S275JR Q235qQ345q carbon steel plates structural steel for bridge
USD $400 - $780 /Ton
Min.Order:1 Ton
S275JR Q235qQ345q carbon steel plates structural steel for bridge
Product | Steel plate for bridge building |
Materials | 16q,16Mnq,16MnCuq A709M(Gr36,50,50W,70W) |
Standard | YB168 &YB(T)10 GB/T714ASTM |
Size Range | Thickness:1.2-400mm, Length :50-25000mm. |
Carried standard | GB/T714-2008 |
Application | Used for making riveting and bolted and welded structure in highway bridge and railroad bridge(included in bay bridge). |
Brand name and melting composition
Brand | grade | C | Si | Mn | P | S | Alt |
Q235q | C | ≤0.20 | ≤0.30 | 0.40~0.70 | ≤0.035 | ≤0.035 | |
Q235q | D | ≤0.18 | ≤0.30 | 0.50~0.80 | ≤0.025 | ≤0.025 | ≥0.020 |
Q345q | C | ≤0.20 | ≤0.60 | 1.00~1.60 | ≤0.035 | ≤0.035 | |
Q345q | D | ≤0.18 | ≤0.60 | 1.10~1.60 | ≤0.025 | ≤0.025 | ≥0.020 |
Q345q | E | ≤0.17 | ≤0.50 | 1.20~1.60 | ≤0.020 | ≤0.015 | ≥0.020 |
Q370q | C | ≤0.18 | ≤0.50 | 1.20~1.60 | ≤0.035 | ≤0.035 | |
Q370q | D | ≤0.17 | ≤0.50 | 1.20~1.60 | ≤0.025 | ≤0.025 | ≥0.020 |
Q370q | E | ≤0.17 | ≤0.50 | 1.20~1.60 | ≤0.020 | ≤0.015 | ≥0.020 |
Q420q | C | ≤0.18 | ≤0.50 | 1.20~1.60 | ≤0.035 | ≤0.035 | |
Q420q | D | ≤0.17 | ≤0.60 | 1.30~1.70 | ≤0.025 | ≤0.025 | ≥0.020 |
related products
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