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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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ASTM L3

Catalog

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:ASTM
Application:Low Alloy Tool Steel

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
L3	SAE	USA

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C	0.95	1.10
Si	0.10	0.50
Mn	0.25	0.80
P		0.030
S		0.030
Cr	1.30	1.70
Mo
V	0.10	0.30
W
Ni＋Cu		0.75

Mechanical Properties

Tensile strength	280～819	σb/MPa
Yield Strength	841	σ 0.2 ≥/MPa
Elongation	07	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	230～269	-
HRC	30	-

Physical Properties

Thermal expansion	79-60	e-6/K
Thermal conductivity	84-26	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	1310-0865	째C
Density	4751-5602	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