BS600MCK4 hot rolling carbon low-alloy high strength steel design by reducing the carbon equivalent of the steel and welding crack sensitivity index, and use of advanced smelting equipment and technology to strengthen the collection of micro-alloying technology, good weldability.

BS600MCK4 steel chemical composition :

Good Weldability --- carbon equivalent(Ceq) and weld crack sensitivity index(Pcm)

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

BS600MCK4 Delivery status: BS series adopt high-strength steel-rolled (TMCP) delivery.

BS600MCK4 steels 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.

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

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