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SUS 444 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SUS 444

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JIS SUS 444

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This page is mainly introduced the SUS 444 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SUS 444,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Hot-formed stainless steel sections

Steel Garde:SUS 444
Type:Stainless Steels
Country:Japan
Standard:JIS
Standard Number:

ITEM Standard Number Descriptions

1 G 4317 (2005) Hot-formed stainless steel sections
Metallographic Structure:Ferrite
Application:Hot-formed stainless steel sections

ITEM	Standard Number	Descriptions
1	G 4317 (2005)	Hot-formed stainless steel sections

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
SUS 444	JIS	Japan
SUS 444	JIS	Japan
SUS 444	JIS	Japan
SUS 444 TB	JIS	Japan
SUS 444 TP	JIS	Japan

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C		0.025
Si		1.00
Mn		1.00
P		0.04
S		0.03
Cr	17.00	20.00
Ni		0.60
Mo	1.75	2.50
N		0.025

Mechanical Properties

Tensile strength	946～399	σb/MPa
Yield Strength	261	σ 0.2 ≥/MPa
Elongation	09	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	863～986	-
HRC	30	-

Physical Properties

Thermal expansion	74-68	e-6/K
Thermal conductivity	73-54	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	3116-4771	째C
Density	4863-9042	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 444 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