness, ensuring reliable performance in demanding 
engineering and infrastructure projects. Their combination of corrosion resistance, 
mechanical strength, and long service life makes ASTM A588 GR.A Plates a cost-effective 
and dependable solution for construction, transportation, and industrial sectors worldwide. 
Product Overview:- 
ASTM A588 GR.A/B Plates, in accordance with the ASTM specification, are known not only for 
having superior strength but also for being low-alloy-based structural steel. Chhajed Steel 
Limited, a premier company, manufactures and supplies these high-quality steel plates. Chhajed 
Steel Limited, being the leading manufacturer, supplier, stockist, and exporter, makes it a point to 
associate with the best mills and ores so as to ensure that raw materials used are of the finest 
calibre to optimise the efficiency and performance of steel plates. 
 
 
These plates have a minimum yield point of 50 ksi and excellent properties in elongation, 
combined with high yield and tensile strength. They show outstanding resistance to stress 
corrosion, cracking, and pitting. High corrosion resistance in ASTM A588 GR.A/B plates results 
from their action against oxidation, reduction, toxic gases, and reactive chemicals. They also 
resist high heat and temperature, which makes them easy to weld and machine. 
Specifications:- 
 
Standard Specification 
Standard ASTM A588, A242 
Width 1000mm-4500mm 
Thickness 5mm-150mm 
Length 3000mm -18000mm 
Material A588 Gr A, A588 Gr B 
Process Hot Rolled (HR) 
 
Benefits:- 
 
These plates have been designed to be of greater toughness and hardness while exhibiting 
sufficient ductility, thereby giving them the ability to be easily customised on many dimensions and 
thickness levels. Their adaptability can be employed for working in hostile and fluctuating 
environments, down to bare conditions. The weathering bridge structural steel alloy is resilient 
under different types of weathering. Chhajed Steel Limited offers these steel plates in different 
conditions, such as hot rolled, normalised, cold rolled, tempered and quenched, thermal 
mechanical control processed, and electroslag remelting technical conditions. 
These ASTM A588 GR.A/B plates undergo a series of tests, which involve positive material 
identification, mechanical testing (tensile, elongation, and reduction tests), large-scale tests, 
firmness tests, pitting resistance tests, small tests, X-ray testing, impact testing, eddy current 
examination, prompt testing, and hydrostatic analysis. Chemical examinations and 
spectrophotometric analysis are also done to check for their properties. 
Conclusion:- 
 
These plates have been designed to be of greater toughness and hardness while exhibiting 
sufficient ductility, thereby giving them the ability to be easily customised on many dimensions and 
thickness levels. Their adaptability can be employed for working in hostile and fluctuating 
environments, down to bare conditions. The weathering bridge structural steel alloy is resilient 
under different types of weathering. Chhajed Steel Limited offers these steel plates in different 
conditions, such as hot rolled, normalised, cold rolled, tempered and quenched, thermal 
mechanical control processed, and electroslag remelting technical conditions. 
These ASTM A588 GR.A/B plates undergo a series of tests, which involve positive material 
identification, mechanical testing (tensile, elongation, and reduction tests), large-scale tests, 
firmness tests, pitting resistance tests, small tests, X-ray testing, impact testing, eddy current 
examination, prompt testing, and hydrostatic analysis. Chemical examinations and 
spectrophotometric analysis are also done to check for their properties. 
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