21mm ISO9001: 2015 Registed Factory Supply Stainless Steel Ball

  Product Description NameMaterialDia. Range (mm)GradeStainless Steel BallAISI302/304/304L/316/316L2.381 - 12.7G40 - G100013.494 - 35G200 - G1000AISI420/420C/440/440C/4302.381-15.875G10 - 100016 - 44.45G16 - G1000Applications:                For 300 series stanless steel balls, they are used in Trigger sprayers,Bearings,Dispenser valves,Body jewelry lotion pumps, and so on.                For 400 series stainless steel balls, they are most used in Bearing applications,Valve, Locking mechanisms,Fasteners,and so on. Chermical Composition:   AISINumberC%Si%Mn%Cr%Ni%Mo%P%S%                                                     property AISI 3040.07MAX1.00MAX2.00MAX17.0~19.08.0~10.5 0.045MAX0.03MAXSlightly magnetic,flat surface HRC 25min. AISI 3160.07MAX1.00MAX2.00MAX16.5~18.510.5~13.52.00~2.500.045MAX0.03MAXBetter corrosion resistance than SS304 specially against Sulfuricacid and ink/bleach/nitricAISI 4200.07~0.251.00MAX1.00MAX12.0~14.0  0.045MAX0.03MAXMagnetic,martensite steel.flat surface HRC 50min,better corrosion resistantAISI 4300.08MAX1.00MAX1.00MAX15.5~17.5  0.045MAX0.03MAXFerritic stainless steel,better corrosion resistant than 3series at higher temperatureAISI 4400.95~1.201.00MAX1.00MAX16.0~18.0  0.045MAX0.02MAXMartensite,fair corrosion to water,alcohol,oil and food product.Hardness: HRC25-39 ( without demagnetization treatment)                 special hardness can be made according to the customer's requirement.Ball Surface:Bright, Zero DefectCertification:ISO 9001:2015Safe:RoHS SGSExport Markets:GlobalPackage:  Normal package or customize as per the customer's requirement. Below is the nomal package ways.                Step 1: Weighing stainless steel balls. Usually the weight is about 10kg.                Step 2: Sealed plastic bags                Step 3: Put sealed plastic bags into small boxes.                Step 4: Each box has the label, including material, Lot No. size, quantity, grade, date......                Step 5: Each box directly put into plywood case.ServiceWe would like to offer you services as:- Instant improvement and design of products- Quick response to the prices- Complete inspection report- Traceable- Perfect logistic Company ProfileQingdao Fuqin Imp. & Exp. Co., Ltd. is a manufacturing and trade combo company with 20 years of experience in steel balls. Our steel ball plant was founded in 1998 and has already received an ISO9001:2015 certificate. We also can supply carbon steel balls, chrome steel balls, plastic balls, ceramic balls, and rollers according to our customer's requirements. So far, we have exported to many countries such as the USA, UK, Italy, Germany, Russia, Brazil, France, Peru, South Africa, etc. If you have any needs, please feel free to contact us.  /* March 10, 2023 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(",").forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1