China Stainless Bearing 25mm 20mm Big AISI 420c Steel Ball, Find details about China Ceramic Ball, Stainless Steel Ball from Stainless Bearing 25mm 20mm Big AISI 420c Steel Ball
Material | ZrO2 |
Density | 6.00g/ cm 3 |
Color | White |
Grade | G5, G10 |
Material | C% | Si% | Mn% | Cr% | Cu% |
52100 | 0.98~1.10 | 0.15~0.35 | 0.25~0.45 | 1.30~1.60 | |
GCr15 | 0.95~1.05 | 0.15~0.35 | 0.25~0.45 | 1.40~1.65 | 0.25 |
GCr15 SiMn | 0.95~1.05 | 0.45~0.75 | 0.95~1.25 | 1.40~1.65 | 0.25 |
100Cr6 | 0.93~1.05 | 0.15~0.35 | 0.25~0.45 | 1.35~1.60 | |
SUJ2 | 0.95 or 1.10 | 0.15 or 0.35 | 0.50 max | 1.30~1.60 |
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. | |
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 | Better corrosion resistance than SS304 specially against Sulfuric acid and ink/bleach/nitric |
AISI 420 | 0.07~ 0.25 | 1.00 MAX | 1.00 MAX | 12.0~ 14.0 | 0.045 MAX | 0.03 MAX | Magnetic,martensite steel. flat surface HRC 50min, better corrosion resistant | ||
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 | ||
AISI 440 | 0.95~ 1.20 | 1.00 MAX | 1.00 MAX | 16.0~ 18.0 | 0.045 MAX | 0.02 MAX | Martensite,fair corrosion to water,alcohol,oil and food product. |
Item | POM | PA66 | PP | Delrin AF |
Material | Polyacetal | Nylon 66 | Polypropylene | 20% Teflon+80% Delrin |
Density(g/cc) | 1.42 | 1.14 | 0.91 | 1.50 |
Hardness Rockwell R scale | 120 | 110 | 90 | 115 |
Wear resistant (kgf/cm2) | 0.37 | 0.18 | 385~560 | 0.19 |
Heat Resistance (C) | 160~170 | 180~230 | 120 | 340 |