High Precision Bulk 20 25mm Bearing chrome Steel Balls for seat slide
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- Supplier: Yuncheng Kangda Steel Ball Co. Ltd
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Product Overview
Description
High Precision Bulk 20-25mm Bearing chrome Steel Balls for seat slide
High Precision Bulk 20-25mm Bearing chrome Steel Balls for seat slide
Company Information
Yuncheng Condar Steel Ball Co. Ltd. was founded in 1998, has a long history in the town of Shandong, Yuncheng water margin!
Condar steel ball factory has introduced many advanced steel production and testing equipment, which greatly improve the production efficiency and product quality, to provide more high quality steel for the new and old customers, the main specifications are 0.3MM--200.0MM, the main models of stainless steel ball bearing, steel ball, chrome steel ball, steel ball drilling, plating ball, micro ball large ball, and so on.
Product Description
Area of Application:
It is usually used in bicycle,bearings,motos,autos,sliding rail,ISB,bags,electronic industry and so on.
Feature:
High speed
Low price
High hardness,HRC:60-66
Gcr15,AISI52100 chrome steel ball's chemistry and physics composition
| C | 0.95-1.10% |
| Si | 0.15-0.35% |
| Mn | 0.50% Max |
| P | 0.025% Max |
| S | 0.025% Max |
| Cr | 1.30-1.60% |
Photos show
Packaging & Shipping
Packing Details :Carton packaging, woven bag, carton + tray, drum, or according to customer requirements packaging
Delivery Details : 3-5 days after order ,According to the order quantity
Production process
Steel ball detection
Steel ball hardness test
Steel ball is generally used Rockwell hardness tester to detect hardness, multi use HRC+ value to express.
1. Bearing steel ball hardness is generally HRC60-66;
2.stainless steel ball hardness is generally about HRC26;
3.carbon steel ball hardness is generally HRC55-65;
4.soft carbon steel ball hardness is about HRC30;
Steel ball roundness tester
G5, G10 high precision steel ball is mainly to measure the degree of ellipticity, that is, the ball spherical error, mainly with a roundness meter to detect. Through its measurement, the computer can draw a very accurate trajectory, so as to determine whether or not the ellipticity.
Digital micrometer measurement
Steel ball is the most important measure of the size of the tolerance with a micrometer, or with a spiral micrometer detection, large steel ball with vernier caliper to measure;
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