1.4037, X65Cr13
1.4037 is characterised by its high hardenability in conjunction with good corrosion resistance in moderately corrosive environments. Due to its higher carbon content, 1.4037 is more hardenable than 1.4034. It is used in the quenched and tempered condition and due to its high hardness, it is ideally suited for the production of cutting tools of all sorts and surgical implements.acc. to EN 10088-3, DIN 17440, SEW 400
Chemical Composition
| Grade | Chemical composition WT % | |||||
|---|---|---|---|---|---|---|
| C | Si | Mn | P | S | Cr | |
| 1.4037, X65Cr13 | 0.58-0.70 | 1.00 | 1.00 | 0.040 | 0.015 | 12.50-14.50 |
Mechanical Properties
1.4037, X65Cr13 Mechanical properties acc. to SEW 400
- Tensile strength Rm MPa: Min 840
- Hradness: 265 HB
Physical Properties
- Density (kg/dm3) 7.70
- Electrical resistivity at 20 °C (Ω mm2/m) 0.55
- Magnetizability ok
- Thermal conductivity at 20 °C (W/m K) 30
- Specific heat capacity at 20 °C (J/kg K) 460
- thermal expansion (K-1)
- 20 – 100°C: 10.5 x 10-6
- 20 – 200°C: 11.0 x 10-6
- 20 – 300°C: 11.5 x 10-6
- 20 – 400°C: 12.0 x 10-6
Heat Treatment
1.4037 can be soft annealed by holding at a temperature in the range 750 to 850°C
Thermal Properties
Welding Properties
Although 1.4037 is generally not welded, it can be soldered in some instances.
Machining Properties
The machinability of this grade of stainless steel is directly related to its hardness. 1.4037 machines similar to carbon steels of the same hardness. Although it must be realised that the machining parameters will vary depending on the structure/hardness of the steel.
Similar or Equivalents Steel Grade
1.4037, X65Cr13 Special steels stock list
| Grade | Shape | Dimension mm | Qty. kg |
|---|---|---|---|
| 1.4037, X65Cr13 | Round | Φ60 | 25000 |
| 1.4037, X65Cr13 | Flat | 16x36xL | 5687 |
| 1.4037, X65Cr13 | Square | 37x37x2000 | 600 |