KUNFENG offers 3Cr2WMoVNi alloy tool steel forged steel round bar and 3Cr2WMoVNi hot rolled round bar with good quality and fast delivery at best price.
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
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