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ISO X15CrNiSi25 21 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of ISO X15CrNiSi25 21

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ISO ISO X15CrNiSi25 21

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This page is mainly introduced the ISO X15CrNiSi25 21 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of ISO X15CrNiSi25 21,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
ISO standard Austenite size heat resistant steel

Steel Garde:ISO X15CrNiSi25 21
Type:Special Alloy
Country:ISO
Standard:ISO
Application:ISO standard Austenite size heat resistant steel

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
X15CrNiSi25-21(20)	DIN	Germany
EN X15CrNiSi25-21	EN	Euronorm

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	685～374	σb/MPa
Yield Strength	017	σ 0.2 ≥/MPa
Elongation	60	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	839～022	-
HRC	30	-

Physical Properties

Thermal expansion	54-56	e-6/K
Thermal conductivity	54-35	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	4313-9530	째C
Density	0778-3924	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)
ISO X15CrNiSi25 21 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