China HRC52-55 3Cr13/30cr13 Miniature Magnetic Ball Metal Stainless Steel Ball Used for Bike Bearings, Find details about China Steel Balls, Metal Ball from HRC52-55 3Cr13/30cr13 Miniature Magnetic Ball Metal Stainless Steel Ball Used for Bike Bearings
Grade | G10~G1000 |
Size Range | 4.763mm-45mm |
Packing | wooden case/drum |
Transportation | UPS/FEDEX/DHL/BY OCEAN/BY AIR |
Certificate | IATF 16949 |
Application | bearings, valves, lighters and writing instruments |
Sample | Free |
Warranty | 2 years |
Changzhou Eurasian Steel Ball Co.Ltd | ||||||||
AISI 420/420C Stainless steel ball | ||||||||
Material Specification | 420 | 420C | ||||||
C | 0.42-0.50 | C | 0.36-0.45 | |||||
Si | 1.00 max | Si | 0.60 max | |||||
Mn | 1.00 max | Mn | 0.80 max | |||||
P | 0.040max | P | 0.040 max | |||||
S | 0.030 max | S | 0.030 max | |||||
Ni | 1.00 max | Ni | 0.60 max | |||||
Cr | 12.5-14.5 | Cr | 12.00-14.00 | |||||
Mo | -- | Mo | -- | |||||
Cu | 0.30 max | Cu | -- | |||||
Mechanical Properties | Tensile Strength | Specific Weight | ||||||
275,000 psi | 0.280 lbs/cu in | |||||||
Size Range | 0.8mm(1/32") to 63.5mm(2-1/2") | |||||||
Hardness | HRC52~55 | |||||||
Grade | G10~G1000 | |||||||
Physical Property | Corrosion resistance | Fair | ||||||
Magnetic | Yes | |||||||
Application | Type 420 balls are found in bearings, valves, lighters and writing instruments. | |||||||
Material Conversion | ASTM/AISI | DIN | YB | JIS | ||||
420 | 1.4028 | X30Cr13 | 3Cr13 | SUS420J2 |
FAQs | ||||
1. Are you trading company or manufacturer ? | ||||
We are ball manufacturer located in Changzhou, near the shanghai port. | ||||
2. How long is your delivery time? | ||||
We usually take 30-50days for production after the confirmation of PO. And we also keep some stocks for the usual size. | ||||
3. Do you provide samples ? is it free or extra ? | ||||
We provide free samples from our exsist stocks, when the required samples is missing, we can provide a similar one for sampling inspection. We don't handle the freight charge for customer. | ||||
4. How do you guarantee the quality? | ||||
We face a constant customer audit regarding the production process in order to reach a continuos improvement,we perform random inspections during every production process and 100% inspection with finished balls in different method, such as roller sorting for size mixing and large defects, electric phtographifc inspection for small surface defects. | ||||
5. How do you make business and relationship with your customer? | ||||
We try to treat our customer as friend, always take care of customer's concern and share all the related information with our customers, give full support to our customers in case of any kind of situation. |