Type301 stainless steel is an austenitic stainless steel with a nominal composition of 17 percent chromium and 7 percent nickel, which provides good strength and ductility when cold worked. It also has excellent corrosion resistance properties. Type301 stainless steel is well suited to welding, forming, and drawing. This high strength grade of steel is available in several conditions or tempers.
| % | Cr | Ni | C | Si | Mn | P | S | N | |
| 301 | Min: | 16 | 6 | - | - | - | - | - | - |
| Max: | 18 | 8 | 0.15 | 1.00 | 2.0 | 0.045 | 0.030 | 0.10 |
| 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 |
| Denstiy lbm/in3 | Coefficient of Thermal Expansion (min/in)-°F | Electrical Resistivity mW-in | Thermal Conductivity BTU/hr-ft-°F | Melting Range |
| 0.29 | 9.2( at 68 – 212°F ); 10.4( at 68 – 932°F ); 10.9( at 68 – 1450°F ） | 28.3( at 68°F ); 30.7( at 212°F ); 33.8( at 392°F ); 39.4( at 752°F ); 43.7( at 1112°F ); 47.6( at 1472°F ) | 9.4( at 68 – 212°F) | 2550-2590°F |
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