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Grade JFE-HITEN780S
Brand/Supplier
Japan -> JFE Steel
Classification Alloy Steel
Properties Strength Weldability
JFE-HITEN780S Chemical Element Composition Content (%)
  Component C Si Mn P S Cr Mo Ti V B
板厚t≤50 Minimum Value - - - - - - - 0.005 - -
Maximum Value 0.25 0.55 1.6 0.03 0.015 0.7 0.3 0.02 0.1 0.005
  Component C Si Mn P S Cr Ni Cu Mo Ti V B
板厚50<t≤160 Minimum Value - - - - - - - - - 0.005 - -
Maximum Value 0.2 0.55 1.6 0.03 0.015 1.5 0.5 0.5 0.6 0.02 0.1 0.005
  Component C Si Mn P S Cr Ni Cu Mo Ti V B
板厚t>160 Minimum Value - - - - - - - - - - - -
Maximum Value 0.18 0.55 1.6 0.03 0.015 1.5 0.5 0.5 0.6 0.03 0.1 0.005
JFE-HITEN780S Mechanical Properties
thickness
t
mm		 Heat Treatment or Condition
Tensile Strength
σb
Mpa 		Yield Point
σs
Mpa 		Elongation or Extension Rate
δ
% 		Impact Energy Absorption
KV2
J
5＜t≤12 Quenching and Tempering 780~930 ≥685 ≥16 -
12＜t≤16 Quenching and Tempering 780~930 ≥685 ≥16 -5°C
≥35
16＜t≤20 Quenching and Tempering 780~930 ≥685 ≥24 -5°C
≥35
20＜t≤32 Quenching and Tempering 780~930 ≥685 ≥24 -15°C
≥35
32＜t≤40 Quenching and Tempering 780~930 ≥685 ≥24 -20°C
≥35
40＜t≤75 Quenching and Tempering 780~930 ≥685 - -20°C
≥35
75＜t≤160 Quenching and Tempering 780~930 ≥665 - -20°C
≥35

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