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STR310 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of STR310

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KS STR310

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This page is mainly introduced the STR310 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of STR310,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:STR310
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		0.25
Si		1.50
Mn		2.00
P		0.040
S		0.030
Cr	24.00	26.00
Ni	19.00	22.00
Mo
N

Mechanical Properties

Tensile strength	443～039	σb/MPa
Yield Strength	259	σ 0.2 ≥/MPa
Elongation	95	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	973～309	-
HRC	30	-

Physical Properties

Thermal expansion	20-29	e-6/K
Thermal conductivity	28-61	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	6933-8998	째C
Density	8779-2718	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)
STR310 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