ASTM Weathering Steel Plate

Hot rolled ASME SA588 Grade K steel plate weather resistant structural

Hot rolled ASME SA588 Grade K steel plate weather resistant structural

ASME SA588 Grade K steel plate introduction
ASME SA588 Grade K steel plate is a kind of low alloy steel conforming to ASME SA588 / SA588M standard. And it is also called ASME SA588 Gr.K steel plate, asme A588 Grade K and ASME SA588 gr.k steel plate. ASME SA588 Grade K steel plate has appropriate tensile strength, good toughness, plasticity and processing performance.

ASME SA588 Grade K steel plate chemical composition

Grade

C

Mn

P

S

Si

Ni

Cr

Cu

V

Mo

SA588 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

ASME SA588 Grade K steel plate mechanical properties

Grade

Thickness

Yield Strength
Mpa

Tensile Strength
Mpa

Elongation
%
in 200mm

Elongation
%
in 50mm

SA588 Grade K

less 100mm

≥345

≥485

18

21

100-125mm

≥315

≥460

125-200mm

≥290

≥435

ASME SA588 Grade K steel plate application
ASME SA588 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. 

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