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301S21 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 301S21

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301S21

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This page is mainly introduced the 301S21 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 301S21,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
301S21

Steel Garde:301S21
Type:Special Alloy
Country:UK
Application:austenitic special steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	449～742	σb/MPa
Yield Strength	261	σ 0.2 ≥/MPa
Elongation	92	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	217～853	-
HRC	30	-

Physical Properties

Thermal expansion	80-88	e-6/K
Thermal conductivity	51-26	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	2051-1602	째C
Density	6496-2020	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)
301S21 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