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L2

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T61202 L3

Description

USA ASTM L2 Alloy tool steel and L2 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Tool Steel And Hard Alloy: L2
Category Type Steel Grade Standard Country Application
Steel GradesTool Steel And Hard Alloy L2 ASTM USA Alloy tool steel
P6
T51620
P20
T51621
P21
T60601
F1
T60602
F2
T61202

Chemical composition(mass fraction)(wt.%) of the L2

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Mo(％) V(%)
0.45～1.00 0.10～0.50 0.10～0.90 ≤0.030 ≤0.030 0.70～1.20 ≤0.25 0.10～0.30

Mechanical Properties of steel grade L2

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)
765 (≥) 377 (≥) 22 11 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 113

Physical Properties of steel grade L2

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 - -     0.13 -  
836 254 - 32.3 442   -  
612 - 41 42.2   142 314

Heat Treatment of steel grade L2

Heat treated : 1693°C - 1471°C

Technological Curves of steel grade L2

Cross Reference Table (Equivalent Grade) of L2

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
T61202 L3
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