China 8mm 440 Demagnetization Stainless Steel Ball for Bicycle Parts, Find details about China 8mm Stainless Steel Ball, 440 Demagnetization Balls from 8mm 440 Demagnetization Stainless Steel Ball for Bicycle Parts
Stainless steel ball AISI 440C | |||||||
1. Material | AISI 440C/ SUS 440C/ Wks 1.4125 | ||||||
2. Size Range | 1mm-180mm | ||||||
3. Grade | G10-1000 | ||||||
4. Hardness | HRC 57-60 | ||||||
5. Characteristic | (a)Maximum hardness with good coorosion resistance to fresh water. (b)Ferro-magnetic | ||||||
6. Magnetic | Strong | ||||||
7. Application | Valves, special bearings, ball pen application with moderate aggressive atmosphere | ||||||
8. Chemical composition | |||||||
C% | Si% | Mn% | Cr% | Mo% | P% | S% | |
min. | 0.95 | --- | --- | 16.0 | 0.4 | --- | --- |
max. | 1.2 | 1.00 | 1.00 | 18.0 | 0.8 | 0.04 | 0.015 |
9.Packing | Standard: 10kg or 20kg per carton, 1 ton per pallet or as customer required | ||||||
10.Conditioning | dry or oiled | ||||||
11.Delivery time | Stock within a short time or 35 days. | ||||||
CHANGZHOU HUARI STEEL BALL CO., LTD. |
Item | Name | Material |
1 | Stainless Steel Ball | AISI304/304L/316/316L/420/420C/440C |
2 | Chrome Steel Ball | AISI 52100/ 100Cr6/ Gcr15/ SUJ2 |
3 | Carbon Steel Ball | AISI1010/1015/1086 |
4 | Brass/Copper Ball | H62/H65 |
5 | Aluminum Ball | 5050/7A03 |
6 | Torlon Ball | 4203/4301 |
7 | Coated Ball | gold nickel zinc copper |
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. | |||
Step 3 heat treat | Heating balls to a high temperature in furnace and quenching balls in a liquid bath. | |||
Step 4 rough grind | 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. | |||
Step 7 packaging | The balls are packaged in accordance with customer specifications for shipping. |
Material | Carbon, chrome, stainless, aluminium, copper, brass and so on. |
Size range | 0.8mm-150mm |
Grade | G10-1000 |
Packing | Standard or as customer required |
Delivery | Stock within a short time or 35 days |