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1144 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 1144

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AS 1144

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This page is mainly introduced the 1144 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 1144,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
1144

Steel Garde:1144
Type:Special Alloy
Country:Australia
Standard:AS
Application:Australia Structural steel

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
411443	CSN	Czech Republic
411444	CSN	Czech Republic
411448	CSN	Czech Republic
411449	CSN	Czech Republic
11443	CSN	Czech Republic
11444	CSN	Czech Republic
11448	CSN	Czech Republic
11449	CSN	Czech Republic

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	553～385	σb/MPa
Yield Strength	434	σ 0.2 ≥/MPa
Elongation	48	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	540～631	-
HRC	30	-

Physical Properties

Thermal expansion	25-66	e-6/K
Thermal conductivity	14-47	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	8801-6546	째C
Density	4324-1011	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)
1144 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