Steel Balls, Stainless/Carbon/Chrome, 0.4-55mm, G16-G500, AISI 304-316, AISI 420-440

Model Number: 2.5mm G100 Brand Name: SAILINGBALL Key Specifications/Special Features: Applications: valve, aerosol and finger pump, bearings and electronic componentsDensity: 7.94g/cmGrade: 5-millingSize: 1.0mm-1" Stainless steel ballMaterial available AISI 304-AISI 316 AISI 420-AISI 440 Chemical composition AISI number C% Si% Mn% Cr% Ni% Mo% P% S% Property AISI 304 0.07 max 1.00 max 2.00 max 17.0-19.0 8.0-10.5 0.045 max 0.03 max slightly magnetic, flat surface HRC 25min.
better corrosion resistance than 4 series stainless steel AISI 316 0.07 max 1.00 max 2.00 max 16.5-18.5 10.5-13.5 2.00-2.50 0.045 max 0.03 max slightly magnetic, flat surface HRC 25min.
better corrosion resistance than SS304 specially against sulfuric scid and ink/bleach/nitric acid AISI 420 0.07-0.25 1.00 max 1.00 max 12.0-14.0 0.045Max 0.03 max magnetic martensite steel.flat surface HRC 50min,better corrosion resistant than SS440 AISI 430 0.08 max 1.00 max 1.00 max 15.5-17.5 0.045 max 0.03 max ferritic stainless steel, better corrosion resistant than 3series at higher temperature, flat surface HRB 85min AISI 440 0.95-1.20 1.00 max 1.00 max 16.0-18.0 0.045 max 0.02 max for diameter under 1/8", hardness HV 660-780.Above 1/8", HRC 58min *Austenitic steel (AISI 304/316) can be demagnetized by solution heat treatment