Grade DAC
Corresponding Standard JIS G 7306-2000
Steel wire for mechanical springs — Part 3: Oil-hardened tempered wire
Classification Alloy Steel
DAC Chemical Element Composition Content (%)
Component C Si Mn P S Cr
Minimum Value 0.51 1.2 0.5 - - 0.55
Maximum Value 0.59 1.6 0.8 0.03 0.03 0.85
DAC Mechanical Properties
condition Heat Treatment or Condition
Tensile Strength
σb
Mpa
Wire; d=0.5 Quenching and Tempering 2000~2300

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