High strength ASTM A588 steel plate standard for weather resistant

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High strength ASTM A588 steel plate standard for weather resistant

High strength ASTM A588 steel plate standard for weather resistant

The ASTM A588 steel plate is suitable for many unpainted situations. Compared with A36 and A572 Gr.50 carbon steel with or without copper, ASTM A588 steel plate has better atmospheric corrosion resistance when properly exposed to the atmosphere.

ASTM A588 steel plate chemical composition

Grade

C

Mn

P

S

Si

Ni

Cr

Mo

Cu

V

Nb

A588 Gr.A

≤0.19

0.8-1.25

≤0.04

≤0.05

0.3-0.65

≤0.4

0.4-0.65

-

0.25-0.4

0.02-0.1

-

A588 Gr.B

≤0.2

0.75-1.35

≤0.04

≤0.05

0.15-0.5

≤0.5

0.4-0.7

-

0.20-0.4

0.01-0.1

-

A588 Gr.C

≤0.15

0.8-1.25

≤0.04

≤0.05

0.15-0.5

0.25-0.5

0.5-0.5

-

0.20-0.5

0.01-0.1

-

Gr.K

≤0.17

0.5-1.2

≤0.04

≤0.05

0.25-0.5

≤0.4

0.4-0.7

0.1

0.3-0.5

-

0.005-0.05

ASTM A588 steel plate mechanical properties

Grade

Thickness

Yield Strength
Mpa

Tensile Strength
Mpa

Elongation
%
in 200mm

Elongation
%
in 50mm

Gr.A/Gr.B/Gr.C/Gr.K

less 100mm

≥345

≥485

18

21

100-125mm

≥315

≥460

125-200mm

≥290

≥435

ASTM A588 steel plate equivalent grades

DIN

BS

UNI

EN

WTSt 52-3

WR 50C

Fe510D2K1

S355J2G1W

 

ASTM A588 steel plate is designed primarily for unpainted applications to reduce maintenance costs, such as painting. Since its development, ASTM A588 steel plate has been widely used in bridges, railway vehicles, cranes, transmission towers, highway poles, chemical plants, factories and real medical shipbuilding and other fields.

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