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Grade 20MnB4
Corresponding Standard Q/OHAB 113-2020
Classification Alloy Steel
20MnB4 Chemical Element Composition Content (%)
Component C Si Mn P S Cr Ni * Cu * B Al ※
Minimum Value 0.18 0.1 0.9 - - - - - 0.0008 0.02
Maximum Value 0.23 0.3 1.1 0.025 0.025 0.15 0.2 0.2 0.0035 -
20MnB4 Corresponding Standards(Same grade name, different standards)
1 EN 10263-4-2001
20MnB4 1.5525
2 EN 10269-2013
20MnB4 1.5525
3 Q/BQB 517-2018
20MnB4
4 DIN EN 10263-4-2018
20MnB4 1.5525 (19MnB4) (1.5523)
5 EN 10263-4-2017
20MnB4 1.5525
6 DIN EN 10269-2014
20MnB4 1.5525
7 ISO 4954-2018
20MnB4
8 Q/OHAB 113-2020
20MnB4
9 ISO 4954-1-2024
20MnB4

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