Grade VDM alloy 690
Other Names
Brand/Supplier
Germany -> VDM Metals
Classification Special Alloy Steel
Density 8.2 g/cm3
VDM alloy 690 Chemical Element Composition Content (%)
Component Fe C Si Mn S Cr Ni Cu
Minimum Value 7 - - - - 27 58 -
Maximum Value 11 0.05 0.5 0.5 0.015 31 - 0.5
VDM alloy 690 Mechanical Properties
condition Heat Treatment or Condition
Tensile Strength
σb
Mpa
Yield Point
σs
Mpa
Elongation or Extension Rate
δ
%
Hardness
HBW
Impact Energy Absorption
KV2
J
Strip; t ≤ 3 HRBW
≥240
Bar, Forging ≥120
Bar; d≤150 ≤240
Bar; d≤150 Solid Solution Treatment 720~920 ≥380 ≥40
Thin plate ≥150
Thin Sheet; t≤50 Solid Solution Annealing 720~920 ≥380 ≥40 ≤240

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