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K30 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of K30

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JIS K30

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This page is mainly introduced the K30 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of K30,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
K30
Hardness quartile HRA: 88
Bending strength frequency/MPa:1471

Steel Garde:K30
Type:Special Alloy
Country:Japan
Standard:JIS
Application:Carbide for cutting tools

Relevant products:

UNS K30960 Bright Round Bar

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
ASTM HK30	AISI	USA

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	472～484	σb/MPa
Yield Strength	443	σ 0.2 ≥/MPa
Elongation	92	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	985～527	-
HRC	30	-

Physical Properties

Thermal expansion	26-05	e-6/K
Thermal conductivity	40-34	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	5062-5281	째C
Density	1127-3221	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)
K30 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