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X12CrNiMoV12-3, 1.4938
| ITEM | Standard Number | Descriptions |
|---|---|---|
| 1 | EN 2278 | Aerospace series - Steel X12CrNiMoV12-3 (1.4933) - 900 MPa ≤ Rm ≤ 1 100 MPa - Bars - De ≤ 150 mm |
| 2 | EN 10302 | Creep resisting steels, nickel and cobalt alloys |
| 3 | EN 10088-1 | Stainless steels - Part 1: List of stainless steels |
| 4 | EN 10269 | Steels and nickel alloys for fasteners with specified elevated and/or low temperature properties |
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | 0.08 | 0.15 | ||
| Mn | 0.40 | 0.90 | ||
| Si | 0.50 | |||
| P | 0.025 | |||
| S | 0.015 | |||
| Cr | 11.00 | 12.50 | ||
| Ni | 2.00 | 3.00 | ||
| Mo | 1.50 | 2.00 | ||
| V | 0.25 | 0.40 | ||
| N | 0.02 | 0.04 |
| Tensile strength | 405～158 | σb/MPa |
| Yield Strength | 355 | σ 0.2 ≥/MPa |
| Elongation | 64 | δ5≥(％) |
| ψ | - | ψ≥(％) |
| Akv | - | Akv≥/J |
| HBS | 460～840 | - |
| HRC | 30 | - |
| Thermal expansion | 27-58 | e-6/K |
| Thermal conductivity | 39-13 | W/m.K |
| Specific heat | 450-460 | J/kg.K |
| Melting temperature | 5275-6079 | 째C |
| Density | 9943-0617 | kg/m3 |
| Resistivity | 0.50-0.60 | Ohm.mm2/m |
| Steel Grade | Specification | Processing range(mm) |
| X12CrNiMoV12-3, 1.4938 Stainless Steels | Round Bar and Hollow Bar | Φ1 to Φ2000 |
| Square and Flat Steel | Φ10 to Φ100 | |
| Plate and Sheet | 0.08-800(Thickness)*10-1500(Width)*Length | |
| Tube or Pipe | OD:Φ4-410; WT:1-35 mm; Lenght:10-12000 | |
| Coil and Strip Steel | THK:0.1mm Width:1500mm | |
| Forged | Ring/Cylindrical/Disk |