Grade ML30MnB
China ISC A71304
Corresponding Standard GB /T 28906-2012
Hot Rolled Wire Rod for Cold Heading
Classification Alloy Steel
Properties Forgability
ML30MnB Chemical Element Composition Content (%)
Component C Si Mn P S Cr * Ni * Cu * B Al **
Minimum Value 0.28 0.1 0.9 - - - - - 0.0008 0.02
Maximum Value 0.33 0.3 1.2 0.025 0.025 0.2 0.2 0.2 0.0035 -
Approximate Comparison Table Steel for Cold Heading and Cold Extrusion
China Japan European Standard
GB ISC JIS EN
ML30MnB
GB/T 6478-2015
A7104 SWRCHB 331
JIS G3508.1-2010
30MnB4
EN 10263-4-2001
ML30MnB Corresponding Standards(Same grade name, different standards)

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