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1.3817 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 1.3817

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SEW 1.3817

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This page is mainly introduced the 1.3817 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 1.3817,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:1.3817
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
X40MnCr18	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	644～907	σb/MPa
Yield Strength	448	σ 0.2 ≥/MPa
Elongation	80	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	869～425	-
HRC	30	-

Physical Properties

Thermal expansion	41-63	e-6/K
Thermal conductivity	36-59	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	5987-3633	째C
Density	0466-7436	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)
1.3817 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