Grade Х12
Corresponding Standard GOST 5950-2000
Tool Alloy Steel Bars, Strips and Coils. General Specifications
Classification Tool Steel
Х12 Chemical Element Composition Content (%)
Component C Si Mn P S Cr Ni Cu Mo Ti W V
Minimum Value 2 0.1 0.15 - - 11.5 - - - - - -
Maximum Value 2.2 0.4 0.45 0.03 0.03 13.5 0.4 0.3 0.2 0.03 0.2 0.15
Х12 Mechanical Properties
product Heat Treatment or Condition
Hardness
HBW
Steel Delivery Condition + Cold Processing Indentation Diameter ≥ 3.8mm
≤255
Steel Quenching at 960~980°C, oil cooling, tempering at 180±10°C HRC≥61
Approximate Comparison Table Alloy Tool Steel 1
China Taiwan, China Japan South Korea United States International Organization for Standardization Germany France Russia United Kingdom
GB ISC CNS JIS KS ASTM UNS ISO DIN EN/DIN W-Nr. NF EN/NF GOST BS EN/BS
Cr12 T21200 SKD 1 SKD 1 STD 1 D3 T30403 X210Cr12 X210Cr12 1.2080 X210Cr12
X200Cr12
Х12 X210Cr12
BD3

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