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AFNOR Z17CNS20-12 Details
Iron and steel. Austenitic and austenic-ferritic stainless steels plates for boilers and pressure vessels
AFNOR Z17CNS20-12 Standard Download
Z17CNS20-12 Datasheet
AFNOR Z17CNS20-12| Category | Type | Grade | Designations |
|---|---|---|---|
| Grades | Stainless Steels | Z17CNS20-12 | France - AFNOR , NF A 35-573 - Stainless steels for general purposes. Plates, wide strips and strips NF A 35-578 - Iron and steel. Stainless steel for high temperature application NF A 36-209 - Iron and steel. Austenitic and austenic-ferritic stainless steels plates for boilers and pressure vessels |
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | - | 0.17 | ||
| Si | 1.50 | 2.50 | ||
| Mn | - | 2.00 | ||
| P | - | 0.040 | ||
| S | - | 0.015 | ||
| Cr | 19.00 | 21.50 | ||
| Mo | - | - | ||
| Ni | 11.00 | 13.00 |
| 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) |
|---|---|---|---|---|---|---|
| 355 (≥) | 488 (≥) | 11 | 24 | 33 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 423 |
| 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 |
|---|---|---|---|---|---|---|---|
| 132 (≥) | 735 (≥) | 11 | 32 | 11 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 131 | |
| Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
| 153 | 312 | 966 |
| 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 |
|---|---|---|---|
| Z17CNS20-12 | AFNOR | France | Iron and steel. Austenitic and austenic-ferritic stainless steels plates for boilers and pressure vessels |