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SPA-H Weather resisting steel

SPA-H Weather resisting steel

Grade: SPA-H
Type: Weather resisting steel plate
Standard: JIS G3125
Specification: Thickness: 2.3mm-16mm
Application:SPA-H Weather resisting steel is mainly used for containers, vehicles, buildings, towers and other structures with particularly excellent resistance to atmospheric corrosion of rolled steel

 SPA-H 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.

SPA-H Weather resisting steel Usage
Good corrosion resistance, low cost, free paint, labor-saving, environmental protection.
SPA-H Weather resisting steel

SPA-H Weather resisting steel Typical Chemical Requirements(%)

Type C Mn P S Si Cr Ni Cu V
SPA-H 0.12 0.20-0.50 0.070-0.15 0.040 0.25-0.75 0.30-1.25 0.65 0.25-0.60  

SPA-H 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
SPA-H<=6mm 69 480 50 345 22      
SPA-H>6mm 70 490 51 355 15      

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