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E8221 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of E8221

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UNE E8221

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This page is mainly introduced the E8221 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of E8221,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
E8221

Steel Garde:E8221
Type:Special Alloy
Country:Spain
Standard:UNE
Application:Spain structural alloy steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	870～266	σb/MPa
Yield Strength	442	σ 0.2 ≥/MPa
Elongation	90	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	984～670	-
HRC	30	-

Physical Properties

Thermal expansion	19-84	e-6/K
Thermal conductivity	72-05	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	4989-2398	째C
Density	8666-7238	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)
E8221 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