Continuously Hot-rolled Uncoated Plate
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Specification, Chemical & Mechanical Performance
Mainly supplied in forms of coil, sheet, plate, rod, bar, tube, pipe, beam, angle, flange, wire, strip, channel, etc., with various varieties, wide range of dimensions, high purity, stable chemical composition, high dimensional accuracy and excellent surface quality, the products are mainly used in the fields of industries such as automobile engineering, railway transportation, aviation, aerospace, machinery, petrochemical, energy, environmental protection,offshore, chemical, oil & gas, military, power plant, nuclear power, pressure vessel, boiler equipment, mold manufacture,etc..
- Boiler and pressure vessel steel
- Pipeline steel
- Bridge steel
- Nuclear power steelStructural steel
- Die steel
- High strength steel
- Abrasion resistant steel
- Weathering, corrosion resistant and fire resistant steel
- High rise building steel
- Shipbuilding and offshore engineering steel
Continuously Hot-rolled Uncoated Plate
TOLERANCE OF THICKNESS Dimensions in [mm] | ||||
continuously hot-rolled low carbon steel sheet/plate for cold forming | ||||
Nominal | Tolerances for a nominal width | |||
Thickness | ≤1200 | >1200 | >1500 | >1800 |
≤1500 | ≤1800 | |||
≤2.00 | ±0.13 | ±0.14 | ±0.16 | - |
>2.00 ≤2.50 | ±0.14 | ±0.16 | ±0.17 | ±0.19 |
>2.50 ≤3.00 | ±0.15 | ±0.17 | ±0.18 | ±0.20 |
>3.00 ≤4.00 | ±0.17 | ±0.18 | ±0.20 | ±0.20 |
>4.00 ≤5.00 | ±0.19 | ±0.20 | ±0.21 | ±0.22 |
>5.00 ≤6.00 | ±0.20 | ±0.21 | ±0.22 | ±0.23 |
>6.00 ≤8.00 | ±0.22 | ±0.23 | ±0.23 | ±0.26 |
TOLERANCE OF THICKNESS | ||
Steels exhibiting a high deformation resistance at elevated temperatures | ||
Tolerances for a nominal width | ||
Class B | Class C | Class D |
Expansion 15% | Expansion 30% | Expansion 40% |
TOLERANCE OF LENGTH Dimensions in [mm] | ||
Nominal Length | Tolerances | |
Lower | Upper | |
<2000 | 0 | 10 |
≥2000 <8000 | 0 | 40 |
≥8000 | 0 | 40 |
TOLENRANCE OF WIDTH Dimensions in[mm] | ||||
Nominal Width | Mill Edges | Trimmed Edges | ||
Lower | Upper | Lower | Upper | |
≤1200 | 0 | 20 | 0 | 3 |
>1200 ≤1500 | 0 | 20 | 0 | 5 |
>1500 | 0 | 25 | 0 | 6 |
Tolerances for trimmed edges apply to products with nominal thicknesses ≤ 10 mm, for nominal thickness > 10 mm the upper tolerances shall be agreed at the time of enquiry and order. |
TOLERANCE OF STRAIGHTNESS Class A Dimensions in[mm] | |||
Nominal Thickness | Nominal Width | Tolerances on flatness | |
Normal | Special | ||
≤2.00 | ≤1200 | 18 | 9 |
>1200 ≤1500 | 20 | 10 | |
>1500 | 25 | 13 | |
>2.00 ≤25 | ≤1200 | 15 | 8 |
>1200 ≤1500 | 18 | 9 | |
>1500 | 23 | 12 |
TOLERANCE OF STRAIGHTNESS Class B,C,D Dimensions in [mm] | ||||
Nominal Thickness | Nominal Width | Tolerances on flatness for classes | ||
Class B | Class C | Class D | ||
≤25 | ≤1200 | 18 | 23 | Shall be agreed at the time of enquiry and order |
>1200 ≤1500 | 23 | 30 | ||
>1500 | 28 | 38 |
TOLERANCE OF THICKNESS Dimensions in [mm] | ||||
Sheet/plate made OF steels with a normal deformation | ||||
resistance AT elevated temperatures [ Class A | ||||
Nominal | Tolerances for a nominal width | |||
Thickness | ≤1200 | >1200 | >1500 | >1800 |
≤1500 | ≤1800 | |||
≤2.00 | ±0.17 | ±0.19 | ±0.21 | - |
>2.00 ≤2.50 | ±0.18 | ±0.21 | ±0.23 | ±0.25 |
>2.50 ≤3.00 | ±0.20 | ±0.22 | ±0.24 | ±0.26 |
>3.00 ≤4.00 | ±0.22 | ±0.24 | ±0.26 | ±0.27 |
>4.00 ≤5.00 | ±0.24 | ±0.26 | ±0.28 | ±0.29 |
>5.00 ≤6.00 | ±0.26 | ±0.28 | ±0.29 | ±0.31 |
>6.00 ≤8.00 | ±0.29 | ±0.30 | ±0.31 | ±0.35 |
>8.00 ≤10.00 | ±0.32 | ±0.33 | ±0.34 | ±0.40 |
>10.00 ≤12.50 | ±0.35 | ±0.36 | ±0.37 | ±0.43 |
>12.50 ≤15.00 | ±0.37 | ±0.38 | ±0.40 | ±0.46 |
>15.00 ≤25.00 | ±0.40 | ±0.42 | ±0.45 | ±0.50 |