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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	934～438	σb/MPa
Yield Strength	303	σ 0.2 ≥/MPa
Elongation	83	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	682～690	-
HRC	30	-

Physical Properties

Thermal expansion	29-52	e-6/K
Thermal conductivity	81-79	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	0804-9336	째C
Density	4721-4631	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