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

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UNS CHROMEL A

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

Steel Garde:CHROMEL A
Type:Stainless Steels
Country:USA
Standard:UNS
Standard Number:

ITEM Standard Number Descriptions

1 SAE J 470 (1976) Wrought nickel and nickel-related alloys
Metallographic Structure:Precipitation-Hardening
Application:Wrought nickel and nickel-related alloys

ITEM	Standard Number	Descriptions
1	SAE J 470 (1976)	Wrought nickel and nickel-related alloys

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
CHROMEL	UNS	USA
CHROMEL C	UNS	USA
CHROMEL D	UNS	USA

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C		0.15
Si		0.25
Mn		0.25
P
S
Ni		remaining
Cr	9.00	11.00
Al
Cu
Ti
Fe		0.50
Mo
Co
B	0.003	0.015

Mechanical Properties

Tensile strength	906～699	σb/MPa
Yield Strength	273	σ 0.2 ≥/MPa
Elongation	84	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	222～099	-
HRC	30	-

Physical Properties

Thermal expansion	12-84	e-6/K
Thermal conductivity	22-10	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	4975-0385	째C
Density	6763-7705	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)
CHROMEL A 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