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L13704 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of L13704

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GBT L13704

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This page is mainly introduced the L13704 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of L13704,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
L13704

Steel Garde:L13704
Type:Special Alloy
Country:China
Standard:GBT
Application:China structural steel and alloy steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	836～692	σb/MPa
Yield Strength	517	σ 0.2 ≥/MPa
Elongation	62	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	039～930	-
HRC	30	-

Physical Properties

Thermal expansion	89-69	e-6/K
Thermal conductivity	13-15	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	1935-3102	째C
Density	4625-8676	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)
L13704 Special Alloy	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