Good quality 420 G100 3/8" 9.525mm stainless steel ball for bearing

420 Stainless Steel Ball is a martensitic stainless steel ball with 12% Chromium which is sufficient to give good corrosive resistance properties. .It's best corrosive resistance is when hardened and surface is ground or polished. It has good ductility in the annealed condition but can be hardened up to 500HB (highest of the chromium grades) due to its excellent harden-ability, it is capable of getting hardened up to 50 HRC Rockwell or higher. Martensitic Grades are known for high hardness and allowances must be made for poor weld ability and usually allowances for a final harden and temper treatment. 420 steel is magnetic and welding is not recommended. Material will not pass the 72 hours salt bath test.

Application:
420 Stainless steel balls are widely used in:bearings, valves, motor, pulley, grinding materials, precision machinery, electrical equipment, transportation tools, Medical equipment, instrument, aerospace, hardware tools, toys and so on. 

Chemical composition (%)	C	Cr	Mn	Si	P	S
420	0.26-0.35%	12.0-14.0%	1.0% Max	1.0%Max	0.04%Max	0.03%Max

Detailed Images

Packing & Delivery

Delivery

Shipping time: It will takes about 20-25 days if by sea, It will takes about 5-7days if by air,

By DHL,UPS,FEDEX,TNT,It will takes about 4-6 working days except festival and holiday.

1.If the quantity of order is not very big, we will send them to you by express delivery, such as TNT,DHL,UPS or EMS etc.

2.If order is big, we will advise you use Air Freight or Sea Freight. It through your pointed forwarders freight. FOB port is Ningbo or Shanghai.

3.If you don't have your specified forwarders freight, we can find the cheapest forwarders freight to ship the goods to your point port.

FAQ

Q:Are you trading company or manufacturer ?
A: We are professional manufacture with our own indenpendent export rights.


Q:Where is your company address ?
A:Our production department and sales department are all in Shandong.


Q:What is your sample policy?
A: Yes, we could offer the sample for free charge but do not pay the cost of freight.


Q:Can you produce according to the samples?
A: Yes, we can produce by your samples or technical drawings.


Q:How long is your delivery time?
A: Generally it is 3-7 days if the goods are in stock. or it is 25-35 days if the goods are not in stock,it is according to the quantity.

Our Company

Shandong PT International Trade Co., Ltd is one of famous and professional ball factory from china .

We have two professional factory to produce steel ball ,one is in Shandong province(5000 square meters),other one is in Henan province (10000 square meters ).

We mainly produce stainless steel ball (201, 304, 316, 420,420C,440C,430). also produce chrome steel ball (AISI52100,100CR6,GCR15),carbon steel ball(1015,1010,1045,1085), copper brass balls, plastic ball,glass ball,Tungsten carbide ball, flying saucer ball, polishing media ball,ceramic ball,Aluminum ball and other kinds of material ball with over 20 years ,our factory have good reputation from our customers and government,so our factory passed ISO9001:2015 and our products got SGS,RHOS Certificates .

Welcome to visit us and send inquiry to us!