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YB 201 Details
YB 201 Standard Download
| Category | Type | Grade | Microstructure | Designations | 
|---|---|---|---|---|
| Grades | Stainless Steels | 201 | Austenite | USA - YB ,    A 213/A 213M (2011) - Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater, and Heat-Exchanger Tubes A 240/A 240M (2012) - Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications A 249/A 249M (2010) - Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes A 276 (2010) - Stainless Steel Bars and Shapes A 473 (2009) - Stainless Steel Forgings A 666 (2010) - Annealed or Cold-Worked Austenitic Stainless Steel Sheet, Strip, Plate, and Flat Bar A 959 (2011) - Standard Guide for Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels SAE J 405 (1998) - Chemical Compositions of SAE Wrought Stainless Steels | 
| Elements | Min.(≥) | Max.(≤) | Similar | Remarks | 
|---|---|---|---|---|
| C | - | 0.15 | ||
| Si | - | 1.00 | ||
| Mn | 5.05 | 7.50 | ||
| P | - | 0.06 | ||
| S | - | 0.03 | ||
| Cr | 16.0 | 18.0 | ||
| Ni | 3.50 | 5.50 | ||
| N | - | 0.25 | 
A 213/A 213M (2011) Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater, and Heat-Exchanger Tubes
| Proof strength Rp0.2 (MPa) | Tensile strength Rm (MPa) | Impact energy KV (J) | Elongation at fracture A (%) | Reduction in cross section on fracture Z (%) | As-Heat-Treated Condition | Brinell hardness (HBW) | 
|---|---|---|---|---|---|---|
| 479 (≥) | 391 (≥) | 31 | 32 | 33 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 341 | 
| Property | Density kg/dm3 | Temperature T °C/F | Specific heat J / kgK | Thermal conductivity W/mK | Electric resistance µΩ·cm | Modulus of elasticity kN/mm2 | Expansion rate | 
|---|---|---|---|---|---|---|---|
| 198 (≥) | 633 (≥) | 21 | 34 | 33 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 322 | |
| Temp. °C/°F | Creep strain limit (10000h) (Rp1,0) N/mm2 | Creep rupture strength (10000h) (Rp1,0) N/mm2 | |||||
| 683 | 799 | 226 | 
| Product type | Products | Dimension | Processes | Deliver Status | 
|---|---|---|---|---|
| Plates / Sheets | Plates / Sheets | 0.08-200mm(T)*W*L | Forging, hot rolling and cold rolling | Annealed, Solution and Aging, Q+T, ACID-WASHED, Shot Blasting | 
| Steel Bar | Round Bar, Flat Bar, Square Bar | Φ8-1200mm*L | Forging, hot rolling and cold rolling, Cast | Black, Rough Turning, Shot Blasting, | 
| Coil / Strip | Steel Coil /Steel Strip | 0.03-16.0x1200mm | Cold-Rolled & Hot-Rolled | Annealed, Solution and Aging, Q+T, ACID-WASHED, Shot Blasting | 
| Pipes / Tubes | Seamless Pipes/Tubes, Welded Pipes/Tubes | OD:6-219mm x WT:0.5-20.0mm | Hot extrusion, Cold Drawn, Welded | Annealed, Solution and Aging, Q+T, ACID-WASHED | 
| Grade | Standard | Country | Application | 
|---|---|---|---|
| 201 | YB | USA | Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater, and Heat-Exchanger Tubes  | 
| SA 201 | SAE | USA | Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater, and Heat-Exchanger Tubes  | 
| S20100 | AISI | USA | Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater, and Heat-Exchanger Tubes  | 
| 201L | YB | USA | Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater, and Heat-Exchanger Tubes  | 
| S20103 | AISI | USA | Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater, and Heat-Exchanger Tubes  | 
| GH2018 | GB | China | Classification and designation for superalloys and high temperature intermetallic materials | 
| 201 | YB | USA | Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater, and Heat-Exchanger Tubes | 
| ASTM 201 | SAE | USA | Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater, and Heat-Exchanger Tubes | 
| T201LN | YB | USA | Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater, and Heat-Exchanger Tubes | 
| S20153 | AISI | USA | Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater, and Heat-Exchanger Tubes | 
| S20161 | AISI | USA | Austenitic Chromium Manganese Nickel Silicon Stainless Steel  | 
| S42201 | AISI | USA | Martensitic Chromium Superstrength Steel | 
| A 240 S20161 | SAE | USA | Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications | 
| A 276 S20161 | SAE | USA | Stainless Steel Bars and Shapes | 
| A 314 S20161 | SAE | USA | Stainless Steel Billets and Bars for Forging | 
| A 479 S20161 | SAE | USA | Stainless Steel Bars and Shapes for Use in Boilers and Other Pressure Vessels | 
| A 580 S20161 | SAE | USA | Stainless Steel Wire | 
| A 959 S20161 | SAE | USA | Standard Guide for Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels | 
| F 899 S20161 | SAE | USA | Standard Specification for Wrought Stainless Steels for Surgical Instruments | 
| S20161 | AISI | USA | Austenitic Chromium Manganese Nickel Silicon Stainless Steel | 
