Carbide Tools are made from tungsten carbide (WC) for superior hardness and wear resistance in demanding fastener manufacturing operations. CYC provides carbide dies, punches, and inserts that deliver extended service life and consistent dimensional accuracy in high-volume cold heading and forming processes.

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Carbide Tool Presented by CYC

Tungsten Carbide Grade Specification — CB Standard

Grade Series	Grade	WC (±0.5%)	Co (±0.5%)	Grain Size (μm)	Density (g/cm³)	Hardness (HRA)	TRS (kgf/mm²)	Compressive Strength (kgf/mm²)	Thermal Expansion (Cal/cm sec)	Impact Strength (kgf·m/cm²)	Thermal Conductivity (Cal/cm sec)
Metal Forming Tools	KG05	96	4	0.8-2	15.05	92.5	280	600	4.7	0.20	0.19
	KG1	95	5	1-2	15.00	92.0	310	590	4.8	0.26	0.19
	KG2	94	6	2-3	14.90	90.5	340	530	5.0	0.128	0.19
	KG3	91	9	2-3	14.61	89.3	350	500	5.2	0.52	0.17
	KG4	88	12	1-2	14.31	89.3	360	550	5.3	0.55	0.17
	KG5	88	12	2-3	14.31	88.3	350	470	5.4	0.58	0.17
	KG6	86	14	2-3	14.12	87.3	350	410	5.5	0.65	0.17
	KG7	85	15	1	13.95	89.3	380	420	5.8	0.70	0.17
Impact Resistant Forging Tools	ST6	85	15	3-6	13.80	86.0	270	370	5.6	0.78	0.16
	ST7	80	20	2-6	13.40	85.3	270	320	6.0	0.78	0.16
	EA65	82	18	2-6	13.75	85.0	300	380	6.0	0.80	0.16
	EA90	76	24	2-6	13.22	83.0	270	330	6.4	0.90	0.15
	VA70	85	15	3-6	14.02	85.0	270	370	5.6	0.78	0.17
	VA80	80	20	3-6	13.58	84.0	280	320	6.0	0.85	0.16
	VA90	78	22	6-9	13.39	82.5	240	310	6.2	0.90	0.16
	VA95	75	25	6-9	13.12	81.5	220	290	6.4	0.95	0.15
Non-Magnetic	NA10	91	9%Ni	0.8	14.40	91.7	280	400	5.2	0.20	0.17
	NA30	86	14%Ni	2-3	14.15	86.5	260	370	5.4	0.39	0.16
	NA70	80	20%Ni	2-3	13.60	82.0	240	330	5.8	0.55	0.16
ISO K Series	KR10	94	6	1	14.80	92.2	300	590	4.6	0.30	0.19
	KR15	93	7	1.5	14.75	91.8	300	50	4.7	0.33	0.18
	KR20	93	7	1.5	14.75	91.3	300	550	4.7	0.35	0.18
	SK25	93	7	1-3	14.80	90.2	300	530	4.8	0.45	0.18
Sub-Micron	WF03	95	5	≤0.6	14.80	94.0	360	600	4.6	0.20	0.19
	UF03	94	6	≤0.6	14.70	94.5	360	620	4.7	0.20	0.19
	WF05	93	7	≤0.6	14.50	93.0	360	620	4.7	0.20	0.19
	WF10	90	10	0.6	14.35	92.5	360	610	4.9	0.25	0.18
	WF15	90	10	0.7	14.35	91.8	380	580	5.2	0.30	0.18
	K200	90	10	0.7	14.40	91.5	380	580	5.2	0.30	0.18
	WF20	88	12	0.7	14.12	91.3	370	560	5.4	0.33	0.17
	WF25	88	12	0.6	14.12	92.5	380	570	5.5	0.35	0.16
	WF30	87	13	0.8	14.15	90.0	360	520	5.6	0.38	0.16
	WF40	85	15	0.8	13.95	90.0	360	500	5.8	0.40	0.15
Mining Tools	KE8	92	8	3-6	14.73	88.5	260	410	5.1	0.60	0.18
	KE9	91	9	3-9	14.61	87.8	260	400	5.2	0.67	0.18
	KE10	90	10	3-6	14.50	87.0	270	400	5.3	0.65	0.17
	KE11	89	11	3-9	14.42	86.5	270	390	5.4	0.72	0.17
	KE12	88	12	3-9	14.31	87.0	260	380	5.5	0.76	0.17
	KE13	87	13	6-9	14.22	85.5	280	360	5.6	0.80	0.17
	KE16	84	16	2-6	14.00	85.5	280	350	5.8	0.83	0.17
	KE18	82	18	6-9	13.75	83.5	270	320	6.0	0.85	0.17
Saw Tips	W05	97	3	0.6-0.8	15.05	94.5	260	600	4.4	0.20	0.20
	W2	97	3	1-3	15.08	93.0	280	600	4.5	0.20	0.20
	W3	95	5	1-3	14.90	92.0	280	580	4.6	0.30	0.19
	W4	94	6	1-3	14.80	91.0	310	550	4.7	0.35	0.18

Tungsten Carbide Grade Specification — CC Standard

C TYPE

Grade	Average Grain Size (μm)	Density (g/cm³)	Hardness (HRA)	Transverse Rupture Strength (Kgf/mm²)	Linear Expansion Coefficient (-°C)	Impact Strength (Kg/cm³)	Applications
C 01	1-2	15.00	90~90.5	300	5.0X10	0.26	Wire Drawing Die, Nozzle, Powder Moulding, wear-resistant Tool, Electronic tool.
C 02	1~3	14.90	89~90	320	5.2X10	0.28
C 03	1~3	14.61	88.5~89	330	5.8X10	0.62
C 27	3~7	14.00	85~85.5	270	5.6X10	0.80	Heat-resistant Die, Hot Forging Die
C 28	3~7	13.58	85~85.5	270	5.6X10	0.80	Stainless Steel Screw Die, Self-drilling Die
C 29	1~3	13.90	87.5~88	270	5.6X10	0.75	Cold Forging Die, Screw Die.

SL TYPE

Grade	Average Grain Size (μm)	Density (g/cm³)	Hardness (HRA)	Transverse Rupture Strength (Kgf/mm²)	Linear Expansion Coefficient (-°C)	Impact Strength (Kg/cm³)	Applications
SL55	2~3	14.30	87.8~88.3	350	5.8x10	0.70	Screw Die, Nut Die, Screw Triangle Die, Cutting Die, Impact Resistant Forging Tool, Punch Tool
SL65	2~6	13.74	86~86.5	300	5.8x10	0.80
SL75	3~6	13.43	84.7~85.2	280	6.0x10	0.82
SL85	3~6	13.30	83.5~84	270	6.0x10	0.82
SL95	6	13.35	82.3~82.8	250	6.0x10	0.85

E TYPE

Grade	Average Grain Size (μm)	Density (g/cm³)	Hardness (HRA)	Transverse Rupture Strength (Kgf/mm²)	Linear Expansion Coefficient (-°C)	Impact Strength (Kg/cm³)	Applications
E 36	0.5~1.5	13.85	86.5~87	290	5.6X10	0.80	Stainless Steel Cutting Die, Shock-resistance Tool
E 40	2~5	13.39	85.2~85.7	270	6.0X10	0.82	Stainless Steel Screw Die
E 55	7	13.35	82.3~82.8	250	6.3X10	0.95	Impact Resistant Forging Die

Rods Material Grade

Grade	Hardness (HRA)	Transverse Rupture Strength (Kgf/mm²)	The Percentage of Cobalt (%)	Average Grain Size (μm)
JH1	91.8	420	10	0.8
JH2	92	410	12	0.6
JH3	92.5	420	13	<0.6
JH4	92.2	400	12	0.6

Blanks Material Grade

Grade	Hardness (HRA)	Transverse Rupture Strength (Kgf/mm²)	The Percentage of Cobalt (%)	Average Grain Size (μm)
NC1	90	360	14	0.6~0.8
NC2	89	380	15	0.8~1.0
NC3	88	350	12	2.0~3.0

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