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The material 30Mn is a kind of high-quality carbon structural steel under the standard GB/T 699-1988. 30Mn Chemical composition %: Grade Chemical composition %: C Si Mn S.
The material 35Mn is a kind of high-quality carbon structural steel under the standard GB/T 699-1988. 35Mn Chemical composition %: Grade Chemical composition %: C Si Mn S.
40Mn Hot rolled steel bar, 40Mn Forged steel bar 40Mn is under JIS 4051 standard 40Mn features 1.good hardness 2.good toughness 3.good plasticity 4.good strength Common size for steel bar: Common diameter for hot rolled steel bar: 8mm to 70mm Common .
45# Hot rolled steel bar, 45# Forged steel bar 45# is under JIS 4051 standard 45# features 1.good hardness 2.good toughness 3.good plasticity 4.good strength Common size for steel bar: Common diameter for hot rolled steel bar: 8mm to 70mm Common diam.
The material 45Mn is a kind of high-quality carbon structural steel. 45Mn Chemical composition %: Grade Chemical composition %: C Si Mn S P.
50Mn Steel round bar is a kind of high-quality carbon structural steel bar which under GB/T 699-1999 standard. More information about 50Mn steel round bar chemical composition and 50Mn Steel round bars details, please see the following..
50# hot rolled round bars and 50# forged round bars are belong to the high strength carbon structural steel, after quenching,50# hot rolled and forged round bars have high strength and hardness. .
55# hot rolled and forged round bars are fine carbon structural steel under the standard of GB/T 699-1999 After treating,55# hot rolled and forged round bars, with high surface hardness and strength, but low plasticity and toughness..
