301 is an austenitic stainless steel, with a tensile strength of up to 1800 Mpa, has good resistance to atmospheric corrosion, cold deformation through the processing of steel strength, hardness, and to retain adequate plastic, toughness, combined with the steel in the atmospheric conditions with good resistance to rust,
301 stainless steel Chemical composition:
Cr 16-18%
Ni 6-8%
C 0.15% max
Mn 2% max
Si .75% max
P 0.40% max
S .030% max
301 stainless steel Mechanical properties:
| Grade/Temper | Tensile Strength ksi (min.) | Yield Strength 0.2% ksi (min.) | Elongation -% in 50 mm (min.) |
|
301 1/4 |
125 |
75 |
25 |
|
301 1/2 |
150 |
110 |
18 |
|
301 Full Hard |
185 |
140 |
9 |
301 stainless steel Cold Working:
hardens at high rate, creating a very high strength from cold rolling and from roll forming.
more difficult to work than other austenitic stainless steels, due to its high work hardening rate.
strain-hardened austenitite steel undergoes partial transformation into martensitite steel during this process.
severe cold deformation can still occur, due to residual ductility.
Grade 301 becomes strongly magnetic when cold rolled
301 stainless steel Welding:
must be annealed for maximum corrosion resistance
material will lose temper in the heat affected weld zone.
Welding and post weld annealing will both remove high strength induced by prior cold rolling.
Spot welding is commonly used to assemble cold rolled 301 components.
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