High Strength BS700MCK2 Structural Steel Plate EN10149 S700MC 6*1500*10000mm
Hot-Rolled BS700MCK2 High Strength Structural Steel Plate 4*1500*10000mm
BS700MCK2 is one of a series of high-strength steel, China special steel limited, engineering machinery series of high-strength, ultra high strength structural steel. China special steel limited in 2000, first in China to the successful development of a new class of hot-rolled products, grades are mostly used at the beginning of BS, as the first generation of high-strength steel and BS700MC have been widely used in engineering machinery, container and other industries.
BS700MCK2 steel Chemical Composition :
|
Grade
|
C | Si | Mn | P | S | Alt | B |
| BS700MCK2 | ≤0.12 | ≤0.60 | ≤2.10 | ≤0.025 | ≤0.010 | ≥0.015 | ≤0.005 |
BS700MCK2 steel Mechanical Properties :
|
Grade |
Thickness (mm) |
Yield Strength Re(MPa) | tensile strength Rm(MPa) | Elongation A5(%) | Shock Value IE (J) |
| BS700MCK2 | 3-8 | 700-860 | 780-920 | 15-21 | 40-100 |
| (8)-12 | 685-820 | 790-900 | 15-21 | 60-150 |
BS700MCK2 Delivery status: BS series adopt high-strength steel-rolled (TMCP) delivery.
Good Weldability --- carbon equivalent(Ceq) and weld crack sensitivity index(Pcm)
|
Grade
|
Performance carbon content C(%) | Performance carbon content Ceq | Welding sensitivity index performance Pcm |
| BS700MCK2 | ≤0.08 | ≤0.47 | ≤0.21 |
Ceq = C + Mn/6 (Cu + Ni)/15 + (Cr + Mo + V)/5
Pcm =C + Si/30 + (Mn + Cu + Cr)/20 + Ni/60 + Mo/15 + V/10 + 5B
The number of samples required for each batch of steel sheet and strip the test items, sampling methods, test methods shall be in accordance with Table 1
|
No.
|
Pilot projects | Number of tests,A | Sampling methods | Test method |
| 1 | Chemical analysis | Each furnace | GB/T20066 | GB/T223 or GB/T4335 |
| 2 | Stretching test | 1 | GB/T2975 | GB/T228 |
| 3 | Bending test | 1 | GB/T2975 | GB/T232 |
BS700MCK2 steels plate/sheet are featured :
1 . Good formability. All grades of BS steel can be cold formed.
2 . Excellent welding performance. The steels have low welding crack sensitivity and the properties of welding joint are good.
3 . Good toughness at low temperature.
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