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S41800 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of S41800

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UNS S41800

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This page is mainly introduced the S41800 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of S41800,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
S41800

Steel Garde:S41800
Type:Special Alloy
Country:USA
Standard:UNS
Application:Martensitic special steel

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
S41800	UNS	USA
UNS S41800	UNS	USA
UNS S41800	UNS	USA

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	256～480	σb/MPa
Yield Strength	155	σ 0.2 ≥/MPa
Elongation	11	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	914～712	-
HRC	30	-

Physical Properties

Thermal expansion	31-68	e-6/K
Thermal conductivity	25-19	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	7378-3707	째C
Density	6599-9167	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)
S41800 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