Grade 34CD4
Corresponding Standard NF A 35-556-1984
Steel for Threaded Fasteners for Structural and Engineering Purposes
Classification Alloy Steel
34CD4 Chemical Element Composition Content (%)
Component C Si Mn P S Cr Mo
Minimum Value 0.31 0.1 0.6 - - 0.9 0.15
Maximum Value 0.37 0.4 0.9 0.035 0.035 1.2 0.25
1 Approximate Comparison Table Cold Heading Steel
China United States International Organization for Standardization Germany France
GB ISC ASTM/AISI UNS ISO DIN EN/DIN W-Nr. NF EN/NF
ML35CrMo A30354 4135
A320ML7B
G41350 34CrMo4E
(C31)
34CrMo4 1.7220 34CD4
2 Approximate Comparison Table Structural Alloy Steel
China Japan United States International Organization for Standardization Germany France European Standard Russia Sweden United Kingdom
GB JIS ASTM ISO DIN EN/DIN NF EN/NF EN Numerical Grade GOST SS BS EN/BS
35CrMo
ZG35CrMo
SCM435H 4135 34CrMo4 34CrMo4 34CD4
35CD4
34CrMo4 1.7220 35KHM
35KHML
2234 708A30
708M32
3 Approximate Comparison Table Cast Steel
China Japan United States International Organization for Standardization Germany France European Standard Russia Sweden United Kingdom
GB JIS ASTM ISO DIN EN/DIN NF EN/NF EN Numerical Grade GOST SS BS EN/BS
ZG35CrMo
35CrMo
SCM435H 4135 34CrMo4 34CrMo4 34CD4
35CD4
34CrMo4 1.7220 35KHM
35KHML
2234 708A30
708M32
34CD4 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"!