ASTM A588 GrB Weathering steel

A588 Grade B high-strength low-alloy structural steel with 345 MPa minimum yield point to 100mm thick which be produced comply with ASTMA 588/A 588M Standard.The specification of A588 Grade B covers high-strength low-alloy structure steel shapes, plates and bars for welded, riveted, or bolted construction but intended primarily for use in welded bridges and buildings where savings in weight or added durability are important. The atmosphere corrosion resistance of this steel in most environments is substantially better than that of carbon structural steels with or without copper addition. When properly exposed to the atmosphere, this steel is suitable for many applications in the bare (unpainted) condition. Specifications(T*W*L): 6--200mm * 1500--3700mm * 3000--18000mmis available.Charpy V-Notch Impact Test, Drop-Weight Test, Ultrasonic Examination and Maximum Tensile Strength Test are available for the buyer.

A588 grb weathering steel Chemical Composition:

ASTM

A588

C% max

Si% max

Mn% max

 

P% max

S% max

Grade B

0.20 max

0.15-0.50

0.75-1.35

0.04 max

0.05 max

A588 grb weathering steel Mechanical Property:

ASTM

A588 Grade A

Yield Point,

min,ksi [MPa]

Tensile Strength,min

ksi [MPa]

Minimum Elongation, min%

in 8 in.[200mm]

in 2 in.[50mm]

For Thickness 100mm and Under

50[345]

70[485]

18

21

For Thickness  Over 100mm to 125mm incl

46[315]

67[460]

-

21

For Thickness  Over 125mm to 200mm incl

42[290]

63[435]

-

21

1 MPa = 1 N/mm2

If you want to know more information about A588 Grade B, please feel free to contact BBN steel first.

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