Grade 15Cr
China ISC A20152
Corresponding Standard GB /T 11251-2020
Alloy Structural Steel Plate and Strip
Classification Alloy Steel
Properties Machinability Weldability Carburizing Ability
Density 7.83 g/cm3
15Cr Chemical Element Composition Content (%)
Component C Si Mn P S Cr Ni Cu Mo
Minimum Value 0.12 0.17 0.4 - - 0.7 - - -
Maximum Value 0.18 0.37 0.7 0.03 0.03 1 0.3 0.3 0.1
• The composition shall comply with the provisions of GB/T 3077-2015
15Cr Mechanical Properties
Heat Treatment or Condition
Tensile Strength
σb
Mpa
Elongation or Extension Rate
δ
%
Annealing 400~600 ≥21
• The surface Brinell hardness of steel plates delivered in a high-temperature tempered state shall comply with the provisions of GB/T 3077-2015
Approximate Comparison Table Structural Alloy Steel
China Taiwan, China Japan South Korea United States Germany France Russia United Kingdom
GB ISC CNS JIS KS ASTM/AISI UNS DIN EN/DIN W-Nr. NF EN/NF GOST BS EN/BS
15Cr A20152 SCr415 SCr415 SCr415 5115 G51150 15Cr3 1.7015 12C3 15Х 523A14
523M15
15Cr Corresponding Standards(Same grade name, different standards)

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