ASME SA588 Grade B Weathering Steel

ASME SA588 Grade B Introduction:
ASME SA588 Grade B is high-resistance self-passivating alloy containing copper, chrome and phosphorus, characterised by a high resistance to corrosion and to tensile yield; these alloys are self-protective through the formation of a superficial coating that prevents the progressive extending of the corrosion process.

ASME SA588 Grade B Chemical Composition:

Grade

C% 

Si%

Mn%

P%

S%

Cu%

V% 

Cr%

Ni%

SA588Grade B

0.20

0.15-0.50

0.75-1.35

0.040

0.050

0.20-0.40

0.01-0.10

0.4-0.70

0.50


ASME SA588 Grade B Mechanical Properties:

Grade

Yield Strength

Tensile Strength

Elongation %

SA588Grade B

≥345 MPa

≥485 MPa

21

ASME SA588 Grade B Application:
ASME SA588Gr.B is mainly used for constructions such as steel structures, bridges, tanks and containers, exhaust systems, vehicles and equipment constructions.

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