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STR35 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of STR35

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KS STR35

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This page is mainly introduced the STR35 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of STR35,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Heat - resisting steel bars

Steel Garde:STR35
Type:Stainless Steels
Country:Korea
Standard:KS
Standard Number:

ITEM Standard Number Descriptions

1 D 3731 (2002) Heat - resisting steel bars
Metallographic Structure:Austenite
Application:Heat - resisting steel bars

ITEM	Standard Number	Descriptions
1	D 3731 (2002)	Heat - resisting steel bars

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C	0.48	0.58
Si		0.35
Mn	8.00	10.00
P		0.040
S		0.030
Cr	20.00	22.00
Ni	3.25	4.50
Mo
N	0.35	0.50

Mechanical Properties

Tensile strength	144～808	σb/MPa
Yield Strength	712	σ 0.2 ≥/MPa
Elongation	32	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	233～861	-
HRC	30	-

Physical Properties

Thermal expansion	25-74	e-6/K
Thermal conductivity	66-19	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	8909-2120	째C
Density	7574-5244	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)
STR35 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