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

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JIS SUS 444 TB

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

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

ITEM Standard Number Descriptions

1 G 3463 (2012) Stainless steel boiler and heat exchanger tubes
Metallographic Structure:Ferrite
Application:Stainless steel boiler and heat exchanger tubes

ITEM	Standard Number	Descriptions
1	G 3463 (2012)	Stainless steel boiler and heat exchanger tubes

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
SUS 444	JIS	Japan
SUS 444	JIS	Japan
SUS 444	JIS	Japan
SUS 444	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	576～067	σb/MPa
Yield Strength	963	σ 0.2 ≥/MPa
Elongation	77	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	655～779	-
HRC	30	-

Physical Properties

Thermal expansion	69-21	e-6/K
Thermal conductivity	62-66	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	3289-7157	째C
Density	7918-0731	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 TB 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