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S355K2W Weather resisting steel

S355K2W Weather resisting steel

Grade: S355K2W
Type: Weather resisting steel plate
Standard: EN10025-5
Specification: Thickness:<=200mm
Application:S355K2W Weather resisting steel is mainly used in the manufacture of container structures, railway vehicles, oil derrick, harbor construction, oil platforms and chemical petroleum equipment container containing hydrogen sulfide and other corrosive media.

S355K2W Weather resisting steel Introduction

After the steel added phosphorus, copper, chromium, nickel and other trace elements, so that the steel surface density and adhesion strong protective film, rust inside impede proliferation and development, protection rust layer to the underlying substrate, in order to reduce the corrosion rate.

S355K2W Weather resisting steel Usage

Good corrosion resistance, low cost, free paint, labor-saving, environmental protection.

S355K2W Weather resisting steel

S355K2W Weather resisting steel Typical Chemical Requirements(%)

Type C Mn P S Si Cr N Cu V
S355K2W 0.19 0.45-1.60 0.035 0.035 0.55 0.35-0.85   0.20-0.60  
S355K2W Weather resisting steel Steel Mechanical Test Requirements(%)
Type Tensile Strength, min Yield Strength, min Elongation in 2 in.or 50mm, min, % Hardness, max
ksi MPa ksi Mpa HB HRB HV
S355K2W 74-100 510-680 34 355 22      

Stainless Steel Surface Finishes :


1.No 1 Finish : Used where Heat and corrsoion ressistance is required . Produced by annealing and resealing after hot rolling .

2.No 2D Finish : Dull Cold rolled finish . Used in deep drawn objects which are often polished after fabrication

3.NO 2 B Finish : Bright Cold Rolled Finish . Used in very deep drawn objects .

4.No 3 Finish : Polished finish obtained with abrasives

5.No 4 Finish : Used for kitchen ware , cooking utensils , restaurants and hotel kitchenware , cookware . Obtained with abrasives of 125 mesh and higher

6.NO 7 Finish : Architectural and Ornamental Finish

7.NO 8 Finish : Press plates , small mirrors and reflectors

8.Hairline finish : Ornamental plates , decorative items , name plates , elevators , doors in buildings

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