Wear-resistant High Chrome Cast Grinding Balls with High Hardness and Top Quality

Wear-resistant High Chrome Cast Grinding Balls with High Hardness and Top Quality System 1

Wear-resistant High Chrome Cast Grinding Balls with High Hardness and Top Quality System 2

Wear-resistant High Chrome Cast Grinding Balls with High Hardness and Top Quality System 3

Wear-resistant High Chrome Cast Grinding Balls with High Hardness and Top Quality

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Loading Port:: Qingdao Port

Payment Terms:: TT or LC

Min Order Qty:: 25M.T. m.t.

Supply Capability:: 200000M.T./Year m.t./month

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Features of Wear-resistant High Chrome Cast Grinding Balls with High Hardness and Top Quality

1) In general, casting grinding ball has high hardness: surface hardness to55-68 HRC, volume hardness of 53-63 HRC;

2) impact toughness high: impact toughness more than 12 J / cm2;

3) broken rate is low: the actual broken rate is not higher than 1%;

4) loss of grinding forged steel ball round rate is 50-300g/ton

Physical Property of Wear-resistant High Chrome Cast Grinding Balls with High Hardness and Top Quality

Model	Hardness(HRC)		Impact Test(Ak.J/cm²)	Endurance Test Times(5m)	Microstructure
Model	Quenching	Unquenching	Impact Test(Ak.J/cm²)	Endurance Test Times(5m)	Microstructure
High Chrome	≥60	≥50	≥4	≥12000	M+C
Medium Chrome	-	≥48	≥3	≥10000	P+C
Low Chrome	-	≥46	≥2	≥8000	P+C

Specification of Wear-resistant High Chrome Cast Grinding Balls with High Hardness and Top Quality

Nominal Diameter		Diameter Tolerance	Weight of Single Ball In Average	Numbers of Per Ton Ball In Average
(mm)	(Inch)	(mm)	(g)
20	0.75’’	+2 -1	32	31250
25	1’’		64	15625
30	1.25”		110	9090
40	1.5’’		263	3802
50	2’’		513	1949
60	2.5’’	+3 -2	888	1126
70	2.75		1410	709
80	3.25’’		2104	475
90	3.5’’		2996	333
100	4’’		4110	243
110	4.5’’	+4 -2	5457	182
120	4.75’’		7102	140
130	5’’		9030	110
140	5.5’’	+4 -3	11278	88
150	6’’	+4 -3	13871	72

High chrome cast balls Size: 20mm-120mm

Hardness:HRC58-65; Chrome content:11-14%

Low chrome cast balls Size: 20mm-120mm

Hardness:HRC45-55; Chrome content:1-3.5%

Wear-resistant High Chrome Cast Grinding Balls with High Hardness and Top Quality

Q: What are the casting parts used to test shrinkage holes?: 1. anatomy. It is easy to slack off by sawing and machining.

Q: our factory now produces steel castings in the use of polishing directly after spraying processing, but the powder sprayed 15But the spray powder touched off what is the reason we are not very strict requirements not only need to peel off bubbles can also, because our products are steel castings so we use steam hole sludge put on. Do not know if this spray treatment has no effect to thank friends with us!: You oily sludge!Is not the general market on the soil?If it isPlease use two groups of chemicals to reinforce the soilOr suggest your company?Do the putty or paint film after doingThat's better

Q: Domestic large steel castings factory which is better, recommend!: Do the casting manufacturer of large steel castings, Hunan Jinsha heavy industry science and technology limited company, heard that their professional only more than 1 tons of steel castings, anyway, 150T just big, the company won a lot of foundry industry patents should be good. At least spend money on research and development, then the quality should be all right.

Q: How to cast iron and wrought iron collocation: So we can only watch and ear distinction: 1, see: Iron fracture is rough, showing a bead (for the sake of coarse grain iron), and wrought iron fracture is generally more smooth; if this is a new fracture, but also to see the dark and shiny born iron wrought iron pig iron is bright; the fracture is generally irregular, because it is very brittle, mostly is interrupted, (which is processed, it is very flat and wrought iron) must not be interrupted, mostly by certain way processed separately, so the fracture is generally neat; if the fracture is that is cutting, wrought iron, iron is not cutting; iron surface will not have pores, familiar iron porosity; if a piece of iron is a significant deformation (bending) that is wrought iron because of poor plasticity It doesn't have to be so deformed, it's really bent, or it's broken, or it's obviously cracked, and it doesn't bend very much. There are some details that can not be made clear. It is necessary to have some experience.

Q: For example, casting parts contain many holes, inclusions and other defects, the size and the number of holes exceed which limit is not qualified: According to the grade of the parts, according to the relevant standards, the regular drawings will be noted in the technical requirements of the parts.

Q: What is the casting material?: Kdl1588n said in detail, casting a lot of material, steel, iron, aluminum, copper, zinc, etc. can be, valuable, as well as gold and silver, the most common on cast steel and cast iron, cast aluminum and so on.

Q: As shown, how do I achieve the tightness test of this product, and achieve industrial production? Seek expert advice.: Precise and tight sealing of the surface to which the test piece is to be tested, equipped with an airtight test instrument, and an electrical control system. You can complete automated testing equipment

Q: What are the general technical requirements for casting parts?: According to the national standard GB/T 9438, there are 8 aspects: 1. chemical composition; 2. delivery status; 3. mechanical properties; 4. dimensional tolerances; 5. weight tolerances; 6. appearance quality; 7. internal quality; 8. casting salvage.

Q: When the blank is a casting, the margin is evenly distributed, how should rough machining?Please help friends from mechanical classes.There is another problem: in the NC milling plane contour machining, when the rough margin is large, how to deal with.Who can help in time, add 20 reward. Urgently!!: Personal advice:Because of the large margin, your outline is easy to guarantee;So the key is to consider the assembly and aesthetics of the casting. You have to find the machining criteria;Rough the datum so that it can be machined;After the outline, turn back to the finishing line.If the casting requirement is not high, the benchmark can be directly processed; (not recommended)Over

Q: In the design of casting steps and precautions, for casting design, we have what experience?.: (3) to prevent generating white grey cast iron, in addition to taking measures from the process, must make the wall thickness is not too thin (some sources indicate that the corner wall thickness above 15mm, metal type casting must be in the corner, for Aluminum Alloy, magnesium alloy casting casting casting Create fillet should not be less than 3-4m, for casting round cast iron, copper alloy mould casting can see table 1.1-32 selection; (5) because of the metal and the core without let, for the convenience of the casting is taken out and the draw out type, slope casting casting should be suitably large than sand casting metal casting. General 30%-50%, it should be pointed out that in addition to the height of the slope of casting size and alloy type, wall, is also related to the casting surface position, where the cooling and contraction and metal surface of casting surface can be designed from the tendency of small inclination, while casting shrinkage tend to be pressed on the surface of metal castings the type should be given greater inclination, all kinds of metal type alloy casting casting casting.

Grinding King are leading manufacturer and professional exporter of grinding media balls in China.with the annual output of 50,000 to 70,000 metric tons.Our products grinding media balls are mainly exported to more than 20 countries and regions in the world, such as Japan,Korea,Africa,Zambia,Malaysia,Phillipines,Indonesia,Mongolia,Australia,UAE,Chile etc.

1. Manufacturer Overview

Location	Shandong, China
Year Established	2000
Annual Output Value	Above US$100 Million
Main Markets	Africa; Mid East;South Asia;Southeast Asia;Eastern Asia;Southern Europe
Company Certifications	ISO9001;IS014001 Certificate

2. Manufacturer Certificates

a) Certification Name
Range
Reference
Validity Period

3. Manufacturer Capability

a) Trade Capacity
Nearest Port	Qingdao Port; Tianjin Port; Shanghai Port
Export Percentage
No.of Employees in Trade Department	6-10 People
Language Spoken:	English；Chinese；
b) Factory Information
Factory Size:	Above 40,000 square meters
No. of Production Lines	Above 10
Contract Manufacturing	Grinding Ball; Grinding Rod; Cylpeb; Grinding Media; Ball Mill Ball
Product Price Range	Average