Chemical&Properties
Grade
（wt%）Chemical Composition（wt%）
C
Mn
Ni
Cr
Cu
LZ
L4
≤0.15
7.00-10.00
3.50～6.50
14.00～16.00
≤2.00
Mechanical&Physical Properties
Specification
Mechanical Property
Physical Property
Y.S. (N/mm2)
T.S. (N/mm2)
EL(%)
Hardness (HRB)
Specific HEAT (J/g℃)
Modulus of Elasticity (KN/mm2)
Coefficient of Heat Expansion 10-6cm/cm/℃ （20-100℃）
Thermal Conductivity W/m℃(100℃)
≥205
≥515
≥35
≤95
0.60
191
15.3
15.8
