SS Strip / 201 Stainless Steel Coils Banding BA Finish 10mm Width
201 Stainless Steel Strip 0.7*20mm SUS201 Stainless Steel Banding BA Finish 10mm Width
STAINLESS STEEL STRAPPING
| Premium quality strapping for extreme indoor and outdoor conditions. |
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Type 201 (UNS S20100)
Description
Type 201 is an austenitic chromium-nickel-manganese stainless steel that was developed in the 1950’s due to worldwide nickel shortages. In the Type 201 composition, manganese and nitrogen are partially substituted for nickel. T201 addresses the volatility of nickel prices while offering comparable corrosion resistance and formability to T301 and T304 and has become a viable lower cost alternative to these austenitic grades. Type 201 can be used in many applications because of its wide range of mechanical properties in the annealed and cold worked condition. Type 201 is non-magnetic in the annealed condition but becomes magnetic as a result of cold working.
Chemical Composition (wt%) limits as specified in ASTM A240 and ASME SA240*
| Element | 201 |
| Carbon | 0.15 |
| Chromium | 16.0-18.0 |
| Nickel | 3.5-5.5 |
| Manganese | 5.50-7.50 |
| Silicon | 1.00 |
| Nitrogen | 0.25 |
| Phosphorus | 0.060 |
| Sulfur | 0.030 |
Mechanical property requirements for annealed product as specified in ASTM A240 and ASME SA240
| Property | 201 |
| Yield Strength, min. (ksi) | 45 |
| Tensile Strength, min. (ksi) | 95 |
| Elongation, min. (%) | 40 |
| Hardness, max. (Rb) | 100 |
Mechanical property requirements for cold worked flat rolled products as specified in ASTM A666
| Condition | Yield Strength (ksi) min. |
Tensile Strength (ksi) min. |
Elongation % min. in 2 in. | |
| <0.015 in. | ≥0.015 in. | |||
| ¼ Hard | 75 | 125 | 25 | 25 |
| ½ Hard | 110 | 150 | 15 | 18 |
| ¾ Hard | 135 | 175 | 10 | 12 |
| Full Hard | 140 | 185 | 8 | 9 |
Physical properties for Type 201 stainless steel
| Property | 201 |
| Density, lb/in3 | 0.283 |
| Modulus of Elasticity, psi | 28.6 x 106 |
| Coefficient of Thermal Expansion, 68-212˚F, /˚F | 9.2 x 10-6 |
| Thermal Conductivity, Btu/ft hr ˚F | 9.4 |
| Specific Heat, Btu/lb ˚F | 0.12 |
| Electrical Resistivity, Microohm-in | 27.0 |
Typical standards for Type 201 stainless steel
| 201 |
| ASTM A240 |
| ASTM A666 |
| ASME SA240 |
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