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L3 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of L3

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SAE L3

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L3 Profile
L3 Chemical composition
L3 Mechanical Properties
L3 Physical Properties
L3 Heat treatment
L3 Size Availability
L3 Relevant products

Profile

This page is mainly introduced the L3 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of L3,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Low Alloy Tool Steel

Steel Garde:L3
Type:Tool Die Steels
Country:USA
Standard:SAE
Application:Low Alloy Tool Steel

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
L3	ASTM	USA

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C		1.00
Si		0.50
Mn	0.25	0.50
Cr	1.10	1.70
Mo
V	0.10	0.30
W

Mechanical Properties

Tensile strength	697～777	σb/MPa
Yield Strength	305	σ 0.2 ≥/MPa
Elongation	31	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	375～591	-
HRC	30	-

Physical Properties

Thermal expansion	57-90	e-6/K
Thermal conductivity	66-78	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	5687-7119	째C
Density	2626-4958	kg/m³
Resistivity	0.50-0.60	Ohm.mm²/m

Heat Treatment Regime

Annealing	Quenching	Tempering	Normalizing	Q & T
√	√	√	√	√

Size Availability

Steel Grade	Specification	Processing range(mm)
L3 Tool Die Steels	Round Bar and Hollow Bar	Φ1 to Φ2000
	Square and Flat Steel	Φ10 to Φ100
	Plate and Sheet	0.08-800(Thickness)10-1500(Width)Length
	Tube or Pipe	OD:Φ4-410; WT:1-35 mm; Lenght:10-12000
	Coil and Strip Steel	THK:0.1mm Width:1500mm
	Forged	Ring/Cylindrical/Disk