Baijia.net specializes in bearing steel ball testing、 and our platform's established testing institutions cover the entire testing industry. Online one-on-one service. The test report is delivered on time and with good quality、 and you can enjoy the report delivery service. On the Baijian platform、 customers can complete the inspection process online from ordering services、 submitting commission information、 and finally paying the inspection fee、 without leaving the house. Next、 I will briefly introduce the testing standards and process of BAIJIAN for bearing steel ball testing p>
Steel ball testing scope
Bearing steel balls、 cast steel balls、 stainless steel balls、 nanosteel balls、 ballpoint pen steel balls
Steel ball testing items
Hardness testing、 appearance testing、 wear resistance testing、 tolerance testing、 roundness testing、 quality testing、 composition testing、 material testing、 metal grade identification、 chromium content testing、 impact testing、 non-destructive testing、 Rockwell hardness testing、 performance testing、 etc p>
Steel Ball Testing Standards
GB/T 308.1-2013 Rolling Bearing Balls Part 1: Steel Balls
BS EN 2009-1992 Bearings. Rolling of Aircraft Frames. Rigid、 Single Row Steel Ball Bearings with Diameters 8 and 9 Series.
Dimensions and loadsBS EN 2588-2006 bearings. Dimensions and loads of corrosion-resistant steel spherical sliding bearings with assembly grooves
DIN 5401-2002 rolling bearings. Rolling bearings and general industrial steel balls
GB/T 23541-2017 bonded grinding tools. Grinding steel ball grinding wheels
HB 4422-1990 steel ball retaining rings
JB/T 5074-2007 low Medium carbon steel spheroidizing grade
JB/T 5301-2007 Rolling bearing carbon steel balls
JIS B1501-2009 ball bearing steel balls
KS B1567-1987 superhard steel balls
KS B2001-2001 ball bearing steel balls
KS R8013-1977 bicycle carbon steel balls
QB/T 1894-1993 bicycle steel balls
YB/T 091-2005 Forged (rolled) steel balls
Function of testing report:
1. Project bidding: Issue authoritative third-party CMA/CNAS qualification report
2. Online e-commerce platform entry: Quality inspection report recognized by major e-commerce platforms 3. Used as a sales report: issuing legally effective testing reports to make consumers more confident 4. Papers and research: Provide professional personalized testing needs 5. Judicial services: providing scientific、 fair、 and accurate testing data 6. Industrial problem diagnosis: Verify the troubleshooting and correction of industrial production problemsinspection and testing process:
1. Telephone communication and confirmation of requirements
2. Recommend solutions and confirm quotations 3. Mail samples and arrange testing 4. Progress tracking and result feedback 5. Provide reports and after-sales service 6. If urgent or priority processing is requiredTesting and testing characteristics:
1. The testing industry is fully covered、 meeting different testing needs
2. Fully cover the laboratory and allocate localized testing nearby3. Engineers provide one-on-one services to make testing more accurate
4. Free initial testing、 with no testing fees charged
5. Self service order delivery for free on-site sampling
6. Short cycle、 low cost、 and attentive service 7. Possess authoritative qualifications such as CMA、 CNAS、 CAL、 etc 8. The testing report is authoritative and effective、 and is generally used in China