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SUH 409 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SUH 409

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JIS SUH 409

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This page is mainly introduced the SUH 409 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SUH 409,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 409
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:Martensite
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 446	JIS	Japan
SUH 446	JIS	Japan
SUH 446	JIS	Japan
SUH 4	JIS	Japan
SUH 409L	JIS	Japan
SUH 11	JIS	Japan

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C	0.75	0.85
Si	1.75	2.25
Mn	0.20	0.60
P		0.03
S		0.03
Cr	19.00	20.50
Ni	1.15	1.65
Mo

Mechanical Properties

Tensile strength	434～177	σb/MPa
Yield Strength	733	σ 0.2 ≥/MPa
Elongation	81	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	831～370	-
HRC	30	-

Physical Properties

Thermal expansion	93-14	e-6/K
Thermal conductivity	60-41	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	1943-0408	째C
Density	6736-2641	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 409 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