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SUS 630 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SUS 630

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JIS SUS 630

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This page is mainly introduced the SUS 630 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SUS 630,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:SUS 630
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:Precipitation-Hardening
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
SUS 630	JIS	Japan
SUS 630	JIS	Japan
SUS 630	JIS	Japan
SUS 630	JIS	Japan
SUS 630 FB	JIS	Japan
SUS 630FB	JIS	Japan

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C		0.07
Si		1.00
Mn		1.00
P		0.04
S		0.03
Cr	15.00	17.00
Ni	3.00	5.00
Mo
N
Cu	3.00	5.00
Nb	0.15	0.45

Mechanical Properties

Tensile strength	259～655	σb/MPa
Yield Strength	922	σ 0.2 ≥/MPa
Elongation	03	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	560～337	-
HRC	30	-

Physical Properties

Thermal expansion	69-84	e-6/K
Thermal conductivity	09-04	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	8871-5018	째C
Density	3070-9962	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)
SUS 630 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