High weather resistance of Structural steel

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Style       Grade     
 
Standard            Spec (mm)
 
Coil  
Spec (mm)
 
Plate
Characteristic
 
 Application Area                                       
High weather resistance of Structural steel
 
Q295GNH GB/T4171
Or Technical Agreement
1.5-19mm 6-50mm Better at Atmospheric corrosion resistance
 
Mainly used in vehicles, container, building, tower or other structures
 
Q355GNH
S355JOWP
S355J2WP
Corten-B
A588GR.A/B/C
GB/T4171
EN10025.5-2004
1.5-19mm 6-50mm
weather resistance of structural steel
 Corten structural steel tower
 
Grade
 
Chemical Component /%
C Si Mn P S Cr Cu Ni
Q295GNH ≤0.12 0.1-0.4 0.20-0.50 0.07-0.12 ≤0.020 0.3-0.65 0.25-0.45 0.25-0.5
Q355GNH ≤0.12 0.25-0.75 ≤1.0 0.07-0.15 ≤0.020 0.3-1.25 0.25-0.55 ≤0.65
S355JOWP ≤0.12 ≤0.75 ≤1.0 0.06-0.15 ≤0.03 0.3-1.25 0.25-0.55  
S355J2WP ≤0.12 ≤0.75 ≤1.0 0.06-0.15 ≤0.03 0.3-1.25 0.25-0.55  
Corten-B ≤0.16 0.3-0.5 0.80-1.25 ≤0.030 ≤0.03 0.4-0.65 0.25-0.4 ≤0.40
A588GRA ≤0.19 0.30-0.65 0.80-1.25 ≤0.04 ≤0.05 0.40-0.65 0.25-0.4 ≤0.40
A588GRB ≤0.20 0.15-0.5 0.75-1.35 ≤0.04 ≤0.05 0.40-0.65 0.25-0.4  
A588GRC ≤0.15 0.15-0.4 0.80-1.35 ≤0.04 ≤0.05 0.30-0.50 0.25-0.5  
corten structural steel
Corten structural steel 
Mechanical Property
Grade Yield Strength/MPa
 
Tensile Strength/MPa
 
Elongation/%
 
Q295GNH ≥295 360-510 ≥24
Q355GNH ≥355 490-630 ≥22
S355JOWP ≥355 490-630 ≥22
S355J2WP ≥355 490-630 ≥22
Corten-B ≥355 470-630 ≥20
A588GRA ≥345 ≥515 ≥21
A588GRB ≥345 ≥515 ≥21
A588GRC ≥345 ≥515 ≥21
Corten structural steel
Weather resistance structural steel platform

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