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ISO X7CrNiNb18-10 Details
ISO X7CrNiNb18-10 Standard Download
X7CrNiNb18-10 Application:Stainless steels - Chemical composition
| Category | Type | Grade | Microstructure | Designations |
|---|---|---|---|---|
| Grades | Stainless Steels | X7CrNiNb18-10 | Austenite | International - ISO , ISO 15510 (2010) - Stainless steels -- Chemical composition ISO 4955 (2005) - Heat-resistant steels ISO 9327-5 - Steel forgings and rolled or forged bars for pressure purposes - Technical delivery conditions - Part 5: Stainless steels ISO 9328-5 - Steel plates and strips for pressure purposes - Technical delivery conditions - Part 5: Weldable fine grain steels, thermomechanically rolled ISO/TS 15510 (2003) - Stainless steels - Chemical composition |
Chemical composition(wt.%) of X7CrNiNb18-10 grade: ISO 15510 (2010)
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | 0.04 | 0.08 | ||
| Si | - | 1.00 | ||
| Mn | - | 2.00 | ||
| P | - | 0.045 | ||
| S | - | 0.030 | ||
| Cr | 17.00 | 19.00 | ||
| Ni | 9.00 | 12.00 | ||
| Mo | - | - | ||
| N | - | - | ||
| Nb | 10×C％ | 1.00 |
Mechanical properties of grade X7CrNiNb18-10 ISO 15510 (2010)
| 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) |
|---|---|---|---|---|---|---|
| 523 (≥) | 263 (≥) | 33 | 32 | 13 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 123 |
Physical properties of grade X7CrNiNb18-10 ISO 15510 (2010)
| 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 |
|---|---|---|---|---|---|---|---|
| 292 (≥) | 265 (≥) | 11 | 11 | 14 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 432 | |
| Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
| 183 | 611 | 779 |
X7CrNiNb18-10 - Form of Supply
| 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 |
Cross Reference Table(Equivalent Grade)
| Grade | Standard | Country | Application |
|---|---|---|---|
| X7CrNiNb18-10 | ISO | International | Stainless steels - Chemical composition |
| X7CrNiNb18-10 | ISO | International | Stainless steels - Chemical composition |
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