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S44020 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of S44020

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UNS S44020

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This page is mainly introduced the S44020 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of S44020,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
S44020

Steel Garde:S44020
Type:Special Alloy
Country:USA
Standard:UNS
Application:Martensitic special steel

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
UNS S44020	UNS	USA
S44020	UNS	USA

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	466～179	σb/MPa
Yield Strength	032	σ 0.2 ≥/MPa
Elongation	66	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	543～380	-
HRC	30	-

Physical Properties

Thermal expansion	49-60	e-6/K
Thermal conductivity	67-48	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	5179-7139	째C
Density	7702-3646	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)
S44020 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