201 Stainless Steel Square Bar Specification
| Standards | Designation |
|---|---|
| AISI | A204 |
| Length | Diameter |
|---|---|
| 1m-8m | 1mm-400 mm |
201 Stainless Steel Square Bar Chemical Composition
| AISITYPE | Chemical Composition ( % ) | Common Characteristics &Applications | |||||||
| C | Mn | Si | Cr | Ni | Mo | Other | |||
| 201 | 0.15 | 5.5-7.5 | 1.00 | 16.00-18.00 | 3.50-5.50 | – | N:0.25 max |
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201 Stainless Steel Square Bar Physical Properties
| Density (lb./ in^2) @ RT | 0.283 | |
| Modulus of Elasticity in Tension (psi x 10^6) | 28.6 | |
| Specific Heat (BTU/o F/lb.) | 32 to 212 oF | 0.12 |
| Thermal Conductivity (BTU/hr/ft^2/ft) | 212oF | 9.4 |
| Mean Coefficient of Thermal Expansion (in. x 10^-6 per o F) | 32 to 212oF | 8.7 |
| 32 to 600oF | 9.7 | |
| 32 to 1,000oF | 10.2 | |
| Electrical Resistivity (micro ohms-cm) | at 70oF | 69 |
| Melting Point Range (oF) | 2550/2650 | |
| Oxidation Resistance-Continuous Service(oF) | 1550 | |
| Oxidation Resistance-Intermittent Service(oF) | 1500 |
201 Stainless Steel Square Bar Mechanical Properties
| Type | Yield Strength 0.2% offset (KSI) | Tensile Strength (KSI) | % Elongation(2″ Gauge length) | Hardness Rockwell |
| 201 Ann | 38 min. | 75 min. | 40% min. | HRB 95 max. |
| 201 ¼ Hard | 75 min. | 125 min. | 25.0 min. | 25 – 32 HRC (typical) |
| 201 ½ Hard | 110 min. | 150 min. | 18.0 min. | 32-37 HRC (typical) |
| 201 ¾ Hard | 135 min. | 175 min. | 12.0 min. | 37 – 41 HRC (typical) |
| 201 Full Hard | 145 min. | 185 min. | 9.0 min. | 41 – 46 HRC (typical) |
