| Chemical composition |
| Material |
C |
Si |
Mn |
P |
S |
Ni |
Cr |
Mo |
| 420 |
0.26-0.35 |
≤1.00 |
≤1.25 |
≤0.04 |
≤0.03 |
≤0.60 |
12.0-14.0 |
- |
| 420C |
0.36-0.43 |
≤0.80 |
≤0.80 |
≤0.04 |
≤0.03 |
≤0.60 |
12.0-13.5 |
- |
| 440 |
0.90-1.00 |
≤0.80 |
≤0.80 |
≤0.04 |
≤0.03 |
≤0.60 |
16.0-18.0 |
0.4-0.7 |
| 440C |
0.95-1.10 |
≤0.80 |
≤0.80 |
≤0.04 |
≤0.03 |
≤0.60 |
16.0-18.0 |
0.4-0.7 |
FAQ
1.Can you provide sample free?
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?
We pride ourselves on the exceptional quality of our steel balls. Our commitment to delivering top-tier products is evident throughout the entire manufacturing process. Every steel ball undergoes rigorous scrutiny, with a comprehensive 100% inspection conducted before shipment. Rest assured, our dedication to quality assurance ensures that you receive products of the highest standard.
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.
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