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SUS 329J4 LTPY chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SUS 329J4 LTPY

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JIS SUS 329J4 LTPY

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This page is mainly introduced the SUS 329J4 LTPY chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SUS 329J4 LTPY,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Large diameter welded stainless steel pipes

Steel Garde:SUS 329J4 LTPY
Type:Stainless Steels
Country:Japan
Standard:JIS
Standard Number:

ITEM Standard Number Descriptions

1 G 3468 (2011) Large diameter welded stainless steel pipes
Metallographic Structure:Austenitic-Ferritic(Duplex steel)
Application:Large diameter welded stainless steel pipes

ITEM	Standard Number	Descriptions
1	G 3468 (2011)	Large diameter welded stainless steel pipes

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
SUS 329J 4L	JIS	Japan
SUS 329J 4L	JIS	Japan
SUS 329J 4L	JIS	Japan
SUS 329J 4L	JIS	Japan
SUS 329J 4L	JIS	Japan
SUS 329J 4LTB	JIS	Japan
SUS 329J 4LTP	JIS	Japan

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C		0.03
Si		1.00
Mn		1.50
P		0.04
S		0.03
Cr	24.00	26.00
Ni	5.50	7.50
Mo	2.50	3.50
N	0.08	0.30

Mechanical Properties

Tensile strength	258～833	σb/MPa
Yield Strength	223	σ 0.2 ≥/MPa
Elongation	30	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	932～838	-
HRC	30	-

Physical Properties

Thermal expansion	81-51	e-6/K
Thermal conductivity	49-24	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	7026-4805	째C
Density	7956-7465	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 329J4 LTPY 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