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STD6 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of STD6

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KS STD6

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This page is mainly introduced the STD6 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of STD6,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.

Steel Garde:STD6
Type:Special Alloy
Country:Korea
Standard:KS
Application:

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
STD6	KS	Korea
STD61	KS	Korea
STD61	KS	Korea
STD62	KS	Korea
STD62	KS	Korea

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	621～839	σb/MPa
Yield Strength	057	σ 0.2 ≥/MPa
Elongation	16	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	190～334	-
HRC	30	-

Physical Properties

Thermal expansion	20-91	e-6/K
Thermal conductivity	84-18	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	8678-1611	째C
Density	2618-6423	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)
STD6 Special Alloy	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