Business Type: Manufacturer/Factory
Changzhou, Jiangsu, China
Changzhou Huari Steel Ball Co., Ltd is an ISO9001: 2015 and IATF16949: 2016 certified professional manufacturer of steel balls with experience of more than 30 years. We owns more than 500 sets advanced production equipment and more than 100 sets of testing devices to ensure the quality of the steel balls.
Custom service to meet our customers' needs are our core strength.
|Grade: G10 to G1000|
|Grade||ball diameter||spherical||surface||lot diameter||nomainal ball|
|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|
|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|
|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.|
|Packing||Standard or as customer required|
|Delivery||Stock within a short time or 35 days|