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Z30 Application:ultra-particulate carbide

Category	Type	Steel grade	Standard	Country
Grades	Special Alloy	Z30	JIS	Japan

Chemical composition % of the ladle analysis of grade Z30

W(%)	Co(%)	Other(%)
75-90	10-25	Ti,Ta(Nb)(%):0-3②

Z30
Hardness quartile HRA:88.5
Bending strength frequency/MPa:1668

Mechanical properties of grade Z30

Proof strength Rp0.2 (MPa)	Tensile strength Rm (MPa)	Impact energy KV (J)	Elongation at fracture A (%)	Reduction in cross section on fracture Z (%)	As-Heat-Treated Condition	Brinell hardness (HBW)
332 (≥)	456 (≥)	43	21	14	Solution and Aging, Annealing, Ausaging, Q+T,etc	212

Physical properties of grade Z30

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	Expansion rate
527 (≥)	143 (≥)	31	22	12	Solution and Aging, Annealing, Ausaging, Q+T,etc	433
Temp. °C/°F	Creep strain limit (10000h) (Rp1,0) N/mm2	Creep rupture strength (10000h) (Rp1,0) N/mm2
151	173	561

Z30 Range of products

Product type	Products	Dimension	Processes	Deliver Status
Plates / Sheets	Plates / Sheets	0.08-200mm(T)*W*L	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
Z30C13 Air 9160/C	JIS	Japan	wrought steels used in aeronautical constructions
X30WCrV9-3, 1.2581, Z30WCV9, H21	JIS	Japan	Tool steel for hot work with high content of tungsten according

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