Nitriding Steels
Home – Nitriding Steels
Our Stocks are indicated in the tables below. Standard sizes not in our stocks can be requested
EN-41 B STEELS
Nitriding steel with AL
Approximate Other Equivalents
Is : 40Cr7A110Mo5 VISL : M – ACE
DIN : 34CrA16/34CrA1Mo5, 34CrA1N17 & 41CrA1M
APPLICATION
Used in Components requiring maximum Surface hardness of a Nitrided Case combined with a Fairly High core stretngth. Parts with Small Rulling sections, Small Bolts, Needle Beds, parts with thin webs and fine Grooves, Gauges & Precision Measuring Tools Super heated steam valves plastic machines barells.
Our Colour Code: BLACK/RED with WHITE stripes
LIST OF STANDARD SIZES
- Round: Ø 20mm – Ø 300mm
OUR STOCKS
- Round: Ø 20mm – Ø 180mm
| QUALITY | C | SI | MN | CR | Ni | Mo | P & S | A1 |
|---|---|---|---|---|---|---|---|---|
| EN – 41B | 0.35 | 0.1 | 0.4 | 1.5 | 0.5 | 0.1 | 0.055 | 0.9 |
| EN – 41B | 0.45 | 0.45 | 0.7 | 1.8 | MAX | 0.25 | MAX | 1.3 |
SPECIFIC HEAT TREATMENT
| QUALITY | EN – 41 B |
|---|---|
| Forging Temperature | 1050 to 850ºC |
| Annealing Temperature | 700 to 720ºC (Soft Annealing) |
| Annealed Hardness BHN Max | 234 BHN |
| Hardening Temperature | 870 to 900ºC (Water) |
| Quenching Media | Water |
| Obtainable Hardness R.C. | —- |
| Working Hardness HRC. | —- |
| Tempering Temperature | 580 to 650ºC |
| Mormalising Temperature | 900 to 930ºC |
