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AFNOR Z7CN18-09 Details
AFNOR Z7CN18-09 Standard Download
Category | Type | Grade | Designations |
---|---|---|---|
Grades | Stainless Steels | Z7CN18-09 | France - AFNOR , NF A 35-573 - Stainless steels for general purposes. Plates, wide strips and strips NF A 35-574 - Iron and steel. Stainless steel for general purposes. Semi- finished products, bars and wire rod NF A 36-209 - Iron and steel. Austenitic and austenic-ferritic stainless steels plates for boilers and pressure vessels NF A 49-244 - Steel tubes - Welded austenitic stainless and austenitic ferritic steel rolled tubes for pressure service - Dimensions, technical conditions for delivery |
Elements | Min.(≥) | Max.(≤) | Similar | Remarks |
---|---|---|---|---|
C | - | 0.070 | ||
Si | - | 0.75 | ||
Mn | - | 2.00 | ||
P | - | 0.040 | ||
S | - | 0.015 | ||
Cr | 17.00 | 19.00 | ||
Mo | - | - | ||
Ni | 8.00 | 10.00 |
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) |
---|---|---|---|---|---|---|
689 (≥) | 324 (≥) | 12 | 24 | 44 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 421 |
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 |
---|---|---|---|---|---|---|---|
394 (≥) | 456 (≥) | 13 | 24 | 43 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 314 | |
Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
378 | 553 | 728 |
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 |
---|---|---|---|
Z7CN18-09 | AFNOR | France | Steel tubes - Welded austenitic stainless and austenitic ferritic steel rolled tubes for pressure service - Dimensions, technical conditions for delivery |