USA YB A 213/A 213M (2011) , A 240/A 240M (2012) , A 249/A 249M (2010) , A 276 (2010) , A 473 (2009) , A 666 (2010) , A 959 (2011) , SAE J 405 (1998) , 201 Specialsteel Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater, and Heat-Exchanger Tubes and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
| Category | Class | Grade | Type | Standard | Country | Application | 
|---|---|---|---|---|---|---|
| Steel Grades | Specialsteel | 201 | Austenite | YB | USA | Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater, and Heat-Exchanger Tubes | 
| C | Si | Mn | P | S | Cr | Ni | N | 
|---|---|---|---|---|---|---|---|
| ≤0.15 | ≤1.00 | 5.05 -7.50 | ≤0.06 | ≤0.03 | 16.0 -18.0 | 3.50 -5.50 | ≤0.25 | 
| Yield Rp0.2 (MPa) | Tensile Rm (MPa) | Impact KV/Ku (J) | Elongation A (%) | Reduction in cross section on fracture Z (%) | As-Heat-Treated Condition | Brinell hardness (HBW) | 
|---|---|---|---|---|---|---|
| 932 (≥) | 924 (≥) | 11 | 11 | 33 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 331 | 
| Temperature (°C) | Modulus of elasticity (GPa) | Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and | Thermal conductivity (W/m·°C) | Specific thermal capacity (J/kg·°C) | Specific electrical resistivity (Ω mm²/m) | Density (kg/dm³) | Poisson’s coefficient, ν | 
|---|---|---|---|---|---|---|---|
| 22 | - | - | 0.11 | - | |||
| 142 | 561 | - | 34.3 | 142 | - | ||
| 449 | - | 22 | 14.2 | 321 | 222 | 
Heat treated : 1771°C - 1137°C
| Grade | Standard | Country | Application | 
|---|---|---|---|
| AISI 201 | |||
| 1.2201 | |||
| 1.1201 | |||
| 1.1201 | |||
| 1.2201 | |||
| 201 | |||
| S20100 | |||
| 201L | |||
| S20103 | |||
| 201LN | |||
| S20153 | |||
| S20161 | |||
| S20162 | |||
| S42010 | |||
| Nickel 201 | |||
| T201 L | |||
| T201 LN | |||
| S20100 | |||
| 201 | |||
| S20103 | 
| A 213/A 213M (2011) | Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater, and Heat-Exchanger Tubes | A-213-A-213M--(2011)-.pdf | 
| A 240/A 240M (2012) | Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications | A-240-A-240M--(2012)-.pdf | 
| A 249/A 249M (2010) | Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes | A-249-A-249M--(2010)-.pdf | 
| A 276 (2010) | Stainless Steel Bars and Shapes | A-276--(2010)-.pdf | 
| A 473 (2009) | Stainless Steel Forgings | A-473--(2009)--.pdf | 
| A 666 (2010) | Annealed or Cold-Worked Austenitic Stainless Steel Sheet, Strip, Plate, and Flat Bar | A-666--(2010)-.pdf | 
| A 959 (2011) | Standard Guide for Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels | A-959--(2011)-.pdf | 
| SAE J 405 (1998) | Chemical compositions of SAE wrought stainless steels | SAE-J-405--(1998)-.pdf | 
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