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ER 209 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of ER 209

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AMS ER 209

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This page is mainly introduced the ER 209 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of ER 209,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Bare Stainless Steel Welding Electrodes and Rods

Steel Garde:ER 209
Type:Stainless Steels
Country:USA
Standard:AMS
Standard Number:

ITEM Standard Number Descriptions

1 SFA-5.9/SFA-5.9M Bare Stainless Steel Welding Electrodes and Rods
Metallographic Structure:Precipitation-Hardening
Application:Bare Stainless Steel Welding Electrodes and Rods

ITEM	Standard Number	Descriptions
1	SFA-5.9/SFA-5.9M	Bare Stainless Steel Welding Electrodes and Rods

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
A 403 CR20CB	SAE	USA
B 275 GR20A	SAE	USA
B 275 GR20B	SAE	USA
B 344 Ni35-Cr20	SAE	USA
B 344 Ni80-Cr20	SAE	USA
B 564 R20033	SAE	USA
B 619 R20033	SAE	USA
B 622 R20033	SAE	USA
B 625 R20033	SAE	USA
B 626 R20033	SAE	USA
B 649 R20033	SAE	USA
ER 209	AMS	USA
HARPER 200	UNS	USA
NiFe 25 Cr 20 NbTi	UNS	USA
R20033	AISI	USA
R20500	AISI	USA
R20501	AISI	USA
R-206.0	AMS	USA
R-206.0	AWS	USA
R20600	UNS	USA
R20990	UNS	USA
R20994	UNS	USA
SB-564 R20033	ASME	USA
SB-619 R20033	ASME	USA
SB-622 R20033	ASME	USA
SB-625 R20033	ASME	USA
SB-626 R20033	ASME	USA
SB-649 R20033	ASME	USA

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）	Similar	Remarks
C		0.12
Si		0.30
Mn		0.80
Cr		19.00
Ni		14.00
Mo
Co
W
Al
Cu
Ti
Fe		remaining
Nb		1.60

Mechanical Properties

Tensile strength	850～438	σb/MPa
Yield Strength	413	σ 0.2 ≥/MPa
Elongation	21	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	228～785	-
HRC	30	-

Physical Properties

Thermal expansion	70-17	e-6/K
Thermal conductivity	42-82	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	2918-7571	째C
Density	6532-2316	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)
ER 209 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