**K30**Application:Carbide for cutting tools
Category	Type	Steel grade	Standard	Country
Grades	Special Alloy	K30	JIS	Japan

Chemical composition%of the ladle analysis of gradeK30

W(%)	Co(%)	Other(%)
89-94	6-11	Ti,Ta(Nb)(%):0-3

K30
Hardness quartile HRA: 88
Bending strength frequency/MPa:1471

Mechanical properties of gradeK30
Proof strength R_p0.2(MPa)	Tensile strength R_m(MPa)	Impact energy KV(J)	Elongation at fracture A(%)	Reduction in cross section on fracture Z(%)	As-Heat-Treated Condition	Brinell hardness(HBW)
191(≥)	771(≥)	24	11	42	Solution and Aging,Annealing,Ausaging,Q+T,etc	314

Physical properties of gradeK30
Property	Density kg/dm3	Temperature T °C/F	Specific heat J/kgK	Thermal conductivity W/mK	Electric resistance µΩ·cm	Modulus of elasticity kN/mm2
673(≥)	289(≥)	23	11	13	Solution and Aging,Annealing,Ausaging,Q+T,etc	321
Temp. °C/°F	Creep strain limit (10000h) (Rp1,0)N/mm2	Creep rupture strength (10000h) (Rp1,0)N/mm2
565	172	984

K30Range of products
Product type	Products	Dimension	Processes	Deliver Status
Plates/Sheets	Plates/Sheets	0.08-200mm(T)WL	Forging,hot rolling and cold rolling	Annealed,Solution and Aging,Q+T,ACID-WASHED,Shot Blasting
Steel Bar	Round Bar,Flat Bar,Square Bar	Φ8-1200mm*L	Forging,hot rolling and cold rolling,Cast	Black,Rough Turning,Shot Blasting,
Coil/Strip	Steel Coil/Steel Strip	0.03-16.0x1200mm	Cold-Rolled&Hot-Rolled	Annealed,Solution and Aging,Q+T,ACID-WASHED,Shot Blasting
Pipes/Tubes	Seamless Pipes/Tubes,Welded Pipes/Tubes	OD:6-219mm x WT:0.5-20.0mm	Hot extrusion,Cold Drawn,Welded	Annealed,Solution and Aging,Q+T,ACID-WASHED

Cross Reference Table(Equivalent Grade)
Grade	Standard	Country	Application
K30960	JIS	Japan	K30960

Relevant products

Steel grade	Dimension	Shape	Unit	Quantity	Delivery state	Query
UNS K30960(VIM+ESR) Bright Round Bar	Dia.22mm	Round Bar	Kgs	50	Hot-Rolled+Annealed+black	Enquiry

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