Home > Products > carbon steel sheet / plate > ASTM A387 Q420qQ370q boiler and pressure vessel steel plate structural grade steel plates
ASTM A387 Q420qQ370q boiler and pressure vessel steel plate structural grade steel plates
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Product Details
| Brand Name | TISCO JISCO BAOSTEEL ZPSS LISCO | Place of Origin | Tianjin, China | |
| Model Number | Q235qQ345q,Q420qQ370q | Certification | ISO | |
| Length | 50-25000mm | Thickness | 1.2-400mm | |
| Type | Plate | Width | 50-4020mm | |
| Application | Construction | Standard | ASTM, AISI, DIN, EN, GB, JIS | |
| Grade | Other |
Product Description
ASTM A387 Q420qQ370q boiler and pressure vessel steel plate structural grade steel plates
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 |
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