ASTM A588 Gr A high-strength and Low-alloy steel

A588 Gr A is a steel under ASTM standard. Although ASTM A588 Gr A steel plates are structural steels, they have higher strength and lower alloy composition. which will allow the steel plates to have higher performance. The high-quality raw materials used to form these boards improve the work efficiency of the product. The minimum yield point of the A588 Gr A steel plate is 50 ksi. These A588 Gr A Steel have greater elongation properties, and have greater yield strength and tensile strength. They have greater resistance to stress corrosion and can easily eliminate cracks and pitting.

A588 low-alloy high-strength steel plate is used to manufacture workshops, general construction and various engineering machinery, such as drilling rigs, electric shovel, electric wheel dump trucks, mining trucks, excavators, loaders, bulldozers, Various types of cranes, coal mine hydraulic supports and other mechanical equipment and other structural parts. 8mm~200mm thick A588 series high weather resistance bridge structure steel plates include A588GrA, A588GrB, etc. This type of steel forms a protective layer on the surface of the metal substrate through the alloying of Cu, P, Cr, Ni, etc., thereby having high atmospheric corrosion resistance. This kind of steel is widely used in various weather-resistant building structural parts (especially used in industrial atmospheric environment), bridge auxiliary structural parts, etc.

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ASTM A588 Gr A high-strength and Low-alloy steel

ASTM A588 Gr A high-strength and Low-alloy steel Specification[email protected]

A588 corten steel plate/sheet mechanical properties:

ASTM A588 <100mm ≥100-125mm >125-200
Tensile strength min MPa 485 460 435
Yield strength min MPa 345 315 290
Elongation min 21 21 21

ASTM A588 Steel Plate Chemical Composition:

Chemical composition of A588 %
Steel Grade C Mn P S Si Cu Ni Cr V Mo Nb
A588 Grade A ≤0.19 0.80-1.25 ≤0.04 ≤0.05 0.3-0.65 0.25-0.40 ≤0.40 0.4-0.65 0.02-0.10 - -
A588 Grade B ≤0.20 0.75-1.35 ≤0.04 ≤0.05 0.15-0.50 0.20-0.40 ≤0.50 0.4-0.70 0.01-0.10 - -
A588 Grade C ≤0.15 0.8-1.35 ≤0.04 ≤0.05 0.15-0.40 0.20-0.50 0.25-0.50 0.3-0.50 0.01-0.10 - -
A588 Grade K ≤0.17 0.5-1.20 ≤0.04 ≤0.05 0.25-0.50 0.30-0.50 ≤0.40 0.4-0.70 - ≤0.10 0.005-0.50
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