A588GrA, A588GrB, A588GrC implementation standard

A588 is an American standard weathering steel grade, A, B, C indicate the grade of the steel plate. It is used in general construction and manufacturing plants, and various construction machinery. 8mm~200mm thick A588 series high weathering bridge structural steel plates include A588GrA, A588GrB, etc.

A588 Mechanics Features:

Tensile strength MPa: ≥ 485; Yield strength MPa: ≥ 348; Elongation after fracture %: ≥ 21

A588 Delivery Status:

Delivered in hot-rolled state or normalized, tempered, normalized + tempered, quenched and tempered and other heat treatment states.

Chemical composition of A588:

Carbon content C: ≤0.19%, silicon content Si: 0.30%-0.65%, manganese content Mn: 0.8%-1.25%, phosphorus content P: ≤0.03%, sulfur content S: ≤0.03%, vanadium content V: 0.02% -0.1%, chromium content Cr: 0.4%-0.65%, nickel content Ni: ≤ 0.4%, copper content Cu: 0.25%-0.4%.

A588 use:

A588GrB, A588GrA, A588GrC are commonly used in construction and various construction machinery, such as drilling rigs, electric shovels, electric wheel dump trucks, mining vehicles, excavators, loaders, bulldozers, various cranes, coal mines Hydraulic supports and other mechanical equipment and other structural parts, or used for construction in harsh climates, or for waiting hall construction, steel structure welding.

A588 ultrasonic flaw detection:

A588 is the American standard. The ultrasonic testing standard may be in accordance with the American standard A578 testing standard, and the surface is not allowed to have cracks, bubbles, etc.