Tungsten Carbide Alloys

Tungsten carbide, referred to hard metal, known for its exceptional combination of hardness and abrasive resistance. Tungsten Carbide Hard Metals are primarily produced using a Powder Metallurgy process, whereby the powdered forms of tungsten carbide and cobalt are mixed using ball mills, a binder material is added to hold the powders together during the next stage of the pressing. The hardness of Tungsten carbide can be up between 8.5 and 9, coming in behind diamonds at a solid 10.

According to the different alloy content and heat treatment in the manufacturing process, Tungsten carbide can be divided into different series. The A and D series (A-2, D-2, etc) contain more chromium and are thus more wear resistant. The S series contain more silicon and are thus more shock resistant. The M and T series contain either more Molybdenum or Tungsten and so are high-speed steels, with much greater hot strength. All of these require substantially higher temperatures for hardening than O-1 and are not really suitable for home-shop hardening.

Areas of application

Tungsten Carbides have a wide range of application in many industry sectors known for their exceptional combination of hardness and toughness such as such as metal machining, wear parts for mining and oil industries, metal forming tools, cutting tips for saw blades and wedding rings, ball point pens and watch cases.

• Forming Dies, Forging Dies, Stamping dies;
• Cutting tools, Forming and machining tools;
• Construction and mining;
• Bio-medical.

 Material Corresponding

FAMILY	ASTM	EN	DIN	JIS	GB
COLD WORK STEEL	O1	100MNCrW4	1.2510	SKS3	9CrWMn
	A2	100CrMoV5-1	1.2363	SKD12	Cr5Mo1V
	D3	X210Cr12	1.2080	SKD1	Cr12
	D2	X155CrVMoV12.1	1.2379	SKD11	Cr12Mo1V1
HIGH SPEED STEEL	M2	6/5/2	1.3343	SKH51	W6Mo5Cr4V2
	M35	6/5/2+5%	1.3243	SKH55	W6Mo5Cr4V2Co5
	M42	2/10/1/8	1.3247	SKH59	W2Mo9Cr4VCo8
	T1	18/4/1	1.3355	SKH2	W18Cr4V
HOT WORK STEEL	H10	32CrMoV12-28	1.2365		4Cr3Mo3SiV
	H11	X38CrMoV5-1	1.2343	SKD6	4Cr5MoSiV
	H13	X40CrMoV5-1	1.2344	SKD61	4Cr5MoSiV1
	P20	40CrMnNiMo8-6-4	1.2311	SCM series	3Cr2Mo

 

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