Grade 18CrNiMo7
Corresponding Standard JIS G 7105-2000
Heat-Treatable Steels, Alloy Steels and Free-Cutting Steels — Part 18 : Bright Products Of Unalloyed and Low Alloy Steels
Classification Alloy Steel
Properties Carburizing Ability
18CrNiMo7 Chemical Element Composition Content (%)
Component C Si Mn P S Cr Ni Mo
Minimum Value 0.15 0.15 0.35 - - 1.5 1.4 0.25
Maximum Value 0.21 0.4 0.65 0.035 0.035 1.8 1.7 0.35
◎ A lower silicon content may be agreed upon at the time of enquiry and order; in this case, the influence on mechanical properties should be taken into account.
18CrNiMo7 Mechanical Properties
thickness
t
mm
Heat Treatment or Condition
Tensile Strength
σb
Mpa
Hardness
HBW
t≤16 TC ≥900
16<t≤40 TC ≥870
40<t≤80 TC ≥820
Steel TC+TA,
P+TA或
G+TA
≤229
Steel TC+M,
P+M或
G+M
179~229
Steel M+TC 179~329®
18CrNiMo7 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"!