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S41800 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of S41800

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AISI S41800

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This page is mainly introduced the S41800 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of S41800,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.

Martensitic Chromium Wolfram Nickel Stainless and Heat Resisting Steel

Steel Garde:S41800
Type:Stainless Steels
Country:USA
Standard:AISI
Metallographic Structure:Martensite
Application:Martensitic Chromium Wolfram Nickel Stainless and Heat Resisting Steel

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
A 565 S41800	SAE	USA
A 565 S41800	SAE	USA
S41800	AISI	USA
A 565 S41800	SAE	USA
S41800	AISI	USA
1.4418	AMS	USA
A 534 18CrNiMo7-6	SAE	USA
A 534 18NiCrMo14-6	SAE	USA
A 541 Class 8	SAE	USA
A 541 Class 8A	SAE	USA
A 854 Grade 180	SAE	USA
A 920 Grade 11V41 Class 80	SAE	USA
A 920 Grade 15V41 Class 80	SAE	USA
B418 Type 1	SAE	USA
B418 Type 2	SAE	USA
C14180	AISI	USA
C14181	AISI	USA
K14185	AISI	USA
N 62418	ASME	USA
S41880	AISI	USA
SA-541 Class 8	AMS	USA
SA-541 Class 8A	AMS	USA
W21418	AISI	USA
W50418	AISI	USA
X4CrNiMo16-5-1	B.S.	UK
1.4418	B.S.	UK
X4CrNiMo16-5-1	AFNOR	France
1.4418	AFNOR	France

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C	0.15	0.20
Mn		0.50
Si		0.50
P		0.04
S		0.03
Cr	12.00	14.00
Ni	1.80	2.20
Mo		0.60
W	2.50	3.50

Mechanical Properties

Tensile strength	507～830	σb/MPa
Yield Strength	194	σ 0.2 ≥/MPa
Elongation	72	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	347～265	-
HRC	30	-

Physical Properties

Thermal expansion	45-74	e-6/K
Thermal conductivity	90-76	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	7856-6250	째C
Density	4344-4922	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)
S41800 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