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2Cr20Mn9Ni2Si2N chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 2Cr20Mn9Ni2Si2N

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GB 2Cr20Mn9Ni2Si2N

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This page is mainly introduced the 2Cr20Mn9Ni2Si2N chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 2Cr20Mn9Ni2Si2N,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
2Cr20Mn9Ni2Si2N

Steel Garde:2Cr20Mn9Ni2Si2N
Type:Stainless Steels
Country:China
Standard:GB
Standard Number:

ITEM Standard Number Descriptions

1 GB/T 1221 (1992) Heat-resisting steel bars
Metallographic Structure:Austenite
Application:Heat-resisting steel bars

ITEM	Standard Number	Descriptions
1	GB/T 1221 (1992)	Heat-resisting steel bars

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C	0.17	0.26
Si	1.80	2.70
Mn	8.50	11.00
P		0.35
S		0.03
Ni	2.00	3.00
Cr	18.00	21.00
N	0.20	0.30

Mechanical Properties

Tensile strength	845～265	σb/MPa
Yield Strength	817	σ 0.2 ≥/MPa
Elongation	60	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	081～972	-
HRC	30	-

Physical Properties

Thermal expansion	47-30	e-6/K
Thermal conductivity	04-55	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	9945-9734	째C
Density	5557-7409	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)
2Cr20Mn9Ni2Si2N 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