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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 bars and wire rods

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

ITEM Standard Number Descriptions

1 G 4311 (2011) Heat-resisting steel bars and wire rods
Metallographic Structure:Martensite
Application:Heat-resisting steel bars and wire rods

ITEM	Standard Number	Descriptions
1	G 4311 (2011)	Heat-resisting steel bars and wire rods

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
SUH 31	JIS	Japan
SUH 310	JIS	Japan
SUH 310	JIS	Japan
SUH 35	JIS	Japan
SUH 36	JIS	Japan
SUH 37	JIS	Japan
SUH 38	JIS	Japan
SUH 309	JIS	Japan
SUH 309	JIS	Japan
SUH310	JIS	Japan
SUH310	JIS	Japan
SUH 330	JIS	Japan
SUH 330	JIS	Japan
SUH 330	JIS	Japan
SUH 3	JIS	Japan
SUH 309	JIS	Japan
SUH 31	JIS	Japan
SUH 310	JIS	Japan
SUH 310	JIS	Japan
SUH 330	JIS	Japan
SUH 330	JIS	Japan
SUH 330	JIS	Japan
SUH 35	JIS	Japan
SUH 36	JIS	Japan
SUH 37	JIS	Japan
SUH 38	JIS	Japan

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C	0.35	0.45
Si	1.80	2.50
Mn		0.60
P		0.03
S		0.03
Cr	10.00	12.00
Ni		0.60
Mo	0.70	1.30

Mechanical Properties

Tensile strength	308～744	σb/MPa
Yield Strength	674	σ 0.2 ≥/MPa
Elongation	30	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	411～641	-
HRC	30	-

Physical Properties

Thermal expansion	59-86	e-6/K
Thermal conductivity	76-57	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	9993-7483	째C
Density	8325-6823	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