080M40 / EN8
080M40
EN8
General
EN8 IS A MEDIUM CARBON STEEL OFFERING HIGHER STRENGTH THAN MILD STEEL AT A LOWER COST THAN ALLOYS. IT HAS GOOD TENSILE STRENGTH, IS EASILY MACHINABLE, AND CAN BE FLAME OR INDUCTION HARDENED. OFTEN SUPPLIED UNTREATED OR NORMALISED, EN8 OFFERS GOOD WEAR RESISTANCE BUT LIMITED WELDABILITY.
Uses
SUITABLE FOR SUITABLE FOR PINS, SHAFTS, AXLES & STUDS ETC.
Heat Treatment & Condition
COMMERCIALY AVAILABLE AS ROLLED AND NORMALISED CONDITION
Chemical Analysis
C
·
0.36/0.44
SI
·
0.10/0.40
MN
·
0.60/1.00
S
·
0.050 MAX
P
·
0.050 MAX
| C | SI | MN | S | P |
|---|---|---|---|---|
| 0.36/0.44 | 0.10/0.40 | 0.60/1.00 | 0.050 MAX | 0.050 MAX |
Typical Mechanical Properties (EXAMPLE ONLY)
TEN. STRENTH
600 N/MM2
YIELD STRESS
300 N/MM2
ELONG
24.4%
HARDNESS
| TEN. STRENTH | YIELD STRESS | ELONG | HARDNESS |
|---|---|---|---|
| 600 N/MM2 | 300 N/MM2 | 24.4% |