China 177.8 mm Large Metal Spheres (not hollow), Find details about China Carbon Steel Ball, Low Carbon Steel Ball from 177.8 mm Large Metal Spheres (not hollow)
Low Carbon Steel Ball AISI1010 | ||||||||||||
1. Material | AISI1010/AISI1015/C15/1.0413/JIS SWRM 12/EM32 ASTM A/29 | |||||||||||
2. Size Range | 1mm-180mm | |||||||||||
3. Grade | G40-1000 | |||||||||||
4. Hardness | 60min. HRC(Surface-hardened) | |||||||||||
5. Characteristic | (a)Casehardened surface balls and low hardness core (b)Superficial hardness (c)Low resistance to corrosive attack | |||||||||||
6. Magnetic | Yes | |||||||||||
7. Application | Low quality bearing, oiler, roller, sliding block.... | |||||||||||
8. Chemical composition | ||||||||||||
C% | Si% | Mn% | Cr% | Ni% | Mo% | P% | S% | AI% | Cu% | |||
min. | 0.12 | --- | 0.30 | --- | --- | --- | --- | --- | --- | --- | ||
max. | 0.17 | 0.30 | 0.60 | 0.02 | 0.25 | 0.05 | 0.035 | 0.035 | 0.01 | 0.30 | ||
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. |
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. |