With supreme extra deep drawing quality, BSUFD drawing steel is guaranteed that no tensile strain mark occurs on steel plates and strips at their application in case of room temperature storage.

With drawing purpose, BLD drawing steel is guaranteed that no tensile strain mark occurs on steel plates and strips at their application within 6 months after they are produced and in case of room temperature storage.

With extra deep drawing, BUFD drawing steel is guaranteed that no tensile strain mark occurs on steel plates and strips at their application in case of room temperature storage.