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ASTM A242 Type I Weathering resistant steel plate

ASTM A242 Type I Weathering resistant steel plate

ASTM A242 Type I steel grade is a hot rolled products of structural steels in technical delivery conditions with improved atmospheric corrosion resistance.

As the ASTM A242 Type I Weathering resistant steel plate reacts with elements in the atmosphere, the material forms a layer of rust over time which in essence protects the steel from corrosion.

ASTM A242 Type I chemical composition (%):

Grades

C max

Mn

P max

S max

Si

Ni max

Cr

Cu

V

Mo

Nb

A242 Type I

0.19

0.80-1.25

0.04

0.05

0.30-0.65

0.40

0.40-0.65

0.25-0.55

0.02-0.10

 

 

ASTM A242 Type I Mechanical Property:

ASTM A242 Type I

Plates and bars

Structural shapes

 

<100mm

≥100-125mm

>125-200

 

Tensile strength min MPa

485

460

435

485

Yield strength min MPa

345

315

290

345

Elongation min

21

21

21

21

ASTM A242 Type I steel Application:
ASTM A242 Type I Weathering resistant steel plate widely used in air preheater, economizer, railway carriage, containers production, bridge building, construction and so on.