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3Cr18Mn12Si2N chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 3Cr18Mn12Si2N

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GB 3Cr18Mn12Si2N

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This page is mainly introduced the 3Cr18Mn12Si2N chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 3Cr18Mn12Si2N,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
3Cr18Mn12Si2N

Steel Garde:3Cr18Mn12Si2N
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

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
0Cr18Ni9	GB	China
0Cr18Ni9Cu3	GB	China

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C	0.22	0.30
Si	1.40	2.20
Mn	10.50	12.50
P		0.35
S		0.03
Cr	17.00	19.00
N	0.22	0.33

Mechanical Properties

Tensile strength	468～151	σb/MPa
Yield Strength	198	σ 0.2 ≥/MPa
Elongation	76	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	205～503	-
HRC	30	-

Physical Properties

Thermal expansion	01-01	e-6/K
Thermal conductivity	25-16	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	7747-9443	째C
Density	0357-8307	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)
3Cr18Mn12Si2N 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