Customization: | Available |
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Customized: | Customized |
Certification: | ISO, IATF16949 |
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Shandong Foison International Trade Co.,Ltd
Shandong Foison International Trade Co.,Ltd mainly produce stainless steel balls(440C,304,316L,420,201), we also produce carbon steel balls(1015,1045,1085), bearing steel balls(GCR15),copper balls, glass balls, titanium balls, flying saucer balls, polishing balls and other kinds of hard alloy balls. The product specification is complete. We produce balls according to the GB308-2002 standard and measure up to the international standard of ISO3290-1998,AFMBA1989 and DIN5401-93. We have the ability to provide many kinds of steel balls which accuracy range is level G10-level G1000. The brand "Foison" is trusted deeply by the customers. Our products have been widely applied in the hardware goods which form a complete set for the aviation and spaceflight industry, automobile trade, sprayer, stainless steel bearing, handicraft and precision instrument.
Stainless steel ball AISI 440 | ||||||||
1. Material | AISI 440/ SUS 440 | |||||||
2. Size Range | 1mm-180mm | |||||||
3. Grade | G40-1000 | |||||||
4. Hardness | 25-39 HRC | |||||||
5. Characteristic | (a)Good resistance to corrosion (b)Apply in where material toughness and resistance to corrosion are more important than hardness (c)Good corrosion resistance in the food environment, oxidizing solutions and most organic chemicals |
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6. Magnetic | Much little | |||||||
7. Application | Valves, finger pumps, Aggressive applications without mechanical efforts |
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8. Chemical composition | ||||||||
C% | Si% | Mn% | Cr% | Ni% | P% | S% | N% | |
min. | --- | --- | --- | 17.0 | 8.0 | --- | --- | --- |
max. | 0.07 | 1.00 | 2.00 | 19.5 | 10.5 | 0.045 | 0.015 | 0.11 |
9.Packing | Standard: 10kg or 20kg per carton, 1 ton per pallet or as customer required |
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10.Conditioning | dry or oiled | |||||||
11.Delivery time | Stock within a short time or 35 days. | |||||||
Shandong Foison International Trade Co.,Ltd |
Manufacture process of steel balls | ||||
Step 1 Heading | Balls blanks are cold headed from rolls of wire. | |||
Step 2 Flashing | Rolling balls between two hard alloy plates to removes the slight band and small protrusions. |
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Step 3 Heat Treatment |
Heating balls to a high temperature in furnace and quenching balls in a liquid bath. | |||
Step 4 Rough Grinding |
Rolling balls between the face of a fixed iron plate and a very hard fire-grit grinding wheel. Then rolled the hardened ground balls between two cast iron plates. | |||
Step 5 Cleaning | The final production operation cleans the finished balls and adds a shiny luster. | |||
Step 6 Final Inspection |
Balls are gauged, visually inspected and subjected to other quality tests to insure every customer's specifications are achieved. |
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Step 7 Packaging | The balls are packaged in accordance with customer specifications for shipping. |
Packaging
A. Steel Drum packing
1) 250kg per steel drum;
2) Four steel drums in one pallet;
3) Drum with pallet size: 75CM*75CM*65CM.
B. Plywood Box packing
1) 40 cartons/woven bag in one plywood box;
2) Plywood box size:80CM*65CM*80CM.
C. Recommended to use 20"FT container, Maximum loading capacity of 24 tons.
D. 20"FT container loading of 24 tons Total: 24 Plywood Box or Drum.
Shipping
Shipping time: It will takes about 20-25days if by sea, It will takes about 5-7days if by air,By DHL,UPS,FEDEX,TNT,It will takes about 4-6 working days except festival and holiday.
1.If the quantity of order is not very big, we will send them to you by express delivery, such as TNT,DHL,UPS or EMS etc.
2.If order is big, we will advise you use Air Freight or Sea Freight. It through your pointed forwarders freight. FOB port is Ningbo or Shanghai.
3.If you don't have your specified forwarders freight, we can find the cheapest forwarders freight to ship the goods to your point port.
4.The balance payment should be paid before delivery to you.
ISO 9001 & IATF16949 of our own factory named-Huatong