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STR616 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of STR616

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KS STR616

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This page is mainly introduced the STR616 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of STR616,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
KS standard martensite heat resistant steel

Steel Garde:STR616
Type:Special Alloy
Country:Korea
Standard:KS
Application:KS standard martensite heat resistant steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	161～090	σb/MPa
Yield Strength	944	σ 0.2 ≥/MPa
Elongation	56	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	938～381	-
HRC	30	-

Physical Properties

Thermal expansion	13-24	e-6/K
Thermal conductivity	11-30	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	6997-5355	째C
Density	0962-8676	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)
STR616 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