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A588 GrK Weather resisting steel

A588 GrK Weather resisting steel

Grade: Grade K
Type: Weather resisting steel plate
Standard: ASTM A588
Specification: Thickness:<=200mm
Application:A588 GrK Weather resisting steel intended primarily for use in welded bridges and buildings where savings in weight or added durability are important.

 A588 GrK Weather resisting steel Introduction: The atmospheric corrosion resistance of this steel in most environments is substantially better than that of carbon

structural steels with or without copper addition .
A588 GrK Weather resisting steel Usage:When properly exposed to the atmosphere, this steel is suitable for many applications in the bare (unpainted) condition. 
A588 GrK Weather resisting steel

A588 GrK Weather resisting steel Typical Chemical Requirements(%)

Type C Mn P S Si Cr Ni Cu V
A588 GrK 0.17 0.50-1.20 0.04 0.05 0.25-0.50 0.40-0.70 0.40 0.30-0.50 _

A588 GrA 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
A588 GrK 70 485 50 345 21      

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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