ASTM Weathering Steel Plate

ASTM A588 Grade K steel plate for high strength low alloy structural

ASTM A588 Grade K steel plate for high strength low alloy structural

ASTM A588 Grade K steel plate introduction
ASTM A588 Grade K steel plate is a kind of low alloy steel conforming to ASTM A588 / A588M standard. And it is also called ASTM A588 Gr.K steel plate, astm A588 Grade K and ASTM A588 gr.k steel plate. ASTM A588 Grade K steel plate has appropriate tensile strength, good toughness, plasticity and processing performance.

ASTM A588 Grade K steel plate chemical composition

Grade

C

Mn

P

S

Si

Ni

Cr

Cu

V

Mo

A588 Grade K

≤0.17

0.5-1.2

≤0.04

≤0.05

0.25-0.5

≤0.4

0.4-0.7

0.20-0.5

0.02-0.1

0.1

ASTM A588 Grade K steel plate mechanical properties

Grade

Thickness

Yield Strength
Mpa

Tensile Strength
Mpa

Elongation
%
in 200mm

Elongation
%
in 50mm

A588 Grade K

less 100mm

≥345

≥485

18

21

100-125mm

≥315

≥460

125-200mm

≥290

≥435

ASTM A588 Grade K steel plate application
ASTM A588 Grade K steel plate is used for all kinds of welding, fastening and riveting structures such as steel frame structure, channel, reservoir and container, vehicle and tool structure. When properly exposed to the atmosphere, ASTM A588 Grade K is suitable for many applications in the bare(unpainted) condition. In general, the ASTM A588 Grade K plate is up to 8 in.[200 mm] inclusive in thickness.

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