Tiempo de entrega
7-15days
Tubo especial
Tubo de pared grueso
Servicio de procesamiento de
De soldadura
breed classify
semi-killed steel OR killed steel
yield strength
Q235B/235-280MPa Q345B/335-360MPa
strength of extension
Q235B/420MPa Q345B/485MPa
elongation
Q235B/26min Q345B/26min
carbon content
Q235B/C(0.12-0.20)% Q345B/C(0.12-0.20)%
manganese content
Q235B/Mn(0.45)% Q345B/Mn(1.35)%
silicon content
Q235B/Si(≥0.19)% Q345B/Si(≥0.002)%
phosphorus content
Q235B/P(0.03)% Q345B/P(0.012)%
sulphur content
Q235B/S(0.02)% Q345B/S(0.013)%
manufacturing technique
Secondary processed products