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ISO X21Cr13 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of ISO X21Cr13

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ISO ISO X21Cr13

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This page is mainly introduced the ISO X21Cr13 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of ISO X21Cr13,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
High temperature bainite and martensite steel ISO standard internal combustion engine

Steel Garde:ISO X21Cr13
Type:Special Alloy
Country:ISO
Standard:ISO
Application:High temperature bainite and martensite steel ISO standard internal combustion engine

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
X21Cr13	DIN	Germany

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	732～439	σb/MPa
Yield Strength	122	σ 0.2 ≥/MPa
Elongation	03	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	323～481	-
HRC	30	-

Physical Properties

Thermal expansion	25-86	e-6/K
Thermal conductivity	77-87	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	7383-9317	째C
Density	2824-9349	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 X21Cr13 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