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20mntib

20MnTiB20CrMnTi,.GB/T 3077-1999. ,14~27mm,,,20CrMnTi., 20MnTiB Chemical composition,properties,Datasheet20MnTiB material is China structural steel and alloy steel. Chemical composition of 20MnTiB, 20MnTiB mechanical properties, 20MnTiB datasheet, 20MnTiB equivalent grade, Heat treatment and temperature process of 20MnTiB.