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SUH446 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SUH446

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CNS SUH446

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This page is mainly introduced the SUH446 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SUH446,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
CNS standard heat resistant steel plate of the steel grade and chemical composition

Steel Garde:SUH446
Type:Stainless Steels
Country:China
Standard:CNS
Metallographic Structure:Ferrite
Application:CNS standard heat resistant steel plate of the steel grade and chemical composition

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
SUH446	CNS	China

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C		0.02
Si		1.00
Mn		1.50
P		0.040
S		0.030
Cr	23.00	27.00
Ni		0.60
Mo
N		0.25

Mechanical Properties

Tensile strength	302～755	σb/MPa
Yield Strength	290	σ 0.2 ≥/MPa
Elongation	48	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	004～959	-
HRC	30	-

Physical Properties

Thermal expansion	42-28	e-6/K
Thermal conductivity	18-56	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	3361-8733	째C
Density	8947-7975	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)
SUH446 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