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Material
BL1
Standard
YB /T 4155-2006
Hot-rolled round carbon steel bars and rods for standard parts
Standard
BS 4659-1989
Specification for Tool and die steels
Chemical Composition
(%)
Standard
Material Designation
Chemical Composition (%)
YB /T 4155-2006
Hot-rolled round carbon steel bars and rods for standard parts
BL1
Min
Max
BS 4659-1989
Specification for Tool and die steels
BL1
Min
Max
For Reference Only
