Standard Qaulity Ferromolybdenum FeMo Mo60

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Specifications

Best price Ferro Molybdenum ( FeMo )used for steel making and foundry
Spec.:Cr:60% min c:0.1% max
Size:10-50mm,90% min4

Best price Ferro Molybdenum ( FeMo )

1. Commodity: Low carbon ferro chrome
2. Spec.:Cr:60% min c:0.1% max
Size:10-50mm,90% min4

Ferro-Molybdenum

Chemical Compositions(GB/T3649-1987)

HS 2000: 720270 Ferro Molybdenum
Chemical Analysis-FeMo
Mo 65 to 70%
Cu max 0. 5%
P max 0. 05%
S max 0. 12%
Si max 1. 2%
C max 0. 05%

Brand	Chemical Compositions (%)
	Mn	Si	S	P	C	Cu	Sb	Sn
	Mn	≤
FeMo70	65~75	1.5	0.10	0.05	0.10	0.5	-	-
FeMo70Cu1	65~75	2.0	0.10	0.05	0.10	1.0	-	-
FeMo70Cu1.5	65~75	2.5	0.20	0.10	0.10	1.5	-	-
FeMo60-A	55~65	1.0	0.10	0.04	0.10	0.5	0.04	0.04
FeMo60-B	55~65	1.5	0.10	0.05	0.10	0.5	0.05	0.06
FeM0o60-C	55~65	2.0	0.15	0.05	0.20	1.0	0.08	0.08
FeMo60	≥60	2.0	0.10	0.05	0.15	0.5	0.04	0.04
FeMo55-A	≥55	1.0	0.10	0.08	0.20	0.5	0.05	0.06
FeMo55-B	≥55	1.5	0.15	0.10	0.25	1.0	0.08	0.08

Notes: High Quality Ferro-molybdenum alloy should be delivered in lump whose size range is from 10 to 150mm. the quality of this product whose particle size range is less than 10mm×10mm should not exceed 5% of the total quality of this product.

FACTORY:

Standard Qaulity Ferromolybdenum FeMo Mo60

Q: YW1 what do you mean by "YW" in carbide cutter head?: Y represents the metallurgical (Yejin) Department standard. W stands for universal (Wanneng) alloy

Q: What are the differences between the two grades of carbide, YT15 and YT5?: YT15 is compared to YT5. The former has high hardness, great brittleness and good wear resistance. The latter is low in hardness, tough in toughness and poor in wear resistance. YT5 is often used for roughing or machining, impact cutting, and YT15 is usually semi finishing and finishing.

Q: Chengdu which has carbide scrap acquisition point?: Bars of 75000 yuan / kg (Fu Xujian) Zhejiang Zhoushan self-employed waste tungsten 150-200 yuan / kg, Hebei Hengshui Gucheng County Sindh rare metals tungsten tailings 100-300 yuan / ton Guangzhou lechran gold bars 1200 yuan / kg, Zhengzhou Zhengzhou Hongsen tin small PCB tungsten steel drill 160-190 yuan / kg in Zhejiang Taizhou

Q: The existing 60*60 standard cast iron plate, above 3 hard alloy welding specifications, probably in the 30*30, in which the appropriate welding method, know the friends willing to enlighten ah, thanks in advance.Some friends have said the binder is a copper brazing, the basic can be settled. As far as I know, many methods such as welding, high frequency welding, oxygen welding, I want to find a kind of welding method. The key is to understand the trouble with us, surface and surface welding: Welding hard alloy is the most used for brazing, welding of copper wire.

Q: What are the parameters of the wear resistance of cemented carbides in addition to their hardness?: The wear resistance of cemented carbide is related to the proportion of titanium carbide and cobalt carbide contained in it. It contains more titanium carbide, less cobalt content, higher hardness and better wear resistance. But brittleness also increases, easy to break the edge, so it is suitable for finishing.

Q: I would like to use carbide cutting tools, car work, ordinary A3 steel or 45 steel, lathe speed to play more appropriate, the workpiece surface quality is better?: The surface quality is good, the blank diameter is 50MM. Can play around eight hundred rpm.When the car is refined, 1200r/min

Q: What is the heat treatment process of cemented carbide?: The common heat treatment process of steel bonded carbide is spheroidizing annealing, quenching and tempering.1, spheroidizing annealing die steel bonded carbide matrix is steel, as the alloy tool steel, need to be spheroidizing annealing treatment, can machine processing. The process of spheroidizing degradation is: heating 850~890 DEG C, holding 4h, and cooling the furnace to about 730 DEG C, holding 6h, the furnace is cold, and the air cooled below 500 degrees centigrade,2, the purpose is to make the quenching matrix transforms into martensite, obtain high mechanical properties, due to poor thermal conductivity, preheating, hard steel bonded carbide in carbide phase of austenite grain growth to deter, and the dissolution of carbide in the matrix alloy, iron and hinder the diffusion of carbon atoms, of austenite the grain growth plays an inhibitory effect, so the steel bonded hard alloy quenching overheating less than alloy tool steel, quenching temperature can be higher, the time may be longer, usually for WC type steel bonded hard alloy, quenching temperature of 1020~1050; for TiC type steel bonded hard alloy, quenching temperature is 950~1000 DEG C; G type steel bonded cemented carbide phase with high speed steel, quenching temperature of 1200~1280.3, steel bonded hard alloy die after quenching tempering should be timely, especially the large die should be timely, in order to eliminate quenching stress, prevent mold cracking, while tempering can adjust the organization to obtain the mechanical properties required, tempering temperature often take 180~200 C, 2h insulation, high toughness, high temperature tempering can be used as 500~650 C, but the need to avoid the brittle temperature zone at 250~350 DEG C, high temperature tempering, the carbide precipitation and residual austenite transformation, there will be two hardening, but high temperature tempering will cause precipitation of lead carbide link impact toughness decreases.

Q: Would you like to ask me if the hard alloy can be polished with ordinary metallographic sand paper? Well, what kind of sandpaper does it usually start with? Thank you!: First of all, is the alloy itself if there are problems, product patterns, mainly to see the pattern is a kind of form, if a cluster or cluster, is generally the product of carburizing, such products also have a feature in 40 times under the anatomical microscope observation, can see the concave point, the because the graphite particles in the grinding conditions, free C from the alloy caused by the desquamation of this kind of products, should not be a problem after carburizing burnback.

Q: Can YG813 carbide cutters be used for cutting stainless steel intermittently? How much is the cutting speed?: YG type alloy has good impact resistance, can be used to cut stainless steel, cutting speed 80m/min, heightening the concentration of emulsion about 8%, of course, if there is YW alloy better, wear-resistant, heat hardness and hardness are higher

Q: Import all carbide drill bit, mainly those brands: Good (maford), Kenna, Thomas, di tex, Sandvik, guhring general in the domestic production, the performance of discount.Now on the market is generally a bit alloy steel material whole bit, although the materials are the same, but due to the processing technology, various brands of product quality disparity. Imported and domestic alloy drills are also very different.Imported alloy bit usually adopts VHM micro grain hard alloy (ISO K40), the type of ultrafine particles (0.6 m) in the application of high performance drill and ordinary milling machine, the hardness and toughness of the ideal together.Take high quality alloy bit surface coating, such as chromium aluminum nitride (AlCrN) coating, the coating layer of coating, the thickness of 4 m, the micro hardness is up to 3200HV, the friction coefficient of 0.35, thermal stability up to 1100 degrees celsius. After coating, the drill color is bluish gray.After coating, the alloy drill can process low alloy steel and high strength steel. High steel can reach 54HRC.

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