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STR330 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of STR330

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KS STR330

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This page is mainly introduced the STR330 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of STR330,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Heat - resisting steel plates and sheets

Steel Garde:STR330
Type:Stainless Steels
Country:Korea
Standard:KS

Standard Number:

ITEM	Standard Number	Descriptions
1	D 3731 (2002)	Heat - resisting steel bars
2	D 3732 (2002)	Heat - resisting steel plates and sheets

Metallographic Structure:Austenite
Application:Heat - resisting steel plates and sheets

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C		0.15
Si		1.50
Mn		2.00
P		0.040
S		0.030
Cr	14.00	17.00
Ni	33.00	37.00
Mo
N

Mechanical Properties

Tensile strength	301～553	σb/MPa
Yield Strength	582	σ 0.2 ≥/MPa
Elongation	19	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	968～111	-
HRC	30	-

Physical Properties

Thermal expansion	42-54	e-6/K
Thermal conductivity	09-63	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	1544-7091	째C
Density	5536-5416	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)
STR330 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