Grade ML20MnB
China ISC A71204
Corresponding Standard GB /T 28906-2012
Hot Rolled Wire Rod for Cold Heading
Classification Alloy Steel
Properties Forgability
ML20MnB Chemical Element Composition Content (%)
Component C Si Mn P S Cr * Ni * Cu * B Al **
Minimum Value 0.18 0.1 0.8 - - - - - 0.0008 0.02
Maximum Value 0.23 0.3 1.1 0.025 0.025 0.2 0.2 0.2 0.0035 -
Approximate Comparison Table Steel for Cold Heading and Cold Extrusion
China Japan United States International Organization for Standardization European Standard
GB ISC JIS ASTM/AISI ISO EN
ML20MnB
GB/T 6478-2015
GB/T 6478-2001
A71204 SWRCHB 320
JIS G3508.1-2010
10B22
ASTM A29/A29M-12
ASTM A510/A510M-13
CE20BG2
ISO 4954-1993
20MnB4
EN 10263-4-2001
ML20MnB Corresponding Standards(Same grade name, different standards)

Note: The data is for reference only! If you have any questions, please fill out "I want to correct it"!