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SUH3 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SUH3

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CNS SUH3

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This page is mainly introduced the SUH3 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SUH3,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
CNS standard heat resistant steel bar steel grade and chemical composition

Steel Garde:SUH3
Type:Stainless Steels
Country:China
Standard:CNS
Metallographic Structure:Martensite
Application:CNS standard heat resistant steel bar steel grade and chemical composition

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
SUH31	CNS	China
SUH35	CNS	China
SUH36	CNS	China
SUH37	CNS	China
SUH38	CNS	China
SUH309	CNS	China
SUH310	CNS	China
SUH330	CNS	China
SUH309	CNS	China
SUH310	CNS	China
SUH330	CNS	China

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C	0.35	0.45
Si	1.80	2.50
Mn		0.60
P		0.030
S		0.030
Cr	10.00	12.00
Ni		0.60
Mo	0.70	1.30
N

Mechanical Properties

Tensile strength	324～622	σb/MPa
Yield Strength	042	σ 0.2 ≥/MPa
Elongation	06	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	474～937	-
HRC	30	-

Physical Properties

Thermal expansion	08-15	e-6/K
Thermal conductivity	62-39	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	1294-9007	째C
Density	4996-9420	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)
SUH3 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