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X40MnCr18 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of X40MnCr18

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This page is mainly introduced the X40MnCr18 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of X40MnCr18,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Non magnetizable steels. Technical delivery conditions, X40MnCr18

Steel Garde:X40MnCr18
Type:Stainless Steels
Country:Germany
Standard:SEW
Standard Number:

ITEM Standard Number Descriptions

1 SEW 390 Non magnetizable steels. Technical delivery conditions
Application:Non magnetizable steels. Technical delivery conditions

ITEM	Standard Number	Descriptions
1	SEW 390	Non magnetizable steels. Technical delivery conditions

Relevant products:

X40MnCr18 / 1.38...

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
1.3817	SEW	Germany

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C	0.40	0.55
Si		0.80
Mn	17.00	19.00
P		0.100
S		0.030
Cr	3.00	5.00

Mechanical Properties

Tensile strength	123～111	σb/MPa
Yield Strength	847	σ 0.2 ≥/MPa
Elongation	29	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	234～464	-
HRC	30	-

Physical Properties

Thermal expansion	76-85	e-6/K
Thermal conductivity	00-38	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	6171-2491	째C
Density	1177-7143	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)
X40MnCr18 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