722M24T / EN 40B
722M24T
EN 40B
General
EN40B IS A CHROMIUM-MOLYBDENUM ALLOY STEEL KNOWN FOR ITS EXCELLENT SUITABILITY FOR NITRIDING, WHICH SIGNIFICANTLY ENHANCES WEAR RESISTANCE WITH MINIMAL DISTORTION. SUPPLIED IN THE HARDENED AND TEMPERED ‘T’ CONDITION, EN40B OFFERS GOOD TOUGHNESS, DUCTILITY, AND SHOCK RESISTANCE. IT IS WIDELY USED IN APPLICATIONS WHERE A HARD, WEAR-RESISTANT SURFACE IS NEEDED ALONGSIDE A STRONG AND STABLE CORE.
Uses
DRILLS, GUIDES, SHAFTS, GEAR WHEELS, BOLTS & FIXINGS
Heat Treatment & Condition
COMMERCIALY AVAILABLE IN AS ROLLED,ANNEALED AND HARDENED & TEMPERED CONDITION
Chemical Analysis
C
·
0.20/0.30
Si
·
0.10/0.35
Mn
·
0.40/0.65
Mo
·
0.40/0.70
Ni
·
3.00/3.75
S
·
0.05 MAX
P
·
0.05 MAX
| C | Si | Mn | Mo | Ni | S | P |
|---|---|---|---|---|---|---|
| 0.20/0.30 | 0.10/0.35 | 0.40/0.65 | 0.40/0.70 | 3.00/3.75 | 0.05 MAX | 0.05 MAX |