High Tensile Strength Steel EN S355J2WP

High Tensile Strength Steel EN S355J2WP

Steel products manufactured for building, bridges, ships, vehicles, automobiles, other structural use and pressure vessel use which require weldability, notch toughness, workability, and tensile strength of 490 N/㎟ min. in general. Atmospheric corrosion resistance A property of low alloy steels...

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Steel products manufactured for building, bridges, ships, vehicles, automobiles, other structural use and pressure vessel use which require weldability, notch toughness, workability, and tensile strength of 490 N/㎟ min. in general.

Atmospheric corrosion resistance
A property of low alloy steels or the like for corrosion resistance in the atmospheric of natural environment.

Including the resistance for deterioration of resin for coated steel plate and polyvinyl chloride-coated steel plate.

EN S355J2WP Chemical Composition

Grade

C

Si

Mn

P

V

Cu

Cr

S355J2WP

Max0.12

0.75

1.0

0.06-0.15

0.03

-

0.25-0.55

0.3-1.25


EN S355J2WP Mechanical Properties

Grade

Yield strength

Tensile strength

Elongation

S355J2WP

Min345-355MPa

Min 470-680

16-17

Weathering means that due to its chemical composition the COR-TEN steel, when utilized unprotected, exhibits increased resistance to atmospheric corrosion compared to unalloyed steels. 

This is because it forms a protective layer on its surface under the influence of the weather. The layer protecting the surface develops and regenerates continuously when subjected to the influence of the weather. 

In general the covering layer offers protection against atmospheric corrosion in industrial, urban and country-side climate. In cases of particular air pollution by aggressive agents conventional surface protection is recommended. Coating is absolutely necessary in cases of contact with water for long periods, when permanently exposed to moisture, or if it is to be used in the vicinity of the sea. 

The susceptibility of paint coats to undercreepage by rust is less in the case of weathering steel than in the case of comparable non-weathering steel.

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