



Chemical composition | ||||||||||||
Material | C | Si | Mn | P | S | Cr | ||||||
52100 | 0.95-1.05 | 0.15-0.35 | 0.25-0.45 | 0-0.025 | 0-0.020 | 1.40-1.65 |

2.Confrm material standards(GB,AISI,DIN,SUS,NF,BS,UNI,FOCT)
3.Comparison of other factors for reference
Material | 1. Carbon Steel Ball | 2. Chrome Steel Ball | 3. 3 Series Stainless Steel Ball | 4. 4 Series Stainless Steel Ball |
Price | 3>4>2>1 | |||
Hardness | 2>4>1>3 | |||
Precision Grade | 2=4>1>3 | |||
Rust Proof | 3>4>2>1 |




Yes ,we can provide free samples with in 0.5kg.
2.What kind of payment terms you can accept?
We can accept T/T,L/C, Western Union and Paypal.
3.What about your steel ball's quality?
Checking in the whole manufacturing process &100% inspection before shipment ensure the quality of our products.
4.What's your packing method?
A) Inner packing: Dry packing or oil packing are provided according to you needs.
B) Outer packing:
1)volatile rust preventive paper + poly bag + iron drum + wooden / iron pallet.
2)25kg poly bag + carton + wooden pallet or wooden box.
3)customized packing.
5.What's your delivery time?
Within 3-30 days according to your required size and quantity.
6.Is your steel ball competitive?
Yes, We are steel ball manufacture more than 30+ years.