1.O.D.:10-720mm
2.W.T.:1-100mm
3.ADVANTAGE:Honesty first,Quality first,Delivery Punctual.
Main material:10#,20#,Q345.
Chemical Composition and Mechanical Properties
Standard
Grade
Chemical Composition(%)
C
Si
Mn
P
S
Cr
Ni
Cu
GB/T8163-2008
10
0.07~0.14
0.17~0.37
0.35~0.65
≤0.035
≤0.035
≤0.15
≤0.25
≤0.25
20
0.17~0.24
0.17~0.37
0.35~0.65
≤0.035
≤0.035
≤0.25
≤0.25
≤0.25
Q345
0.12~0.20
0.20~0.55
1.20~1.60
≤0.045
≤0.045
/
/
/
Chemical Composition and Mechanical Properties
Tensile Strength(Mpa)
Yield Strength(Mpa)
Elongation(%)
10
335~475
≥205
≥24
20
410~550
≥245
≥20
Q345
490~665
≥325
≥21
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