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ASTM A588 steel S235J2W Stop Rusting reason

ASTM A588 steel S235J2W Stop Rusting reason

Posted:2016-11-30 11:46:47

ASTM A588 steel S235J2W Stop Rusting reason

 

S235J2W steel plate and coil is a kind of resistance to atmospheric corrosion steel under the standard of ASTM A588,S mean S235J2W grade could be used in structural steel projects, 235 is the min yield strength. J0 ,J2 and K2 standard for the impact degree and energy in 0 temperature. W means that the mainly different in their carbon and phosphorus contents and availability.

 

S235J2W  Chemical Composition:

C

Si

Mn

P

S

N

Cr

Cu

0.13

0.40

0.20-0.60

0.030

0.035

...

0.40-0.80

0.25-0.55

 

S235J2W Mechanical Properties:

Grade

Min.Yield Strength MPa

Tensile Thickness(mm)

Impact Test

t≤16

16<t≤40

40<t≤100

t>100

t≤100

t>100

°C

J

S235J2W

235

225

215

195

360--510

350--500

-20

27

 

S235J2W Equivalent grades:

UNI
EU 155

France
NFA35502

Germany
WBL 087

U.K.
BS 4360

Canada
CSA G4021

USA
ASTM

Fe360 DK1

E 24W4

WSt 37-3

-

-

-

 

S235J2W Stop Rusting reason:
Since the S235J2W steel suffers the corrosion by rain, snow, ice, fog and other meteorological conditions, the surface of the metal S235J2W can form a coating of dark brown oxidation, which inhibits deeper penetration because of containing high Chromium, Copper ect. Alloy composition. So S235J2W steel saves the cost of need for painting and costly rust-prevention maintenance over the years.

 

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