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SUH 309 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SUH 309

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JIS SUH 309

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This page is mainly introduced the SUH 309 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SUH 309,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Heat-resisting steel plate, sheet and strip

Steel Garde:SUH 309
Type:Stainless Steels
Country:Japan
Standard:JIS
Standard Number:

ITEM Standard Number Descriptions

1 G 4312 (2011) Heat-resisting steel plate, sheet and strip
Metallographic Structure:Austenite
Application:Heat-resisting steel plate, sheet and strip

ITEM	Standard Number	Descriptions
1	G 4312 (2011)	Heat-resisting steel plate, sheet and strip

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
SUH 309	JIS	Japan

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C		0.20
Si		1.00
Mn		2.00
P		0.04
S		0.03
Cr	22.00	24.00
Ni	12.00	15.00
Mo

Mechanical Properties

Tensile strength	638～732	σb/MPa
Yield Strength	718	σ 0.2 ≥/MPa
Elongation	03	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	408～745	-
HRC	30	-

Physical Properties

Thermal expansion	54-24	e-6/K
Thermal conductivity	28-16	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	1947-2644	째C
Density	0516-5205	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)
SUH 309 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