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L3

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L2 T61203

Description

USA ASTM L3 Alloy tool steel and L3 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Tool Steel And Hard Alloy: L3
Category Type Steel Grade Standard Country Application
Steel GradesTool Steel And Hard Alloy L3 ASTM USA Alloy tool steel
T51620
P20
T51621
P21
T60601
F1
T60602
F2
T61202
L2

Chemical composition(mass fraction)(wt.%) of the L3

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) V(%)
0.95～1.10 0.10～0.50 0.25～0.80 ≤0.030 ≤0.030 1.30～1.70 0.10～0.30

Mechanical Properties of steel grade L3

Yield
Rp0.2 (MPa)		 Tensile
Rm (MPa)		 Impact
KV/Ku (J)		 Elongation
A (%)		 Reduction in cross section on fracture
Z (%)		 As-Heat-Treated Condition Brinell hardness (HBW)
298 (≥) 588 (≥) 44 31 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 333

Physical Properties of steel grade L3

Temperature
(°C)		 Modulus of elasticity
(GPa)		 Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and Thermal conductivity
(W/m·°C)		 Specific thermal capacity
(J/kg·°C)		 Specific electrical resistivity
(Ω mm²/m)		 Density
(kg/dm³)		 Poisson’s coefficient, ν
22 - -     0.21 -  
766 595 - 12.3 432   -  
946 - 43 42.2   343 242

Heat Treatment of steel grade L3

Heat treated : 1941°C - 1879°C

Technological Curves of steel grade L3

Cross Reference Table (Equivalent Grade) of L3

Grade Standard Country Application
Q195 GBT China Engineering and welding
Q215 China Engineering and welding
Q215 B China Engineering and welding
Q235 China Engineering and welding
Q235 B China Engineering and welding
Q235 C China Engineering and welding
Q235 D China Engineering and welding
Q255 A China Engineering and welding
Q255 B China Engineering and welding
Q275 China Engineering and welding
Q235q C China Bridge structure with steel
Q235q D China Bridge structure with steel
Q345q E China Bridge structure with steel
Q345q C China Bridge structure with steel
ASTM 1030 ASTM USA General use carbon steel bar
UNS G10300 UNS USA General use carbon steel bar
ASTM 1005 ASTM USA General use carbon steel bar
UNS G10050 UNS USA General use carbon steel bar
ASTM 1006 ASTM USA General use carbon steel bar
UNS G10060 UNS USA General use carbon steel bar
L2 T61203
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Jiangyou Longhai Special Steel Co.,Ltd.

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