ATI Firth Sterling - Tungsten Heavy Alloy and Tungsten Carbide Solutions For Industry.

Tungsten Carbide

Machining Cast Irons and
Non-Ferrous Alloys,
Woodworking Grades
Steel Cutting Grades
Metalforming Grades
Mining and Construction Grades
Special Wear Applications
Oil/Gas Exploration and Mining
Grades

Tungsten Heavy Alloy

Tungsten Heavy Alloy Grades

MSDS Information

	Material Safety Data Sheet for Tungsten Carbide

	Material Safety Data Sheet for Tungsten Heavy Alloy

Category: Grades / Machining Cast Irons and Non-Ferrous Alloys, Woodworking

Grade	Average WC Grain Size (µm)	Industry Class.	Binder Content (wt. %)	Hardness (HRA)	Density (g/cm3)	TRS (1000 psi)	Typical App.
HU6C	< 1.0	C2 K05 – K20 M10 – M20	6.0 Co	92.7	14.90	500	Turning of high strength aerospace alloys (nickel-, iron-, and cobalt-based high temperature alloys, titanium alloys), turning of refractory metals (tungsten, molybdenum, zirconium), turning of gray cast iron, turning and milling aluminum alloys. PWA approved.
HTA	1 - 2	C2 K10 – K30	5.5 Co 4.0 (Ta,Nb)C	92.3	14.90	300	Turning, facing, boring, and milling of high temperature alloys
HA	1 - 2	C2 K10 – K30	5.5 Co 1.0 (Ta,Nb)C	92.4	14.90	275	General purpose C2 grade for machining cast iron, non-ferrous alloys, wear applications.
H21 (FK20M)	1 - 2	C2 K10 – K35	6.0 Co	92.0	14.90	325	General purpose C2 grade. Recommended for brazed tool applications in non-ferrous machining and woodworking. C2 milling substrate.
FR8	0.5	C3 K01 – K10 M05 – M15	8.0 Co	93.7	14.70	550	Ultrafine submicron grade meant for machining of high strength materials
HU8 (FK20F)	< 1.0	C2 K05 – K30	8.0 Co	92.9	14.70	510	Turning and milling of gray cast iron, aluminum- and titanium-based alloys
FR10	<1.0	C2 K20 – K30 M25 – M40	10.0 Co	91.9	14.45	540	Premium round tool grade for machining high strength aerospace alloys. Meets GEAE Spec. # 4013366-188.
H17	<1.0	C2 K20 – K35 M25 – M40	10.0 Co	91.7	14.45	550	Premium general purpose grade for round tools (drills, endmills, etc.). PWA approved.
H91 (FK40B)	1 - 3	C1 / C11 K35 – K50	11.0 Co	89.7	14.30	380	Heavy duty milling grade for machining at low speeds and interrupted cuts.
FR12	0.5	C3 K15 – K25 M10 – M25	12.0 Co	92.7	14.25	575	Ultrafine submicron grade for machining high strength materials. Tougher version of FR8.
HU12	<1.0	C2 K30 – K50 M25 – M40	12.0 Co	91.8	14.25	525	Rough turning and milling gray cast iron, turning steels at slow speeds
H81	1 - 2	C1 / C11	13.0 Co	88.6	14.15	450	Tougher version of H91
FR15	<1.0	C2 K40 – K50	15.0 Co	90.8	14.00	560	High strength, high toughness grade for round tools (substitute for high speed steel)