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SEW 1.3817 Details
SEW 1.3817 Standard Download
| Category | Type | Grade | Designations | 
|---|---|---|---|
| Grades | Stainless Steels | 1.3817 | Germany - SEW ,    SEW 390 - Non magnetizable steels. Technical delivery conditions | 
| Elements | Min.(≥) | Max.(≤) | Similar | Remarks | 
|---|---|---|---|---|
| C | 0.40 | 0.55 | ||
| Si | - | 0.80 | ||
| Mn | 17.00 | 19.00 | ||
| P | - | 0.100 | ||
| S | - | 0.030 | ||
| Cr | 3.00 | 5.00 | 
| 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) | 
|---|---|---|---|---|---|---|
| 483 (≥) | 229 (≥) | 32 | 22 | 44 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 123 | 
| 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 | 
|---|---|---|---|---|---|---|---|
| 792 (≥) | 514 (≥) | 12 | 23 | 22 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 142 | |
| Temp. °C/°F | Creep strain limit (10000h) (Rp1,0) N/mm2 | Creep rupture strength (10000h) (Rp1,0) N/mm2 | |||||
| 887 | 311 | 517 | 
| 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 | 
|---|---|---|---|
| X40MnCr18 | SEW | Germany | Non magnetizable steels. Technical delivery conditions | 
| 1.3817 | SEW | Germany | Non magnetizable steels. Technical delivery conditions | 

