Item
|
C
|
Mn
|
Si
|
P
|
S
|
Cr
|
Ni
|
Mo
|
V
|
Cu
|
E71T-11
|
≤0.18
|
≤1.75
|
≤0.60
|
≤0.03
|
≤0.03
|
≤0.20
|
≤0.50
|
≤0.30
|
≤0.08
|
≤0.35
|
E71T-GS
|
≤0.30
|
≤1.75
|
≤0.60
|
≤0.03
|
≤0.03
|
|
|
|
|
|
E71T-1
|
≤0.18
|
≤1.75
|
≤0.90
|
≤0.03
|
≤0.03
|
≤0.20
|
≤0.50
|
≤0.30
|
≤0.08
|
≤0.35
|
Item
|
Yield Point
(MPa)
|
Tensile Strength
(MPa)
|
Elongation
(%)
|
Charpy V-notch Impact Toughness
|
||
Test Temp.
(°C)
|
Impact Energy
(J)
|
Average
(J)
|
||||
E71T-11
|
≥500
|
≥590
|
≥28
|
-20
|
≥116
|
|
E71T-1
|
≥390
|
490-670
|
≥22
|
-20
|
≥27
|
|
E71T-GS
|
≥390
|
≥490
|
≥20
|
|
|
|