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SUH 660 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SUH 660

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JIS SUH 660

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This page is mainly introduced the SUH 660 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SUH 660,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 660
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:Austenite
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 660 WSA	JIS	Japan
SUH 660 WSB	JIS	Japan
SUH660	JIS	Japan
SUH660	JIS	Japan
SUH 660WSA	JIS	Japan
SUH 660WSB	JIS	Japan

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C		0.08
Si		1.00
Mn		2.00
P		0.04
S		0.03
Cr	13.50	16.00
Ni	24.00	27.00
Mo	1.00	1.50
V	0.10	0.50
Ti	1.90	2.35
Al		0.35
B	0.001	0.010

Mechanical Properties

Tensile strength	406～296	σb/MPa
Yield Strength	833	σ 0.2 ≥/MPa
Elongation	68	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	266～019	-
HRC	30	-

Physical Properties

Thermal expansion	52-62	e-6/K
Thermal conductivity	95-38	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	7625-1394	째C
Density	8483-4675	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 660 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