Weathering Steel Plate and Coil for Welding structure

Weathering Steel Plate and Coil for Welding structure

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Style       Grade     
 
Standard            Spec (mm)
Coil  
Spec (mm)
 
Plate
Characteristic
 
 Application Area                                       
Welded weathering steel
 
Q235NH
S235J0W
S235J2W
S235WB/WD
GB/T4171
 
EN10025.5-2004
ISO4950-2006
1.5-19mm 6-50mm Very good Welding performance By improving the performance of corrosion resistance and extending the service life of structural parts significantly,the products apply to manufacture all kinds of structural parts which work in the atmospheric environment and corrosive gases & liquids.
Q295NH GB/T4171
Or Technical Agreement
1.5-19mm 6-50mm
Q355NH
S355JOW
S355J2W
S355K2W
S355W2C/W2D
A588M GR.K
GB/T4171
 
EN10025.5-2004
 
ISO4950-2006
ASTM A588M
1.5-19mm 6-50mm
Q415NH
A871M G60
S415WA/WD
GB/T4171
ASTM A871M
ISO4950-2006
 
1.5-19mm 6-50mm
Q460NH
A871M G60
S460WA/WD
GB/T4171
ASTM A871M
ISO4950-2006
1.5-19mm 6-50mm
Q500NH GB/T4171 1.5-19mm 6-50mm
Q550NH GB/T4171 1.5-19mm 6-50mm

Grade
 
Chemical Component/%
C Si Mn P S Cr Cu Ni
Q235NH ≤0.13 0.1-0.5 0.2-0.6 ≤0.030 ≤0.030 0.4-0.8 0.25-0.55 ≤0.65
S235J0W ≤0.13 ≤0.40 0.2-0.6 ≤0.035 ≤0.03 0.40-0.80 0.25-0.55  
S235J2W ≤0.13 ≤0.40 0.20-0.6 ≤0.035 ≤0.035   0.25-0.55  
Q295NH ≤0.15 0.1-0.5 0.3-1.0 ≤0.030 ≤0.030 0.4-0.8 0.25-0.55 ≤0.65
Q355NH ≤0.16 ≤0.50 0.5-1.5 ≤0.030 ≤0.030 0.4-0.8 0.25-0.55 ≤0.65
S355JOW ≤0.13 ≤0.40 0.2-0.6 ≤0.035 ≤0.03 0.40-0.80 0.25-0.55  
S355J2W ≤0.13 ≤0.40 0.2-0.6 ≤0.035 ≤0.03 0.40-0.80 0.25-0.55  
S355K2W ≤0.16 ≤0.50 0.5-1.5 ≤0.03 ≤0.03 0.30-1.25 0.25-0.55  
A588 GR.K ≤0.17 0.25-0.5 0.50-1.20 ≤0.04 ≤0.05 0.30-0.5 0.30-0.5  
Q415NH ≤0.12 ≤0.65 ≤1.1 ≤0.025 ≤0.030 0.3-1.25 0.25-0.55 0.12-0.65
A871M ≤0.19 0.30-0.65 0.80-1.35 ≤0.04 ≤0.05 0.40-0.70 0.25-0.40 0.4
Q460NH ≤0.12 ≤0.65 ≤1.5 ≤0.025 ≤0.030 0.3-1.25 0.25-0.55 0.12-0.65
Gr65 ≤0.17 0.25-0.50 0.50-1.20 ≤0.04 ≤0.05 0.40-0.70 0.30-0.50 0.4
Q500NH ≤0.12 ≤0.65 ≤2.0 ≤0.025 ≤0.030 0.3-1.25 0.25-0.55 0.12-0.65
Q550NH ≤0.16 ≤0.65 ≤2.0 ≤0.025 ≤0.030 0.3-1.25 0.25-0.55 0.12-0.65

Weathering steel for welding structure
 

Mechanical Property
Grade Yield Strength/MPa
 
Tensile Strength/MPa
 
Elongation/%
 
Q235NH ≥235 360-510 ≥25
S235J0W ≥235 360-510 ≥25
S235J2W ≥235 360-510 ≥25
Q295NH ≥295 430-560 ≥24
Q355NH ≥355 490-630 ≥22
S355JOW ≥355 490-630 ≥22
S355J2W ≥355 490-630 ≥22
S355K2W ≥355 490-630 ≥22
S355JOWP ≥355 490-630 ≥22
S355J2WP ≥355 490-630 ≥22
Q415NH ≥415 520-680 ≥22
A871M Gr60 ≥415 ≥520 ≥18
Q460NH ≥460 560-730 ≥20
A871M G65 ≥450 ≥550 ≥17
Q500NH ≥500 600-760 ≥18
Q550NH ≥550 620-780 ≥16


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