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X7CrNiSiNCe21-11 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of X7CrNiSiNCe21-11

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ISO X7CrNiSiNCe21-11

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This page is mainly introduced the X7CrNiSiNCe21-11 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of X7CrNiSiNCe21-11,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Heat-resistant steels

Steel Garde:X7CrNiSiNCe21-11
Type:Stainless Steels
Country:International
Standard:ISO

Standard Number:

ITEM	Standard Number	Descriptions
1	ISO 15510 (2010)	Stainless steels -- Chemical composition
2	ISO 16143-3 (2005)	Stainless steels for general purposes -- Part 3: Wire
3	ISO 4955 (2005)	Heat-resistant steels

Metallographic Structure:Austenite
Application:Heat-resistant steels

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C		0.10
Si	1.40	2.00
Mn		0.80
P		0.045
S		0.030
Cr	20.00	22.00
Ni	10.00	12.00
N	0.14	0.20
Ce	0.03	0.08

Mechanical Properties

Tensile strength	796～905	σb/MPa
Yield Strength	916	σ 0.2 ≥/MPa
Elongation	57	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	968～304	-
HRC	30	-

Physical Properties

Thermal expansion	09-12	e-6/K
Thermal conductivity	61-24	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	5572-8155	째C
Density	1047-4794	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)
X7CrNiSiNCe21-11 Stainless Steels	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