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A588 GrB Weather resisting steel

A588 GrB Weather resisting steel

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

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 GrB / grade B Weather resisting steel Usage:
When properly exposed to the atmosphere, this steel is suitable for many applications in the bare (unpainted) condition. 

 A588 GrB / grade B  Weather resisting steel Typical Chemical Requirements(%)

Type  C Mn P S Si Cr Ni Cu V
A588 GrB 0.20 0.75-1.35 0.04 0.05 0.15-0.50 0.40-0.70 0.50 0.20-0.40 0.01-0.10

 A588 GrB / grade B 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 GrB / grade B 67 460 46 315 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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