GB: 20Cr13
JIS: SUS420
ASTM: 420
UNS: S42000
EN: 1.4021
GOST:20X13
|
C |
Si |
Mn |
P |
S |
Cr |
Ni |
Mo |
Min |
0.15 |
– |
– |
– |
– |
12 |
– |
– |
Max |
– |
1.0 |
1.0 |
0.04 |
0.03 |
14 |
0.75 |
0.5 |
420 is a high carbon stainless steel with the following properties: 1. High hardness – itself has a high hardness, can be heat-treated to obtain higher hardness, making it in the tool manufacturing industry, industrial parts and other areas of widespread use 2. good corrosion resistance – able to resist the erosion of some chemicals, but with other stainless steel than, relatively low corrosion resistance 3. Easy processing – 420 has good plasticity and machinability before heat treatment, easy forging, cold drawing, cutting and other processing operations Due to the high carbon content and low chromium content, 420 in some extreme environments, such as high temperatures, strong corrosive environments, corrosion problems may occur, need to be evaluated according to the specific application scenarios and options
A.Cuttery
B.Knife Blades
C.Surgical Industruments
D.Needle Valves
E.Shear Blades
F.Hand Tools
G.Etc
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